{"model":"alewifeJuv","submodel":"Juvenile life stage model","species":"Alosa pseudoharengus","geography":"Range from Newfoundland to South Carolina. ","ecosystem":"Estuary, Large River","documentation":"Pardue, G.B. 1983. Habitat Suitability index models: alewife and blueback herring. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.58. 22pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/c5eeab5d-aef5-484f-9959-77f29a104846","SIV3":"avg.zooplankton.per.liter.SIV","SIV4":"sal.spring.summer.SIV","SIV5":"wtr.temp.surface.SIV","CF":"SIV3","CWQ":"(SIV4*SIV5)^(1/2)","Eqtn":"min(CF, CWQ)"} {"model":"alewifeJuvAndSAEL","submodel":"Juvenile and spawning adult, egg, and larval (SAEL) models","species":"Alosa pseudoharengus","geography":"Range from Newfoundland to South Carolina. ","ecosystem":"Estuary, Large River","documentation":"Pardue, G.B. 1983. Habitat Suitability index models: alewife and blueback herring. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.58. 22pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/c5eeab5d-aef5-484f-9959-77f29a104846","SIV1":"subs.type.SIV","SIV2":"avg.daily.wtr.temp.spwn.SIV","SIV3":"avg.zooplankton.per.liter.SIV","SIV4":"avg.sal.spring.summer.SIV","SIV5":"avg.wtr.temp.surface.SIV","CF":"SIV3","CC":"SIV1","Eqtn":"min(min(CC,SIV2),min(CF,((SIV4*SIV5)^(1/2))))"} {"model":"alewifeSAEL","submodel":"Spawning adult, egg, and larval (SAEL) model","species":"Alosa pseudoharengus","geography":"Range from Newfoundland to South Carolina","ecosystem":"Estuary, Large River","documentation":"Pardue, G.B. 1983. Habitat Suitability index models: alewife and blueback herring. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.58. 22pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/c5eeab5d-aef5-484f-9959-77f29a104846","SIV1":"subs.type.SIV","SIV2":"avg.daily.wtr.temp.spwn.SIV","CC":"SIV1","CWQ":"SIV2","Eqtn":"min(CC, CWQ)"} {"model":"americanalligatorNontidal","submodel":"Nontidal wetland","species":"Alligator mississippiensis","geography":"Northern Gulf of Mexico coastal marshes, principally in Louisiana and Texas.","ecosystem":"Coastal Wetland, Fresh Wetland","documentation":"Newsom, J.D., T. Joanen, and R.J. Howard. 1987. Habitat suitability index models: American alligator. U.S. Fish Wildl. Serv. Biol. Rep. 8X10.136). 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/a6ed8058-7af3-4efd-cbf2-b0b5a747fe4b","SIV1":"open.wtr.wetland.SIV","SIV2":"open.wtr.d.mt1.2m.wetland.SIV","SIV3":"interspersion.class.SIV","SIV4":"ponded.area.d.mtoe15cm.may.sept.SIV","CCB":"(SIV1*SIV2)^(1/2)","CCN":"(SIV1*SIV3*SIV4)^(1/3)","Eqtn":"(CCB*CCN)^(1/2)"} {"model":"americanalligatorTidal","submodel":"Tidal wetlands","species":"Alligator mississippiensis","geography":"Northern Gulf of Mexico coastal marshes, principally in Louisiana and Texas.","ecosystem":"Coastal Wetland, Fresh Wetland","documentation":"Newsom, J.D., T. Joanen, and R.J. Howard. 1987. Habitat suitability index models: American alligator. U.S. Fish Wildl. Serv. Biol. Rep. 8X10.136). 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/a6ed8058-7af3-4efd-cbf2-b0b5a747fe4b","SIV1":"open.wtr.wetland.SIV","SIV2":"open.wtr.d.mt1.2m.wetland.SIV","SIV3":"interspersion.class.SIV","SIV4":"ponded.area.d.mtoe15cm.may.sept.SIV","SIV5":"subs.at.avg.low.tide.may.sept.SIV","CCB":"(SIV1*SIV2)^(1/2)","CCN":"(SIV1*SIV3*((SIV4*SIV5)^(1/2)))^(1/3)","Eqtn":"(CCB*CCN)^(1/2)"} {"model":"americanblackduckWinteringEVegWetland","submodel":"Estuarine vegetated wetlands","species":"Anas rubripes","geography":"Along the Atlantic coast within the winter range. The winter range extends from the Rio Grande River on the Texas coast, northeast to Lake Michigan, east to Nova Scotia, south to Florida, and west to Texas.","documentation":"Lewis, J.C., and R.L. Garrison. 1984. Habitat suitability index models: American black duck (wintering). U.S. Fish Wildl. Serv. FWS/OBS-82/10.68. 16 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/95cd3052-de11-491f-fcce-9b567d185d75","SIV5":"creeks.ponds.impoundments.SIV","SIV6":"sub.samples.ruppia.potamogeton.SIV","SIV7":"emerg.marsh.mtoe750.snails.per.sqm.SIV","CF":"((2*SIV5)+SIV6+SIV7)/4","Eqtn":"CF"} {"model":"americanblackduckWinteringNCapeCod","submodel":"Marine and estuarine open water north of Cape Cod, Massachusetts","species":"Anas rubripes","geography":"Along the Atlantic coast within the winter range. The winter range extends from the Rio Grande River on the Texas coast, northeast to Lake Michigan, east to Nova Scotia, south to Florida, and west to Texas.","documentation":"Lewis, J.C., and R.L. Garrison. 1984. Habitat suitability index models: American black duck (wintering). U.S. Fish Wildl. Serv. FWS/OBS-82/10.68. 16 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/95cd3052-de11-491f-fcce-9b567d185d75","SIV1":"subtidal.open.wtr.ltoe1m.SIV","SIV2":"open.wtr.exposed.low.tide.SIV","SIV4":"area.flats.streambeds.banks.bars.mtoe300.clams.SIV","CF":"(((SIV1+SIV2)/2)^(2)*SIV4)^(1/3)","Eqtn":"CF"} {"model":"americanblackduckWinteringSCapeCod","submodel":"Marine and estuarine open water south of Cape Cod, Massachusetts","species":"Anas rubripes","geography":"Along the Atlantic coast within the winter range. The winter range extends from the Rio Grande River on the Texas coast, northeast to Lake Michigan, east to Nova Scotia, south to Florida, and west to Texas.","documentation":"Lewis, J.C., and R.L. Garrison. 1984. Habitat suitability index models: American black duck (wintering). U.S. Fish Wildl. Serv. FWS/OBS-82/10.68. 16 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/95cd3052-de11-491f-fcce-9b567d185d75","SIV1":"subtidal.open.wtr.ltoe1m.SIV","SIV2":"open.wtr.exposed.low.tide.SIV","SIV3":"subtidal.open.wtr.ltoe1m.rooted.aq.plants.SIV","SIV4":"area.flats.streambeds.banks.bars.mtoe300.clams.SIV","CF":"(((SIV1+SIV2)/2)^(2)*((SIV3+SIV4)/2))^(1/3)","Eqtn":"CF"} {"model":"americancoot","submodel":"Herbaceous wetland, lacustrine, riverine cover type","species":"Fulica americana","geography":"All breeding grounds, primarily prairie marshes of the north-central United States and south-central Canada.","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1985. Habitat suitability index models: American coot. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.115). 17 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/fa582fda-b548-4531-d9d6-2af3ff730239","SIV1":"emerg.herb.veg.SIV","SIV2":"emerg.veg.vs.openwater.SIV","SIV3":"wtr.regime.SIV","CR":"((SIV1*SIV2)^(1/2))*SIV3","Eqtn":"CR"} {"model":"americaneiderBreeding","species":"Somateria mollissima dresseri ","geography":"Maine coastal islands","ecosystem":"Coastal wetlands","documentation":"Blumton, A.K., R.B. Owen, Jr., and W.B. Krohn. 1988. Habitat suitability index models: American eider (breeding). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.149). 24 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/ef3ec5b3-d20d-44e3-aa82-4c2fde6739fd","SIV1":"nesting.cov.SIV","SIV2":"island.surface.area.SIV","SIV3":"island.accessibility.SIV","SIV4":"dist.from.may.aug.human.settlement.SIV","CC":"SIV1","CD":"((SIV2+SIV3+SIV4)/3)","Eqtn":"(CC*CD)^(1/2)"} {"model":"americanoysterGulfofMexModifier","submodel":"Model for uses other than habitat evaluation (e.g., management)","species":"Crassostrea virginica ","geography":"Estuarine areas of the Gulf of Mexico that comprise the Louisianian estuarine province.","ecosystem":"Estuary ","documentation":"Cake, E.W., Jr. 1983. Habitat suitability index models: Gulf of Mexico American oyster. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.f57. 37 pp.","note":"If the bottom substrate is composed of 80% or more sand fractions, CA=0.","website":"https://ecolibrary.sec.usace.army.mil/resource/bdd68cc9-8213-4860-99e2-ab1142e40875","SIV1":"bottom.cov.suit.cultch.SIV","SIV2":"avg.summer.sal.SIV","SIV3":"avg.abund.oysters.SIV","SIV4":"avg.sal.historic.SIV","SIV5":"avg.interval.between.killing.floods.SIV","SIV6":"avg.subs.firmness.penetrometer.SIV","SIV7":"avg.predator.abund.SIV","SIV8":"avg.disease.intensity.SIV","CL":"ifelse(SIV3==0, (SIV1*SIV2)^(1/2), (SIV1*SIV2*SIV3)^(1/3))","CA":"(SIV4*SIV5*SIV6*SIV7*SIV8)^(1/5)","Eqtn":"ifelse(CA0.5m","species":"Micropogonias undulatus","geography":"South Atlantic Coast and Gulf of Mexico coast","ecosystem":"Estuary","documentation":"Diaz, R.J., and C.P. Onuf. 1985. Habitat suitability index models: juvenile Atlantic croaker (revised). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.98). 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/77c81b2e-9758-40c1-9538-565f2c60c399","SIV1":"turb.SIV","SIV2":"DO.SIV","SIV3":"sal.march.may.SIV","SIV4":"sal.june.sept.SIV","SIV6":"dom.subs.SIV","CCF":"SIV6","CWQ":"min(SIV3, (SIV1*SIV2*SIV3)^(1/3))","Eqtn":"min(CCF, CWQ)"} {"model":"atlanticcroakerOtherTideLt0.5m","submodel":"Juvenile location other than LA, tide <0.5m","species":"Micropogonias undulatus","geography":"South Atlantic Coast and Gulf of Mexico coast","ecosystem":"Estuary","documentation":"Diaz, R.J., and C.P. Onuf. 1985. Habitat suitability index models: juvenile Atlantic croaker (revised). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.98). 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/77c81b2e-9758-40c1-9538-565f2c60c399","SIV1":"turb.SIV","SIV2":"DO.SIV","SIV3":"sal.march.may.SIV","SIV4":"sal.june.sept.SIV","SIV5":"depth.category.SIV","SIV6":"dom.subs.SIV","CCF":"min(SIV5, SIV6)","CWQ":"min(SIV3, SIV4, (SIV1*SIV2*SIV3*SIV4)^(1/4))","Eqtn":"min(CCF, CWQ)"} {"model":"atlanticcroakerOtherTideMt0.5m","submodel":"Juvenile location other than LA, tide >0.5m","species":"Micropogonias undulatus","geography":"South Atlantic Coast and Gulf of Mexico coast","ecosystem":"Estuary","documentation":"Diaz, R.J., and C.P. Onuf. 1985. Habitat suitability index models: juvenile Atlantic croaker (revised). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.98). 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/77c81b2e-9758-40c1-9538-565f2c60c399","SIV1":"turb.SIV","SIV2":"DO.SIV","SIV3":"sal.march.may.SIV","SIV4":"sal.june.sept.SIV","SIV6":"dom.subs.SIV","CCF":"SIV6","CWQ":"min(SIV3, SIV4, (SIV1*SIV2*SIV3*SIV4)^(1/4))","Eqtn":"min(CCF, CWQ)"} {"model":"atlanticcroakerWetlandLATideLt0.5m","submodel":"Juvenile Coastal Lousiana, salinity in wetland or brackish water, tide <0.5m","species":"Micropogonias undulatus","geography":"South Atlantic Coast and Gulf of Mexico coast","ecosystem":"Estuary","documentation":"Diaz, R.J., and C.P. Onuf. 1985. Habitat suitability index models: juvenile Atlantic croaker (revised). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.98). 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/77c81b2e-9758-40c1-9538-565f2c60c399","SIV1":"turb.SIV","SIV2":"DO.SIV","SIV3":"sal.wetland.march.may.SIV","SIV5":"depth.category.SIV","SIV6":"dom.subs.SIV","CCF":"min(SIV5, SIV6)","CWQ":"min(SIV3, (SIV1*SIV2*SIV3)^(1/3))","Eqtn":"min(CCF, CWQ)"} {"model":"atlanticcroakerWetlandLATideMt0.5m","submodel":"Juvenile Coastal Lousiana, salinity in wetland or brackish water, tide >0.5m","species":"Micropogonias undulatus","geography":"South Atlantic Coast and Gulf of Mexico coast","ecosystem":"Estuary","documentation":"Diaz, R.J., and C.P. Onuf. 1985. Habitat suitability index models: juvenile Atlantic croaker (revised). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.98). 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/77c81b2e-9758-40c1-9538-565f2c60c399","SIV1":"turb.SIV","SIV2":"DO.SIV","SIV3":"sal.wetland.march.may.SIV","SIV4":"sal.june.sept.SIV","SIV6":"dom.subs.SIV","CCF":"SIV6","CWQ":"min(SIV3, (SIV1*SIV2*SIV3)^(1/3))","Eqtn":"min(CCF, CWQ)"} {"model":"atlanticcroakerWetlandOtherTideLt0.5m","submodel":"Juvenile location other than LA, salinity in wetland or brackish water, tide <0.5m","species":"Micropogonias undulatus","geography":"South Atlantic Coast and Gulf of Mexico coast","ecosystem":"Estuary","documentation":"Diaz, R.J., and C.P. Onuf. 1985. Habitat suitability index models: juvenile Atlantic croaker (revised). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.98). 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/77c81b2e-9758-40c1-9538-565f2c60c399","SIV1":"turb.SIV","SIV2":"DO.SIV","SIV3":"sal.wetland.march.may.SIV","SIV4":"sal.june.sept.SIV","SIV5":"depth.category.SIV","SIV6":"dom.subs.SIV","CCF":"min(SIV5, SIV6)","CWQ":"min(SIV3, SIV4, (SIV1*SIV2*SIV3*SIV4)^(1/4))","Eqtn":"min(CCF, CWQ)"} {"model":"atlanticcroakerWetlandOtherTideMt0.5m","submodel":"Juvenile location other than LA, salinity in wetland or brackish water, tide >0.5m","species":"Micropogonias undulatus","geography":"South Atlantic Coast and Gulf of Mexico coast","ecosystem":"Estuary","documentation":"Diaz, R.J., and C.P. Onuf. 1985. Habitat suitability index models: juvenile Atlantic croaker (revised). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.98). 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/77c81b2e-9758-40c1-9538-565f2c60c399","SIV1":"turb.SIV","SIV2":"DO.SIV","SIV3":"sal.wetland.march.may.SIV","SIV4":"sal.june.sept.SIV","SIV6":"dom.subs.SIV","CCF":"SIV6","CWQ":"min(SIV3, SIV4, (SIV1*SIV2*SIV3*SIV4)^(1/4))","Eqtn":"min(CCF, CWQ)"} {"model":"bairdssparrow","species":"Ammodramus bairdii","geography":"Prairie and other habitats of similar structure in Montana, North and South Dakota, and the Canadian provinces of Alberta, Manitoba, and Saskatchewan.","documentation":"Sousa, P.J., and W.N. McDonal. 1983. Habitat suitability index models: Baird's sparrow. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.44. 12 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/ecd41a78-9a15-42bf-9f4b-268f5fa58afe","SIV1":"max.h.dom.grass.can.growing.season.SIV","SIV2":"avg.visual.obstruction.residual.veg.SIV","CCR":"min(SIV1,SIV2)","Eqtn":"CCR"} {"model":"baldeagleBreeding","submodel":"Breeding","species":"Haliaeetus leucocephalus ","geography":"Northern Half of North America ","ecosystem":"Estuary, Fresh Wetland, Lake","documentation":"Peterson, A. 1986. Habitat suitability index models: Bald eagle (breeding season). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.126). 25 pp.","note":"The area of foraging habitat in estuarine cover types is assumed to be optimal (i.e., SlV1 =1.0). ","website":"https://ecolibrary.sec.usace.army.mil/resource/cc74fa8f-f64a-4c9b-f93e-63d821d4d649","SIV1":"area.cov.open.wtr.and.wetlands.SIV","SIV2":"morphoedaphic.index.SIV","SIV3":"potential.nesting.area.cov.mature.timber.SIV","SIV4":"num.building.campsite.SIV","CF":"(SIV1*SIV2)^(1/2)","CR":"SIV3","CD":"SIV4","Eqtn":"((CR*CD)^(1/2)*CF)"} {"model":"barredowl","species":"Strix varia","ecosystem":"Floodplain, Fresh Wetland","documentation":"Allen, A.W. 1987. Habitat suitability index models: barred owl. U.S. Fish Wild. Serv. Biol. Rep. 82(10.143). 17 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/8f4b3c1b-00c6-421b-d9cb-d50ee1066cab","SIV1":"num.trees.mtoe51cm.dbh.0.4ha.SIV","SIV2":"avg.dbh.overstory.trees.SIV","SIV3":"can.cov.overstory.trees.SIV","CR":"((SIV1*SIV2)^(1/2))*SIV3","Eqtn":"CR"} {"model":"beaverLacAreaLt8ha","submodel":"Lacustrine in with area less than 8 ha (20 acres) in surface area","species":"Castor canadensis","geography":"Throughout North America except for peninsula Florida, the Artic tundra, and the southwestern deserts.","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1982. Habitat suitability index models: Beaver. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.30. 20 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/c720bcec-c944-47f9-988a-549266cea773","SIV1":"can.closure.SIV","SIV2":"trees.2.5.to.15.2cm.SIV","SIV3":"shrub.crown.cov.SIV","SIV4":"avg.h.shrub.can.SIV","SIV5":"species.comp.SIV","SIV6":"lac.surface.dominated.yellow.white.wtr.lilly.SIV","SIV8":"avg.wtr.fluct.SIV","CWF":"(((((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2))+0.5*(((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2))))/1.5)+SIV6)","CW":"SIV8","Eqtn":"min(CWF, CW)"} {"model":"beaverLacAreaMtoe8ha","submodel":"Lacustrine in with area more than or equal to 8 ha (20 acres) in surface area","species":"Castor canadensis","geography":"Throughout North America except for peninsula Florida, the Artic tundra, and the southwestern deserts.","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1982. Habitat suitability index models: Beaver. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.30. 20 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/c720bcec-c944-47f9-988a-549266cea773","SIV1":"can.closure.SIV","SIV2":"trees.2.5.to.15.2cm.SIV","SIV3":"shrub.crown.cov.SIV","SIV4":"avg.h.shrub.can.SIV","SIV5":"species.comp.SIV","SIV6":"lac.surface.dominated.yellow.white.wtr.lilly.SIV","SIV8":"avg.wtr.fluct.SIV","SIV9":"shoreline.dev.factor.SIV","CWF":"(((((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2))+0.5*(((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2))))/1.5)+SIV6)","CW":"min(SIV8, SIV9)","Eqtn":"min(CWF, CW)"} {"model":"beaverPalu","submodel":"Herbaceous, forested and shrub wetland","species":"Castor canadensis","geography":"Throughout North America except for peninsula Florida, the Artic tundra, and the southwestern deserts.","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1982. Habitat suitability index models: Beaver. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.30. 20 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/c720bcec-c944-47f9-988a-549266cea773","SIV1":"can.closure.SIV","SIV2":"trees.2.5.to.15.2cm.SIV","SIV3":"shrub.crown.cov.SIV","SIV4":"avg.h.shrub.can.SIV","SIV5":"species.comp.SIV","SIV8":"avg.wtr.fluct.SIV","CWF":"(((((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2)))+((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2))+0.5*(((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2))))/2.5)","CW":"SIV8","Eqtn":"min(CWF, CW)"} {"model":"beaverRiv","submodel":"Riverine","species":"Castor canadensis","geography":"Throughout North America except for peninsula Florida, the Artic tundra, and the southwestern deserts.","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1982. Habitat suitability index models: Beaver. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.30. 20 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/c720bcec-c944-47f9-988a-549266cea773","SIV1":"can.closure.SIV","SIV2":"trees.2.5.to.15.2cm.SIV","SIV3":"shrub.crown.cov.SIV","SIV4":"avg.h.shrub.can.SIV","SIV5":"species.comp.SIV","SIV7":"strm.gradient.SIV","SIV8":"avg.wtr.fluct.SIV","CWF":"((((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2))+0.5*(((((SIV1*SIV2)^(1/2))*SIV5)^(1/2))+((((SIV3*SIV4)^(1/2))*SIV5)^(1/2))))/1.5)","CW":"min(SIV7, SIV8)","Eqtn":"min(CWF, CW)"} {"model":"beltedkingfishLenticConstWave","submodel":"Lentic habitats constantly subject to severe wave action","species":"Ceryle alcyon","geography":"The belted kingfisher breeds from western and central Alaska, central Yukon, British Columbia, western and south-central Mackenzie, northern Saskatchewan, central and probably northern Manitoba, northern Ontario, central Quebec, east-central Labrador and Newfoundland south to southern California, southern Arizona, southern New Mexico, southern Texas, the Gulf coast and central Florida. The winter range extends from south-coastal and southeastern Alaska, central and southern British Columbia, western Montana, Wyoming, Colorado, Nebraska, southern Minnesota, the southern Great Lakes region, New York and New England south throughout the continental United States, Middle America, the West Indies, and Bermuda to northern South America and the Galapagos Islands.","ecosystem":"Estuary, Lake, Large River, Stream","documentation":"Prose, B. L. 1985. Habitat suitability index models: Belted kingfisher. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.87). 22 pp.","note":"A study-wide SIV7 should be obtained by calculating the mean of the individual suitability indices, rather than using a single SIV7 obtained from averaged distance measurements ","website":"https://ecolibrary.sec.usace.army.mil/resource/d2a8e981-18c1-4d16-f38a-c5bc2a98880b","SIV1":"shorline.severe.wave.action.SIV","SIV2":"avg.wtr.transparency.cm.1","SIV3":"wtr.surface.obstruction.SIV","SIV4":"wtr.area.lt60cm.SIV","SIV6":"avg.num.lentic.shoreline.strm.mt1.perches.SIV","SIV7":"dist.nearest.suitable.soil.bank.1km.sections.SIV","CC":"SIV6","CW":"(((SIV1*SIV2*SIV4)^(1/2))*SIV3)","CR":"SIV7","Eqtn":"min(CR, CW, CC)"} {"model":"beltedkingfishLenticNoConstWave","submodel":"Lentic habitats not constantly subject to severe wave action","species":"Ceryle alcyon","geography":"The belted kingfisher breeds from western and central Alaska, central Yukon, British Columbia, western and south-central Mackenzie, northern Saskatchewan, central and probably northern Manitoba, northern Ontario, central Quebec, east-central Labrador and Newfoundland south to southern California, southern Arizona, southern New Mexico, southern Texas, the Gulf coast and central Florida. The winter range extends from south-coastal and southeastern Alaska, central and southern British Columbia, western Montana, Wyoming, Colorado, Nebraska, southern Minnesota, the southern Great Lakes region, New York and New England south throughout the continental United States, Middle America, the West Indies, and Bermuda to northern South America and the Galapagos Islands.","ecosystem":"Estuary, Lake, Large River, Stream","documentation":"Prose, B. L. 1985. Habitat suitability index models: Belted kingfisher. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.87). 22 pp.","note":"A study-wide SIV7 should be obtained by calculating the mean of the individual suitability indices, rather than using a single SIV7 obtained from averaged distance measurements ","website":"https://ecolibrary.sec.usace.army.mil/resource/d2a8e981-18c1-4d16-f38a-c5bc2a98880b","SIV2":"avg.wtr.transparency.cm.1","SIV3":"wtr.surface.obstruction.SIV","SIV4":"wtr.area.lt60cm.SIV","SIV6":"avg.num.lentic.shoreline.strm.mt1.perches.SIV","SIV7":"dist.nearest.suitable.soil.bank.1km.sections.SIV","CC":"SIV6","CW":"(((SIV2*SIV4)^(1/2))*SIV3)","CR":"SIV7","Eqtn":"min(CR, CW, CC)"} {"model":"beltedkingfishLotic","submodel":"All lotic habitats","species":"Ceryle alcyon","geography":"The belted kingfisher breeds from western and central Alaska, central Yukon, British Columbia, western and south-central Mackenzie, northern Saskatchewan, central and probably northern Manitoba, northern Ontario, central Quebec, east-central Labrador and Newfoundland south to southern California, southern Arizona, southern New Mexico, southern Texas, the Gulf coast and central Florida. The winter range extends from south-coastal and southeastern Alaska, central and southern British Columbia, western Montana, Wyoming, Colorado, Nebraska, southern Minnesota, the southern Great Lakes region, New York and New England south throughout the continental United States, Middle America, the West Indies, and Bermuda to northern South America and the Galapagos Islands.","ecosystem":"Estuary, Lake, Large River, Stream","documentation":"Prose, B. L. 1985. Habitat suitability index models: Belted kingfisher. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.87). 22 pp.","note":"A study-wide SIV7 should be obtained by calculating the mean of the individual suitability indices, rather than using a single SIV7 obtained from averaged distance measurements ","website":"https://ecolibrary.sec.usace.army.mil/resource/d2a8e981-18c1-4d16-f38a-c5bc2a98880b","SIV2":"avg.wtr.transparency.cm.1","SIV3":"wtr.surface.obstruction.SIV","SIV4":"wtr.area.lt60cm.SIV","SIV5":"riffle.pct.SIV","SIV6":"avg.num.lentic.shoreline.strm.mt1.perches.SIV","SIV7":"dist.nearest.suitable.soil.bank.1km.sections.SIV","CC":"SIV6","CW":"(((SIV2*SIV4*SIV5)^(1/3))*SIV3)","CR":"SIV7","Eqtn":"min(CR, CW, CC)"} {"model":"bigmouthbuffaloLacNoSal","submodel":"Lacustrine salinity SIV8 parameter not considered a potential problem in the study area","species":"Ictiobus cyprinellus","geography":"The bigmouth buffalo occurs from the Lake Erie drainage south through the Ohio and Mississippi River drainages to the Tennessee River in northern Alabama; west to Arkansas; south to near the Gulf of Mexico in Louisiana; northwest throught eastern Texas and Oklahoma; north through Iowa, South Dakota, and Minnesota; and in the Milk River into Manitoba and Saskatchewan. Has been introduced into reservoirs in Ariziona and Los Angeles aqueduct system in southern California, and reservoirs of the Missouri River drainage in North Dakota and Montana.","ecosystem":"Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Edwards, E.A. 1983. Habitat suitability index models: Bigmouth buffalo. U.S. Dept. Int., FishWildl. Serv. FWS/OBS-82/10/34. 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/225f8c89-071b-438a-f0f8-b09bc5b8ffa2","SIV2":"avg.max.mthly.turb.summer.flow.SIV","SIV3":"pH.level.SIV","SIV4":"max.wtr.temp.summer.ad.SIV","SIV5":"avg.max.wtr.temp.nursery.spring.summer.emb.SIV","SIV6":"min.DO.spring.summer.emb.ad.SIV","SIV9":"dominant.subs.spwn.area.emb.SIV","SIV10":"litt.area.protected.embayments.summer.SIV","SIV11":"wtr.lvl.fluct.before.after.spwn.SIV","SIV12":"min.DS.growing.season.SIV","SIV13":"veg.cov.pls.backwtrs.marsh.proct.embayments.shoreline.SIV","CCF":"(SIV10*(SIV12)^(2))^(1/3)","CWQ":"(SIV2*SIV3*(SIV4)^(2)*SIV6)^(1/5)","CR":"ifelse(SIV5<=0.4|SIV9<=0.4,min(SIV5,SIV9,((SIV5^2)*SIV6*(SIV9^2)*SIV11)^(1/6)),((SIV5^2)*SIV6*(SIV9^2)*SIV11)^(1/6))","Eqtn":"ifelse(CWQ<=0.4|CR<= 0.4, min(CWQ, CR, ((CCF*CWQ*(CR)^(2))^(1/4))), ((CCF*CWQ*(CR)^(2))^(1/4)))"} {"model":"bigmouthbuffaloLacSal","submodel":"Lacustrine salinity SIV8 parameter considered a potential problem in the study area","species":"Ictiobus cyprinellus","geography":"The bigmouth buffalo occurs from the Lake Erie drainage south through the Ohio and Mississippi River drainages to the Tennessee River in northern Alabama; west to Arkansas; south to near the Gulf of Mexico in Louisiana; northwest throught eastern Texas and Oklahoma; north through Iowa, South Dakota, and Minnesota; and in the Milk River into Manitoba and Saskatchewan. Has been introduced into reservoirs in Ariziona and Los Angeles aqueduct system in southern California, and reservoirs of the Missouri River drainage in North Dakota and Montana.","ecosystem":"Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Edwards, E.A. 1983. Habitat suitability index models: Bigmouth buffalo. U.S. Dept. Int., FishWildl. Serv. FWS/OBS-82/10/34. 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/225f8c89-071b-438a-f0f8-b09bc5b8ffa2","SIV2":"avg.max.mthly.turb.summer.flow.SIV","SIV3":"pH.level.SIV","SIV4":"max.wtr.temp.summer.ad.SIV","SIV5":"avg.max.wtr.temp.nursery.spring.summer.emb.SIV","SIV6":"min.DO.spring.summer.emb.ad.SIV","SIV8":"max.sal.spring.summer.emb.ad.SIV","SIV9":"dominant.subs.spwn.area.emb.SIV","SIV10":"litt.area.protected.embayments.summer.SIV","SIV11":"wtr.lvl.fluct.before.after.spwn.SIV","SIV12":"min.DS.growing.season.SIV","SIV13":"veg.cov.pls.backwtrs.marsh.proct.embayments.shoreline.SIV","CCF":"(SIV10*(SIV12)^(2))^(1/3)","CWQ":"(SIV2*SIV3*(SIV4)^(2)*SIV6*SIV8)^(1/6)","CR":"ifelse(SIV5<=0.4|SIV9<=0.4,min(SIV5,SIV9,((SIV5^2)*SIV6*(SIV9^2)*SIV11)^(1/6)),((SIV5^2)*SIV6*(SIV9^2)*SIV11)^(1/6))","Eqtn":"ifelse(CWQ<=0.4|CR<= 0.4, min(CWQ, CR, ((CCF*CWQ*(CR)^(2))^(1/4))), ((CCF*CWQ*(CR)^(2))^(1/4)))"} {"model":"bigmouthbuffaloRivNoSal","submodel":"Riverine salinity SIV8 parameter not considered a potential problem in the study area","species":"Ictiobus cyprinellus","geography":"The bigmouth buffalo occurs from the Lake Erie drainage south through the Ohio and Mississippi River drainages to the Tennessee River in northern Alabama; west to Arkansas; south to near the Gulf of Mexico in Louisiana; northwest throught eastern Texas and Oklahoma; north through Iowa, South Dakota, and Minnesota; and in the Milk River into Manitoba and Saskatchewan. Has been introduced into reservoirs in Ariziona and Los Angeles aqueduct system in southern California, and reservoirs of the Missouri River drainage in North Dakota and Montana.","ecosystem":"Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Edwards, E.A. 1983. Habitat suitability index models: Bigmouth buffalo. U.S. Dept. Int., FishWildl. Serv. FWS/OBS-82/10/34. 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/225f8c89-071b-438a-f0f8-b09bc5b8ffa2","SIV1":"pls.backwtrs.marsh.spring.summer.SIV","SIV2":"avg.max.mthly.turb.summer.flow.SIV","SIV3":"pH.level.SIV","SIV4":"max.wtr.temp.summer.ad.SIV","SIV5":"avg.max.wtr.temp.nursery.spring.summer.emb.SIV","SIV6":"min.DO.spring.summer.emb.ad.SIV","SIV7":"avg.curr.vel.SIV","SIV9":"dominant.subs.spwn.area.emb.SIV","SIV11":"wtr.lvl.fluct.before.after.spwn.SIV","SIV13":"veg.cov.pls.backwtrs.marsh.proct.embayments.shoreline.SIV","CCF":"(SIV1*SIV13)^(1/2)","CWQ":"(SIV2*SIV3*(SIV4)^(2)*SIV6)^(1/5)","CR":"ifelse(SIV5<=0.4|SIV9<=0.4,min(SIV5,SIV9,((SIV5^2)*SIV6*(SIV9^2)*SIV11)^(1/6)),((SIV5^2)*SIV6*(SIV9^2)*SIV11)^(1/6))","COT":"SIV7","Eqtn":"ifelse(CR<=0.4,min(CR,(CCF*CWQ*(CR^2)*COT)^(1/5)),(CCF*CWQ*(CR^2)*COT)^(1/5))"} {"model":"bigmouthbuffaloRivSal","submodel":"Riverine salinity SIV8 parameter considered a potential problem in the study area","species":"Ictiobus cyprinellus","geography":"The bigmouth buffalo occurs from the Lake Erie drainage south through the Ohio and Mississippi River drainages to the Tennessee River in northern Alabama; west to Arkansas; south to near the Gulf of Mexico in Louisiana; northwest throught eastern Texas and Oklahoma; north through Iowa, South Dakota, and Minnesota; and in the Milk River into Manitoba and Saskatchewan. Has been introduced into reservoirs in Ariziona and Los Angeles aqueduct system in southern California, and reservoirs of the Missouri River drainage in North Dakota and Montana.","ecosystem":"Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Edwards, E.A. 1983. Habitat suitability index models: Bigmouth buffalo. U.S. Dept. Int., FishWildl. Serv. FWS/OBS-82/10/34. 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/225f8c89-071b-438a-f0f8-b09bc5b8ffa2","SIV1":"pls.backwtrs.marsh.spring.summer.SIV","SIV2":"avg.max.mthly.turb.summer.flow.SIV","SIV3":"pH.level.SIV","SIV4":"max.wtr.temp.summer.ad.SIV","SIV5":"avg.max.wtr.temp.nursery.spring.summer.emb.SIV","SIV6":"min.DO.spring.summer.emb.ad.SIV","SIV7":"avg.curr.vel.SIV","SIV8":"max.sal.spring.summer.emb.ad.SIV","SIV9":"dominant.subs.spwn.area.emb.SIV","SIV11":"wtr.lvl.fluct.before.after.spwn.SIV","SIV13":"veg.cov.pls.backwtrs.marsh.proct.embayments.shoreline.SIV","CCF":"(SIV1*SIV13)^(1/2)","CWQ":"(SIV2*SIV3*(SIV4)^(2)*SIV6*SIV8)^(1/6)","CR":"ifelse(SIV5<=0.4|SIV9<=0.4,min(SIV5,SIV9,((SIV5^2)*SIV6*(SIV9^2)*SIV11)^(1/6)),((SIV5^2)*SIV6*(SIV9^2)*SIV11)^(1/6))","COT":"SIV7","Eqtn":"ifelse(CR<=0.4,min(CR,(CCF*CWQ*(CR^2)*COT)^(1/5)),(CCF*CWQ*(CR^2)*COT)^(1/5))"} {"model":"blackbear","submodel":"Upper Great Lakes region","species":"Ursus americanus","geography":"Upper Great Lakes Region - northeast Minnesota, northern Wisconsin, the upper peninsula, and the upper half of Michigan's lower peninsula","ecosystem":"Fresh Wetland","documentation":"Rogers, L.L., and A.W. Allen. 1987. Habitat suitability index models: black bear, Upper Great Lakes Region. U.S. Fish Wildl. Serv. Biol. Rep. 82(10/144). 54 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/721d0848-379b-43cb-d0c7-a6237890e481","SIV1":"area.wetland.cov.not.open.wtr.SIV","SIV2":"can.cov.soft.mast.species.SIV","SIV3":"soft.mast.species.1pct.can.SIV","SIV4":"basal.area.hard.mast.mt40yrs.SIV","SIV5":"hard.mast.mtoe1.mature.tree.per.0.4ha.SIV","SIV6":"area.nonforested.cov.pct.SIV","SIV7":"area.cov.mt1pct.can.cov.hard.mast.SIV","SIV8":"evaluation.area.in.zones.of.influence.SIV","CSF":"(SIV2*SIV3)^(1/2)","CFF":"(SIV4*SIV5)^(1/2)","CD":"SIV8","CSPF":"SIV1","Eqtn":"((CSPF+(CSF*SIV6)+(CFF*SIV7))/3)*CD"} {"model":"blackbelliedwhistlingduck","submodel":"Breeding palustrine, lacustrine and upland habitat","species":"Dendrocygna autumnalis ","geography":"Breeding range in Texas (south-central and southeastern Texas) ","ecosystem":"Fresh Wetland, Lake","documentation":"McKenzie, P.M., and P.J. Zwank. 1988. Habitat suitability index models: black-bellied whistling-duck (breeding). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.150). 22 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/7281916c-e239-4ab6-f870-5543b6a94f05","SIV1":"suit.cavities.10cm.entrance.SIV","SIV2":"shrub.understory.under.cavities.SIV","SIV3":"avg.dist.cavities.to.brood.rearing.hab.SIV","SIV4":"brood.rearing.are.SIV","CCN":"(SIV1*SIV2*SIV3)^(1/3)","Eqtn":"min(CCN, SIV4)"} {"model":"blackbrant","submodel":"Estuarine","species":"Branta bernicla nigricans ","geography":"Pacific coast wintering areas from southeastern Alaska to southern Baja California","ecosystem":"Estuary, Large Watershed/Major Restoration ","documentation":"Schroeder, R.L. 1984. Habitat suitabilitly index models: Black brant. U.S. Fish Wildl. Serv. FWS/OBS-82/10.63. 11 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/0a03f66f-6d54-4a90-bc05-24d5a00a1c24","SIV1":"useable.eelgrass.cov.SIV","SIV2":"isolated.shoreline.SIV","CF":"((SIV1)^(2) * SIV2)^(1/3)","Eqtn":"CF"} {"model":"blackbullheadLac","submodel":"Lacustrine","species":"Ictalurus melas","geography":"Applicable throughout the 48 conterminous United States","ecosystem":"Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Stuber, R.J. 1982. Habitat suitability index models: Black bullhead. U.S. Dept. int. Fish Wildl. Serv. FWS/OBS-82/10.14. 25 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/8e1d37eb-56e3-4679-a10f-07c2ca934773","SIV2":"cov.in.pls.backwtrs.or.litt.summer.SIV","SIV4":"max.midsummer.wtr.temp.pls.backwtrs.litt.SIV","SIV5":"DO.range.pls.backwtr.litt.SIV","SIV6":"pH.range.SIV","SIV7":"max.sal.summer.ad.juv.SIV","SIV8":"max.sal.early.summer.emb.fry.SIV","SIV9":"max.mthly.avg.turb.growing.season.SIV","SIV10":"avg.wtr.temp.pls.backwtr.litt.spwn.emb.SIV","SIV11":"dominant.subs.emb.SIV","SIV12":"cov.pls.backwtr.litt.emb.SIV","SIV13":"avg.total.DS.summer.SIV","SIV14":"litt.area.summer.SIV","SIV15":"lake.res.size.SIV","SIV16":"res.drawdown.spwn.emb.dev.SIV","CF":"SIV13","CC":"((SIV2*SIV14*SIV15)^(1/3))","CWQ":"ifelse(SIV7==1 & SIV8==1,ifelse(SIV4<=0.4|SIV5 <=0.4,min(SIV4,SIV5,(((2*SIV4)+(2*SIV5)+SIV6+SIV9)/6)),(((2*SIV4)+(2*SIV5)+SIV6+SIV9)/6)) ,ifelse(SIV4<=0.4|SIV5<=0.4,min(SIV4,SIV5,(((2*SIV4)+(2*SIV5)+SIV6+((SIV7+SIV8)/2)+SIV9)/7)),(((2*SIV4)+(2*SIV5)+SIV6+((SIV7+SIV8)/2)+SIV9)/7)))","CR":"ifelse(SIV8==1,((SIV10*SIV11*SIV12*SIV14*SIV16)^(1/5)),((SIV8*SIV10*SIV11*SIV12*SIV14*SIV16)^(1/6)))","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,((CF*CC*CWQ*CR)^(1/4))),((CF*CC*CWQ*CR)^(1/4)))"} {"model":"blackbullheadRiv","submodel":"Riverine","species":"Ictalurus melas","geography":"Applicable throughout the 48 conterminous United States","ecosystem":"Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Stuber, R.J. 1982. Habitat suitability index models: Black bullhead. U.S. Dept. int. Fish Wildl. Serv. FWS/OBS-82/10.14. 25 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/8e1d37eb-56e3-4679-a10f-07c2ca934773","SIV1":"pls.backwtrs.summer.SIV","SIV2":"cov.in.pls.backwtrs.or.litt.summer.SIV","SIV3":"avg.curr.vel.0.6.d.summer.SIV","SIV4":"max.midsummer.wtr.temp.pls.backwtrs.litt.SIV","SIV5":"DO.range.pls.backwtr.litt.SIV","SIV6":"pH.range.SIV","SIV7":"max.sal.summer.ad.juv.SIV","SIV8":"max.sal.early.summer.emb.fry.SIV","SIV9":"max.mthly.avg.turb.growing.season.SIV","SIV10":"avg.wtr.temp.pls.backwtr.litt.spwn.emb.SIV","SIV11":"dominant.subs.emb.SIV","SIV12":"cov.pls.backwtr.litt.emb.SIV","CF":"((SIV1*SIV2)^(1/2))","CC":"((SIV1*SIV2*SIV3)^(1/3))","CWQ":"ifelse(SIV7==1 & SIV8==1,ifelse(SIV4<=0.4|SIV5 <=0.4,min(SIV4,SIV5,(((2*SIV4)+(2*SIV5)+SIV6+SIV9)/6)),(((2*SIV4)+(2*SIV5)+SIV6+SIV9)/6)),ifelse(SIV4<=0.4|SIV5<=0.4,min(SIV4,SIV5,(((2*SIV4)+(2*SIV5)+SIV6+((SIV7+SIV8)/2)+SIV9)/7)),(((2*SIV4)+(2*SIV5)+SIV6+((SIV7+SIV8)/2)+SIV9)/7)))","CR":"ifelse(SIV8==1,(SIV1*SIV10*SIV11*SIV12)^(1/4),(SIV1*SIV8*SIV10*SIV11*SIV12)^(1/5))","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CF*CC*CWQ*CR)^(1/4)),(CF*CC*CWQ*CR)^(1/4))"} {"model":"blackcappedchickadeeFoodCanH","submodel":"Food component measured from tree canopy closure (SIV1) and height (SIV2)","species":"Poecile atricapillus","geography":"Wooded areas in the northern United States, Canada, and the higher elevations of mountains in southern Appalachia","ecosystem":"Fresh Wetland","documentation":"Schroeder R.L. 1983. Habitat suitability index models: Black-capped chickadee. FWS/OBS-82/10.37. U.S. Fish and Wildlife Service.","website":"https://ecolibrary.sec.usace.army.mil/resource/b4ec535f-4ff2-4b5c-bc1c-27761ac754d9","SIV1":"tree.can.closure.SIV","SIV2":"overstory.trees.h.SIV","SIV4":"snags.10.to.25cm.dbh.per.ha.SIV","CF":"((SIV1*SIV2)^(1/2))","CR":"SIV4","Eqtn":"min(CF,CR)"} {"model":"blackcappedchickadeeFoodCanVol","submodel":"Food component measured by canopy volume of trees per area of ground surface SIV3","species":"Poecile atricapillus","geography":"Wooded areas in the northern United States, Canada, and the higher elevations of mountains in southern Appalachia","ecosystem":"Fresh Wetland","documentation":"Schroeder R.L. 1983. Habitat suitability index models: Black-capped chickadee. FWS/OBS-82/10.37. U.S. Fish and Wildlife Service.","website":"https://ecolibrary.sec.usace.army.mil/resource/b4ec535f-4ff2-4b5c-bc1c-27761ac754d9","SIV3":"tree.can.vol.per.area.gs.SIV","SIV4":"snags.10.to.25cm.dbh.per.ha.SIV","CF":"SIV3","CR":"SIV4","Eqtn":"min(CF,CR)"} {"model":"blackcrappieLacNoSal","submodel":"Lacustrine salinity SIV14 parameter NOT considered a potential problem in the study area","species":"Pomoxis nigromaculatus","geography":"Native to freshwater lakes and streams from the Great Lakes south to the Gulf of Mexico, and the southern Atlantic States, north to North Dakota and eastern Montana, and east to the Appalachians. Also applicable to all areas of introduction outside this range throughout North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, E.A., D. A. Krieger, M. Bacteller, and O.E. Maughan. 1982. Habitat suitability index models: Black crappie. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.6. 25 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/3d57ccd3-31f7-4ec2-dd8b-aea73ad1fed6","SIV1":"turb.SIV","SIV2":"cov.pct.SIV","SIV6":"litt.area.spring.summer.SIV","SIV7":"pH.SIV","SIV8":"wtr.temp.ep.pls.backwtr.ad.SIV","SIV9":"wtr.temp.ep.pls.backwtr.juv.SIV","SIV10":"wtr.temp.ep.pls.backwtr.fry.SIV","SIV11":"avg.wtr.temp.litt.pls.backwtr.emb.SIV","SIV12":"min.DO.ad.juv.fry.SIV","SIV13":"min.DO.emb.fry.SIV","SIV15":"TDS.growing.season.SIV","CF":"SIV15","CC":"(SIV2*SIV6)^(1/2)","CWQ":"ifelse(((SIV8*SIV9*SIV10)^(1/3))<=0.4 | SIV12 <=0.4,min(((SIV8*SIV9*SIV10)^(1/3)),SIV12,(((2*((SIV8*SIV9*SIV10)^(1/3)))+(2*SIV12)+SIV7+SIV1)/6)),(((2*((SIV8*SIV9*SIV10)^(1/3)))+(2*SIV12)+SIV7+SIV1)/6))","CR":"((SIV2*SIV6*(SIV11^2)*(SIV13^2))^(1/6))","Eqtn":"ifelse(CF<=0.4|CC<=0.4|CWQ<=0.4|CR<=0.4,min(CF,CC,CWQ,CR,((CF*CC*CWQ*CR)^(1/4))),((CF*CC*CWQ*CR)^(1/4)))"} {"model":"blackcrappieLacSal","submodel":"Lacustrine salinity SIV14 parameter considered a potential problem in the study area","species":"Pomoxis nigromaculatus","geography":"Native to freshwater lakes and streams from the Great Lakes south to the Gulf of Mexico, and the southern Atlantic States, north to North Dakota and eastern Montana, and east to the Appalachians. Also applicable to all areas of introduction outside this range throughout North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, E.A., D. A. Krieger, M. Bacteller, and O.E. Maughan. 1982. Habitat suitability index models: Black crappie. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.6. 25 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/3d57ccd3-31f7-4ec2-dd8b-aea73ad1fed6","SIV1":"turb.SIV","SIV2":"cov.pct.SIV","SIV6":"litt.area.spring.summer.SIV","SIV7":"pH.SIV","SIV8":"wtr.temp.ep.pls.backwtr.ad.SIV","SIV9":"wtr.temp.ep.pls.backwtr.juv.SIV","SIV10":"wtr.temp.ep.pls.backwtr.fry.SIV","SIV11":"avg.wtr.temp.litt.pls.backwtr.emb.SIV","SIV12":"min.DO.ad.juv.fry.SIV","SIV13":"min.DO.emb.fry.SIV","SIV14":"max.sal.growing.season.SIV","SIV15":"TDS.growing.season.SIV","CF":"SIV15","CC":"(SIV2*SIV6)^(1/2)","CWQ":"ifelse(((SIV8*SIV9*SIV10)^(1/3))<=0.4 | SIV12 <=0.4,min(((SIV8*SIV9*SIV10)^(1/3)),SIV12,(((2*((SIV8*SIV9*SIV10)^(1/3)))+(2*SIV12)+SIV7+SIV1+SIV14)/7)),(((2*((SIV8*SIV9*SIV10)^(1/3)))+(2*SIV12)+SIV7+SIV1+SIV14)/7))","CR":"((SIV2*SIV6*(SIV11^2)*(SIV13^2))^(1/6))","Eqtn":"ifelse(CF<=0.4|CC<=0.4|CWQ<=0.4|CR<=0.4,min(CF,CC,CWQ,CR,((CF*CC*CWQ*CR)^(1/4))),((CF*CC*CWQ*CR)^(1/4)))"} {"model":"blackcrappieRivNoSal","submodel":"Riverine salinity SIV14 parameter NOT considered a potential problem in the study area","species":"Pomoxis nigromaculatus","geography":"Native to freshwater lakes and streams from the Great Lakes south to the Gulf of Mexico, and the southern Atlantic States, north to North Dakota and eastern Montana, and east to the Appalachians. Also applicable to all areas of introduction outside this range throughout North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, E.A., D. A. Krieger, M. Bacteller, and O.E. Maughan. 1982. Habitat suitability index models: Black crappie. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.6. 25 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/3d57ccd3-31f7-4ec2-dd8b-aea73ad1fed6","SIV1":"turb.SIV","SIV2":"cov.pct.SIV","SIV3":"strm.gradient.SIV","SIV4":"curr.vel.pls.SIV","SIV5":"pls.backwtr.spring.summer.flow.SIV","SIV7":"pH.SIV","SIV8":"wtr.temp.ep.pls.backwtr.ad.SIV","SIV9":"wtr.temp.ep.pls.backwtr.juv.SIV","SIV10":"wtr.temp.ep.pls.backwtr.fry.SIV","SIV11":"wtr.temp.ep.pls.backwtr.emb.SIV","SIV12":"min.DO.ad.juv.fry.SIV","SIV13":"min.DO.emb.fry.SIV","CCF":"((SIV2*SIV5)^(1/2))","CWQ":"ifelse(((SIV8*SIV9*SIV10)^(1/3))<=0.4 | SIV12 <=0.4,min(((SIV8*SIV9*SIV10)^(1/3)),SIV12,(((2*((SIV8*SIV9*SIV10)^(1/3)))+(2*SIV12)+SIV7+SIV1)/6)),(((2*((SIV8*SIV9*SIV10)^(1/3)))+(2*SIV12)+SIV7+SIV1)/6))","CR":"((SIV2*SIV5*(SIV11^2)*(SIV13^2))^(1/6))","COT":"((SIV3+SIV4)/2)","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CR,CWQ,((CCF*CWQ*CR*COT)^(1/4))),((CCF*CWQ*CR*COT)^(1/4)))"} {"model":"blackcrappieRivSal","submodel":"Riverine salinity SIV14 parameter considered a potential problem in the study area","species":"Pomoxis nigromaculatus","geography":"Native to freshwater lakes and streams from the Great Lakes south to the Gulf of Mexico, and the southern Atlantic States, north to North Dakota and eastern Montana, and east to the Appalachians. Also applicable to all areas of introduction outside this range throughout North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, E.A., D. A. Krieger, M. Bacteller, and O.E. Maughan. 1982. Habitat suitability index models: Black crappie. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.6. 25 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/3d57ccd3-31f7-4ec2-dd8b-aea73ad1fed6","SIV1":"turb.SIV","SIV2":"cov.pct.SIV","SIV3":"strm.gradient.SIV","SIV4":"curr.vel.pls.SIV","SIV5":"pls.backwtr.spring.summer.flow.SIV","SIV7":"pH.SIV","SIV8":"wtr.temp.ep.pls.backwtr.ad.SIV","SIV9":"wtr.temp.ep.pls.backwtr.juv.SIV","SIV10":"wtr.temp.ep.pls.backwtr.fry.SIV","SIV11":"wtr.temp.ep.pls.backwtr.emb.SIV","SIV12":"min.DO.ad.juv.fry.SIV","SIV13":"min.DO.emb.fry.SIV","SIV14":"max.sal.growing.season.SIV","CCF":"((SIV2*SIV5)^(1/2))","CWQ":"ifelse(((SIV8*SIV9*SIV10)^(1/3))<=0.4 | SIV12 <=0.4,min(((SIV8*SIV9*SIV10)^(1/3)),SIV12,(((2*((SIV8*SIV9*SIV10)^(1/3)))+(2*SIV12)+SIV7+SIV1+SIV14)/7)),(((2*((SIV8*SIV9*SIV10)^(1/3)))+(2*SIV12)+SIV7+SIV1+SIV14)/7))","CR":"((SIV2*SIV5*(SIV11^2)*(SIV13^2))^(1/6))","COT":"((SIV3+SIV4)/2)","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CR,CWQ,((CCF*CWQ*CR*COT)^(1/4))),((CCF*CWQ*CR*COT)^(1/4)))"} {"model":"blacknosedaceLac","submodel":"Lacustrine model","species":"Rhinichthys atratulus","geography":"Manitoba to Nebraska, east to the Maritime Provinces, and south along both sides of the Appalachian Mountains to Georgia and Alabama.","ecosystem":"Dam Removal, Fish Passage, Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Trial, JG, JG Stanley, M Batcheller, G Gebhart, OE Maughan, and PC Nelson. 1983. Habitat suitability information: Blacknose dace. US Department of Interior, Fish and Wildlife Service. FWS/OBS-82/10.41. 28 pp.","note":"HSI is equal to CWQ","website":"https://ecolibrary.sec.usace.army.mil/resource/1675ad28-c404-4e70-a7ed-00fd983126d7","SIV5":"suitable.max.wtr.temp.warmest.SIV","SIV6":"avg.turb.growing.season.SIV","CWQ":"ifelse(SIV5<=0.4|SIV6<=0.4,min(SIV5,SIV6),((SIV5^2)*SIV6)^(1/3))","Eqtn":"CWQ"} {"model":"blacknosedaceRiv","submodel":"Riverine model","species":"Rhinichthys atratulus","geography":"Manitoba to Nebraska, east to the Maritime Provinces, and south along both sides of the Appalachian Mountains to Georgia and Alabama.","ecosystem":"Dam Removal, Fish Passage, Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Trial, JG, JG Stanley, M Batcheller, G Gebhart, OE Maughan, and PC Nelson. 1983. Habitat suitability information: Blacknose dace. US Department of Interior, Fish and Wildlife Service. FWS/OBS-82/10.41. 28 pp.","note":"CA, CJ, and CF are optional components. To exclude one or all life stages, enter component name(s) in \"exclude\" argument in HSIeqtn(). To find the HSI for a single life stage, enter all other life stage components (to be excluded) and reproduction component (CR) in\"exclude\" argument in HSIeqtn(). ","website":"https://ecolibrary.sec.usace.army.mil/resource/1675ad28-c404-4e70-a7ed-00fd983126d7","SIV1":"strm.area.shaded.SIV","SIV2":"pls.pct.SIV","SIV3":"strm.gradient.SIV","SIV4":"strm.w.SIV","SIV5":"suitable.max.wtr.temp.warmest.SIV","SIV6":"avg.turb.growing.season.SIV","SIV7":"dominant.subs.rffls.SIV","SIV8":"strm.d.spwn.rffls.SIV","SIV9":"avg.vel.rffls.SIV","SIV10":"temp.spwn.may.to.june.SIV","SIV11":"subs.pls.slow.channels.ad.SIV","SIV12":"avg.vel.pls.slow.channels.ad.SIV","SIV13":"subs.strm.rffls.juv.SIV","SIV14":"vel.rffls.juv.SIV","SIV15":"subs.strm.margins.fry.SIV","SIV16":"vel.strm.margins.fry.SIV","CCF":"ifelse(SIV1<=0.4|SIV2<=0.4|SIV3<=0.4|SIV4<=0.4,min(SIV1,SIV2,SIV3,SIV4),((SIV1+SIV2+SIV3+SIV4)/4))","CWQ":"ifelse(SIV5<=0.4|SIV6<=0.4,min(SIV5,SIV6),(((SIV5)^2)*SIV6)^(1/3))","CR":"ifelse(SIV7<=0.4|SIV8<=0.4|SIV9<=0.4|SIV10<=0.4,min(SIV7,SIV8,SIV9,SIV10),(((SIV7*SIV8*(SIV9^2))^(1/4)+SIV10)/2))","CJ":"ifelse(SIV13<=0.4|SIV14<=0.4,min(SIV13,SIV14),(SIV13*SIV14)^(1/2))","CFr":"ifelse(SIV15<=0.4|SIV16<=0.4,min(SIV15,SIV16),(SIV15*SIV16)^(1/2))","CA":"ifelse(SIV11<=0.4|SIV12<=0.4,min(SIV11,SIV12),(SIV11*SIV12)^(1/2))","Eqtn":"ifelse(CCF<=0.4|CWQ<=0.4|(!is.na(CR)&CR<=0.4)|(!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4),min(CCF,CWQ,CR,CA,CJ,CFr,na.rm=T),ifelse(is.na(CR),prod(CCF,CWQ,CA,CJ,CFr,na.rm=T),prod(CCF,CWQ,CR)^(1/3)*(prod(CA,CJ,CFr,na.rm=T)^(1/length(na.omit(c(CA,CJ,CFr)))))))"} {"model":"blackshoulderedkite","species":"Elanus caeruleus","geography":"California, but can be used with caution in Texas coastal prairies and pasturelands and the Rio Grande Delta region","ecosystem":"Fresh Wetland","documentation":"Faanes, C.A., and R.J. Howard. 1987. Habitat suitability index models: black-shouldered kite. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.130). 13 pp.","note":"The four SIVs in this model are % tall grassland, % short grassland, % rush, and % salt marsh. User input values should be 0 if cover type is absent and 1 if cover type is present. Model should only be applied if water is available at a site.","website":"https://ecolibrary.sec.usace.army.mil/resource/5a4b5ee9-5f24-47cd-949f-c51fea02ba43","SIV1":"tall.grass.cov.SIV","SIV2":"short.grass.cov.SIV","SIV3":"rush.cov.SIV","SIV4":"saltmarsh.cov.SIV","Eqtn":"min(1,(SIV1+(0.5*SIV2)+(0.3*SIV3)+(0.25*SIV4)))"} {"model":"blacktailedprairiedog","species":"Cynomys ludovicianus ","geography":"Across the United States ","documentation":"Clippinger, N.W. 1989. Habitat suitability index models: Black-tailed prairie dog. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.156). 21 pp. ","website":"https://www.govinfo.gov/content/pkg/GOVPUB-I49-PURL-LPS101761/pdf/GOVPUB-I49-PURL-LPS101761.pdf","SIV1":"herb.can.cov.SIV","SIV2":"slope.pct.SIV","SIV3":"avg.veg.h.SIV","SIV4":"soil.type.SIV","Eqtn":"(SIV1*SIV2*SIV3*SIV4)^(1/4)"} {"model":"bluegillLac","submodel":"Lacustrine","species":"Lepomis macrochirus","geography":"Wherever bluegills occur in North America","ecosystem":"Fish Passage, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart and OE Maughan. 1982. Habitat Suitability Index Models: Bluegill. USFWS Report FWS/OBS-82/10.8. 26pp.","note":"Drop SIV19 in natural lake; lacustrine D.O. levels refer to littoral areas; SIV9 may be dropped from CWQ component if salinity is not a potential problem in the study area","website":"https://ecolibrary.sec.usace.army.mil/resource/d54cf654-add0-415d-dffe-26aa26845d9b","SIV2":"cov.pls.litt.area.summer.SIV","SIV3":"cov.aq.veg.SIV","SIV4":"litt.area.summer.strat.SIV","SIV5":"avg.TDS.growing.season.SIV","SIV6":"max.mthly.avg.turb.summer.flow.strat.SIV","SIV7":"pH.range.SIV","SIV8":"min.DO.range.during.summer.SIV","SIV9":"max.mthly.avg.sal.SIV","SIV10":"max.midsummer.temp.pls.or.litt.ad.SIV","SIV11":"avg.weekly.wtr.temp.pls.litt.spwn.emb.SIV","SIV12":"max.early.summer.temp.pls.litt.fry.SIV","SIV13":"max.midsummer.temp.pls.litt.juv.SIV","SIV19":"reservoir.drawdown.spring.emb.SIV","SIV20":"subs.comp.pls.litt.spwn.emb.SIV","CF":"(SIV2*SIV3*SIV5*SIV7)^(1/4)","CC":"(SIV2*SIV3*(SIV4^2))^(1/4)","CWQ":"ifelse(SIV8<=0.4|((SIV10*SIV12*SIV13)^(1/3))<=0.4, min(SIV8,((SIV10*SIV12*SIV13)^(1/3)),(sum(SIV6,SIV7,(2*SIV8),SIV9,(2*((SIV10*SIV12*SIV13)^(1/3))),na.rm=TRUE))/length(na.omit(c(SIV6,SIV7,SIV8,SIV9,SIV10,SIV12,SIV13)))), (sum(SIV6,SIV7,(2*SIV8),SIV9,(2*((SIV10*SIV12*SIV13)^(1/3))),na.rm=TRUE))/length(na.omit(c(SIV6,SIV7,SIV8,SIV9,SIV10,SIV12,SIV13))))","CR":"prod(SIV11,SIV19,SIV20,na.rm=TRUE)^(1/(length(na.omit(c(SIV11,SIV19,SIV20)))))","Eqtn":"ifelse (CWQ<=0.4|CR <=0.4, min(CF,CC,CWQ,CR),(CF*CC*(CWQ^2)*CR)^(1/5))"} {"model":"bluegillRiv","submodel":"Riverine","species":"Lepomis macrochirus","geography":"Wherever bluegills occur in North America","ecosystem":"Fish Passage, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart and OE Maughan. 1982. Habitat Suitability Index Models: Bluegill. USFWS Report FWS/OBS-82/10.8. 26pp.","note":"DO levels refer to riverine pools in SIV8; SIV9 may be dropped from CWQ component if salinity is not a potential problem in the study area","website":"https://ecolibrary.sec.usace.army.mil/resource/d54cf654-add0-415d-dffe-26aa26845d9b","SIV1":"pl.area.avg.summer.flow.SIV","SIV2":"cov.pls.litt.area.summer.SIV","SIV3":"cov.aq.veg.SIV","SIV6":"max.mthly.avg.turb.summer.flow.strat.SIV","SIV7":"pH.range.SIV","SIV8":"min.DO.range.during.summer.SIV","SIV9":"max.mthly.avg.sal.SIV","SIV10":"max.midsummer.temp.pls.or.litt.ad.SIV","SIV11":"avg.weekly.wtr.temp.pls.litt.spwn.emb.SIV","SIV12":"max.early.summer.temp.pls.litt.fry.SIV","SIV13":"max.midsummer.temp.pls.litt.juv.SIV","SIV14":"avg.curr.vel.pls.backwtr.growing.ad.SIV","SIV15":"avg.curr.vel.spwn.emb.SIV","SIV16":"avg.curr.vel.pls.backwtr.early.summer.fry.SIV","SIV17":"avg.curr.vel.pls.backwtr.growing.juv.SIV","SIV18":"strm.gradient.repr.reach.SIV","SIV20":"subs.comp.pls.litt.spwn.emb.SIV","CF":"(SIV1*SIV2*SIV3)^(1/3)","CC":"((SIV2+SIV3)/2)","CWQ":"ifelse(SIV8<=0.4|((SIV10*SIV12*SIV13)^(1/3))<=0.4, min(SIV8,((SIV10*SIV12*SIV13)^(1/3)),(sum(SIV6,SIV7,(2*SIV8),SIV9,(2*((SIV10*SIV12*SIV13)^(1/3))),na.rm=TRUE))/length(na.omit(c(SIV6,SIV7,SIV8,SIV9,SIV10,SIV12,SIV13)))), (sum(SIV6,SIV7,(2*SIV8),SIV9,(2*((SIV10*SIV12*SIV13)^(1/3))),na.rm=TRUE))/length(na.omit(c(SIV6,SIV7,SIV8,SIV9,SIV10,SIV12,SIV13))))","CR":"(SIV11*SIV15*SIV20)^(1/3)","COT":"((((SIV14+SIV16+SIV17)/3)+SIV18)/2)","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4, min(CF,CC,CWQ,CR,COT),(CF*CC*(CWQ^2)*CR*COT)^(1/6))"} {"model":"bluegrouse","species":"Dendragapus obscurus","geography":"Coastal and interior","ecosystem":"Sooty grouse tend to occupy denser coniferous areas, while dusky grouse utilize conifers, aspen, and sagebrush-grass areas.","documentation":"Schroeder, R. L. 1984. Habitat suitability index models: Blue grouse. U.S. Fish Wildl. Servo FWS/OBS-82/10.81. 19 pp.","note":"Area weighting is excluded from the model","website":"https://ecolibrary.sec.usace.army.mil/resource/2ceb3bf1-9168-4eb9-f3dc-ab95d61571c6","SIV1":"can.cov.evergreen.aspen.trees.SIV","SIV2":"shrub.crown.cov.SIV","SIV3":"avg.h.shrub.can.SIV","SIV4":"herb.can.cov.SIV","SIV5":"avg.h.herb.can.cov.summer.SIV","SIV6":"diversity.herb.veg.per.cov.type.SIV","SIV7":"dist.to.forest.tree.savanna.cov.types.SIV","CCSF":"(SIV2*SIV3)^(1/2)","CCHF":"(SIV4*SIV5)^(1/2)*SIV6","CIN":"SIV7","Eqtn":"min(SIV1,CCSF*CIN,CCHF*CIN)"} {"model":"blueherringJuv","submodel":"Juvenile life stage model","species":"Alosa aestivalis ","geography":"Range from Nova Scotia to the St. Johns River, FL","ecosystem":"Estuary, Large River","documentation":"Pardue, G.B. 1983. Habitat Suitability index models: alewife and blueback herring. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.58. 22pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/c5eeab5d-aef5-484f-9959-77f29a104846","SIV3":"avg.zooplankton.per.liter.SIV","SIV4":"avg.sal.spring.summer.SIV","SIV5":"avg.wtr.temp.surface.SIV","CF":"SIV3","CWQ":"(SIV4*SIV5)^(1/2)","Eqtn":"min(CF, CWQ)"} {"model":"blueherringJuvAndSAEL","submodel":"Juvenile and spawning adult, egg, and larval (SAEL) models","species":"Alosa aestivalis ","geography":"Range from Nova Scotia to the St. Johns River, FL","ecosystem":"Estuary, Large River","documentation":"Pardue, G.B. 1983. Habitat Suitability index models: alewife and blueback herring. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.58. 22pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/c5eeab5d-aef5-484f-9959-77f29a104846","SIV1":"subs.type.SIV","SIV2":"avg.daily.wtr.temp.spwn.SIV","SIV3":"avg.zooplankton.per.liter.SIV","SIV4":"avg.sal.spring.summer.SIV","SIV5":"avg.wtr.temp.surface.SIV","CF":"SIV3","CC":"SIV1","Eqtn":"min(min(CC,SIV2),min(CF,((SIV4*SIV5)^(1/2))))"} {"model":"blueherringSAEL","submodel":"Spawning adult, egg, and larval (SAEL) model","species":"Alosa aestivalis ","geography":"Range from Nova Scotia to the St. Johns River, FL","ecosystem":"Estuary, Large River","documentation":"Pardue, G.B. 1983. Habitat Suitability index models: alewife and blueback herring. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.58. 22pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/c5eeab5d-aef5-484f-9959-77f29a104846","SIV1":"subs.type.SIV","SIV2":"avg.daily.wtr.temp.spwn.SIV","CC":"SIV1","CWQ":"SIV2","Eqtn":"min(CC, CWQ)"} {"model":"bluewingedtealBreeding","species":"Spatula discors","geography":"Central and eastern North Dakota, throughout the Prairie Pothole Region, and the Prairie Provinces of Canada.","ecosystem":"Fresh Wetland, Lake, Large River, Large Watershed/Major Restoration","documentation":"Sousa, P.J. 1985. Habitat suitability index models: Blue-winged teal (breeding). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.114). 36 pp.","note":"SIN converted to SIV5 to calculate overall HSI equation using user-calculated SINi and EOAN equations. Write result from EOAN as CN (nesting component, AKA SIN), equivalent to SIV5 (Equivalent opt area of nesting habitat/259 ha). SIV3 and SIV4 are used to calculate SIV5 but are not included in the ecorest equation.","website":"https://ecolibrary.sec.usace.army.mil/resource/e1e0bf70-5bf1-4842-ad6e-5f029e13cfd9","SIV1":"equiv.opt.num.wetlands.259ha.pairs.SIV","SIV2":"equiv.opt.area.wetlands.259ha.broods.SIV","SIV3":"avg.visual.obstruction.SIV","SIV4":"avg.dist.to.wetland.SIV","SIV5":"equiv.opt.area.nesting.hab.259ha.SIV","SIV6":"opt.num.wetlands.259ha.broods.SIV","SIV7":"equiv.opt.area.wetlands.259ha.broods.ha.SIV","CB":"(SIV6*SIV7)^(1/2)","CN":"SIV5","CP":"(SIV1*SIV2)^(1/2)","Eqtn":"min(CN,CB,CP)"} {"model":"bobcatLt4ha","submodel":"areas less than 4 ha","species":"Felis rufus","geography":"Piedmont and Coastal Plains regions of the Southeast","ecosystem":"Fresh Wetland","documentation":"Boyle, K.A., and T.T Fendley. 1987. Habitat suitability index models: bobcat. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.147). 16 pp.","note":"Follow manual instructions to calculate SIV3 with the PAOFS equation","website":"https://ecolibrary.sec.usace.army.mil/resource/cbb4a4c0-a8ed-470c-ad76-6a4b86788bd4","SIV1":"grass.shrub.veg.SIV","SIV2":"sample.area.grass.forb.veg.SIV","SIV3":"area.equiv.opt.food.SIV","CF":"min(SIV1,SIV2,0.6)","Eqtn":"(CF + SIV3)/2"} {"model":"bobcatMtoe4ha","submodel":"areas more than or equal to 4 ha","species":"Felis rufus","geography":"Piedmont and Coastal Plains regions of the Southeast","ecosystem":"Fresh Wetland","documentation":"Boyle, K.A., and T.T Fendley. 1987. Habitat suitability index models: bobcat. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.147). 16 pp.","note":"Follow manual instructions to calculate SIV3 with the PAOFS equation","website":"https://ecolibrary.sec.usace.army.mil/resource/cbb4a4c0-a8ed-470c-ad76-6a4b86788bd4","SIV1":"grass.shrub.veg.SIV","SIV2":"sample.area.grass.forb.veg.SIV","SIV3":"area.equiv.opt.food.SIV","CF":"min(SIV1, SIV2)","Eqtn":"(CF + SIV3)/2"} {"model":"brewerssparrow","species":"Spizella breweri ","geography":"Southwestern Yukon northwestern and interior British Columbia, west-central and southern Alberta, southwestern Saskatchewan and southwestern North Dakota south, generally east of the Cascades and the coast ranges, to eastern California, southern Nevada, central Arizona, northwestern New Mexico, central Colorado, southwestern Kansas, northwestern Nebraska, and southwestern South Dakota ","documentation":"Short, H.L. 1984. Habitat suitability index models: Brewer's sparrow. U.S. Fish Wildl. Serv. FWS/OBS-82 ","website":"https://ecolibrary.sec.usace.army.mil/resource/595dd56d-dccb-4f03-f622-7c26a9466229","SIV1":"hab.size.block.SIV","SIV2":"hab.block.terrain.SIV","SIV3":"terrestrial.subs.cov.rocks.SIV","SIV4":"shrub.species.SIV","SIV5":"shrub.can.cover.SIV","SIV6":"avg.shrub.h.SIV","CR":"(((SIV1*SIV2)*((SIV3*SIV5*SIV6)^(1/3))*SIV4)^(1/2))","Eqtn":"CR"} {"model":"brooktroutLacAllLtoe15C","submodel":"Brook trout, lacustrine, all life stages, less than or equal to 15 degrees Celsius","species":"Salvelinus fontinalis","geography":"Range covers eastern two-fifths of Canada northward to the Arctic Circle, the New England States, and southward through Pennsylvania, along the crest of the Appalachian mountains to northeastern Georgia. Western limits include Manitoba southward through the Great Lake States.","ecosystem":"Lakes","documentation":"Raleigh, R.F. 1982. Habitat suitability index models: Brook trout. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.24. 42 pp.","note":"To calculate the HSI for just one or several life stages, enter NA for unused SIVs and set \"exclude\" argument in HSIEqtn() equal to the component names you wish to exclude; Embryo component equation modified to exclude area weighted average; if determining Embryo component only, other component (COT) is not included; Original documentation outlines unequal compensatory and non-compensatory methods not included in the ecorest package","website":"https://ecolibrary.sec.usace.army.mil/resource/5043a6c7-294c-4b04-afc5-0bff612fd648","SIV1":"max.temp.ad.juv.fry.SIV","SIV2":"max.temp.emb.SIV","SIV3":"min.DO.growing.season.SIV","SIV5":"avg.vel.spwn.SIV","SIV7":"avg.size.subs.SIV","SIV13":"max.min.pH.SIV","SIV16":"fines.spwn.SIV","CWQ":"ifelse(SIV1<=0.4|SIV3<=0.4,min(SIV1,SIV3),((SIV1*SIV3*SIV13)^(1/3)))","CE":"min(SIV2,SIV3,((SIV5*SIV7*SIV16)^(1/3)))","Eqtn":"ifelse(is.na(CE),CWQ,((CWQ*CE)^(1/2)))"} {"model":"brooktroutLacAllMt15C","submodel":"Brook trout, lacustrine, all life stages, more than 15 degrees Celsius","species":"Salvelinus fontinalis","geography":"Range covers eastern two-fifths of Canada northward to the Arctic Circle, the New England States, and southward through Pennsylvania, along the crest of the Appalachian mountains to northeastern Georgia. Western limits include Manitoba southward through the Great Lake States.","ecosystem":"Lakes","documentation":"Raleigh, R.F. 1982. Habitat suitability index models: Brook trout. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.24. 42 pp.","note":"To calculate the HSI for just one or several life stages, enter NA for unused SIVs and set \"exclude\" argument in HSIEqtn() equal to the component names you wish to exclude; Embryo component equation modified to exclude area weighted average; if determining Embryo component only, other component (COT) is not included; Original documentation outlines unequal compensatory and non-compensatory methods not included in the ecorest package","website":"https://ecolibrary.sec.usace.army.mil/resource/5043a6c7-294c-4b04-afc5-0bff612fd648","SIV1":"max.temp.ad.juv.fry.SIV","SIV2":"max.temp.emb.SIV","SIV3":"min.DO.growing.season.SIV","SIV5":"avg.vel.spwn.SIV","SIV7":"avg.size.subs.SIV","SIV13":"max.min.pH.SIV","SIV16":"fines.spwn.SIV","CWQ":"ifelse(SIV1<=0.4|SIV3<=0.4,min(SIV1,SIV3),((SIV1*SIV3*SIV13)^(1/3)))","CE":"min(SIV2,SIV3,((SIV5*SIV7*SIV16)^(1/3)))","Eqtn":"ifelse(is.na(CE),CWQ,((CWQ*CE)^(1/2)))"} {"model":"brooktroutRivAllLtoe15CLtoe5mEC","submodel":"Brook trout, riverine, all life stages, less than or equal to 15 degrees Celsius, stream width less than or equal to 5m, equal component method","species":"Salvelinus fontinalis","geography":"Range covers eastern two-fifths of Canada northward to the Arctic Circle, the New England States, and southward through Pennsylvania, along the crest of the Appalachian mountains to northeastern Georgia. Western limits include Manitoba southward through the Great Lake States.","ecosystem":"Large River, Stream","documentation":"Raleigh, R.F. 1982. Habitat suitability index models: Brook trout. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.24. 42 pp.","note":"To calculate the HSI for just one or several life stages, enter NA for unused SIVs and set \"exclude\" argument in HSIEqtn() equal to the component names you wish to exclude; Embryo component equation modified to exclude area weighted average; if determining Embryo component only, other component (COT) is not included; Original documentation outlines unequal compensatory and non-compensatory methods not included in the ecorest package","website":"https://ecolibrary.sec.usace.army.mil/resource/5043a6c7-294c-4b04-afc5-0bff612fd648","SIV1":"max.temp.ad.juv.fry.SIV","SIV2":"max.temp.emb.SIV","SIV3":"min.DO.growing.season.SIV","SIV4":"avg.thalweg.d.SIV","SIV5":"avg.vel.spwn.SIV","SIV6":"instream.cov.pct.juv.SIV","SIV6B":"instream.cov.pct.adult.SIV","SIV7":"avg.size.subs.SIV","SIV8":"subs.size.class.winter.SIV","SIV9":"dominant.subs.rffl.run.SIV","SIV10":"pls.late.growing.season.SIV","SIV11":"veg.pct.SIV","SIV12":"rooted.veg.SIV","SIV13":"max.min.pH.SIV","SIV14":"base.flow.late.summer.SIV","SIV15":"pl.aug.to.oct.SIV","SIV16":"fines.spwn.SIV","SIV16B":"fines.rffl.run.SIV","SIV17":"strm.area.shaded.SIV","COT":"((((((SIV9*SIV16B)^(1/2))+SIV11)/2)*(prod(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17),na.rm=TRUE)^(1/length(na.omit(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17))))))^(1/2))","CE":"min(SIV2,SIV3,((SIV5*SIV7*SIV16)^(1/3)))","CJ":"ifelse(SIV6<=0.4|SIV10<=0.4|SIV15<=0.4,min(SIV4,SIV10,SIV15),((SIV6+SIV10+SIV15)/3))","CFr":"ifelse(SIV10<=0.4|((SIV8*SIV16B)^(1/2))<=0.4,min(SIV10,SIV8,SIV16B),((SIV10*((SIV8*SIV16B)^(1/2)))^(1/2)))","CA":"ifelse(SIV4<=0.4|((SIV10*SIV15)^(1/2))<=0.4,min(SIV4,((SIV10*SIV15)^(1/2))),ifelse(SIV6B>((SIV10*SIV15)^(1/2)),((SIV4*SIV6B*((SIV10*SIV15)^(1/2)))^(1/3)),((SIV4*((SIV10*SIV15)^(1/2)))^(1/2))))","Eqtn":"(prod(CA,CJ,CFr,CE,COT,na.rm=TRUE)^(1/length(na.omit(c(CA,CJ,CFr,CE,COT)))))"} {"model":"brooktroutRivAllLtoe15CMt5mEC","submodel":"Brook trout, riverine, all life stages, less than or equal to 15 degrees Celsius, stream width more than 5m, equal component method","species":"Salvelinus fontinalis","geography":"Range covers eastern two-fifths of Canada northward to the Arctic Circle, the New England States, and southward through Pennsylvania, along the crest of the Appalachian mountains to northeastern Georgia. Western limits include Manitoba southward through the Great Lake States.","ecosystem":"Large River, Stream","documentation":"Raleigh, R.F. 1982. Habitat suitability index models: Brook trout. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.24. 42 pp.","note":"To calculate the HSI for just one or several life stages, enter NA for unused SIVs and set \"exclude\" argument in HSIEqtn() equal to the component names you wish to exclude; Embryo component equation modified to exclude area weighted average; if determining Embryo component only, other component (COT) is not included; Original documentation outlines unequal compensatory and non-compensatory methods not included in the ecorest package","website":"https://ecolibrary.sec.usace.army.mil/resource/5043a6c7-294c-4b04-afc5-0bff612fd648","SIV1":"max.temp.ad.juv.fry.SIV","SIV2":"max.temp.emb.SIV","SIV3":"min.DO.growing.season.SIV","SIV4":"avg.thalweg.d.SIV","SIV5":"avg.vel.spwn.SIV","SIV6":"instream.cov.pct.juv.SIV","SIV6B":"instream.cov.pct.adult.SIV","SIV7":"avg.size.subs.SIV","SIV8":"subs.size.class.winter.SIV","SIV9":"dominant.subs.rffl.run.SIV","SIV10":"pls.late.growing.season.SIV","SIV11":"veg.pct.SIV","SIV12":"rooted.veg.SIV","SIV13":"max.min.pH.SIV","SIV14":"base.flow.late.summer.SIV","SIV15":"pl.aug.to.oct.SIV","SIV16":"fines.spwn.SIV","SIV16B":"fines.rffl.run.SIV","SIV17":"strm.area.shaded.SIV","COT":"((((((SIV9*SIV16B)^(1/2))+SIV11)/2)*(prod(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17),na.rm=TRUE)^(1/length(na.omit(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17))))))^(1/2))","CE":"min(SIV2,SIV3,((SIV5*SIV7*SIV16)^(1/3)))","CJ":"ifelse(SIV6<=0.4|SIV10<=0.4|SIV15<=0.4,min(SIV4,SIV10,SIV15),((SIV6+SIV10+SIV15)/3))","CFr":"ifelse(SIV10<=0.4|((SIV8*SIV16B)^(1/2))<=0.4,min(SIV10,SIV8,SIV16B),((SIV10*((SIV8*SIV16B)^(1/2)))^(1/2)))","CA":"ifelse(SIV4<=0.4|((SIV10*SIV15)^(1/2))<=0.4,min(SIV4,((SIV10*SIV15)^(1/2))),ifelse(SIV6B>((SIV10*SIV15)^(1/2)),((SIV4*SIV6B*((SIV10*SIV15)^(1/2)))^(1/3)),((SIV4*((SIV10*SIV15)^(1/2)))^(1/2))))","Eqtn":"(prod(CA,CJ,CFr,CE,COT,na.rm=TRUE)^(1/length(na.omit(c(CA,CJ,CFr,CE,COT)))))"} {"model":"brooktroutRivAllMt15CLtoe5mEC","submodel":"Brook trout, riverine, all life stages, more than 15 degrees Celsius, stream width less than or equal to 5m, equal component method","species":"Salvelinus fontinalis","geography":"Range covers eastern two-fifths of Canada northward to the Arctic Circle, the New England States, and southward through Pennsylvania, along the crest of the Appalachian mountains to northeastern Georgia. Western limits include Manitoba southward through the Great Lake States.","ecosystem":"Large River, Stream","documentation":"Raleigh, R.F. 1982. Habitat suitability index models: Brook trout. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.24. 42 pp.","note":"To calculate the HSI for just one or several life stages, enter NA for unused SIVs and set \"exclude\" argument in HSIEqtn() equal to the component names you wish to exclude; Embryo component equation modified to exclude area weighted average; if determining Embryo component only, other component (COT) is not included; Original documentation outlines unequal compensatory and non-compensatory methods not included in the ecorest package","website":"https://ecolibrary.sec.usace.army.mil/resource/5043a6c7-294c-4b04-afc5-0bff612fd648","SIV1":"max.temp.ad.juv.fry.SIV","SIV2":"max.temp.emb.SIV","SIV3":"min.DO.growing.season.SIV","SIV4":"avg.thalweg.d.SIV","SIV5":"avg.vel.spwn.SIV","SIV6":"instream.cov.pct.juv.SIV","SIV6B":"instream.cov.pct.adult.SIV","SIV7":"avg.size.subs.SIV","SIV8":"subs.size.class.winter.SIV","SIV9":"dominant.subs.rffl.run.SIV","SIV10":"pls.late.growing.season.SIV","SIV11":"veg.pct.SIV","SIV12":"rooted.veg.SIV","SIV13":"max.min.pH.SIV","SIV14":"base.flow.late.summer.SIV","SIV15":"pl.aug.to.oct.SIV","SIV16":"fines.spwn.SIV","SIV16B":"fines.rffl.run.SIV","SIV17":"strm.area.shaded.SIV","COT":"((((((SIV9*SIV16B)^(1/2))+SIV11)/2)*(prod(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17),na.rm=TRUE)^(1/length(na.omit(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17))))))^(1/2))","CE":"min(SIV2,SIV3,((SIV5*SIV7*SIV16)^(1/3)))","CJ":"ifelse(SIV6<=0.4|SIV10<=0.4|SIV15<=0.4,min(SIV4,SIV10,SIV15),((SIV6+SIV10+SIV15)/3))","CFr":"ifelse(SIV10<=0.4|((SIV8*SIV16B)^(1/2))<=0.4,min(SIV10,SIV8,SIV16B),((SIV10*((SIV8*SIV16B)^(1/2)))^(1/2)))","CA":"ifelse(SIV4<=0.4|((SIV10*SIV15)^(1/2))<=0.4,min(SIV4,((SIV10*SIV15)^(1/2))),ifelse(SIV6B>((SIV10*SIV15)^(1/2)),((SIV4*SIV6B*((SIV10*SIV15)^(1/2)))^(1/3)),((SIV4*((SIV10*SIV15)^(1/2)))^(1/2))))","Eqtn":"(prod(CA,CJ,CFr,CE,COT,na.rm=TRUE)^(1/length(na.omit(c(CA,CJ,CFr,CE,COT)))))"} {"model":"brooktroutRivAllMt15CMt5mEC","submodel":"Brook trout, riverine, all life stages, more than 15 degrees Celsius, stream width more than 5m, equal component method","species":"Salvelinus fontinalis","geography":"Range covers eastern two-fifths of Canada northward to the Arctic Circle, the New England States, and southward through Pennsylvania, along the crest of the Appalachian mountains to northeastern Georgia. Western limits include Manitoba southward through the Great Lake States.","ecosystem":"Large River, Stream","documentation":"Raleigh, R.F. 1982. Habitat suitability index models: Brook trout. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.24. 42 pp.","note":"To calculate the HSI for just one or several life stages, enter NA for unused SIVs and set \"exclude\" argument in HSIEqtn() equal to the component names you wish to exclude; Embryo component equation modified to exclude area weighted average; if determining Embryo component only, other component (COT) is not included; Original documentation outlines unequal compensatory and non-compensatory methods not included in the ecorest package","website":"https://ecolibrary.sec.usace.army.mil/resource/5043a6c7-294c-4b04-afc5-0bff612fd648","SIV1":"max.temp.ad.juv.fry.SIV","SIV2":"max.temp.emb.SIV","SIV3":"min.DO.growing.season.SIV","SIV4":"avg.thalweg.d.SIV","SIV5":"avg.vel.spwn.SIV","SIV6":"instream.cov.pct.juv.SIV","SIV6B":"instream.cov.pct.adult.SIV","SIV7":"avg.size.subs.SIV","SIV8":"subs.size.class.winter.SIV","SIV9":"dominant.subs.rffl.run.SIV","SIV10":"pls.late.growing.season.SIV","SIV11":"veg.pct.SIV","SIV12":"rooted.veg.SIV","SIV13":"max.min.pH.SIV","SIV14":"base.flow.late.summer.SIV","SIV15":"pl.aug.to.oct.SIV","SIV16":"fines.spwn.SIV","SIV16B":"fines.rffl.run.SIV","SIV17":"strm.area.shaded.SIV","COT":"((((((SIV9*SIV16B)^(1/2))+SIV11)/2)*(prod(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17),na.rm=TRUE)^(1/length(na.omit(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17))))))^(1/2))","CE":"min(SIV2,SIV3,((SIV5*SIV7*SIV16)^(1/3)))","CJ":"ifelse(SIV6<=0.4|SIV10<=0.4|SIV15<=0.4,min(SIV4,SIV10,SIV15),((SIV6+SIV10+SIV15)/3))","CFr":"ifelse(SIV10<=0.4|((SIV8*SIV16B)^(1/2))<=0.4,min(SIV10,SIV8,SIV16B),((SIV10*((SIV8*SIV16B)^(1/2)))^(1/2)))","CA":"ifelse(SIV4<=0.4|((SIV10*SIV15)^(1/2))<=0.4,min(SIV4,((SIV10*SIV15)^(1/2))),ifelse(SIV6B>((SIV10*SIV15)^(1/2)),((SIV4*SIV6B*((SIV10*SIV15)^(1/2)))^(1/3)),((SIV4*((SIV10*SIV15)^(1/2)))^(1/2))))","Eqtn":"(prod(CA,CJ,CFr,CE,COT,na.rm=TRUE)^(1/length(na.omit(c(CA,CJ,CFr,CE,COT)))))"} {"model":"brownshrimpNGulfofMex","submodel":"North Gulf of Mexico","species":"Penaeus aztecus","geography":"Estuaries and Bays of northern Gulf of Mexico, from Tampa Bay, Florida, to Corpus Christi Bay, Texas. ","ecosystem":"Estuary","documentation":"Turner, R.E., and M.S. Brody. Habitat suitability index models : northern Gulf of Mexico brown shrimp and white shrimp. U.S. Dept. of Int. Fish Wildl. Serv , FWS/OBS-82/l0.54. 24 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/d12b3429-dae4-4931-a384-caa039229431","SIV1":"estuary.veg.SIV","SIV2":"subs.comp.SIV","SIV3":"avg.sal.SIV","SIV4":"wtr.temp.SIV","CCF":"(((SIV1^2)*SIV2)^(1/3))","CWQ":"(SIV3*SIV4)^(1/2)","Eqtn":"min(CCF, CWQ)"} {"model":"brownthrasher","species":"Toxostoma rufum","geography":"From southeastern Alberta, central Saskatchewan, southern Manitoba, southern Ontario, southwestern Quebec, Vermont, New Hampshire, southwestern Main and New Brunswick, south to east-central Texas, the Gulf coast and southern Florida, and west to western Montana, eastern Wyoming, eastern Colorado, northeastern New Mexico and western Kansas.","ecosystem":"Forests, shrublands, grasslands, forblands, orchards, pastures, savannahs, and haylands","documentation":"Cade, B.S. 1986. Habitat suitability index models: Brown thrasher. U.S. Fish Wild. Serv. Biol. Rep. 82(10.118). 14 pp.","note":"Area weighted average not considered in model.","website":"https://ecolibrary.sec.usace.army.mil/resource/425726c8-59eb-498d-c930-b74fc11bfcd7","SIV1":"woody.stem.density.thousands.SIV","SIV2":"tree.can.cov.SIV","SIV3":"gs.litter.cov.SIV","CCRF":"SIV1*SIV2*SIV3","Eqtn":"CCRF"} {"model":"browntroutCompLtoe10C","submodel":"Compensatory limiting factor model for riverine or lacustrine habitats with temperatures less than or equal to 10 degrees Celsius","species":"Salmo trutta","geography":"Entire North American range of brown trout ","ecosystem":"Dam Removal, Environmental Dredging, Fish Passage, Lake, Large River, Large Watershed/Major Restoration, Stream","documentation":"Raleigh, RF, LD Zuckerman, and PC Nelson. 1986. Habitat suitability index models and instream flow suitability curves: Brown trout, revised. US Fish and Wildlife Service. 82(10.124) 65 pp","note":"SIV8, SIV10, SIV11, SIV16, and SIV17 are optional variables. Enter NA for respective SIVs to exclude them from HSIeqtn(); weighted averages are not considered for gravel classes in SIV6.","website":"https://ecolibrary.sec.usace.army.mil/resource/f99ca1c7-b4ac-4cf7-f07d-2f17290376fa","SIV1":"max.wtr.temp.warmest.ad.Juv.SIV","SIV1B":"max.wtr.temp.warmest.fry.SIV","SIV2":"max.wtr.temp.emb.dev.SIV","SIV3":"min.DO.late.grow.seas.low.wtr.emb.dev.SIV","SIV4":"avg.vel.spwn.areas.spwn.emb.dev.SIV","SIV5":"pct.cov.late.grwn.seas.low.wtr.mtoe15cm.d.juv.SIV","SIV5B":"pct.cov.late.grwn.seas.low.wtr.mtoe15cm.d.ad.SIV","SIV6":"pct.area.study.gravel.class.A.SIV","SIV6B":"pct.area.study.gravel.class.B.SIV","SIV7":"pct.subs.class.winter.escape.cov.fry.juv.SIV","SIV8":"dom.subs.riffl.run.SIV","SIV9":"pct.pls.late.grow.sea.low.wtr.SIV","SIV10":"avg.pct.veg.strmbank.allochtonous.SIV","SIV11":"avg.pct.rooted.veg.SIV","SIV12":"annual.max.min.pH.SIV","SIV13":"avg.annual.baseflow.regime.SIV","SIV14":"pl.class.rating.late.grwn.lowflow.SIV","SIV15":"pct.fines.spwn.areas.avg.summer.flow.SIV","SIV15B":"pct.fines.rffl.run.areas.avg.summer.flow.SIV","SIV16":"pct.strm.area.shaded.SIV","SIV17":"lvls.late.summer.N.SIV","SIV18":"avg.annual.peak.flow.SIV","COT":"min(SIV1,SIV3,SIV12,SIV13,SIV8,SIV10,SIV15B,SIV11,SIV16,SIV17,SIV18,na.rm=T)","CE":"ifelse(SIV4<=0.3|((SIV6+SIV6B)/2)<=0.3|SIV15<=0.3,min(SIV2,SIV3,SIV4,((SIV6+SIV6B)/2),SIV15),ifelse(SIV4==((SIV6+SIV6B)/2) & SIV4==SIV15,min(SIV2,SIV3,((SIV4+((SIV6+SIV6B)/2)+SIV15)/3),((SIV4+((SIV6+SIV6B)/2)+SIV15)/3),((SIV4+((SIV6+SIV6B)/2)+SIV15)/3)),ifelse(SIV4==((SIV6+SIV6B)/2) & SIV45km from study area (SIV4)","species":"Semotilus atromaculatus","geography":"Applicable to any riverine environment from the Rocky Mountains to the Atlantic Coast and from the Gulf of Mexico to southern Manitoba and Quebec.","ecosystem":"Stream","documentation":"McMahon, T.E. 1982. Habitat suitability index models: Creek chub. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.4 23 pp.","note":"SIV4 equations substituted directly where SIV4 appears in component equations. Hence, SIV4 has been eliminated from HSImetadata and HSImodels. See documentation for suitability graph for SIV4","website":"https://ecolibrary.sec.usace.army.mil/resource/970f46b1-07f2-47d1-a908-1e149928055c","SIV1":"pct.pls.avg.summer.flow.SIV","SIV2":"dom.pl.rating.SIV","SIV3":"summer.cov.pls.runs.SIV","SIV5":"strm.gradient.SIV","SIV6":"avg.strm.w.in.avg.summer.flow.SIV","SIV7":"max.mthly.turb.SIV","SIV8":"pH.range.SIV","SIV9":"veg.index.SIV","SIV10":"food.production.potential.SIV","SIV11":"avg.wtr.temp.ad.juv.fry.SIV","SIV12":"min.DO.summer.SIV","SIV13":"avg.curr.vel.summer.SIV","SIV14":"avg.wtr.temp.spring.SIV","SIV15":"min.DO.spring.SIV","SIV16":"avg.curr.vel.apr.to.jun.SIV","SIV17":"subs.type.rffl.run.spwn.SIV","SIV18":"vel.edges.fry.SIV","SIV19":"avg.strm.shaded.SIV","SIV20":"avg.max.strm.d.avg.summer.flow.SIV","CF":"(SIV9+SIV10)/2","CC":"ifelse(is.nan((SIV1*SIV2*SIV3*(((SIV1*SIV2*SIV3)^(1/3))-0.2)*SIV13*SIV18)^(1/6)),0,(SIV1*SIV2*SIV3*(((SIV1*SIV2*SIV3)^(1/3))-0.2)*SIV13*SIV18)^(1/6))","CWQ":"ifelse(SIV8<=0.4|SIV11<=0.4|SIV12<=0.4,min(SIV8,SIV11,SIV12,(SIV7*SIV8*SIV11*SIV12*SIV19)^(1/5)),(SIV7*SIV8*SIV11*SIV12*SIV19)^(1/5))","CR":"ifelse(SIV14<=0.4|SIV15<=0.4,min(SIV14,SIV15,(SIV14*SIV15*SIV16*(SIV17^2))^(1/5)),(SIV14*SIV15*SIV16*(SIV17^2))^(1/5))","COT":"(SIV5+SIV6+SIV20)/3","Eqtn":"ifelse(CC<=0.4|CWQ<=0.4|CR<=0.4,min(CC,CWQ,CR,(CF*CC*CWQ*CR*COT)^(1/5)),(CF*CC*CWQ*CR*COT)^(1/5))"} {"model":"creekchubRivLargerStrmDistWithin5km","submodel":"Riverine if access to larger water streams is within 5km from study area (SIV4)","species":"Semotilus atromaculatus","geography":"Applicable to any riverine environment from the Rocky Mountains to the Atlantic Coast and from the Gulf of Mexico to southern Manitoba and Quebec.","ecosystem":"Stream","documentation":"McMahon, T.E. 1982. Habitat suitability index models: Creek chub. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.4 23 pp.","note":"SIV4 equations substituted directly where SIV4 appears in component equations. Do not include a number as part of user input. Instead, place NA","website":"https://ecolibrary.sec.usace.army.mil/resource/970f46b1-07f2-47d1-a908-1e149928055c","SIV1":"pct.pls.avg.summer.flow.SIV","SIV2":"dom.pl.rating.SIV","SIV3":"summer.cov.pls.runs.SIV","SIV5":"strm.gradient.SIV","SIV6":"avg.strm.w.in.avg.summer.flow.SIV","SIV7":"max.mthly.turb.SIV","SIV8":"pH.range.SIV","SIV9":"veg.index.SIV","SIV10":"food.production.potential.SIV","SIV11":"avg.wtr.temp.ad.juv.fry.SIV","SIV12":"min.DO.summer.SIV","SIV13":"avg.curr.vel.summer.SIV","SIV14":"avg.wtr.temp.spring.SIV","SIV15":"min.DO.spring.SIV","SIV16":"avg.curr.vel.apr.to.jun.SIV","SIV17":"subs.type.rffl.run.spwn.SIV","SIV18":"vel.edges.fry.SIV","SIV19":"avg.strm.shaded.SIV","SIV20":"avg.max.strm.d.avg.summer.flow.SIV","CF":"(SIV9+SIV10)/2","CC":"(SIV1*SIV2*SIV3*min((((SIV1*SIV2*SIV3)^(1/3))+0.2),1.0)*SIV13*SIV18)^(1/6)","CWQ":"ifelse(SIV8<=0.4|SIV11<=0.4|SIV12<=0.4,min(SIV8,SIV11,SIV12,(SIV7*SIV8*SIV11*SIV12*SIV19)^(1/5)),(SIV7*SIV8*SIV11*SIV12*SIV19)^(1/5))","CR":"ifelse(SIV14<=0.4|SIV15<=0.4,min(SIV14,SIV15,(SIV14*SIV15*SIV16*(SIV17^2))^(1/5)),(SIV14*SIV15*SIV16*(SIV17^2))^(1/5))","COT":"(SIV5+SIV6+SIV20)/3","Eqtn":"ifelse(CC<=0.4|CWQ<=0.4|CR<=0.4,min(CC,CWQ,CR,(CF*CC*CWQ*CR*COT)^(1/5)),(CF*CC*CWQ*CR*COT)^(1/5))"} {"model":"cutthroatLacGenLtoe15C","submodel":"General lacustrine cutthroat trout habitat in lakes when temperatures are less than or equal to 15 degrees Celsius","species":"Salmo clarki","geography":"Coastal cutthroat in coastal streams from Prince William Sound, Alaska to the Eel River in California; mountain cutthroat in upper Columbia and Fraser River drainages of British Columbia; west slope cutthroat in upper Columbia, Salmon, Clearwater, South Saskatchewan and upper Missouri drainages of Montana and Idaho; an undescribed subspecies in the Alvord basin, Oregon; Lahonton cutthroat, Pauite cutthroat, an undescribed subspecies in the Humboldt River drainage of the Lahontan basin of Nevada and California; Yellowstone cutthroat in the Yellowstone drainage of Wyoming and Montana and the Snake River drainage of Wyoming, Idaho, and Nevada; an undescribed subspecies (fine spotted) in the upper Snake River, Wyoming; Bonneville cutthroat in the Bonneville basin in Utah, Nevada, Idaho, and Wyoming; Colorado River cutthroat in the Colorado River drainage in Wyoming, Utah, New Mexico, and Colorado; greenback cutthroat in the South Platte and Arkansas River systems; and Rio Grande cutthroat in the Rio Grande River drainage of Colorado and New Mexico.","ecosystem":"Lake, Large River, Stream","documentation":"Hickman, T., and R.F. Raleigh. 1982. Habitat suitability index models: Cutthroat trout. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.5. 38 pp.","note":"Embryo component equation modified to exclude area weighting; If only lacustrine habitat is evaluated, HSI=CWQ","website":"https://ecolibrary.sec.usace.army.mil/resource/8f46d0ea-c31c-4a41-d41f-3ad4f6aee969","SIV1":"avg.max.wtr.temp.ad.juv.fry.SIV","SIV2":"avg.max.temp.emb.SIV","SIV3":"avg.min.DO.adult.juv.fry.emb.SIV","SIV5":"avg.vel.spwn.areas.cmps.SIV","SIV7":"avg.subs.size.SIV","SIV13":"annual.max.or.min.pH.SIV","SIV16":"fines.spawning.SIV","CWQ":"ifelse(SIV1<=0.4|SIV3<=0.4,min(SIV1,SIV3),(SIV1*SIV3*SIV13)^(1/3))","CE":"min(SIV2,SIV3,(SIV5*SIV7*SIV16)^(1/3))","Eqtn":"ifelse(is.na(CE),CWQ,(CWQ*CE)^(1/2))"} {"model":"cutthroatLacGenMt15C","submodel":"General lacustrine cutthroat trout habitat in lakes when temperatures are more than 15 degrees Celsius","species":"Salmo clarki","geography":"Coastal cutthroat in coastal streams from Prince William Sound, Alaska to the Eel River in California; mountain cutthroat in upper Columbia and Fraser River drainages of British Columbia; west slope cutthroat in upper Columbia, Salmon, Clearwater, South Saskatchewan and upper Missouri drainages of Montana and Idaho; an undescribed subspecies in the Alvord basin, Oregon; Lahonton cutthroat, Pauite cutthroat, an undescribed subspecies in the Humboldt River drainage of the Lahontan basin of Nevada and California; Yellowstone cutthroat in the Yellowstone drainage of Wyoming and Montana and the Snake River drainage of Wyoming, Idaho, and Nevada; an undescribed subspecies (fine spotted) in the upper Snake River, Wyoming; Bonneville cutthroat in the Bonneville basin in Utah, Nevada, Idaho, and Wyoming; Colorado River cutthroat in the Colorado River drainage in Wyoming, Utah, New Mexico, and Colorado; greenback cutthroat in the South Platte and Arkansas River systems; and Rio Grande cutthroat in the Rio Grande River drainage of Colorado and New Mexico.","ecosystem":"Lake, Large River, Stream","documentation":"Hickman, T., and R.F. Raleigh. 1982. Habitat suitability index models: Cutthroat trout. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.5. 38 pp.","note":"Embryo component equation modified to exclude area weighting; If only lacustrine habitat is evaluated, HSI=CWQ","website":"https://ecolibrary.sec.usace.army.mil/resource/8f46d0ea-c31c-4a41-d41f-3ad4f6aee969","SIV1":"avg.max.wtr.temp.ad.juv.fry.SIV","SIV2":"avg.max.temp.emb.SIV","SIV3":"avg.min.DO.adult.juv.fry.emb.SIV","SIV5":"avg.vel.spwn.areas.cmps.SIV","SIV7":"avg.subs.size.SIV","SIV13":"annual.max.or.min.pH.SIV","SIV16":"fines.spawning.SIV","CWQ":"ifelse(SIV1<=0.4|SIV3<=0.4,min(SIV1,SIV3),(SIV1*SIV3*SIV13)^(1/3))","CE":"min(SIV2,SIV3,(SIV5*SIV7*SIV16)^(1/3))","Eqtn":"ifelse(is.na(CE),CWQ,(CWQ*CE)^(1/2))"} {"model":"cutthroatLacLahontanLtoe15C","submodel":"Lahontan basin lacustrine cutthroat trout habitat in lakes when temperatures are less than or equal to 15 degrees Celsius","species":"Salmo clarki","geography":"Coastal cutthroat in coastal streams from Prince William Sound, Alaska to the Eel River in California; mountain cutthroat in upper Columbia and Fraser River drainages of British Columbia; west slope cutthroat in upper Columbia, Salmon, Clearwater, South Saskatchewan and upper Missouri drainages of Montana and Idaho; an undescribed subspecies in the Alvord basin, Oregon; Lahonton cutthroat, Pauite cutthroat, an undescribed subspecies in the Humboldt River drainage of the Lahontan basin of Nevada and California; Yellowstone cutthroat in the Yellowstone drainage of Wyoming and Montana and the Snake River drainage of Wyoming, Idaho, and Nevada; an undescribed subspecies (fine spotted) in the upper Snake River, Wyoming; Bonneville cutthroat in the Bonneville basin in Utah, Nevada, Idaho, and Wyoming; Colorado River cutthroat in the Colorado River drainage in Wyoming, Utah, New Mexico, and Colorado; greenback cutthroat in the South Platte and Arkansas River systems; and Rio Grande cutthroat in the Rio Grande River drainage of Colorado and New Mexico.","ecosystem":"Lake, Large River, Stream","documentation":"Hickman, T., and R.F. Raleigh. 1982. Habitat suitability index models: Cutthroat trout. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.5. 38 pp.","note":"Embryo component equation modified to exclude area weighting; If only lacustrine habitat is evaluated, HSI=CWQ","website":"https://ecolibrary.sec.usace.army.mil/resource/8f46d0ea-c31c-4a41-d41f-3ad4f6aee969","SIV1":"avg.max.wtr.temp.ad.juv.fry.SIV","SIV2":"avg.max.temp.emb.SIV","SIV3":"avg.min.DO.adult.juv.fry.emb.SIV","SIV5":"avg.vel.spwn.areas.cmps.SIV","SIV7":"avg.subs.size.SIV","SIV13":"annual.max.or.min.pH.SIV","SIV16":"fines.spawning.SIV","CWQ":"ifelse(SIV1<=0.4|SIV3<=0.4,min(SIV1,SIV3),(SIV1*SIV3*SIV13)^(1/3))","CE":"min(SIV2,SIV3,(SIV5*SIV7*SIV16)^(1/3))","Eqtn":"ifelse(is.na(CE),CWQ,(CWQ*CE)^(1/2))"} {"model":"cutthroatLacLahontanMt15C","submodel":"Lahontan basin lacustrine cutthroat trout habitat in lakes when temperatures are more than 15 degrees Celsius","species":"Salmo clarki","geography":"Coastal cutthroat in coastal streams from Prince William Sound, Alaska to the Eel River in California; mountain cutthroat in upper Columbia and Fraser River drainages of British Columbia; west slope cutthroat in upper Columbia, Salmon, Clearwater, South Saskatchewan and upper Missouri drainages of Montana and Idaho; an undescribed subspecies in the Alvord basin, Oregon; Lahonton cutthroat, Pauite cutthroat, an undescribed subspecies in the Humboldt River drainage of the Lahontan basin of Nevada and California; Yellowstone cutthroat in the Yellowstone drainage of Wyoming and Montana and the Snake River drainage of Wyoming, Idaho, and Nevada; an undescribed subspecies (fine spotted) in the upper Snake River, Wyoming; Bonneville cutthroat in the Bonneville basin in Utah, Nevada, Idaho, and Wyoming; Colorado River cutthroat in the Colorado River drainage in Wyoming, Utah, New Mexico, and Colorado; greenback cutthroat in the South Platte and Arkansas River systems; and Rio Grande cutthroat in the Rio Grande River drainage of Colorado and New Mexico.","ecosystem":"Lake, Large River, Stream","documentation":"Hickman, T., and R.F. Raleigh. 1982. Habitat suitability index models: Cutthroat trout. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.5. 38 pp.","note":"Embryo component equation modified to exclude area weighting; If only lacustrine habitat is evaluated, HSI=CWQ","website":"https://ecolibrary.sec.usace.army.mil/resource/8f46d0ea-c31c-4a41-d41f-3ad4f6aee969","SIV1":"avg.max.wtr.temp.ad.juv.fry.SIV","SIV2":"avg.max.temp.emb.SIV","SIV3":"avg.min.DO.adult.juv.fry.emb.SIV","SIV5":"avg.vel.spwn.areas.cmps.SIV","SIV7":"avg.subs.size.SIV","SIV13":"annual.max.or.min.pH.SIV","SIV16":"fines.spawning.SIV","CWQ":"ifelse(SIV1<=0.4|SIV3<=0.4,min(SIV1,SIV3),(SIV1*SIV3*SIV13)^(1/3))","CE":"min(SIV2,SIV3,(SIV5*SIV7*SIV16)^(1/3))","Eqtn":"ifelse(is.na(CE),CWQ,(CWQ*CE)^(1/2))"} {"model":"cutthroatRivGenLtoe15CLtoe5m","submodel":"General riverine cutthroat trout habitat in streams when temperatures are less than or equal to 15 degrees Celsius and widths are less than or equal to 5m; equal component method","species":"Salmo clarki","geography":"Coastal cutthroat in coastal streams from Prince William Sound, Alaska to the Eel River in California; mountain cutthroat in upper Columbia and Fraser River drainages of British Columbia; west slope cutthroat in upper Columbia, Salmon, Clearwater, South Saskatchewan and upper Missouri drainages of Montana and Idaho; an undescribed subspecies in the Alvord basin, Oregon; Lahonton cutthroat, Pauite cutthroat, an undescribed subspecies in the Humboldt River drainage of the Lahontan basin of Nevada and California; Yellowstone cutthroat in the Yellowstone drainage of Wyoming and Montana and the Snake River drainage of Wyoming, Idaho, and Nevada; an undescribed subspecies (fine spotted) in the upper Snake River, Wyoming; Bonneville cutthroat in the Bonneville basin in Utah, Nevada, Idaho, and Wyoming; Colorado River cutthroat in the Colorado River drainage in Wyoming, Utah, New Mexico, and Colorado; greenback cutthroat in the South Platte and Arkansas River systems; and Rio Grande cutthroat in the Rio Grande River drainage of Colorado and New Mexico.","ecosystem":"Lake, Large River, Stream","documentation":"Hickman, T., and R.F. Raleigh. 1982. Habitat suitability index models: Cutthroat trout. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.5. 38 pp.","note":"To exclude life stages, enter life stage component(s) you wish to exclude in \"exclude\" argument in HSIeqtn(). If determining HSI for embryo only, exclude COT component; otherwise, all other life stages should also account for COT in HSI determintaion; Embryo component equation modified to exclude area weighting; SIV12 and SIV17 are optional variables; to exclude, enter NA","website":"https://ecolibrary.sec.usace.army.mil/resource/8f46d0ea-c31c-4a41-d41f-3ad4f6aee969","SIV1":"avg.max.wtr.temp.ad.juv.fry.SIV","SIV2":"avg.max.temp.emb.SIV","SIV3":"avg.min.DO.adult.juv.fry.emb.SIV","SIV4":"avg.thalweg.d.SIV","SIV5":"avg.vel.spwn.areas.cmps.SIV","SIV6":"cov.pct.juv.SIV","SIV6B":"cov.pct.ad.SIV","SIV7":"avg.subs.size.SIV","SIV8":"subs.size.class.10.to.40cm.SIV","SIV9":"dominant.subs.type.rffl.run.SIV","SIV10":"pct.pls.SIV","SIV11":"avg.veg.SIV","SIV12":"avg.rooted.veg.SIV","SIV13":"annual.max.or.min.pH.SIV","SIV14":"avg.annual.base.flow.regime.SIV","SIV15":"pl.late.growing.season.SIV","SIV16":"fines.spawning.SIV","SIV16B":"fines.riffle.run.SIV","SIV17":"shaded.strm.area.SIV","COT":"((((SIV9*SIV16B)^(1/2)+SIV11)/2)*prod(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17)^(1/length(na.omit(c(SIV1,SIV3,SIV12,SIV13,SIV14,SIV17)))))^(1/2)","CE":"min(SIV2,SIV3,(SIV5*SIV7*SIV16)^(1/3))","CJ":"ifelse(SIV6<=0.4|SIV10<=0.4|SIV15<=0.4,min(SIV6,SIV10,SIV15),((SIV6+SIV10+SIV15)/3))","CFr":"ifelse(SIV10<=0.4|(SIV8*SIV16B)^(1/2)<=0.4,min(SIV10,(SIV8*SIV16B)^(1/2)),(SIV10*(SIV8*SIV16B)^(1/2))^(1/2))","CA":"ifelse(SIV4<=0.4|(SIV10*SIV15)^(1/2)<=0.4,min(SIV4,(SIV10*SIV15)^(1/2)),ifelse(SIV6B>(SIV10*SIV15)^(1/2),(SIV4*SIV6B*(SIV10*SIV15)^(1/2))^(1/3),(SIV4*(SIV10*SIV15)^(1/2))^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|(!is.na(COT)&COT<=0.4),min(CA,CJ,CFr,CE,COT,na.rm=T), ifelse(CA(SIV10*SIV15)^(1/2),(SIV4*SIV6B*(SIV10*SIV15)^(1/2))^(1/3),(SIV4*(SIV10*SIV15)^(1/2))^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|(!is.na(COT)&COT<=0.4),min(CA,CJ,CFr,CE,COT,na.rm=T), ifelse(CA(SIV10*SIV15)^(1/2),(SIV4*SIV6B*(SIV10*SIV15)^(1/2))^(1/3),(SIV4*(SIV10*SIV15)^(1/2))^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|(!is.na(COT)&COT<=0.4),min(CA,CJ,CFr,CE,COT,na.rm=T), ifelse(CA(SIV10*SIV15)^(1/2),(SIV4*SIV6B*(SIV10*SIV15)^(1/2))^(1/3),(SIV4*(SIV10*SIV15)^(1/2))^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|(!is.na(COT)&COT<=0.4),min(CA,CJ,CFr,CE,COT,na.rm=T), ifelse(CA(SIV10*SIV15)^(1/2),(SIV4*SIV6B*(SIV10*SIV15)^(1/2))^(1/3),(SIV4*(SIV10*SIV15)^(1/2))^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|(!is.na(COT)&COT<=0.4),min(CA,CJ,CFr,CE,COT,na.rm=T), ifelse(CA(SIV10*SIV15)^(1/2),(SIV4*SIV6B*(SIV10*SIV15)^(1/2))^(1/3),(SIV4*(SIV10*SIV15)^(1/2))^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|(!is.na(COT)&COT<=0.4),min(CA,CJ,CFr,CE,COT,na.rm=T), ifelse(CA(SIV10*SIV15)^(1/2),(SIV4*SIV6B*(SIV10*SIV15)^(1/2))^(1/3),(SIV4*(SIV10*SIV15)^(1/2))^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|(!is.na(COT)&COT<=0.4),min(CA,CJ,CFr,CE,COT,na.rm=T), ifelse(CA(SIV10*SIV15)^(1/2),(SIV4*SIV6B*(SIV10*SIV15)^(1/2))^(1/3),(SIV4*(SIV10*SIV15)^(1/2))^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|(!is.na(COT)&COT<=0.4),min(CA,CJ,CFr,CE,COT,na.rm=T), ifelse(CA1,((1+(SIV6*SIV8))/2)*SIV7, (((SIV4+SIV5)+(SIV6*SIV8))/2)*SIV7)","Eqtn":"min(CFBS,CFSWF,CC)"} {"model":"easternwildturkeyForestHardDBH27.9cm","submodel":"Forest and tree savanna cover (Deciduous Forested Wetland (DFW), Deciduous forest (DF), Evergeen Forest (EF), Evergreen Tree Savanna (ETS), and Deciduous Tree Savanna (DTS), hard mast producing trees with 25.4cm DBH","species":"Meleagris gallopavo sylvestris","geography":"From the southern tip of Maine west to Southwestern Minnesota, south through eastern Nebraska to east Texas and across the southern states, excluding Florida","ecosystem":"Fresh Wetland","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Eastern wild turkey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.106). 33 pp.","note":"HSI not computing area weighting, therefore SIV14, SIV15 and SIV16 not used.","website":"https://ecolibrary.sec.usace.army.mil/resource/721a717a-077e-49e9-9a5c-78ef818330b8","SIV1":"herb.can.cov.SIV","SIV2":"avg.h.herb.can.summer.SIV","SIV4":"hard.mass.trees.SIV","SIV5":"can.closure.soft.mass.SIV","SIV6":"shrub.crown.cov.food.SIV","SIV7":"shrub.crown.cov.behavior.SIV","SIV8":"shrub.crown.cov.soft.mass.SIV","SIV11":"tree.can.cov.SIV","SIV12":"avg.dbh.overstory.trees.SIV","SIV13":"evergreen.can.SIV","CC":"(SIV11*SIV12*SIV13)","CFBS":"(SIV1*SIV2)^(1/2)","CFSWF":"ifelse((SIV4+SIV5)>1,((1+(SIV6*SIV8))/2)*SIV7, (((SIV4+SIV5)+(SIV6*SIV8))/2)*SIV7)","Eqtn":"min(CFBS,CFSWF,CC)"} {"model":"easternwildturkeyForestHardDBH30.5cm","submodel":"Forest and tree savanna cover (Deciduous Forested Wetland (DFW), Deciduous forest (DF), Evergeen Forest (EF), Evergreen Tree Savanna (ETS), and Deciduous Tree Savanna (DTS), hard mast producing trees with 25.4cm DBH","species":"Meleagris gallopavo sylvestris","geography":"From the southern tip of Maine west to Southwestern Minnesota, south through eastern Nebraska to east Texas and across the southern states, excluding Florida","ecosystem":"Fresh Wetland","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Eastern wild turkey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.106). 33 pp.","note":"HSI not computing area weighting, therefore SIV14, SIV15 and SIV16 not used.","website":"https://ecolibrary.sec.usace.army.mil/resource/721a717a-077e-49e9-9a5c-78ef818330b8","SIV1":"herb.can.cov.SIV","SIV2":"avg.h.herb.can.summer.SIV","SIV4":"hard.mass.trees.SIV","SIV5":"can.closure.soft.mass.SIV","SIV6":"shrub.crown.cov.food.SIV","SIV7":"shrub.crown.cov.behavior.SIV","SIV8":"shrub.crown.cov.soft.mass.SIV","SIV11":"tree.can.cov.SIV","SIV12":"avg.dbh.overstory.trees.SIV","SIV13":"evergreen.can.SIV","CC":"(SIV11*SIV12*SIV13)","CFBS":"(SIV1*SIV2)^(1/2)","CFSWF":"ifelse((SIV4+SIV5)>1,((1+(SIV6*SIV8))/2)*SIV7, (((SIV4+SIV5)+(SIV6*SIV8))/2)*SIV7)","Eqtn":"min(CFBS,CFSWF,CC)"} {"model":"easternwildturkeyForestHardDBH33.0cm","submodel":"Forest and tree savanna cover (Deciduous Forested Wetland (DFW), Deciduous forest (DF), Evergeen Forest (EF), Evergreen Tree Savanna (ETS), and Deciduous Tree Savanna (DTS), hard mast producing trees with 25.4cm DBH","species":"Meleagris gallopavo sylvestris","geography":"From the southern tip of Maine west to Southwestern Minnesota, south through eastern Nebraska to east Texas and across the southern states, excluding Florida","ecosystem":"Fresh Wetland","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Eastern wild turkey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.106). 33 pp.","note":"HSI not computing area weighting, therefore SIV14, SIV15 and SIV16 not used.","website":"https://ecolibrary.sec.usace.army.mil/resource/721a717a-077e-49e9-9a5c-78ef818330b8","SIV1":"herb.can.cov.SIV","SIV2":"avg.h.herb.can.summer.SIV","SIV4":"hard.mass.trees.SIV","SIV5":"can.closure.soft.mass.SIV","SIV6":"shrub.crown.cov.food.SIV","SIV7":"shrub.crown.cov.behavior.SIV","SIV8":"shrub.crown.cov.soft.mass.SIV","SIV11":"tree.can.cov.SIV","SIV12":"avg.dbh.overstory.trees.SIV","SIV13":"evergreen.can.SIV","CC":"(SIV11*SIV12*SIV13)","CFBS":"(SIV1*SIV2)^(1/2)","CFSWF":"ifelse((SIV4+SIV5)>1,((1+(SIV6*SIV8))/2)*SIV7, (((SIV4+SIV5)+(SIV6*SIV8))/2)*SIV7)","Eqtn":"min(CFBS,CFSWF,CC)"} {"model":"easternwildturkeyForestHardDBH35.6cm","submodel":"Forest and tree savanna cover (Deciduous Forested Wetland (DFW), Deciduous forest (DF), Evergeen Forest (EF), Evergreen Tree Savanna (ETS), and Deciduous Tree Savanna (DTS), hard mast producing trees with 25.4cm DBH","species":"Meleagris gallopavo sylvestris","geography":"From the southern tip of Maine west to Southwestern Minnesota, south through eastern Nebraska to east Texas and across the southern states, excluding Florida","ecosystem":"Fresh Wetland","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Eastern wild turkey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.106). 33 pp.","note":"HSI not computing area weighting, therefore SIV14, SIV15 and SIV16 not used.","website":"https://ecolibrary.sec.usace.army.mil/resource/721a717a-077e-49e9-9a5c-78ef818330b8","SIV1":"herb.can.cov.SIV","SIV2":"avg.h.herb.can.summer.SIV","SIV4":"hard.mass.trees.SIV","SIV5":"can.closure.soft.mass.SIV","SIV6":"shrub.crown.cov.food.SIV","SIV7":"shrub.crown.cov.behavior.SIV","SIV8":"shrub.crown.cov.soft.mass.SIV","SIV11":"tree.can.cov.SIV","SIV12":"avg.dbh.overstory.trees.SIV","SIV13":"evergreen.can.SIV","CC":"(SIV11*SIV12*SIV13)","CFBS":"(SIV1*SIV2)^(1/2)","CFSWF":"ifelse((SIV4+SIV5)>1,((1+(SIV6*SIV8))/2)*SIV7, (((SIV4+SIV5)+(SIV6*SIV8))/2)*SIV7)","Eqtn":"min(CFBS,CFSWF,CC)"} {"model":"easternwildturkeyForestHardDBH38.1cm","submodel":"Forest and tree savanna cover (Deciduous Forested Wetland (DFW), Deciduous forest (DF), Evergeen Forest (EF), Evergreen Tree Savanna (ETS), and Deciduous Tree Savanna (DTS), hard mast producing trees with 25.4cm DBH","species":"Meleagris gallopavo sylvestris","geography":"From the southern tip of Maine west to Southwestern Minnesota, south through eastern Nebraska to east Texas and across the southern states, excluding Florida","ecosystem":"Fresh Wetland","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Eastern wild turkey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.106). 33 pp.","note":"HSI not computing area weighting, therefore SIV14, SIV15 and SIV16 not used.","website":"https://ecolibrary.sec.usace.army.mil/resource/721a717a-077e-49e9-9a5c-78ef818330b8","SIV1":"herb.can.cov.SIV","SIV2":"avg.h.herb.can.summer.SIV","SIV4":"hard.mass.trees.SIV","SIV5":"can.closure.soft.mass.SIV","SIV6":"shrub.crown.cov.food.SIV","SIV7":"shrub.crown.cov.behavior.SIV","SIV8":"shrub.crown.cov.soft.mass.SIV","SIV11":"tree.can.cov.SIV","SIV12":"avg.dbh.overstory.trees.SIV","SIV13":"evergreen.can.SIV","CC":"(SIV11*SIV12*SIV13)","CFBS":"(SIV1*SIV2)^(1/2)","CFSWF":"ifelse((SIV4+SIV5)>1,((1+(SIV6*SIV8))/2)*SIV7, (((SIV4+SIV5)+(SIV6*SIV8))/2)*SIV7)","Eqtn":"min(CFBS,CFSWF,CC)"} {"model":"easternwildturkeyHerb","submodel":"Herbaceous cover types","species":"Meleagris gallopavo sylvestris","geography":"From the southern tip of Maine west to Southwestern Minnesota, south through eastern Nebraska to east Texas and across the southern states, excluding Florida","ecosystem":"Fresh Wetland","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Eastern wild turkey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.106). 33 pp.","note":"HSI not computing area weighting, therefore SIV14, SIV15 and SIV16 not used.","website":"https://ecolibrary.sec.usace.army.mil/resource/721a717a-077e-49e9-9a5c-78ef818330b8","SIV1":"herb.can.cov.SIV","SIV2":"avg.h.herb.can.summer.SIV","SIV3":"dist.to.forest.or.savanna.SIV","SIV6":"shrub.crown.cov.food.SIV","SIV7":"shrub.crown.cov.behavior.SIV","SIV8":"shrub.crown.cov.soft.mass.SIV","CFBS":"((SIV1*SIV2)^(1/2))*SIV3","CFSWF":"((SIV6*SIV8)/2)*SIV7*SIV3","Eqtn":"min(CFBS,CFSWF)"} {"model":"easternwildturkeyShrub","submodel":"Shrub cover types","species":"Meleagris gallopavo sylvestris","geography":"From the southern tip of Maine west to Southwestern Minnesota, south through eastern Nebraska to east Texas and across the southern states, excluding Florida","ecosystem":"Fresh Wetland","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Eastern wild turkey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.106). 33 pp.","note":"HSI not computing area weighting, therefore SIV14, SIV15 and SIV16 not used.","website":"https://ecolibrary.sec.usace.army.mil/resource/721a717a-077e-49e9-9a5c-78ef818330b8","SIV1":"herb.can.cov.SIV","SIV2":"avg.h.herb.can.summer.SIV","SIV3":"dist.to.forest.or.savanna.SIV","SIV6":"shrub.crown.cov.food.SIV","SIV7":"shrub.crown.cov.behavior.SIV","SIV8":"shrub.crown.cov.soft.mass.SIV","CFBS":"((SIV1*SIV2)^(1/2))*SIV3","CFSWF":"((SIV6*SIV8)/2)*SIV7*SIV3","Eqtn":"min(CFBS,CFSWF)"} {"model":"englishsoleJuv","submodel":"Regular SIV1","species":"Parophrys vetulus","geography":"Model is designed to apply to juvenile English sole in estuaries and coastal lagoons year-round.","ecosystem":"Estuary","documentation":"Toole, C.L., R.A. Barnhart, and C.P. Onuf. 1987. Habitat suitability index models: juvenile English sole. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.133). 27 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/be628486-3922-4bd0-ffed-502e4d9478a3","SIV1":"hydrodyamic.regime.SIV","SIV2":"subs.comp.pct.by.weight.mt2mm.SIV","SIV3":"mths.suboptimal.bottom.wtr.temp.SIV","SIV4":"bottom.sal.apr.to.oct.SIV","SIV5":"DO.concentrations.suboptimal.num.mths.SIV","CF":"min(SIV1, SIV2)","CWQ":"min(SIV3, SIV4, SIV5)","Eqtn":"min(CF, CWQ)"} {"model":"englishsoleJuvImpactAlt","submodel":"Aternative 1: percent reduction in tidal range alternative for peripheral areas with impacted tidal exchange","species":"Parophrys vetulus","geography":"Model is designed to apply to juvenile English sole in estuaries and coastal lagoons year-round.","ecosystem":"Estuary","documentation":"Toole, C.L., R.A. Barnhart, and C.P. Onuf. 1987. Habitat suitability index models: juvenile English sole. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.133). 27 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/be628486-3922-4bd0-ffed-502e4d9478a3","SIV1":"reduced.tidal.range.SIV","SIV2":"subs.comp.by.weight.mt2mm.SIV","SIV3":"mths.suboptimal.bottom.wtr.temp.SIV","SIV4":"bottom.sal.apr.to.oct.SIV","SIV5":"DO.concentrations.suboptimal.num.mths.SIV","CF":"min(SIV1, SIV2)","CWQ":"min(SIV3, SIV4, SIV5)","Eqtn":"min(CF, CWQ)"} {"model":"fallfishLac","submodel":"Lacustrine","species":"Semotilus corporalis","geography":"Throughout the range of the Fallfish in North America","ecosystem":"Lake, Large River, Stream","documentation":"Trial, JG, CS Wade, JG Stanley, and PC Nelson. 1983. Habitat suitability information: Fallfish. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.48. 15 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/32062fa1-1bc7-4801-ff7d-89037e9ca739","SIV1":"wtr.temp.warmest.yr.SIV","SIV2":"turb.SIV","CWQ":"ifelse(SIV1<=0.4|SIV2<=0.4,min(SIV1,SIV2),((SIV1*SIV2)^(1/2)))","Eqtn":"CWQ"} {"model":"fallfishRivNoSpwn","submodel":"Riverine used when NO spawning occurs if temperature does not reach or maintain optimum value","species":"Semotilus corporalis","geography":"Throughout the range of the Fallfish in North America","ecosystem":"Lake, Large River, Stream","documentation":"Trial, JG, CS Wade, JG Stanley, and PC Nelson. 1983. Habitat suitability information: Fallfish. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.48. 15 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/32062fa1-1bc7-4801-ff7d-89037e9ca739","SIV1":"wtr.temp.warmest.yr.SIV","SIV2":"turb.SIV","SIV3":"most.common.wtr.d.SIV","SIV4":"temp.spwn.season.SIV","SIV5":"predominant.subs.in.strm.SIV","SIV6":"abundance.instream.cov.SIV","CWQ":"ifelse(SIV1<=0.4|SIV2<=0.4,min(SIV1,SIV2),(SIV1*SIV2)^(1/2))","CR":"min(SIV4,((SIV3*(SIV6*SIV5))^(1/2)))","Eqtn":"(CWQ+CR)/2"} {"model":"fallfishRivSpwn","submodel":"Riverine used when spawning occurs if temperature reaches optimum and maintains this value in April, May or June","species":"Semotilus corporalis","geography":"Throughout the range of the Fallfish in North America","ecosystem":"Lake, Large River, Stream","documentation":"Trial, JG, CS Wade, JG Stanley, and PC Nelson. 1983. Habitat suitability information: Fallfish. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.48. 15 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/32062fa1-1bc7-4801-ff7d-89037e9ca739","SIV1":"wtr.temp.warmest.yr.SIV","SIV2":"turb.SIV","SIV3":"most.common.wtr.d.SIV","SIV4":"temp.spwn.season.SIV","SIV5":"predominant.subs.in.strm.SIV","SIV6":"abundance.instream.cov.SIV","CWQ":"ifelse(SIV1<=0.4|SIV2<=0.4,min(SIV1,SIV2),(SIV1*SIV2)^(1/2))","CR":"((SIV3*SIV4*(SIV5*SIV6))^(1/3))","Eqtn":"(CWQ+CR)/2"} {"model":"ferruginoushawkCrop","submodel":"Cropland cover","species":"Buteo regalis","geography":"Western United States North of Ariziona and New Mexico","ecosystem":"Arid","documentation":"Jasikoff, T.M. 1982. Habitat suitability index models: Ferruginous hawk. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.10. 18 pp.","note":"Area weighting is not considered in model. SIV2 and SIV6 have been elminated. The order of SIs has changed to: SIV3 is now SIV2, SIV4 is now SIV3, SIV5 is now SIV4 and SIV6 does not exist.","website":"https://ecolibrary.sec.usace.army.mil/resource/3631dee2-79f7-415e-a1d6-26c95cbd67df","SIV2":"size.cont.cropland.SIV","SIV3":"topographic.diversity.SIV","SIV4":"dist.tree.shrub.SIV","CF":"SIV2","CR":"min(1, SIV3 + SIV4)","Eqtn":"CF*CR"} {"model":"ferruginoushawkHerbAndShrub","submodel":"Herbacous and shrub cover","species":"Buteo regalis","geography":"Western United States North of Ariziona and New Mexico","ecosystem":"Arid","documentation":"Jasikoff, T.M. 1982. Habitat suitability index models: Ferruginous hawk. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.10. 18 pp.","note":"Area weighting is not considered in model. SIV2 and SIV6 have been elminated. The order of SIs has changed to: SIV3 is now NA","website":"https://ecolibrary.sec.usace.army.mil/resource/3631dee2-79f7-415e-a1d6-26c95cbd67df","SIV1":"avg.h.herb.shrub.can.SIV","SIV3":"topographic.diversity.SIV","SIV4":"dist.tree.shrub.SIV","CF":"SIV1","CR":"min(1, SIV3 + SIV4)","Eqtn":"CF*CR"} {"model":"fieldsparrow","species":"Spizella pusilla","geography":"from northwestern and southeastern Montana, northern North Dakota, central Minnesota, north-central Wisconsin, north-central Michigan, southern Ontario, southwestern Quebec, southern Maine and southern New Brunswick south to northeastern Colorado, western Kansas, western Oklahoma, central and southern Texas, the Gulf Coast and southern Georgia","documentation":"Sousa, P.J. 1983. Habitat suitability index models: Field sparrow. U.S. Fish Wildl. Serv. FWS/OBS-82/10.62. 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/9f94539f-3bbc-4693-a0a5-9bdff62e2010","SIV1":"shrub.crown.cov.SIV","SIV2":"total.shrubs.lt1.5m.pct.1","SIV3":"can.cov.grasses.SIV","SIV4":"herb.can.h.SIV","CCR":"(min(SIV1, SIV2)*min(SIV3, SIV4))^(1/2)","Eqtn":"CCR"} {"model":"fisherWinterCov","submodel":"Winter cover for a specific cover type","species":"Pekania pennanti","geography":"Within the contiguous United States, indigenous and reintroduced populations presently inhabit portions of the Appalachian Mountains from New England south to West Virginia in the east; northern Wisconsin, Minnesota, and Michigan's upper peninsula in the Midwest; northern Idaho and western Montana in the Northwest; and as far south as northern California along the West Coast.","ecosystem":"Fresh Wetland","documentation":"Allen, A. W. 1983. Habitat suitability index models: Fisher. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.45. 19 pp","note":"In situations where two or more forest types are present, an overall weighted HSI (weighted by area) can be determined following steps in bluebook page 13","website":"https://ecolibrary.sec.usace.army.mil/resource/772abd42-5d95-44b3-9a1d-03ebf6e5e770","SIV1":"tree.can.cov.SIV","SIV2":"dbh.overstory.trees.SIV","SIV3":"tree.can.diversity.SIV","SIV4":"overstory.can.decid.SIV","CWC":"(((SIV1*SIV2*SIV3)^(1/3))*SIV4)","Eqtn":"CWC"} {"model":"flatheadcatfishMacro","submodel":"Macrohabitat model","species":"Pylodictis olivaris","geography":"Throughout the Flathead catfish's range","ecosystem":"Large River","documentation":"Lee, LA, and JW Terrell. 1987. Habitat suitability index models: Flathead catfish. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.152). 39pp.","note":"HSI calculations are based on macrohabitat suitability index ","website":"https://ecolibrary.sec.usace.army.mil/resource/e1d9dd7f-f9c6-4c40-91e9-8e8b8345fd37","SIV1":"strm.gradient.SIV","SIV2":"turb.SIV","SIV3":"vel.SIV","SIV4":"rffl.SIV","SIV5":"run.SIV","SIV6":"pl.SIV","Eqtn":"min(SIV1, SIV2, SIV3, SIV4, SIV5, SIV6)"} {"model":"flounderGulf","submodel":"Gulf Flounder","species":"Paralichthys albigutta","geography":"Estuarine habitats of the northern and eastern Gulf of Mexico from Florida to Texas ","ecosystem":"Estuary","documentation":"Enge, K.M., and R. Mulholland. 1985. Habitat suitability index models: southern and gulf flounders. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.92). 25 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/024d40b5-3668-4353-c88b-8e0a193e7917","SIV1":"sal.between.10.to.15cm.SIV","SIV2":"temp.10.to.15cm.above.bottom.SIV","SIV3":"min.DO.may.to.aug.SIV","SIV4":"subs.comp.SIV","CC":"SIV4","CWQ":"(((SIV1)^2)*SIV2*SIV3)^(1/4)","Eqtn":"(CWQ*CC)^(1/2)"} {"model":"flounderSouthern","submodel":"Gulf Flounder","species":"Paralichthys albigutta","geography":"Estuarine habitats of the northern and eastern Gulf of Mexico from Florida to Texas ","ecosystem":"Estuary","documentation":"Enge, K.M., and R. Mulholland. 1985. Habitat suitability index models: southern and gulf flounders. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.92). 25 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/024d40b5-3668-4353-c88b-8e0a193e7917","SIV1":"sal.between.10.to.15cm.SIV","SIV2":"temp.10.to.15cm.above.bottom.SIV","SIV3":"min.DO.may.to.aug.SIV","SIV4":"subs.comp.SIV","CC":"SIV4","CWQ":"(((SIV1)^2)*SIV2*SIV3)^(1/4)","Eqtn":"(CWQ*CC)^(1/2)"} {"model":"forstersternBreeding","submodel":"Breeding Gulf & Atlantic","species":"Sterna forsteri","geography":"Gulf coast of Louisiana and Texas","ecosystem":"Estuary","documentation":"Martin, R.P., and P.J. Zwank. 1987. Habitat suitability index models: Forster's tern (breeding)--Gulf and Atlantic coasts. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.131). 21 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/81a46253-ef0e-46e1-cadc-7470e211114e","SIV1":"study.area.with.S.alerniflora.S.patens.can.25pct.SIV","SIV2":"wrack.deposits.quality.nesting.SIV","SIV3":"island.size.SIV","SIV4":"island.to.mainland.dist.SIV","SIV5":"disturbance.nesting.season.SIV","CC":"(SIV1*SIV2)^(1/2)","CD":"SIV5","CI":"(SIV3+SIV4)/2","Eqtn":"((((2*CC)+CI)/3)*CD)^(1/2)"} {"model":"foxsquirrel","species":"Sciurus niger ","geography":"North America","ecosystem":"Fresh Wetland","documentation":"Allen, A. W. 1982. Habitat suitability index models: fox squirrel. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.18. 11 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/676ea939-edb7-42dc-b713-20992fe4442d","SIV1":"can.closure.hard.mass.trees.SIV","SIV2":"dist.available.grains.SIV","SIV3":"avg.dbh.overstory.SIV","SIV4":"tree.can.closure.SIV","SIV5":"shrub.crown.cov.SIV","CWF":"(((3*SIV1)+SIV2)/3)","CCR":"(SIV3*SIV4*SIV5)^(1/3)","Eqtn":"min(CWF,CCR)"} {"model":"gadwallBreeding","species":"Anas strepera","geography":"The mixed-grass prairie of North and South Dakota; the tallgrass prairie in western Minnesota, eastern North and South Dakota, the sandhills of Nebraska, and the short-grass prairie west of the Missouri River through Montana. Also applicable within the Prairie Provinces of Canada.","ecosystem":"Fresh Wetland","documentation":"Sousa, P.J. 1985. Habitat suitability index models: Gadwall (breeding). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.100). 35 pp.","note":"Area weighting not considered in model. SIV5 was eliminated from the analysis. Pair habitat component is considered Cover Breeding Component (CCB)","website":"https://ecolibrary.sec.usace.army.mil/resource/5bc755ce-2e13-47dc-9bb4-f2c3eae4bdcf","SIV1":"equiv.opt.num.of.wetlands.per.259ha.SIV","SIV2":"equiv.opt.area.of.wetlands.per.259ha.pairs.SIV","SIV3":"avg.visual.obstruction.measurement.SIV","SIV4":"avg.dist.to.wetland.SIV","SIV6":"equiv.opt.num.of.wetlands.per.259ha.broods.fig.a.SIV","SIV7":"equiv.opt.area.of.wetlands.per.259ha.broods.fig.b.SIV","CCB":"(SIV1*SIV2)^(1/2)","CB":"(SIV6*SIV7)^(1/2)","CCN":"SIV3*SIV4","Eqtn":"min(CCN,CCB,CB)"} {"model":"gizzardshadLacNoTributaries","submodel":"Lacustrine spawning tributaries absent or not accessible ","species":"Dorosoma cepedianum","geography":"Lakes and reservoirs throughout the United States","ecosystem":"Lake, Stream","documentation":"Williamson, KL, and PC Nelson. 1985. Habitat suitability index models and instream flow suitability curves: Gizzard shad. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.112). 33 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/715a4049-6ff8-419d-8ae8-19dd2521c000","SIV1":"TDS.summer.SIV","SIV2":"growing.season.SIV","SIV3":"avg.summer.temp.epilimnion.SIV","SIV4":"max.DO.epilimnion.summer.stratification.SIV","SIV5":"wtr.level.spwn.and.emb.dev.SIV","SIV6":"avg.weekly.tributary.temp.spwn.SIV","SIV7":"area.veg.and.ltoe2m.deep.spwn.SIV","CF":"SIV1","CWQ":"(min(SIV3, SIV4)*SIV2)","CR":"(SIV5+SIV6+SIV7)/3","Eqtn":"min(CF, CWQ, CR)"} {"model":"gizzardshadLacSpwnTributaries","submodel":"Lacustrine with accessible spawning tributaries with low gradients","species":"Dorosoma cepedianum","geography":"Lakes and reservoirs throughout the United States","ecosystem":"Lake, Stream","documentation":"Williamson, KL, and PC Nelson. 1985. Habitat suitability index models and instream flow suitability curves: Gizzard shad. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.112). 33 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/715a4049-6ff8-419d-8ae8-19dd2521c000","SIV1":"TDS.summer.SIV","SIV2":"growing.season.SIV","SIV3":"avg.summer.temp.epilimnion.SIV","SIV4":"max.DO.epilimnion.summer.stratification.SIV","SIV5":"wtr.level.spwn.and.emb.dev.SIV","SIV6":"avg.weekly.tributary.temp.spwn.SIV","SIV7":"area.veg.and.ltoe2m.deep.spwn.SIV","CF":"SIV1","CWQ":"(min(SIV3, SIV4)*SIV2)","CR":"(SIV5+SIV6+SIV7)/3","Eqtn":"min(CF, CWQ, CR)"} {"model":"graypartridge","species":"Perdix perdix","geography":"Portions of Washington, Oregon, Idaho, Nevada, Utah, Alberta, Saskatchewan, Manitoba, Montana, Wyoming, South Dakota, Minnesota, Iowa, Wisconsin, New York, and Ontario","documentation":"Allen, A.W. 1984. Habitat suitability index models: Gray partridge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.73). 23 pp.","website":"https://apps.dtic.mil/sti/tr/pdf/ADA323373.pdf","SIV1":"cropland.SIV","SIV2":"cropland.cov.grain.SIV","SIV3":"cropland.fall.winter.tillage.SIV","SIV4":"idle.land.SIV","SIV5":"distribution.idle.land.SIV","SIV6":"herb.can.cov.SIV","SIV7":"herb.can.cov.grass.SIV","SIV8":"pasture.hayland.SIV","CWF":"((SIV1*SIV2)^(1/2))*SIV3","CR":"((((2*(SIV4*((SIV6*SIV7)^(1/2))))*SIV5)+SIV8)/3)","Eqtn":"min(CWF,CR)"} {"model":"graysquirrel","submodel":"revised model for individual forest stands","species":"Sciurus carolinensis ","geography":"Eastern half of the United States ","ecosystem":"Fresh Wetland","documentation":"Allen, A.W. 1987. Habitat suitability index models: gray squirrel, revised. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.135). 16 pp. [First printed as: FWS/OBS-82/10.19. July 1982.] ","note":"Area weighting not considered in model.","website":"https://ecolibrary.sec.usace.army.mil/resource/0d996677-9c6f-47a9-f22d-51127b539e1a","SIV1":"can.hard.mass.trees.mt25cm.dbh.SIV","SIV2":"hard.mass.tree.species.SIV","SIV3":"can.cov.SIV","SIV4":"pct.can.cov.trees.SIV","SIV5":"avg.dbh.overstory.trees.SIV","CWF":"((SIV1*SIV2)^(1/2)*SIV3)","CCR":"(SIV4*SIV5)^(1/2)","Eqtn":"min(CWF, CCR)"} {"model":"greatblueheron","species":"Ardea herodias L.","geography":"Throughout the United States near water and aquatic habitats","ecosystem":"Estuary, Floodplain, Fresh Wetland, Lake, Large River, Large Watershed/Major Restoration, S-M Watershed, Stream","documentation":"Short, H.L., and R.J. Cooper. 1985. Habitat suitability index models: Great blue heron. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.99). 23 pp.","note":"Because of the format of the combined HSI equation for reproductive and foraging habitat, components are not considered.","website":"https://ecolibrary.sec.usace.army.mil/resource/155f203f-ef48-43e7-eb72-4d9deaa96584","SIV1":"dist.between.foraging.and.heronry.sites.SIV","SIV2":"foraging.suitability.SIV","SIV3":"human.disturbance.to.foraging.SIV","SIV4":"suitable.nest.site.SIV","SIV5":"human.disturbance.nesting.SIV","SIV6":"proximity.of.potential.nests.to.heron.nest.SIV","Eqtn":"(SIV1*SIV2*SIV3*SIV4*SIV5*SIV6)^(1/2)"} {"model":"greategretFeeding","submodel":"Feeding","species":"Ardea albus ","geography":"Texas and Louisiana coastlines ","ecosystem":"Coastal Wetland, Estuary ","documentation":"Chapman, B.R., and R.J. Howard. 1984. Habitat suitability index models: great egret. U.S. Fish Wildl. Serv. FWS/OBS-82/10.78. 23 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/7dd76e83-0ae4-4ed8-b242-94f61816644b","SIV1":"study.area.wtr.depth.10.to.23cm.SIV","SIV2":"subs.d.10.to.23cm.cov.veg.SIV","CF":"(SIV1+SIV2)/2","Eqtn":"CF"} {"model":"greategretNestingIsland","submodel":"Nesting island site","species":"Ardea albus ","geography":"Texas and Louisiana coastlines ","ecosystem":"Coastal Wetland, Estuary ","documentation":"Chapman, B.R., and R.J. Howard. 1984. Habitat suitability index models: great egret. U.S. Fish Wildl. Serv. FWS/OBS-82/10.78. 23 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/7dd76e83-0ae4-4ed8-b242-94f61816644b","SIV3":"island.woody.veg.mt.1m.SIV","SIV6":"dist.to.road.dwelling.SIV","SIV7":"dist.to.human.disturbance.not.road.dwelling.SIV","CD":"(SIV6*SIV7)^(1/2)","CI":"SIV3","Eqtn":"min(CI, CD)"} {"model":"greategretNestingNonisland","submodel":"Nesting non-island site","species":"Ardea albus ","geography":"Texas and Louisiana coastlines ","ecosystem":"Coastal Wetland, Estuary ","documentation":"Chapman, B.R., and R.J. Howard. 1984. Habitat suitability index models: great egret. U.S. Fish Wildl. Serv. FWS/OBS-82/10.78. 23 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/7dd76e83-0ae4-4ed8-b242-94f61816644b","SIV4":"avg.wtr.d.wooded.wetland.SIV","SIV5":"avg.h.woody.veg.SIV","SIV6":"dist.to.road.dwelling.SIV","SIV7":"dist.to.human.disturbance.not.road.dwelling.SIV","CD":"(SIV6*SIV7)^(1/2)","CNI":"(SIV4*SIV5)^(1/2)","Eqtn":"min(CNI, CD)"} {"model":"greaterprairiechickenHarvested","submodel":"Harvested cropland","species":"Tympanuchus cupido pinnatus","geography":"The tallgrass prairie states of Illinois, Wisconsin, Minnesota, and Missouri, and in the Great Plains states of Oklahoma, Kansas, Nebraska, South Dakota, North Dakota, and Colorado.","ecosystem":"Floodplain, Fresh Wetland","documentation":"Prose, B.L. 1985. Habitat suitability index models: Greater prairie-chicken (multiple levels of resolution). U.S. Fish Wildl. Serv. Biiol. Rep. 82(10.102). 33 pp.","note":"Area weighting not considered in this model. Composition component is included as interspersion component (CIN) for SIV4. SIVs 5 and 6 were deleted (area weighting).","website":"https://ecolibrary.sec.usace.army.mil/resource/176d3383-8a0b-42d0-8f07-1d96d998dcbc","SIV1":"crop.type.SIV","SIV2":"fall.winter.crop.mgmt.SIV","SIV3":"visual.obstruction.reading.or.residual.veg.SIV","SIV4":"dist.between.cov.types.SIV","CWF":"(SIV1*SIV2)^(1/2)","CCN":"SIV3","CIN":"SIV4","Eqtn":"min(CWF, CCN, CIN)"} {"model":"greaterprairiechickenUnharvested","submodel":"Unharvested cropland","species":"Tympanuchus cupido pinnatus","geography":"The tallgrass prairie states of Illinois, Wisconsin, Minnesota, and Missouri, and in the Great Plains states of Oklahoma, Kansas, Nebraska, South Dakota, North Dakota, and Colorado.","ecosystem":"Floodplain, Fresh Wetland","documentation":"Prose, B.L. 1985. Habitat suitability index models: Greater prairie-chicken (multiple levels of resolution). U.S. Fish Wildl. Serv. Biiol. Rep. 82(10.102). 33 pp.","note":"Area weighting not considered in this model. Composition component is included as interspersion component (CIN) for SIV4. SIVs 5 and 6 were deleted (area weighting).","website":"https://ecolibrary.sec.usace.army.mil/resource/176d3383-8a0b-42d0-8f07-1d96d998dcbc","SIV1":"crop.type.SIV","SIV3":"visual.obstruction.reading.or.residual.veg.SIV","SIV4":"dist.between.cov.types.SIV","CWF":"SIV1","CCN":"SIV3","CIN":"SIV4","Eqtn":"min(CWF, CCN, CIN)"} {"model":"greatersandhillcraneLt200ha","submodel":"Habitats less than 200 hectares in size","species":"Grus canadensis tabida","geography":"Applicable within the breeding range of the five extant populations in the United States.","ecosystem":"Fresh Wetland, Lake","documentation":"Armbruster, M.J. 1987. Habitat suitability index models: greater sandhill crane. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.140). 26 pp","note":"Area weighting not considered in this model. SIV5 was created as a categorical value for the upland cover types where agricultural (cropland, grassland, or hay/pasture)\"a\" is 1.0, \"b\" forested is 0.1 or \"c\" nonforested is 0.4.","website":"https://ecolibrary.sec.usace.army.mil/resource/11b4503a-97a1-4504-f22d-f7d9f5c43ea1","SIV1":"wetland.class.SIV","SIV2":"wtr.regime.SIV","SIV3":"area.in.wetland.SIV","SIV4":"size.of.disturbance.free.site.SIV","SIV5":"index.value.cov.type.SIV","CRF":"(((((SIV1*SIV2)^(1/2))*SIV3)+SIV5)/2)","Eqtn":"CRF*SIV4"} {"model":"greatersandhillcraneMtoe200ha","submodel":"Habitats greater than or equal to 200 hectares in size","species":"Grus canadensis tabida","geography":"Applicable within the breeding range of the five extant populations in the United States.","ecosystem":"Fresh Wetland, Lake","documentation":"Armbruster, M.J. 1987. Habitat suitability index models: greater sandhill crane. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.140). 26 pp","note":"Area weighting not considered in this model. SIV5 was created as a categorical value for the upland cover types where agricultural (cropland, grassland, or hay/pasture)\"a\" is 1.0, \"b\" forested is 0.1 or \"c\" nonforested is 0.4.","website":"https://ecolibrary.sec.usace.army.mil/resource/11b4503a-97a1-4504-f22d-f7d9f5c43ea1","SIV1":"wetland.class.SIV","SIV2":"wtr.regime.SIV","SIV3":"area.in.wetland.SIV","SIV5":"index.value.cov.type.SIV","CRF":"(((((SIV1*SIV2)^(1/2))*SIV3)+SIV5)/2)","Eqtn":"CRF"} {"model":"greaterwhitefrontedgooseWinteringWetland","submodel":"Wintering Wetland","species":"Anser albinfrons","geography":"Subtropical Outer Coastal Plain Forest ecoregion","ecosystem":"Floodplain, Fresh Wetland, S-M Watershed","documentation":"Kaminski, R.M. 1986. Habitat suitability index models: greater white-fronted goose (wintering). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.116). 14 pp.","note":"Agiculture variable eliminated.","website":"https://ecolibrary.sec.usace.army.mil/resource/2aaf50b6-9154-4f7d-eba2-937c016d40f8","SIV1":"study.area.cov.by.wtr.lt1m.SIV","SIV2":"veg.cov.food.SIV","Eqtn":"(SIV1+SIV2)/2"} {"model":"greensunfishLac","submodel":"Lacustrine (natural or reservoir)","species":"Lepomis cyanellus","geography":"Throughout the native and introduced range of the Green Sunfish in North America","ecosystem":"Estuary, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: Green sunfish. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.15. 28 pp","note":"SIV17 may be omitted if the study area is a natural lake or pond; SIV18 may be omitted if salinity is not an issue in the study area","website":"https://ecolibrary.sec.usace.army.mil/resource/851747a8-db81-4331-e58f-bdd57905f2d2","SIV1":"bottom.pls.cov.veg.rocks.debris.SIV","SIV4":"min.DO.summer.SIV","SIV5":"max.mthly.turb.summer.SIV","SIV6":"pH.range.summer.SIV","SIV7":"max.midsummer.temp.ad.juv.SIV","SIV8":"max.midsummer.temp.fry.SIV","SIV9":"max.temp.spwn.emb.SIV","SIV10":"subs.comp.emb.SIV","SIV15":"TDS.growing.season.SIV","SIV16":"litt.area.summer.wtr.level.SIV","SIV17":"res.drawdown.spwn.emb.SIV","SIV18":"max.mthly.sal.growing.season.SIV","CF":"SIV15","CC":"(SIV1*SIV16)^(1/2)","CWQ":"ifelse(SIV4<=0.4|SIV7<=0.4|SIV8<=0.4,min(SIV4,SIV7,SIV8,sum((2*SIV4),SIV5,SIV6,(2*((SIV7+SIV8)/2)),SIV18,na.rm=TRUE)/(length(na.omit(c(SIV4,SIV4,SIV5,SIV6,SIV7,SIV8,SIV18))))),sum((2*SIV4),SIV5,SIV6,(2*((SIV7+SIV8)/2)),SIV18,na.rm=TRUE)/(length(na.omit(c(SIV4,SIV4,SIV5,SIV6,SIV7,SIV8,SIV18)))))","CR":"prod(SIV9,SIV10,SIV17,na.rm=TRUE)^(1/length(na.omit(c(SIV9,SIV10,SIV17))))","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,((CF*CC*CWQ*CR)^(1/4))),((CF*CC*CWQ*CR)^(1/4)))"} {"model":"greensunfishRiv","submodel":"Riverine; salinity not considered a potential problem in the study area","species":"Lepomis cyanellus","geography":"Throughout the native and introduced range of the Green Sunfish in North America","ecosystem":"Estuary, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: Green sunfish. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.15. 28 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/851747a8-db81-4331-e58f-bdd57905f2d2","SIV1":"bottom.pls.cov.veg.rocks.debris.SIV","SIV2":"pl.area.summer.flow.SIV","SIV3":"strm.gradient.SIV","SIV4":"min.DO.summer.SIV","SIV5":"max.mon.turb.summer.SIV","SIV6":"pH.range.summer.SIV","SIV7":"max.midsummer.temp.ad.juv.SIV","SIV8":"max.midsummer.temp.fry.SIV","SIV9":"max.temp.spwn.emb.SIV","SIV10":"subs.comp.emb.SIV","SIV11":"curr.vel.summer.ad.juv.SIV","SIV12":"curr.vel.spwn.emb.SIV","SIV13":"curr.vel.summer.fry.SIV","SIV14":"strm.w.SIV","CCF":"(SIV1*SIV2)^(1/2)","CWQ":"ifelse(SIV4<=0.4|SIV7<=0.4|SIV8<=0.4,min(SIV4,SIV7,SIV8,((2*SIV4+SIV5+SIV6+(2*((SIV7+SIV8)/2)))/6)),(2*SIV4+SIV5+SIV6+(2*((SIV7+SIV8)/2)))/6)","CR":"(SIV9*SIV10*SIV12)^(1/3)","COT":"((SIV3+ ((SIV11+SIV13)/2) + ((1/2)*SIV14))/2.5)","Eqtn":"ifelse(CWQ<=0.4,min(CWQ,(CCF*CWQ*CR*COT)^(1/4)),(CCF*CWQ*CR*COT)^(1/4))"} {"model":"greensunfishRivSal","submodel":"Riverine; salinity considered to be a potential problem within the study area","species":"Lepomis cyanellus","geography":"Throughout the native and introduced range of the Green Sunfish in North America","ecosystem":"Estuary, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: Green sunfish. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.15. 28 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/851747a8-db81-4331-e58f-bdd57905f2d2","SIV1":"bottom.pls.cov.veg.rocks.debris.SIV","SIV2":"pl.area.summer.flow.SIV","SIV3":"strm.gradient.SIV","SIV4":"min.DO.summer.SIV","SIV5":"max.mon.turb.summer.SIV","SIV6":"pH.range.summer.SIV","SIV7":"max.midsummer.temp.ad.juv.SIV","SIV8":"max.midsummer.temp.fry.SIV","SIV9":"max.temp.spwn.emb.SIV","SIV10":"subs.comp.emb.SIV","SIV11":"curr.vel.summer.ad.juv.SIV","SIV12":"curr.vel.spwn.emb.SIV","SIV13":"curr.vel.summer.fry.SIV","SIV14":"strm.w.SIV","SIV18":"max.mthly.sal.growing.season.SIV","CCF":"(SIV1*SIV2)^(1/2)","CWQ":"ifelse(SIV4<=0.4|SIV7<=0.4|SIV8<=0.4,min(SIV4,SIV7,SIV8,(2*SIV4+SIV5+SIV6+SIV7+SIV8+SIV18)/7),(2*SIV4+SIV5+SIV6+SIV7+SIV8+SIV18)/7)","CR":"(SIV9*SIV10*SIV12)^(1/3)","COT":"((SIV3+ ((SIV11+SIV13)/2) + ((1/2)*SIV14))/2.5)","Eqtn":"ifelse(CWQ<=0.4,min(CWQ,(CCF*CWQ*CR*COT)^(1/4)),(CCF*CWQ*CR*COT)^(1/4))"} {"model":"gulfmenhadenEstuary","submodel":"Estuary model","species":"Brevoortia patronus","geography":"Estuarine and nearshore marine habitats","ecosystem":"Estuary","documentation":"Christmas, JY, JT McBee, RS Waller, and FC Scutter III. 1982. Habitat suitability index models: Gulf menhaden. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.23. 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/7d84b2f4-2b50-4ca4-c142-fe397d9a36de","SIV3":"avg.annual.sal.SIV","SIV5":"subs.comp.SIV","SIV8":"lowest.mon.avg.winter.wtr.temp.juv.SIV","SIV9":"lowest.mon.avg.winter.sal.juv.SIV","SIV10":"lowest.weekly.avg.DO.SIV","SIV11":"marsh.acreage.SIV","SIV12":"estuarine.wtr.color.SIV","SIV13":"highest.mon.avg.summer.wtr.temp.ad.SIV","SIV14":"avg.annual.sal.ad.SIV","CF":"(((SIV3)^2)*((SIV12)^2)*SIV5)^(1/5)","CC":"SIV11","CWQ":"(((SIV8*SIV13)^(1/2))+((SIV9*SIV14)^(1/2))+SIV10)/3","Eqtn":"(CWQ*((CF)^2)*CC)^(1/4)"} {"model":"gulfmenhadenMarine","submodel":"Marine model","species":"Brevoortia patronus","geography":"Estuarine and nearshore marine habitats","ecosystem":"Marine","documentation":"Christmas, JY, JT McBee, RS Waller, and FC Scutter III. 1982. Habitat suitability index models: Gulf menhaden. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.23. 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/7d84b2f4-2b50-4ca4-c142-fe397d9a36de","SIV1":"lowest.mon.avg.winter.temp.spwng.C.1","SIV2":"lowest.mon.avg.winter.sal.spwng.SIV","SIV3":"avg.annual.sal.SIV","SIV4":"marine.wtr.color.SIV","SIV5":"subs.comp.SIV","SIV6":"lowest.mon.avg.winter.wtr.temp.larv.SIV","SIV7":"lowest.mon.avg.sal.larv.SIV","SIV13":"highest.mon.avg.summer.wtr.temp.ad.SIV","SIV14":"avg.annual.sal.ad.SIV","CF":"(((SIV3)^2)*((SIV4)^2)*SIV5)^(1/5)","CWQ":"(((SIV1*SIV6*SIV13)^(1/3)) + ((SIV2*SIV7*SIV14)^(1/3)))/2","Eqtn":"(CWQ* (CF^(2)))^(1/3)"} {"model":"hairywoodpecker","species":"Dryobates villosus","geography":"North America","documentation":"Sousa, P.J. 1987. Habitat suitability index models: hairy woodpecker. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.146). 19 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/c688e935-877b-4084-bdb2-59f1aa30a012","SIV1":"num.of.snags.mt.25cmpha.SIV","SIV2":"avg.dbh.overstory.tree.reproduction.SIV","SIV3":"avg.dbh.overstory.trees.cov.SIV","SIV4":"can.cov.SIV","SIV5":"overstory.pine.canopy.closure.SIV","CC":"(SIV3*SIV4*SIV5)","CCN":"ifelse((SIV1 + (0.75 * SIV2)) >1, 1, SIV1 +(0.75 * SIV2))","Eqtn":"(CC*CCN)"} {"model":"hardclam","species":"Mercenaria campechiensis, Mercenaria mercenaria ","geography":"Intertidal and subtidal areas along the Atlantic and gulf coasts. Range extends from Gulf of St. Lawrence to Texas ","ecosystem":"Estuary","documentation":"Mulholland, R. 1984. Habitat suitability index models: hard clam. U.S. Fish Wildl. Serv. FWS/OBS-82/10.77. 21 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/c6a8097d-558c-4651-9f1a-180c42f26cbf","SIV1":"avg.middepth.DO.april.sept.SIV","SIV2":"avg.annual.middepth.sal.SIV","SIV3":"avg.middepth.wtr.temp.growing.season.SIV","SIV4":"silt.clay.subs.SIV","SIV5":"avg.annual.surface.wtr.vel.SIV","SIV6":"avg.total.suspended.solids.april.to.sept.SIV","CWQ":"(SIV1*SIV2*SIV3)^(1/3)","CSS":"(SIV4^2*SIV5*SIV6)^(1/4)","Eqtn":"(CWQ*CSS)^(1/2)"} {"model":"inlandsilversideNoZooplankton","submodel":"Model without zooplankton variable (SIV5)","species":"Menidia beryllina","geography":"Anywhere Inland Silverside is found","ecosystem":"Estuary","documentation":"Weinstein, MP. 1986. Habitat suitability index models: Inland silverside. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.120). 25 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/a9300d8a-a027-4e0c-9913-391e2a74e859","SIV1":"lowest.avg.DO.middepth.SIV","SIV2":"avg.middepth.sal.SIV","SIV3":"days.of.spwn.season.SIV","SIV4":"silt.clay.subs.pct.SIV","SIV6":"subtidal.area.cov.subm.veg.SIV","SIV7":"tidal.creek.bay.shoreline.veg.marsh.grass.SIV","CF":"((2*SIV4) + SIV6)/3","CC":"SIV7","CWQ":"(SIV1 + (2*SIV2) + SIV3)/4","Eqtn":"(CWQ*CF*CC)^(1/3)"} {"model":"inlandsilversideZooplankton","submodel":"Model including zooplankton variable (SIV5)","species":"Menidia beryllina","geography":"Anywhere Inland Silverside is found","ecosystem":"Estuary","documentation":"Weinstein, MP. 1986. Habitat suitability index models: Inland silverside. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.120). 25 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/a9300d8a-a027-4e0c-9913-391e2a74e859","SIV1":"lowest.avg.DO.middepth.SIV","SIV2":"avg.middepth.sal.SIV","SIV3":"days.of.spwn.season.SIV","SIV4":"silt.clay.subs.pct.SIV","SIV5":"zooplankton.density.july.august.SIV","SIV6":"subtidal.area.cov.subm.veg.SIV","SIV7":"tidal.creek.bay.shoreline.veg.marsh.grass.SIV","CF":"((2*((SIV4*(SIV5^2))^(1/3)))+SIV6)/3","CC":"SIV7","CWQ":"(SIV1 + (2*SIV2) + SIV3)/4","Eqtn":"(CWQ*CF*CC)^(1/3)"} {"model":"laketroutReproducingLakes","submodel":"Reproducing populations in lakes that are not the Great Lakes","species":"Salvelinus namaycush ","geography":"Throughout North America except for the Great Lakes ","ecosystem":"Lake","documentation":"Marcus, M.D., W.A. Hubert, and S.H. Anderson. 1984. Habitat suitability index models: Lake trout (Exclusive of the Great Lakes). U.S. Fish Wildl. Serv. FWS/OBS-82/10.84. 12 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e10e36a0-7743-49c4-e3e1-6f2e2d630927","SIV1":"avg.max.temp.hypolimnion.SIV","SIV2":"min.oxygen.hypolimnion.SIV","SIV3":"forage.fish.SIV","SIV4":"spwn.subs.SIV","Eqtn":"(SIV1*SIV2*SIV3*SIV4)"} {"model":"laketroutReproducingRes","submodel":"Reproducing reservoir populations","species":"Salvelinus namaycush ","geography":"Throughout North America except for the Great Lakes ","ecosystem":"Lake","documentation":"Marcus, M.D., W.A. Hubert, and S.H. Anderson. 1984. Habitat suitability index models: Lake trout (Exclusive of the Great Lakes). U.S. Fish Wildl. Serv. FWS/OBS-82/10.84. 12 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e10e36a0-7743-49c4-e3e1-6f2e2d630927","SIV1":"avg.max.temp.hypolimnion.SIV","SIV2":"min.oxygen.hypolimnion.SIV","SIV3":"forage.fish.SIV","SIV4":"spwn.subs.SIV","SIV5":"annual.res.drawdown.incub.SIV","Eqtn":"(SIV1*SIV2*SIV3*SIV4*SIV5)"} {"model":"laketroutStocked","submodel":"Stocked populations in areas exclusive of the Great Lakes","species":"Salvelinus namaycush ","geography":"Throughout North America except for the Great Lakes ","ecosystem":"Lake","documentation":"Marcus, M.D., W.A. Hubert, and S.H. Anderson. 1984. Habitat suitability index models: Lake trout (Exclusive of the Great Lakes). U.S. Fish Wildl. Serv. FWS/OBS-82/10.84. 12 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e10e36a0-7743-49c4-e3e1-6f2e2d630927","SIV1":"avg.max.temp.hypolimnion.SIV","SIV2":"min.oxygen.hypolimnion.SIV","SIV3":"forage.fish.SIV","Eqtn":"(SIV1*SIV2*SIV3)"} {"model":"largemouthbassLacN","submodel":"Lacustrine northern latitude","species":"Micropterus salmoides","geography":"Contiguous 48 States","ecosystem":"Estuary, Fish Passage, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: Largemouth bass. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.16. 32 pp.","note":"If sulfate-chloride concentration exceeds carbonate-bicarbonate, reduce SIV5 rating for TDS by 0.2","website":"https://ecolibrary.sec.usace.army.mil/resource/7d66f840-e208-42b4-d6b0-13ee1fa7666c","SIV2":"lac.area.lt6m.SIV","SIV3":"bottom.cov.ad.juv.SIV","SIV4":"bottom.cov.fry.SIV","SIV5":"TDS.concentration.growing.season.SIV","SIV6":"min.DO.midsummer.SIV","SIV7":"pH.range.growing.season.SIV","SIV8":"avg.wtr.temp.growing.season.ad.juv.SIV","SIV9":"avg.weekly.avg.wtr.temp.emb.SIV","SIV10":"avg.wtr.temp.fry.SIV","SIV11":"max.mth.avg.turb.growing.season.SIV","SIV12":"max.sal.ad.juv.SIV","SIV13":"max.sal.fry.SIV","SIV14":"max.sal.emb.SIV","SIV15":"subs.comp.emb.SIV","SIV16":"avg.wtr.level.fluctuation.ad.juv.SIV","SIV17":"max.wtr.level.fluctuation.emb.SIV","SIV18":"avg.wtr.level.fluctuation.fry.SIV","CF":"SIV5","CC":"((SIV2*((SIV3+SIV4)/2)*SIV16*SIV18)^(1/4))","CWQ":"ifelse(SIV12==1 & SIV13==1,(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11)/7),ifelse(SIV6<=0.4|SIV8<=0.4|SIV10<=0.4,min(SIV6,SIV8,SIV10,(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11+((SIV12+SIV13)/2))/8)),(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11+((SIV12+SIV13)/2))/8)))","CR":"ifelse(SIV14==1,((SIV2*SIV9*SIV15*SIV17)^(1/4)),((SIV2*SIV9*SIV14*SIV15*SIV17)^(1/5)))","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,((CF*CC*CWQ*CR)^(1/4))),((CF*CC*CWQ*CR)^(1/4)))"} {"model":"largemouthbassLacS","submodel":"Lacustrine southern latitude","species":"Micropterus salmoides","geography":"Contiguous 48 States","ecosystem":"Estuary, Fish Passage, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: Largemouth bass. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.16. 32 pp.","note":"If sulfate-chloride concentration exceeds carbonate-bicarbonate, reduce SIV5 rating for TDS by 0.2","website":"https://ecolibrary.sec.usace.army.mil/resource/7d66f840-e208-42b4-d6b0-13ee1fa7666c","SIV2":"lac.area.lt6m.SIV","SIV3":"bottom.cov.ad.juv.SIV","SIV4":"bottom.cov.fry.SIV","SIV5":"TDS.concentration.growing.season.SIV","SIV6":"min.DO.midsummer.SIV","SIV7":"pH.range.growing.season.SIV","SIV8":"avg.wtr.temp.growing.season.ad.juv.SIV","SIV9":"avg.weekly.avg.wtr.temp.emb.SIV","SIV10":"avg.wtr.temp.fry.SIV","SIV11":"max.mth.avg.turb.growing.season.SIV","SIV12":"max.sal.ad.juv.SIV","SIV13":"max.sal.fry.SIV","SIV14":"max.sal.emb.SIV","SIV15":"subs.comp.emb.SIV","SIV16":"avg.wtr.level.fluctuation.ad.juv.SIV","SIV17":"max.wtr.level.fluctuation.emb.SIV","SIV18":"avg.wtr.level.fluctuation.fry.SIV","CF":"SIV5","CC":"((SIV2*((SIV3+SIV4)/2)*SIV16*SIV18)^(1/4))","CWQ":"ifelse(SIV12==1 & SIV13==1,(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11)/7),ifelse(SIV6<=0.4|SIV8<=0.4|SIV10<=0.4,min(SIV6,SIV8,SIV10,(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11+((SIV12+SIV13)/2))/8)),(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11+((SIV12+SIV13)/2))/8)))","CR":"ifelse(SIV14==1,((SIV2*SIV9*SIV15*SIV17)^(1/4)),((SIV2*SIV9*SIV14*SIV15*SIV17)^(1/5)))","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,((CF*CC*CWQ*CR)^(1/4))),((CF*CC*CWQ*CR)^(1/4)))"} {"model":"largemouthbassRivGrad","submodel":"Riverine; uses stream gradient to describe COT","species":"Micropterus salmoides","geography":"Contiguous 48 States","ecosystem":"Estuary, Fish Passage, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: Largemouth bass. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.16. 32 pp.","note":"Uses SIV22 for COT (not SIV19 and SIV21)","website":"https://ecolibrary.sec.usace.army.mil/resource/7d66f840-e208-42b4-d6b0-13ee1fa7666c","SIV1":"pls.backwater.summer.flow.SIV","SIV3":"bottom.cov.ad.juv.SIV","SIV4":"bottom.cov.fry.SIV","SIV6":"min.DO.midsummer.SIV","SIV7":"pH.range.growing.season.SIV","SIV8":"avg.wtr.temp.growing.season.ad.juv.SIV","SIV9":"avg.weekly.avg.wtr.temp.emb.SIV","SIV10":"avg.wtr.temp.fry.SIV","SIV11":"max.mth.avg.turb.growing.season.SIV","SIV12":"max.sal.ad.juv.SIV","SIV13":"max.sal.fry.SIV","SIV14":"max.sal.emb.SIV","SIV15":"subs.comp.emb.SIV","SIV16":"avg.wtr.level.fluctuation.ad.juv.SIV","SIV17":"max.wtr.level.fluctuation.emb.SIV","SIV18":"avg.wtr.level.fluctuation.fry.SIV","SIV20":"max.curr.vel.0.6m.emb.SIV","SIV22":"strm.grad.SIV","CF":"((SIV1*((SIV3+SIV4)/2))^(1/2))","CC":"((SIV1*((SIV3+SIV4)/2)*((SIV16+SIV18)/2))^(1/3))","CWQ":"ifelse(SIV12==1 & SIV13==1,(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11)/7),ifelse(SIV6<=0.4|SIV8<=0.4|SIV10<=0.4,min(SIV6,SIV8,SIV10,(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11+((SIV12+SIV13)/2))/8)),(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11+((SIV12+SIV13)/2))/8)))","CR":"ifelse(SIV14==1,((SIV1*SIV9*SIV15*SIV17*SIV20)^(1/5)),(SIV1*SIV9*SIV14*SIV15*SIV17*SIV20)^(1/6))","COT":"SIV22","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,((CF*CC*CWQ*CR*COT)^(1/5))),((CF*CC*CWQ*CR*COT)^(1/5)))"} {"model":"largemouthbassRivVel","submodel":"Riverine; uses velocity to describe COT","species":"Micropterus salmoides","geography":"Contiguous 48 States","ecosystem":"Estuary, Fish Passage, Fresh Wetland, Lake, Large River, Stream","documentation":"Stuber, RJ, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: Largemouth bass. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.16. 32 pp.","note":"Uses SIV19 and SIV21 for COT (not SIV22)","website":"https://ecolibrary.sec.usace.army.mil/resource/7d66f840-e208-42b4-d6b0-13ee1fa7666c","SIV1":"pls.backwater.summer.flow.SIV","SIV3":"bottom.cov.ad.juv.SIV","SIV4":"bottom.cov.fry.SIV","SIV6":"min.DO.midsummer.SIV","SIV7":"pH.range.growing.season.SIV","SIV8":"avg.wtr.temp.growing.season.ad.juv.SIV","SIV9":"avg.weekly.avg.wtr.temp.emb.SIV","SIV10":"avg.wtr.temp.fry.SIV","SIV11":"max.mth.avg.turb.growing.season.SIV","SIV12":"max.sal.ad.juv.SIV","SIV13":"max.sal.fry.SIV","SIV14":"max.sal.emb.SIV","SIV15":"subs.comp.emb.SIV","SIV16":"avg.wtr.level.fluctuation.ad.juv.SIV","SIV17":"max.wtr.level.fluctuation.emb.SIV","SIV18":"avg.wtr.level.fluctuation.fry.SIV","SIV19":"avg.curr.vel.0.6m.ad.juv.SIV","SIV20":"max.curr.vel.0.6m.emb.SIV","SIV21":"avg.curr.vel.0.6m.fry.SIV","CF":"((SIV1*((SIV3+SIV4)/2))^(1/2))","CC":"((SIV1*((SIV3+SIV4)/2)*((SIV16+SIV18)/2))^(1/3))","CWQ":"ifelse(SIV12==1 & SIV13==1,(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11)/7),ifelse(SIV6<=0.4|SIV8<=0.4|SIV10<=0.4,min(SIV6,SIV8,SIV10,(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11+((SIV12+SIV13)/2))/8)),(((2*SIV6)+SIV7+(2*SIV8)+SIV10+SIV11+((SIV12+SIV13)/2))/8)))","CR":"ifelse(SIV14==1,((SIV1*SIV9*SIV15*SIV17*SIV20)^(1/5)),(SIV1*SIV9*SIV14*SIV15*SIV17*SIV20)^(1/6))","COT":"(SIV19+SIV21)/2","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,((CF*CC*CWQ*CR*COT)^(1/5))),((CF*CC*CWQ*CR*COT)^(1/5)))"} {"model":"larkbunting","species":"Calamospiza melanocorys","geography":"From southern Alberta, Saskatchewan, and Manitoba; south to northwestern Texas and New Mexico, and east to Nebraska.","documentation":"Finch, D.M., S.H. Anderson, and W.A. Hubert. 1987. Habitat suitability index models: lark bunting. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.137). 16 pp.","website":"https://www.fs.usda.gov/rm/pubs_other/rmrs_1987_finch_d001.pdf","SIV1":"can.cover.grasses.SIV","SIV2":"h.grass.can.cov.SIV","SIV3":"ground.surface.bare.SIV","SIV4":"can.cov.veg.taller.than.dom.grass.SIV","CRF":"(((SIV1+SIV2+SIV3)/3)*SIV4)^(1/2)","Eqtn":"CRF"} {"model":"laughinggull","species":"Leucophaeus atricilla","geography":"Gulf Coast","ecosystem":"Coastal Wetland","documentation":"Zale, A.V., and R. Mulholland. 1985. Habitat suitability index models: laughing gull. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.94). 23 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/511c5d44-6c5d-4205-d2d6-6570ee2698f3","SIV1":"area.of.Island.SIV","SIV2":"max.ground.elevation.SIV","SIV3":"avg.slope.island.surface.SIV","SIV4":"herb.can.cov.0.1to1m.SIV","SIV5":"woody.can.cov.Lt1.0m.SIV","SIV6":"woody.can.cov.Mt1.0m.SIV","SIV7":"dist.to.wtr.Mt1m.or.longest.interisland.dist.SIV","SIV8":"shortest.dist.by.wtr.to.boat.access.SIV","CC":"(SIV4*SIV5*SIV6)^(1/3)","CD":"(SIV7*SIV8)^(1/2)","CT":"(SIV1*SIV2*SIV3)^(1/3)","Eqtn":"(((CT)^(2))*((CC)^(3))*CD)^(1/6)"} {"model":"leastternVegCovLt15OrMt25pct","submodel":"Percent vegetation cover less than 15% or more than 25%","species":"Sterna antillarum","geography":"Coastal and freshwater habitats of North, Central, and South America and the Caribbean Islands","ecosystem":"Least Tern","documentation":"Carreker, R.G. 1985. Habitat suitability index models: Least tern. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.103). 29 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/57572235-f6bf-4c04-9363-654439a1af2d","SIV1":"aq.area.SIV","SIV2":"num.of.disparate.aquatic.wetland.SIV","SIV3":"herb.shrub.can.cov.SIV","SIV4":"herb.shrub.can.h.SIV","SIV5":"quality.nesting.hab.SIV","CF":"((2*SIV1) + SIV2)/3","CCR":"min(SIV3, SIV5)","Eqtn":"min(CCR, CF)"} {"model":"leastternVegCovMtoe15OrLtoe25pct","submodel":"Percent vegetation cover more than or equal to 15% or less than or equal to 25%","species":"Sterna antillarum","geography":"Coastal and freshwater habitats of North, Central, and South America and the Caribbean Islands","ecosystem":"Least Tern","documentation":"Carreker, R.G. 1985. Habitat suitability index models: Least tern. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.103). 29 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/57572235-f6bf-4c04-9363-654439a1af2d","SIV1":"aq.area.SIV","SIV2":"num.of.disparate.aquatic.wetland.SIV","SIV3":"herb.shrub.can.cov.SIV","SIV4":"herb.shrub.can.h.SIV","SIV5":"quality.nesting.hab.SIV","CF":"((2*SIV1) + SIV2)/3","CCR":"min((SIV3 * SIV4)^(1/2), SIV5)","Eqtn":"min(CCR, CF)"} {"model":"lesserscaupBreeding","submodel":"Breeding","species":"Aythya affinis","geography":"South of Canada to the middle of the continental United States from central Minnesota to central Washington","ecosystem":"Fresh Wetland, Lake","documentation":"Allen A.W. 1986. Habitat suitability index models: Lesser scaup (breeding). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.117). 16 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/16b60284-bedd-4f1d-92fe-b07f5dcec951","SIV1":"herb.canopy.SIV","SIV2":"herb.veg.h.SIV","SIV3":"shrub.cov.SIV","SIV4":"wtr.regime.SIV","SIV5":"can.cov.emerg.herb.veg.SIV","CB":"(SIV4*(SIV5^2))^(1/3)","CN":"(3*((SIV1*SIV2)^(1/2))+SIV3)/4","Eqtn":"min(CB,CN)"} {"model":"lesserscaupWintering","submodel":"Wintering","species":"Aythya affinis","geography":"Gulf of Mexico and southern Atlantic coast","ecosystem":"Coastal Wetland, Estuary, Large River, Stream","documentation":"Mulholland, R. 1985. Habitat suitability index models: lesser scaup (wintering). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.91). 15 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/c6f2c99d-0b0b-4d28-a60d-1af5c4e34988","SIV1":"area.supporting.pelecypods.SIV","SIV2":"area.supporting.emerg.veg.SIV","SIV3":"wtr.d.winter.conditions.SIV","SIV4":"human.disturbance.feeding.area.SIV","CCF":"ifelse(SIV1<((SIV2*SIV3*SIV4)^(1/3)),SIV1,(((SIV1^2)*SIV2*SIV3*SIV4)^(1/5)))","Eqtn":"CCF"} {"model":"lessersnowgooseWintering","submodel":"Wintering","species":"Anser caerulescens ","geography":"Gulf of Mexico coastal areas of Texas and Louisiana ","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland ","documentation":"Leslie, J.C., and P.J. Zwank. 1985. Habitat suitability index models: lesser snow goose (wintering). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.97). 16 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/e2edaf22-c6dc-45a9-8d5f-56cb11e6d0a8","SIV1":"food.plant.areas.SIV","SIV2":"wtr.d.SIV","SIV3":"tidal.influence.SIV","SIV4":"open.wtr.area.SIV","CF":"(SIV1*SIV2*SIV3)^(1/3)","CCRO":"(SIV2*SIV3*SIV4)^(1/3)","Eqtn":"max(CF, CCRO)"} {"model":"lewiswoodpeckerSummerDeciduousDesertic","submodel":"Summer Deciduous Forest, Deciduous Tree Savanna, Desertic Woodland, and Deciduous Forested Wetland cover types","species":"Melanerpes lewis","geography":"From eastern Colorado west to the Pacific, and from British Columbia to northernmost Mexico.","ecosystem":"Fresh Wetland ","documentation":"Sousa, P.J. 1982. Habitat suitability index models: Lewis's woodpecker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.32. 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/b4696a1d-99e2-4a8d-d834-c59519378d20","SIV1":"tree.can.closure.SIV","SIV2":"shrub.crown.cov.SIV","SIV7":"snags.mtoe30.5cm.SIV","CSF":"ifelse(SIV1 == 0, 0, ifelse((SIV1 + SIV2) >1, 1, (SIV1+SIV2)))","CR":"SIV7","Eqtn":"min(CSF, CR)"} {"model":"lewiswoodpeckerSummerEvergreen","submodel":"Summer Evergreen Forest and Evergreen Tree Savanna cover ","species":"Melanerpes lewis","geography":"From eastern Colorado west to the Pacific, and from British Columbia to northernmost Mexico.","ecosystem":"Fresh Wetland ","documentation":"Sousa, P.J. 1982. Habitat suitability index models: Lewis's woodpecker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.32. 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/b4696a1d-99e2-4a8d-d834-c59519378d20","SIV1":"tree.can.closure.SIV","SIV2":"shrub.crown.cov.SIV","SIV7":"snags.mtoe30.5cm.SIV","CSF":"(SIV1*SIV2)^(1/2)","CR":"SIV7","Eqtn":"min(CSF, CR)"} {"model":"lewiswoodpeckerWinterCropland","submodel":"Winter cropland","species":"Melanerpes lewis","geography":"From eastern Colorado west to the Pacific, and from British Columbia to northernmost Mexico.","ecosystem":"Fresh Wetland ","documentation":"Sousa, P.J. 1982. Habitat suitability index models: Lewis's woodpecker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.32. 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/b4696a1d-99e2-4a8d-d834-c59519378d20","SIV5":"cropland.management.class.1","SIV6":"dist.to.mast.storage.SIV","CWF":"(SIV5*SIV6)","Eqtn":"CWF"} {"model":"lewiswoodpeckerWinterNotEForC","submodel":"Winter habitat in Deciduous Forest, Evergreen Tree Savanna, Deciduous Tree Savanna, Desertic Woodland, and Deciduous Forested Wetland cover types","species":"Melanerpes lewis","geography":"From eastern Colorado west to the Pacific, and from British Columbia to northernmost Mexico.","ecosystem":"Fresh Wetland ","documentation":"Sousa, P.J. 1982. Habitat suitability index models: Lewis's woodpecker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.32. 14 pp.","note":"Not applicable to evergreen forest cover types","website":"https://ecolibrary.sec.usace.army.mil/resource/b4696a1d-99e2-4a8d-d834-c59519378d20","SIV1":"tree.can.closure.SIV","SIV3":"crown.cover.hard.mast.shrubs.SIV","SIV4":"total.tree.can.closure.SIV","CWF":"ifelse((SIV3+((SIV4*SIV1)^(1/2)))>1,1,(SIV3+((SIV4*SIV1)^(1/2))))","Eqtn":"CWF"} {"model":"lewiswoodpeckerYearRoundDeciduousDesertic","submodel":"Year-round habitat in Deciduous Forest, Deciduous Tree Savanna, Desertic Woodland, and Deciduous Forested Wetland cover types","species":"Melanerpes lewis","geography":"From eastern Colorado west to the Pacific, and from British Columbia to northernmost Mexico.","ecosystem":"Fresh Wetland ","documentation":"Sousa, P.J. 1982. Habitat suitability index models: Lewis's woodpecker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.32. 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/b4696a1d-99e2-4a8d-d834-c59519378d20","SIV1":"tree.can.closure.SIV","SIV2":"shrub.crown.cov.SIV","SIV3":"crown.cover.hard.mast.shrubs.SIV","SIV4":"total.tree.can.closure.SIV","SIV7":"snags.mtoe30.5cm.SIV","CWF":"ifelse((SIV3+((SIV4*SIV1)^(1/2)))>1,1,(SIV3+((SIV4*SIV1)^(1/2))))","CSF":"ifelse(SIV1 == 0, 0, ifelse((SIV1 + SIV2) >1, 1, (SIV1+SIV2)))","CR":"SIV7","Eqtn":"max(CWF,min(CSF,CR))"} {"model":"lewiswoodpeckerYearRoundEvergreen","submodel":"Year-round habitat in Evergreen Tree Savanna cover type","species":"Melanerpes lewis","geography":"From eastern Colorado west to the Pacific, and from British Columbia to northernmost Mexico.","ecosystem":"Fresh Wetland ","documentation":"Sousa, P.J. 1982. Habitat suitability index models: Lewis's woodpecker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.32. 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/b4696a1d-99e2-4a8d-d834-c59519378d20","SIV1":"tree.can.closure.SIV","SIV2":"shrub.crown.cov.SIV","SIV3":"crown.cover.hard.mast.shrubs.SIV","SIV4":"total.tree.can.closure.SIV","SIV7":"snags.mtoe30.5cm.SIV","CWF":"ifelse((SIV3+((SIV4*SIV1)^(1/2)))>1,1,(SIV3+((SIV4*SIV1)^(1/2))))","CSF":"(SIV1*SIV2)^(1/2)","CR":"SIV7","Eqtn":"max(CWF,min(CSF,CR))"} {"model":"littleneckclam","submodel":"Juvenile and adult","species":"Protothaca staminea ","geography":"Pacific Coast","ecosystem":"Estuary","documentation":"Rodnick, K., and H.W. Li. 1983. Habitat suitability index models: littleneck clam. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.59. 15 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/950cccf6-069f-49c7-a50a-1f4dca1b3152","SIV1":"subs.comp.SIV","SIV2":"subs.d.SIV","SIV3":"curr.vel.SIV","CF":"SIV3","CC":"min(SIV1, SIV2)","Eqtn":"min(CC, CF)"} {"model":"longnosedaceLac","submodel":"Lacustrine","species":"Rhinichthys cataractae","geography":"Throughout North America","ecosystem":"Lake, Stream","documentation":"Edwards, EA, H Li, and CB Schreck. 1983. Habitat suitability index models: Longnose dace. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.33. 13 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/369274a4-f9f3-4834-9e8c-2e95b2159304","SIV2":"max.d.rffl.nearshore.SIV","SIV4":"strm.shore.rock.subs.SIV","SIV5":"max.temp.spring.summer.SIV","SIV6":"cov.SIV","Eqtn":"min(SIV2, SIV4, SIV5, SIV6)"} {"model":"longnosedaceRiv","submodel":"Riverine","species":"Rhinichthys cataractae","geography":"Throughout North America","ecosystem":"Lake, Stream","documentation":"Edwards, EA, H Li, and CB Schreck. 1983. Habitat suitability index models: Longnose dace. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.33. 13 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/369274a4-f9f3-4834-9e8c-2e95b2159304","SIV1":"curr.vel.SIV","SIV2":"max.d.rffl.nearshore.SIV","SIV3":"rffl.in.sample.area.SIV","SIV4":"strm.shore.rock.subs.SIV","SIV5":"max.temp.spring.summer.SIV","SIV6":"cov.SIV","Eqtn":"min(SIV1, SIV2, SIV3, SIV4, SIV5, SIV6)"} {"model":"longnosesuckerLac","submodel":"Lacustrine juvenile adult","species":"Catostomus catostomus","geography":"Throughout North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwars, EA. 1983. Habitat suitability index models: Longnose sucker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/1-.35. 21 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/2be2ae19-c80c-487e-a8f7-6d018f0c6374","SIV1":"spawning.location.SIV","SIV2":"d.riffle.or.shoreline.area.SIV","SIV3":"curr.vel.spawning.hab.SIV","SIV4":"wtr.temp.spawning.incubation.SIV","SIV5":"rffl.spawning.strm.SIV","SIV6":"subs.type.SIV","SIV7":"cov.veg.SIV","SIV8":"wtr.level.fluctuations.SIV","SIV9":"max.d.SIV","SIV10":"turb.SIV","SIV11":"ph.range.summer.SIV","SIV12":"DO.summer.SIV","SIV13":"wtr.temp.summer.SIV","CE":"ifelse(SIV1<=0.7|SIV2<=0.7|SIV3<=0.7|SIV4<=0.7|SIV5<=0.7|SIV6<=0.7,min(SIV1,SIV2,SIV3,SIV4,SIV5,SIV6),(SIV1*SIV2*SIV3*(SIV4^2)*SIV5*SIV6)^(1/7))","CFr":"(SIV7 + SIV8)/2","CJA":"ifelse(SIV13<=0.7,min(SIV13,((SIV9+SIV10+SIV11+SIV12+(2*SIV13))/6)),((SIV9+SIV10+SIV11+SIV12+(2*SIV13))/6))","Eqtn":"ifelse(CE<=0.7,min(CE,(((CE^2)*CFr*CJA)^(1/4))),(((CE^2)*CFr*CJA)^(1/4)))"} {"model":"longnosesuckerRiv","submodel":"Riverine embryo","species":"Catostomus catostomus","geography":"Throughout North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwars, EA. 1983. Habitat suitability index models: Longnose sucker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/1-.35. 21 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/2be2ae19-c80c-487e-a8f7-6d018f0c6374","SIV2":"d.riff.or.shoreline.area.SIV","SIV3":"curr.vel.spawning.hab.SIV","SIV4":"wtr.temp.spawning.incubation.SIV","SIV5":"rffl.spawn.strm.SIV","SIV6":"subs.type.SIV","CE":"ifelse(SIV2<=0.7|SIV3<=0.7|SIV4<=0.7|SIV5<=0.7|SIV6<=0.7,min(SIV2,SIV3,SIV4,SIV5,SIV6),((SIV2*SIV3*(SIV4^2)*SIV5*SIV6)^(1/6)))","Eqtn":"CE"} {"model":"mallardCroplandCorn","submodel":"Winter habitat in lower Mississippi Valley; cropland model corn flooded during winter period","species":"Anas platyrhynchos","geography":"Lower Mississippi Valley","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1986. Habitat suitablity index models: mallard (winter habitat, Lower Mississippi Valley). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.132). 37 pp.","note":"Area weighting not considered in this model","website":"https://ecolibrary.sec.usace.army.mil/resource/499ecb1c-38d4-4fc3-eb58-28f6d7606803","SIV1":"crop.type.SIV","SIV2":"cropland.management.SIV","SIV3":"days.flooded.SIV","CF":"(SIV1*SIV2*SIV3)","Eqtn":"CF"} {"model":"mallardCroplandOtherCrops","submodel":"Winter habitat in lower Mississippi Valley; cropland model soy crops flooded during winter period","species":"Anas platyrhynchos","geography":"Lower Mississippi Valley","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1986. Habitat suitablity index models: mallard (winter habitat, Lower Mississippi Valley). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.132). 37 pp.","note":"Area weighting not considered in this model","website":"https://ecolibrary.sec.usace.army.mil/resource/499ecb1c-38d4-4fc3-eb58-28f6d7606803","SIV1":"crop.type.SIV","SIV2":"cropland.management.SIV","SIV3":"days.flooded.SIV","CF":"(SIV1*SIV2*SIV3)","Eqtn":"CF"} {"model":"mallardCroplandSoy","submodel":"Winter habitat in lower Mississippi Valley; cropland model other crops flooded during winter period","species":"Anas platyrhynchos","geography":"Lower Mississippi Valley","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1986. Habitat suitablity index models: mallard (winter habitat, Lower Mississippi Valley). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.132). 37 pp.","note":"Area weighting not considered in this model","website":"https://ecolibrary.sec.usace.army.mil/resource/499ecb1c-38d4-4fc3-eb58-28f6d7606803","SIV1":"crop.type.SIV","SIV2":"cropland.management.SIV","SIV3":"days.flooded.SIV","CF":"(SIV1*SIV2*SIV3)","Eqtn":"CF"} {"model":"mallardForestedPaluWetlands","submodel":"Winter habitat in lower Mississippi Valley; Palustrine forested wetlands","species":"Anas platyrhynchos","geography":"Lower Mississippi Valley","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1986. Habitat suitablity index models: mallard (winter habitat, Lower Mississippi Valley). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.132). 37 pp.","note":"Area weighting not considered in this model","website":"https://ecolibrary.sec.usace.army.mil/resource/499ecb1c-38d4-4fc3-eb58-28f6d7606803","SIV4":"can.cov.trees.SIV","SIV5":"tree.can.oak.mtoe.cm.dbh.SIV","SIV6":"num.of.oak.species.SIV","SIV7":"days.flooded.winter.palu.forested.wetland.SIV","CF":"((((SIV4*SIV5)*SIV6)^(1/2))*SIV7)","Eqtn":"CF"} {"model":"mallardNonforestedPaluLacRiv","submodel":"Winter habitat in lower Mississippi Valley; Non-forested palustrine, lacustrine, riverine","species":"Anas platyrhynchos","geography":"Lower Mississippi Valley","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Allen, A.W. 1986. Habitat suitablity index models: mallard (winter habitat, Lower Mississippi Valley). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.132). 37 pp.","note":"Area weighting not considered in this model","website":"https://ecolibrary.sec.usace.army.mil/resource/499ecb1c-38d4-4fc3-eb58-28f6d7606803","SIV8":"can.cov.herb.veg.SIV","SIV9":"aq.veg.SIV","SIV10":"wtr.regime.SIV","SIV11":"days.flooded.winter.nonforested.SIV","CF":"((((SIV8*SIV9)^(1/2))*SIV10)*SIV11)","Eqtn":"CF"} {"model":"marshwren","species":"Cistothorus palustris ","geography":"Throughout much of the United States and southern Canada. ","ecosystem":"Coastal Wetland, Fresh Wetland, Lake, Large River, Stream ","documentation":"Gutzwiller, K.J., and S.H. Anderson. 1987. Habitat suitability index models: marsh wren. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.139). 13 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/b35378a0-cbd3-427d-fe9a-daa1f172ed49","SIV1":"emerg.hydrophytes.SIV","SIV2":"emerg.herb.can.cov.SIV","SIV3":"avg.wtr.d.cm.SIV","SIV4":"woody.can.cov.SIV","CCR":"(((SIV1*SIV2*SIV3)^(1/3))*SIV4)","Eqtn":"CCR"} {"model":"marten","species":"Martes americana ","geography":"Boreal coniferous forests of the western United States ","documentation":"Allen, A.W. 1982. Habitat suitability index models: Marten. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.11. 9 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/9f3703a8-c56d-430d-fceb-cb3dc0fb74b3","SIV1":"tree.can.closure.SIV","SIV2":"overstory.can.fir.spruce.SIV","SIV3":"successional.stage.of.stand.SIV","SIV4":"ground.surface.downfall.mtoe7.6cm.SIV","CWC":"(SIV1*SIV2*SIV3*SIV4)^(1/2)","Eqtn":"CWC"} {"model":"minkPaluEmergHerb","submodel":"Cover type palustrine emergent herbaceous wetland","species":"Mustela vison","geography":"Central, eastern, and north western United States","ecosystem":"Coastal Wetland, Fresh Wetland, Lake, Large River, Large Watershed/Major Restoration, S-M Watershed","documentation":"Allen, A.W. 1986. Habitat suitability index models: mink, revised. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.127). 23 pp. [First printed as: FWS/OBS-82/10.61, October 1983.]","website":"https://ecolibrary.sec.usace.army.mil/resource/adcd8e6b-26d7-408d-e383-2abb2fecec44","SIV1":"surface.wtr.present.all.yr.SIV","SIV4":"emerg.veg.can.cov.SIV","SIV5":"can.cov.trees.shrubs.in.100m.SIV","CCF":"((4*SIV4)+SIV5)/5","CW":"SIV1","Eqtn":"min(CCF,CW)"} {"model":"minkPaluForestedOrShrubLess405ha","submodel":"Cover type palustrine forested wetland or shrub wetland =>405ha","species":"Mustela vison","geography":"Central, eastern, and north western United States","ecosystem":"Coastal Wetland, Fresh Wetland, Lake, Large River, Large Watershed/Major Restoration, S-M Watershed","documentation":"Allen, A.W. 1986. Habitat suitability index models: mink, revised. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.127). 23 pp. [First printed as: FWS/OBS-82/10.61, October 1983.]","website":"https://ecolibrary.sec.usace.army.mil/resource/adcd8e6b-26d7-408d-e383-2abb2fecec44","SIV1":"surface.wtr.present.all.yr.SIV","SIV2":"tree.can.cov.SIV","SIV3":"shrub.can.cov.SIV","SIV4":"emergent.veg.can.cov.SIV","SIV5":"can.cov.trees.shrubs.in.100m.SIV","CCF":"(min(1,(SIV2+SIV3+SIV4))+SIV5)/2","CW":"SIV1","Eqtn":"min(CCF,CW)"} {"model":"minkPaluForestedOrShrubMore405ha","submodel":"Cover type palustrine forested wetland or shrub wetland <405ha","species":"Mustela vison","geography":"Central, eastern, and north western United States","ecosystem":"Coastal Wetland, Fresh Wetland, Lake, Large River, Large Watershed/Major Restoration, S-M Watershed","documentation":"Allen, A.W. 1986. Habitat suitability index models: mink, revised. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.127). 23 pp. [First printed as: FWS/OBS-82/10.61, October 1983.]","website":"https://ecolibrary.sec.usace.army.mil/resource/adcd8e6b-26d7-408d-e383-2abb2fecec44","SIV1":"surface.wtr.present.all.yr.SIV","SIV2":"tree.can.cov.SIV","SIV3":"shrub.can.cov.SIV","SIV4":"emergent.veg.can.cov.SIV","CCF":"min(1,(SIV2+SIV3+SIV4))","CW":"SIV1","Eqtn":"min(CCF,CW)"} {"model":"minkRivLac","submodel":"Cover type lacustrine","species":"Mustela vison","geography":"Central, eastern, and north western United States","ecosystem":"Coastal Wetland, Fresh Wetland, Lake, Large River, Large Watershed/Major Restoration, S-M Watershed","documentation":"Allen, A.W. 1986. Habitat suitability index models: mink, revised. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.127). 23 pp. [First printed as: FWS/OBS-82/10.61, October 1983.]","website":"https://ecolibrary.sec.usace.army.mil/resource/adcd8e6b-26d7-408d-e383-2abb2fecec44","SIV1":"surface.wtr.present.all.yr.SIV","SIV5":"can.cov.trees.shrubs.in.100m.SIV","SIV6":"shoreline.cov.SIV","CCF":"(SIV5*SIV6)^(1/2)","CW":"SIV1","Eqtn":"min(CCF,CW)"} {"model":"mooseLakeSupModelII","submodel":"Lake Superior Model II","species":"Alces alces","geography":"Lake Superior region","ecosystem":"Fresh wetland, lake, large river","documentation":"Allen, A.W., P.A. Jordan, and J.W. Terrell. 1987. Habitat suitability index models: moose, Lake Superior region. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.155). 47 pp.","note":"Only model II considered","website":"https://ecolibrary.sec.usace.army.mil/resource/06caa305-f354-48f4-c636-0fba6228f65f","SIV10":"area.shrub.forest.lt20yrs.SIV","SIV11":"area.spruce.fir.mtoe20yrs.SIV","SIV12":"area.upland.decid.mixed.forest.mtoe20yrs.SIV","SIV13":"area.riv.lac.palu.not.dominated.woody.veg.SIV","CC":"(SIV10*SIV11*SIV12*SIV13)^(1/4)","Eqtn":"CC"} {"model":"mottledduckAny","submodel":"Any type of cover","species":"Anas fulvigula maculosa","geography":"Gulf coast of Louisiana, Texas, and Mexico","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland","documentation":"Rorabaugh, J.E., and P.J. Zwank. 1983. Habitat suitability index models: mottled duck. U.S. Dept. Int. Fish Wildl. Service FWS/OBS-82/10.5226 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/378a0547-0424-4398-9904-568762587527","SIV1":"unsubm.subs.SIV","SIV2":"can.cov.SIV","SIV3":"structure.of.herb.veg.SIV","SIV4":"continually.subm.subs.SIV","SIV5":"structure.wood.herb.veg.SIV","SIV6":"study.area.land.SIV","SIV7":"subm.sub.wtr.d.lt30cm.SIV","SIV8":"disturbance.lvl.SIV","CF":"SIV7","CR":"(((min((SIV1*SIV2*SIV3)^(1/3), (SIV4*SIV5)^(1/2)))^(2))*SIV6)^(1/3)","COT":"SIV8","Eqtn":"min(CR, CF, COT)"} {"model":"mottledduckBrood","submodel":"Hen with Brood Cover","species":"Anas fulvigula maculosa","geography":"Gulf coast of Louisiana, Texas, and Mexico","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland","documentation":"Rorabaugh, J.E., and P.J. Zwank. 1983. Habitat suitability index models: mottled duck. U.S. Dept. Int. Fish Wildl. Service FWS/OBS-82/10.5226 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/378a0547-0424-4398-9904-568762587527","SIV4":"continually.subm.subs.SIV","SIV5":"structure.wood.herb.veg.SIV","SIV6":"study.area.land.SIV","SIV7":"subm.sub.wtr.d.lt30cm.SIV","SIV8":"disturbance.lvl.SIV","CF":"SIV7","CR":"((((SIV4*SIV5)^(1/2))^2)*SIV6)^(1/3)","COT":"SIV8","Eqtn":"min(CR, CF, COT)"} {"model":"mottledduckNesting","submodel":"Nesting Hen Cover","species":"Anas fulvigula maculosa","geography":"Gulf coast of Louisiana, Texas, and Mexico","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland","documentation":"Rorabaugh, J.E., and P.J. Zwank. 1983. Habitat suitability index models: mottled duck. U.S. Dept. Int. Fish Wildl. Service FWS/OBS-82/10.5226 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/378a0547-0424-4398-9904-568762587527","SIV1":"unsubm.subs.SIV","SIV2":"can.cov.SIV","SIV3":"structure.of.herb.veg.SIV","SIV6":"study.area.land.SIV","SIV7":"subm.sub.wtr.d.lt30cm.SIV","SIV8":"disturbance.lvl.SIV","CF":"SIV7","CR":"((((SIV1*SIV2*SIV3)^(1/3))^(2))*SIV6)^(1/3)","COT":"SIV8","Eqtn":"min(CR, CF, COT)"} {"model":"muskellungeLargeLakeSpwnVegCurveA","submodel":"Large lake spawning vegetation curve A","species":"Esox masquinongy","geography":"Contiguous 48 States and Canada","ecosystem":"Lake, Large River, Stream","documentation":"Cook, MF, and RC Solomon. 1987. Habitat suitability index models: Muskellunge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.148). 33 pp.","note":"Vegetation and debris consist of material with high fibrous content that provides support and circulation for eggs; good DO based on substrate; low BOD","website":"https://ecolibrary.sec.usace.army.mil/resource/72d73173-f056-48e3-fdfd-2d6e6b471366","SIV1":"avg.Secchi.transparency.SIV","SIV2":"forage.fish.abund.SIV","SIV3":"forage.fish.size.diversity.SIV","SIV4":"DO.winter.SIV","SIV5":"max.wtr.temp.ep.SIV","SIV6":"midsummer.emerg.aq.veg.large.lake.SIV","SIV7":"min.DO.spring.SIV","SIV8":"drop.in.wtr.lvl.emb.SIV","SIV8B":"drop.in.wtr.lvl.larval.SIV","SIV9":"ratio.spwn.summer.hab.curveA.SIV","SIV10":"northern.pike.density.SIV","SIV11":"water.body.size.SIV","CF":"min(SIV1, (SIV2*SIV3)^(1/2))","CWQ":"min(SIV4, SIV5)","CCR":"min(SIV6,SIV7,SIV8,SIV8B,SIV9)","COT":"(SIV10*SIV11)^(1/2)","Eqtn":"min(CF, CWQ, CCR, COT)"} {"model":"muskellungeLargeLakeSpwnVegCurveB","submodel":"Large lake spawning vegetation curve B","species":"Esox masquinongy","geography":"Contiguous 48 States and Canada","ecosystem":"Lake, Large River, Stream","documentation":"Cook, MF, and RC Solomon. 1987. Habitat suitability index models: Muskellunge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.148). 33 pp.","note":"Similar vegetation to A, but bottom is more silty or organic with moderate BOD","website":"https://ecolibrary.sec.usace.army.mil/resource/72d73173-f056-48e3-fdfd-2d6e6b471366","SIV1":"avg.Secchi.transparency.SIV","SIV2":"forage.fish.abund.SIV","SIV3":"forage.fish.size.diversity.SIV","SIV4":"DO.winter.SIV","SIV5":"max.wtr.temp.ep.SIV","SIV6":"midsummer.emerg.aq.veg.large.lake.SIV","SIV7":"min.DO.spring.SIV","SIV8":"drop.in.wtr.lvl.emb.SIV","SIV8B":"drop.in.wtr.lvl.larval.SIV","SIV9":"ratio.spwn.summer.hab.curveB.SIV","SIV10":"northern.pike.density.SIV","SIV11":"water.body.size.SIV","CF":"min(SIV1, (SIV2*SIV3)^(1/2))","CWQ":"min(SIV4, SIV5)","CCR":"min(SIV6,SIV7,SIV8,SIV8B,SIV9)","COT":"(SIV10*SIV11)^(1/2)","Eqtn":"min(CF, CWQ, CCR, COT)"} {"model":"muskellungeLargeLakeSpwnVegCurveC","submodel":"Large lake spawning vegetation curve C","species":"Esox masquinongy","geography":"Contiguous 48 States and Canada","ecosystem":"Lake, Large River, Stream","documentation":"Cook, MF, and RC Solomon. 1987. Habitat suitability index models: Muskellunge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.148). 33 pp.","note":"Vegetation and debris with lower fibrous content that provide minimal support and circulation for eggs; similar substrate to A; moderate BOD","website":"https://ecolibrary.sec.usace.army.mil/resource/72d73173-f056-48e3-fdfd-2d6e6b471366","SIV1":"avg.Secchi.transparency.SIV","SIV2":"forage.fish.abund.SIV","SIV3":"forage.fish.size.diversity.SIV","SIV4":"DO.winter.SIV","SIV5":"max.wtr.temp.ep.SIV","SIV6":"midsummer.emerg.aq.veg.large.lake.SIV","SIV7":"min.DO.spring.SIV","SIV8":"drop.in.wtr.lvl.emb.SIV","SIV8B":"drop.in.wtr.lvl.larval.SIV","SIV9":"ratio.spwn.summer.hab.curveC.SIV","SIV10":"northern.pike.density.SIV","SIV11":"water.body.size.SIV","CF":"min(SIV1, (SIV2*SIV3)^(1/2))","CWQ":"min(SIV4, SIV5)","CCR":"min(SIV6,SIV7,SIV8,SIV8B,SIV9)","COT":"(SIV10*SIV11)^(1/2)","Eqtn":"min(CF, CWQ, CCR, COT)"} {"model":"muskellungeLargeLakeSpwnVegCurveD","submodel":"Large lake spawning vegetation curve D","species":"Esox masquinongy","geography":"Contiguous 48 States and Canada","ecosystem":"Lake, Large River, Stream","documentation":"Cook, MF, and RC Solomon. 1987. Habitat suitability index models: Muskellunge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.148). 33 pp.","note":"Similar vegetation to C, but bottom is more silty or organic; high BOD","website":"https://ecolibrary.sec.usace.army.mil/resource/72d73173-f056-48e3-fdfd-2d6e6b471366","SIV1":"avg.Secchi.transparency.SIV","SIV2":"forage.fish.abund.SIV","SIV3":"forage.fish.size.diversity.SIV","SIV4":"DO.winter.SIV","SIV5":"max.wtr.temp.ep.SIV","SIV6":"midsummer.emerg.aq.veg.large.lake.SIV","SIV7":"min.DO.spring.SIV","SIV8":"drop.in.wtr.lvl.emb.SIV","SIV8B":"drop.in.wtr.lvl.larval.SIV","SIV9":"ratio.spwn.summer.hab.curveD.SIV","SIV10":"northern.pike.density.SIV","SIV11":"water.body.size.SIV","CF":"min(SIV1, (SIV2*SIV3)^(1/2))","CWQ":"min(SIV4, SIV5)","CCR":"min(SIV6,SIV7,SIV8,SIV8B,SIV9)","COT":"(SIV10*SIV11)^(1/2)","Eqtn":"min(CF, CWQ, CCR, COT)"} {"model":"muskellungeSmallLakeSpwnVegCurveA","submodel":"Small lake spawning vegetation curve A","species":"Esox masquinongy","geography":"Contiguous 48 States and Canada","ecosystem":"Lake, Large River, Stream","documentation":"Cook, MF, and RC Solomon. 1987. Habitat suitability index models: Muskellunge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.148). 33 pp.","note":"Vegetation and debris consist of material with high fibrous content that provides support and circulation for eggs; good DO based on substrate; low BOD","website":"https://ecolibrary.sec.usace.army.mil/resource/72d73173-f056-48e3-fdfd-2d6e6b471366","SIV1":"avg.Secchi.transparency.SIV","SIV2":"forage.fish.abund.SIV","SIV3":"forage.fish.size.diversity.SIV","SIV4":"DO.winter.SIV","SIV5":"max.wtr.temp.ep.SIV","SIV6":"midsummer.emerg.aq.veg.small.lake.SIV","SIV7":"min.DO.spring.SIV","SIV8":"drop.in.wtr.lvl.emb.SIV","SIV8B":"drop.in.wtr.lvl.larval.SIV","SIV9":"ratio.spwn.summer.hab.curveA.SIV","SIV10":"northern.pike.density.SIV","SIV11":"water.body.size.SIV","CF":"min(SIV1, (SIV2*SIV3)^(1/2))","CWQ":"min(SIV4, SIV5)","CCR":"min(SIV6,SIV7,SIV8,SIV8B,SIV9)","COT":"(SIV10*SIV11)^(1/2)","Eqtn":"min(CF, CWQ, CCR, COT)"} {"model":"muskellungeSmallLakeSpwnVegCurveB","submodel":"Small lake spawning vegetation curve B","species":"Esox masquinongy","geography":"Contiguous 48 States and Canada","ecosystem":"Lake, Large River, Stream","documentation":"Cook, MF, and RC Solomon. 1987. Habitat suitability index models: Muskellunge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.148). 33 pp.","note":"Similar vegetation to A, but bottom is more silty or organic with moderate BOD","website":"https://ecolibrary.sec.usace.army.mil/resource/72d73173-f056-48e3-fdfd-2d6e6b471366","SIV1":"avg.Secchi.transparency.SIV","SIV2":"forage.fish.abund.SIV","SIV3":"forage.fish.size.diversity.SIV","SIV4":"DO.winter.SIV","SIV5":"max.wtr.temp.ep.SIV","SIV6":"midsummer.emerg.aq.veg.small.lake.SIV","SIV7":"min.DO.spring.SIV","SIV8":"drop.in.wtr.lvl.emb.SIV","SIV8B":"drop.in.wtr.lvl.larval.SIV","SIV9":"ratio.spwn.summer.hab.curveB.SIV","SIV10":"northern.pike.density.SIV","SIV11":"water.body.size.SIV","CF":"min(SIV1, (SIV2*SIV3)^(1/2))","CWQ":"min(SIV4, SIV5)","CCR":"min(SIV6,SIV7,SIV8,SIV8B,SIV9)","COT":"(SIV10*SIV11)^(1/2)","Eqtn":"min(CF, CWQ, CCR, COT)"} {"model":"muskellungeSmallLakeSpwnVegCurveC","submodel":"Small lake spawning vegetation curve C","species":"Esox masquinongy","geography":"Contiguous 48 States and Canada","ecosystem":"Lake, Large River, Stream","documentation":"Cook, MF, and RC Solomon. 1987. Habitat suitability index models: Muskellunge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.148). 33 pp.","note":"Vegetation and debris with lower fibrous content that provide minimal support and circulation for eggs; similar substrate to A; moderate BOD","website":"https://ecolibrary.sec.usace.army.mil/resource/72d73173-f056-48e3-fdfd-2d6e6b471366","SIV1":"avg.Secchi.transparency.SIV","SIV2":"forage.fish.abund.SIV","SIV3":"forage.fish.size.diversity.SIV","SIV4":"DO.winter.SIV","SIV5":"max.wtr.temp.ep.SIV","SIV6":"midsummer.emerg.aq.veg.small.lake.SIV","SIV7":"min.DO.spring.SIV","SIV8":"drop.in.wtr.lvl.emb.SIV","SIV8B":"drop.in.wtr.lvl.larval.SIV","SIV9":"ratio.spwn.summer.hab.curveC.SIV","SIV10":"northern.pike.density.SIV","SIV11":"water.body.size.SIV","CF":"min(SIV1, (SIV2*SIV3)^(1/2))","CWQ":"min(SIV4, SIV5)","CCR":"min(SIV6,SIV7,SIV8,SIV8B,SIV9)","COT":"(SIV10*SIV11)^(1/2)","Eqtn":"min(CF, CWQ, CCR, COT)"} {"model":"muskellungeSmallLakeSpwnVegCurveD","submodel":"Small lake spawning vegetation curve D","species":"Esox masquinongy","geography":"Contiguous 48 States and Canada","ecosystem":"Lake, Large River, Stream","documentation":"Cook, MF, and RC Solomon. 1987. Habitat suitability index models: Muskellunge. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.148). 33 pp.","note":"Similar vegetation to C, but bottom is more silty or organic; high BOD","website":"https://ecolibrary.sec.usace.army.mil/resource/72d73173-f056-48e3-fdfd-2d6e6b471366","SIV1":"avg.Secchi.transparency.SIV","SIV2":"forage.fish.abund.SIV","SIV3":"forage.fish.size.diversity.SIV","SIV4":"DO.winter.SIV","SIV5":"max.wtr.temp.ep.SIV","SIV6":"midsummer.emerg.aq.veg.small.lake.SIV","SIV7":"min.DO.spring.SIV","SIV8":"drop.in.wtr.lvl.emb.SIV","SIV8B":"drop.in.wtr.lvl.larval.SIV","SIV9":"ratio.spwn.summer.hab.curveD.SIV","SIV10":"northern.pike.density.SIV","SIV11":"water.body.size.SIV","CF":"min(SIV1, (SIV2*SIV3)^(1/2))","CWQ":"min(SIV4, SIV5)","CCR":"min(SIV6,SIV7,SIV8,SIV8B,SIV9)","COT":"(SIV10*SIV11)^(1/2)","Eqtn":"min(CF, CWQ, CCR, COT)"} {"model":"muskratEstu","submodel":"Estuarine","species":"Ondatra zibethicus","geography":"The inland muskrat model has been developed for application in freshwater habitats throughout the range of the species. The estuarine model is applicable to Atlantic and Gulf of Mexico coastal marshes","ecosystem":"Fresh Wetland, Large River","documentation":"Allen, A.W., and R.D. Hoffman. 1984. Habitat suitability index models: Muskrat. U.S. Fish Wildl. Serv. FWS/OBS-82/10.46. 27 pp.","note":"Area weighting not considered in model. If marsh water level fluctuates more than 90.0 cm (35.4 inches) per year or below the marsh substrate during summer or winter, or water salinity exceeds 30 ppt for more than one week , do not continue with model; HSI for muskrats is assumed to be 0.0.","website":"https://ecolibrary.sec.usace.army.mil/resource/4aa765ca-a3bb-4aff-dae9-7f0a88b9ba93","SIV1":"can.cover.emergent.herb.veg.SIV","SIV7":"emergent.heb.veg.persistent.life.form.species.SIV","SIV8":"emergent.herb.veg.bulrush.common.threesquare.bulrush.or.cattail.SIV","SIV9":"open.wtr.with.floating.or.subm.veg.SIV","CCF":"((SIV1*SIV7*(SIV8^2))^(1/4))+SIV9","Eqtn":"CCF"} {"model":"muskratHW","submodel":"Herbaceous Wetland","species":"Ondatra zibethicus","geography":"The inland muskrat model has been developed for application in freshwater habitats throughout the range of the species. The estuarine model is applicable to Atlantic and Gulf of Mexico coastal marshes","ecosystem":"Fresh Wetland, Large River","documentation":"Allen, A.W., and R.D. Hoffman. 1984. Habitat suitability index models: Muskrat. U.S. Fish Wildl. Serv. FWS/OBS-82/10.46. 27 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/4aa765ca-a3bb-4aff-dae9-7f0a88b9ba93","SIV1":"can.cover.emergent.herb.veg.SIV","SIV2":"yr.surface.wtr.present.SIV","SIV8":"emergent.herb.veg.bulrush.common.threesquare.bulrush.or.cattail.SIV","CF":"(SIV1*SIV8)^(1/2)","CC":"(SIV1*SIV2)^(1/2)","Eqtn":"min(CF, CC)"} {"model":"muskratRiv","submodel":"Riverine","species":"Ondatra zibethicus","geography":"The inland muskrat model has been developed for application in freshwater habitats throughout the range of the species. The estuarine model is applicable to Atlantic and Gulf of Mexico coastal marshes.","ecosystem":"Fresh Wetland, Large River","documentation":"Allen, A.W., and R.D. Hoffman. 1984. Habitat suitability index models: Muskrat. U.S. Fish Wildl. Serv. FWS/OBS-82/10.46. 27 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/4aa765ca-a3bb-4aff-dae9-7f0a88b9ba93","SIV2":"yr.surface.wtr.present.SIV","SIV3":"strm.gradient.SIV","SIV4":"riv.channel.with.surface.wtr.SIV","SIV5":"riv.channel.herbaceous.veg.SIV","SIV6":"herb.can.cov.SIV","CF":"ifelse(((SIV6+(2*SIV5))/2) >1, 1, ((SIV6+(2*SIV5))/2))","CC":"(((SIV2*SIV3*SIV4)^(1/3))+SIV5)/2","Eqtn":"min(CF, CC)"} {"model":"northernbobwhiteCroplands","submodel":"Cropland cover types (do not offer nesting habitat)","species":"Colinus virginianus","geography":"Southeastern Wyoming, east to southern Minnesota and across to southern Maine, south through the central and eastern United States to eastern New Mexico in the West and Florida in the East.","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Northern bobwhite. U.S. Fish Wildl. Serv. Biol. Rep. 82 (10.104). 32 pp.","note":"Area weighting not considered in model. HSI calculated from component equation mean, and SIVs 11, 12, and 13 are excluded.","website":"https://ecolibrary.sec.usace.army.mil/resource/564c1a3d-ef27-425e-b636-a2f49e02bdb2","SIV1":"can.cov.herb.food.SIV","SIV2":"ground.bare.or.covered.light.litter.SIV","SIV3":"crop.type.present.SIV","SIV4":"overwinter.crop.management.SIV","SIV6":"can.cov.woody.veg.lt0.2m.SIV","SIV14":"dist.between.cov.types.SIV","CC":"SIV6","CWF":"(2/3)*(SIV1*SIV2)","CIN":"SIV14","Eqtn":"mean(CWF,CC,CIN)"} {"model":"northernbobwhiteDbh25.4cm","submodel":"Pine or oak tree dbh 25.4cm","species":"Colinus virginianus","geography":"Southeastern Wyoming, east to southern Minnesota and across to southern Maine, south through the central and eastern United States to eastern New Mexico in the West and Florida in the East.","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Northern bobwhite. U.S. Fish Wildl. Serv. Biol. Rep. 82 (10.104). 32 pp.","note":"Area weighting not considered in model. HSI calculated from component equation mean, and SIVs 11, 12, and 13 are excluded.","website":"https://ecolibrary.sec.usace.army.mil/resource/564c1a3d-ef27-425e-b636-a2f49e02bdb2","SIV1":"can.cov.herb.food.SIV","SIV2":"ground.bare.or.covered.light.litter.SIV","SIV5":"num.pine.oak.trees.per.ha.SIV","SIV6":"can.cov.woody.veg.lt0.2m.SIV","SIV7":"herb.can.cov.SIV","SIV8":"height.herb.can.SIV","SIV9":"proportion.of.herb.can.grass.SIV","SIV10":"soil.moisture.regime.SIV","SIV14":"dist.between.cov.types.SIV","CC":"SIV6","CWF":"(2/3)*(SIV1*SIV2)","CN":"(((SIV7*SIV8*SIV9)^(1/2))*SIV10)","CIN":"SIV14","Eqtn":"mean(CWF,CC,CN,CIN)"} {"model":"northernbobwhiteDbh27.9cm","submodel":"Pine or oak tree dbh 27.9cm","species":"Colinus virginianus","geography":"Southeastern Wyoming, east to southern Minnesota and across to southern Maine, south through the central and eastern United States to eastern New Mexico in the West and Florida in the East.","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Northern bobwhite. U.S. Fish Wildl. Serv. Biol. Rep. 82 (10.104). 32 pp.","note":"Area weighting not considered in model. HSI calculated from component equation mean, and SIVs 11, 12, and 13 are excluded.","website":"https://ecolibrary.sec.usace.army.mil/resource/564c1a3d-ef27-425e-b636-a2f49e02bdb2","SIV1":"can.cov.herb.food.SIV","SIV2":"ground.bare.or.covered.light.litter.SIV","SIV5":"num.pine.oak.trees.per.ha.SIV","SIV6":"can.cov.woody.veg.lt0.2m.SIV","SIV7":"herb.can.cov.SIV","SIV8":"height.herb.can.SIV","SIV9":"proportion.of.herb.can.grass.SIV","SIV10":"soil.moisture.regime.SIV","SIV14":"dist.between.cov.types.SIV","CC":"SIV6","CWF":"(2/3)*(SIV1*SIV2)","CN":"(((SIV7*SIV8*SIV9)^(1/2))*SIV10)","CIN":"SIV14","Eqtn":"mean(CWF,CC,CN,CIN)"} {"model":"northernbobwhiteDbh30.5cm","submodel":"Pine or oak tree dbh 30.5cm","species":"Colinus virginianus","geography":"Southeastern Wyoming, east to southern Minnesota and across to southern Maine, south through the central and eastern United States to eastern New Mexico in the West and Florida in the East.","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Northern bobwhite. U.S. Fish Wildl. Serv. Biol. Rep. 82 (10.104). 32 pp.","note":"Area weighting not considered in model. HSI calculated from component equation mean, and SIVs 11, 12, and 13 are excluded.","website":"https://ecolibrary.sec.usace.army.mil/resource/564c1a3d-ef27-425e-b636-a2f49e02bdb2","SIV1":"can.cov.herb.food.SIV","SIV2":"ground.bare.or.covered.light.litter.SIV","SIV5":"num.pine.oak.trees.per.ha.SIV","SIV6":"can.cov.woody.veg.lt0.2m.SIV","SIV7":"herb.can.cov.SIV","SIV8":"height.herb.can.SIV","SIV9":"proportion.of.herb.can.grass.SIV","SIV10":"soil.moisture.regime.SIV","SIV14":"dist.between.cov.types.SIV","CC":"SIV6","CWF":"(2/3)*(SIV1*SIV2)","CN":"(((SIV7*SIV8*SIV9)^(1/2))*SIV10)","CIN":"SIV14","Eqtn":"mean(CWF,CC,CN,CIN)"} {"model":"northernbobwhiteDbh33.0cm","submodel":"Pine or oak tree dbh 33.0cm","species":"Colinus virginianus","geography":"Southeastern Wyoming, east to southern Minnesota and across to southern Maine, south through the central and eastern United States to eastern New Mexico in the West and Florida in the East.","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Northern bobwhite. U.S. Fish Wildl. Serv. Biol. Rep. 82 (10.104). 32 pp.","note":"Area weighting not considered in model. HSI calculated from component equation mean, and SIVs 11, 12, and 13 are excluded.","website":"https://ecolibrary.sec.usace.army.mil/resource/564c1a3d-ef27-425e-b636-a2f49e02bdb2","SIV1":"can.cov.herb.food.SIV","SIV2":"ground.bare.or.covered.light.litter.SIV","SIV5":"num.pine.oak.trees.per.ha.SIV","SIV6":"can.cov.woody.veg.lt0.2m.SIV","SIV7":"herb.can.cov.SIV","SIV8":"height.herb.can.SIV","SIV9":"proportion.of.herb.can.grass.SIV","SIV10":"soil.moisture.regime.SIV","SIV14":"dist.between.cov.types.SIV","CC":"SIV6","CWF":"(2/3)*(SIV1*SIV2)","CN":"(((SIV7*SIV8*SIV9)^(1/2))*SIV10)","CIN":"SIV14","Eqtn":"mean(CWF,CC,CN,CIN)"} {"model":"northernbobwhiteDbh35.6cm","submodel":"Pine or oak tree dbh 35.6cm","species":"Colinus virginianus","geography":"Southeastern Wyoming, east to southern Minnesota and across to southern Maine, south through the central and eastern United States to eastern New Mexico in the West and Florida in the East.","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Northern bobwhite. U.S. Fish Wildl. Serv. Biol. Rep. 82 (10.104). 32 pp.","note":"Area weighting not considered in model. HSI calculated from component equation mean, and SIVs 11, 12, and 13 are excluded.","website":"https://ecolibrary.sec.usace.army.mil/resource/564c1a3d-ef27-425e-b636-a2f49e02bdb2","SIV1":"can.cov.herb.food.SIV","SIV2":"ground.bare.or.covered.light.litter.SIV","SIV5":"num.pine.oak.trees.per.ha.SIV","SIV6":"can.cov.woody.veg.lt0.2m.SIV","SIV7":"herb.can.cov.SIV","SIV8":"height.herb.can.SIV","SIV9":"proportion.of.herb.can.grass.SIV","SIV10":"soil.moisture.regime.SIV","SIV14":"dist.between.cov.types.SIV","CC":"SIV6","CWF":"(2/3)*(SIV1*SIV2)","CN":"(((SIV7*SIV8*SIV9)^(1/2))*SIV10)","CIN":"SIV14","Eqtn":"mean(CWF,CC,CN,CIN)"} {"model":"northernbobwhiteDbh38.1cm","submodel":"Pine or oak tree dbh 38.1cm","species":"Colinus virginianus","geography":"Southeastern Wyoming, east to southern Minnesota and across to southern Maine, south through the central and eastern United States to eastern New Mexico in the West and Florida in the East.","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Northern bobwhite. U.S. Fish Wildl. Serv. Biol. Rep. 82 (10.104). 32 pp.","note":"Area weighting not considered in model. HSI calculated from component equation mean, and SIVs 11, 12, and 13 are excluded.","website":"https://ecolibrary.sec.usace.army.mil/resource/564c1a3d-ef27-425e-b636-a2f49e02bdb2","SIV1":"can.cov.herb.food.SIV","SIV2":"ground.bare.or.covered.light.litter.SIV","SIV5":"num.pine.oak.trees.per.ha.SIV","SIV6":"can.cov.woody.veg.lt0.2m.SIV","SIV7":"herb.can.cov.SIV","SIV8":"height.herb.can.SIV","SIV9":"proportion.of.herb.can.grass.SIV","SIV10":"soil.moisture.regime.SIV","SIV14":"dist.between.cov.types.SIV","CC":"SIV6","CWF":"(2/3)*(SIV1*SIV2)","CN":"(((SIV7*SIV8*SIV9)^(1/2))*SIV10)","CIN":"SIV14","Eqtn":"mean(CWF,CC,CN,CIN)"} {"model":"northernbobwhiteShrub","submodel":"Shrub dominated cover types","species":"Colinus virginianus","geography":"Southeastern Wyoming, east to southern Minnesota and across to southern Maine, south through the central and eastern United States to eastern New Mexico in the West and Florida in the East.","documentation":"Schroeder, R.L. 1985. Habitat suitability index models: Northern bobwhite. U.S. Fish Wildl. Serv. Biol. Rep. 82 (10.104). 32 pp.","note":"Area weighting not considered in model. HSI calculated from component equation mean, and SIVs 11, 12, and 13 are excluded.","website":"https://ecolibrary.sec.usace.army.mil/resource/564c1a3d-ef27-425e-b636-a2f49e02bdb2","SIV1":"can.cov.herb.food.SIV","SIV2":"ground.bare.or.covered.light.litter.SIV","SIV6":"can.cov.woody.veg.lt0.2m.SIV","SIV7":"herb.can.cov.SIV","SIV8":"height.herb.can.SIV","SIV9":"proportion.of.herb.can.grass.SIV","SIV10":"soil.moisture.regime.SIV","SIV14":"dist.between.cov.types.SIV","CC":"SIV6","CWF":"(2/3)*(SIV1*SIV2)","CN":"(((SIV7*SIV8*SIV9)^(1/2))*SIV10)","CIN":"SIV14","Eqtn":"mean(CWF,CC,CN,CIN)"} {"model":"northernpikeLacVegA","submodel":"Lacustrine habitat for northern pike with >80% vegetation on the lake bottom and dense plant material in the water column up to 15cm above the substrate (Curve A for SIV1)","species":"Esox lucius ","geography":"Throughout North America ","ecosystem":"Lake","documentation":"Inskip, PD. 1982. Habitat suitability index models: Northern pike. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.17. 40 pp. ","note":"SIV3 and 3B and SIV7 and 7B are mutually exclusive. If the max depth of a habitat is less than or equal to 3m with ice coverage more than two months of the year, enter SIV value for SIV3 and NA for SIV3B; otherwise, enter SIV value for SIV3B and NA for SIV3. If a waterbody is stratified with dissolved oxygen concentrations greater than or equal to 1.5ppm in the metalimnion, enter SIV value for SIV7 and NA for SIV7B; otherwise, enter SIV value for SIV7B and NA for SIV7.","website":"https://ecolibrary.sec.usace.army.mil/resource/ac741519-9c6d-46f1-d522-ecab1a247481","SIV1":"ratio.spwn.hab.to.summer.hab.SIV","SIV2":"drop.wtr.lvl.emb.fry.SIV","SIV2B":"drop.wtr.lvl.fry.stage.SIV","SIV3":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV3B":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV4":"TDS.concentration.surface.wtrs.SIV","SIV5":"least.suit.pH.spwn.hab.emb.fry.SIV","SIV6":"avg.length.frostfree.season.SIV","SIV7":"max.weekly.avg.temp.of.surface.layer.Mtoe1.5ppmDO.SIV","SIV7B":"max.weekly.avg.temp.of.surface.layer.Lt1.5ppmDO.SIV","Eqtn":"min(SIV1,SIV2,SIV2B,SIV3,SIV3B,SIV4,SIV5,SIV6,SIV7,SIV7B,na.rm=T)"} {"model":"northernpikeLacVegB","submodel":"Lacustrine habitat for northern pike with >60% vegetation on the lake bottom and dense plant material in the water column up to 15cm above the substrate (Curve B for SIV1)","species":"Esox lucius ","geography":"Throughout North America ","ecosystem":"Lake","documentation":"Inskip, PD. 1982. Habitat suitability index models: Northern pike. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.17. 40 pp. ","note":"SIV3 and 3B and SIV7 and 7B are mutually exclusive. If the max depth of a habitat is less than or equal to 3m with ice coverage more than two months of the year, enter SIV value for SIV3 and NA for SIV3B; otherwise, enter SIV value for SIV3B and NA for SIV3. If a waterbody is stratified with dissolved oxygen concentrations greater than or equal to 1.5ppm in the metalimnion, enter SIV value for SIV7 and NA for SIV7B; otherwise, enter SIV value for SIV7B and NA for SIV7.","website":"https://ecolibrary.sec.usace.army.mil/resource/ac741519-9c6d-46f1-d522-ecab1a247481","SIV1":"ratio.spwn.hab.to.summer.hab.SIV","SIV2":"drop.wtr.lvl.emb.fry.SIV","SIV2B":"drop.wtr.lvl.fry.stage.SIV","SIV3":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV3B":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV4":"TDS.concentration.surface.wtrs.SIV","SIV5":"least.suit.pH.spwn.hab.emb.fry.SIV","SIV6":"avg.length.frostfree.season.SIV","SIV7":"max.weekly.avg.temp.of.surface.layer.Mtoe1.5ppmDO.SIV","SIV7B":"max.weekly.avg.temp.of.surface.layer.Lt1.5ppmDO.SIV","Eqtn":"min(SIV1,SIV2,SIV2B,SIV3,SIV3B,SIV4,SIV5,SIV6,SIV7,SIV7B,na.rm=T)"} {"model":"northernpikeLacVegC","submodel":"Lacustrine habitat for northern pike with vegetation or debris covering much of the lake bottom but little plant material in the water column (Curve C for SIV1)","species":"Esox lucius ","geography":"Throughout North America ","ecosystem":"Lake","documentation":"Inskip, PD. 1982. Habitat suitability index models: Northern pike. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.17. 40 pp. ","note":"SIV3 and 3B and SIV7 and 7B are mutually exclusive. If the max depth of a habitat is less than or equal to 3m with ice coverage more than two months of the year, enter SIV value for SIV3 and NA for SIV3B; otherwise, enter SIV value for SIV3B and NA for SIV3. If a waterbody is stratified with dissolved oxygen concentrations greater than or equal to 1.5ppm in the metalimnion, enter SIV value for SIV7 and NA for SIV7B; otherwise, enter SIV value for SIV7B and NA for SIV7.","website":"https://ecolibrary.sec.usace.army.mil/resource/ac741519-9c6d-46f1-d522-ecab1a247481","SIV1":"ratio.spwn.hab.to.summer.hab.SIV","SIV2":"drop.wtr.lvl.emb.fry.SIV","SIV2B":"drop.wtr.lvl.fry.stage.SIV","SIV3":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV3B":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV4":"TDS.concentration.surface.wtrs.SIV","SIV5":"least.suit.pH.spwn.hab.emb.fry.SIV","SIV6":"avg.length.frostfree.season.SIV","SIV7":"max.weekly.avg.temp.of.surface.layer.Mtoe1.5ppmDO.SIV","SIV7B":"max.weekly.avg.temp.of.surface.layer.Lt1.5ppmDO.SIV","Eqtn":"min(SIV1,SIV2,SIV2B,SIV3,SIV3B,SIV4,SIV5,SIV6,SIV7,SIV7B,na.rm=T)"} {"model":"northernpikeLacVegD","submodel":"Lacustrine habitat for northern pike with thinly scattered vegetation or debris and little to no shelter for eggs and fry (Curve D for SIV1)","species":"Esox lucius ","geography":"Throughout North America ","ecosystem":"Lake","documentation":"Inskip, PD. 1982. Habitat suitability index models: Northern pike. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.17. 40 pp. ","note":"SIV3 and 3B and SIV7 and 7B are mutually exclusive. If the max depth of a habitat is less than or equal to 3m with ice coverage more than two months of the year, enter SIV value for SIV3 and NA for SIV3B; otherwise, enter SIV value for SIV3B and NA for SIV3. If a waterbody is stratified with dissolved oxygen concentrations greater than or equal to 1.5ppm in the metalimnion, enter SIV value for SIV7 and NA for SIV7B; otherwise, enter SIV value for SIV7B and NA for SIV7.","website":"https://ecolibrary.sec.usace.army.mil/resource/ac741519-9c6d-46f1-d522-ecab1a247481","SIV1":"ratio.spwn.hab.to.summer.hab.SIV","SIV2":"drop.wtr.lvl.emb.fry.SIV","SIV2B":"drop.wtr.lvl.fry.stage.SIV","SIV3":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV3B":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV4":"TDS.concentration.surface.wtrs.SIV","SIV5":"least.suit.pH.spwn.hab.emb.fry.SIV","SIV6":"avg.length.frostfree.season.SIV","SIV7":"max.weekly.avg.temp.of.surface.layer.Mtoe1.5ppmDO.SIV","SIV7B":"max.weekly.avg.temp.of.surface.layer.Lt1.5ppmDO.SIV","Eqtn":"min(SIV1,SIV2,SIV2B,SIV3,SIV3B,SIV4,SIV5,SIV6,SIV7,SIV7B,na.rm=T)"} {"model":"northernpikeRivVegA","submodel":"Riverine habitat for northern pike with >80% vegetation on the river bottom and dense plant material in the water column up to 15cm above the substrate (Curve A for SIV1)","species":"Esox lucius ","geography":"Throughout North America ","ecosystem":"Large River, Stream","documentation":"Inskip, PD. 1982. Habitat suitability index models: Northern pike. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.17. 40 pp. ","note":"SIV3 and 3B and SIV7 and 7B are mutually exclusive. If the max depth of a habitat is less than or equal to 3m with ice coverage more than two months of the year, enter SIV value for SIV3 and NA for SIV3B; otherwise, enter SIV value for SIV3B and NA for SIV3. If a waterbody is stratified with dissolved oxygen concentrations greater than or equal to 1.5ppm in the metalimnion, enter SIV value for SIV7 and NA for SIV7B; otherwise, enter SIV value for SIV7B and NA for SIV7. SIV4 should be excluded for riverine habitats unless TDS > 800ppm","website":"https://ecolibrary.sec.usace.army.mil/resource/ac741519-9c6d-46f1-d522-ecab1a247481","SIV1":"ratio.spwn.hab.to.summer.hab.SIV","SIV2":"drop.wtr.lvl.emb.fry.SIV","SIV2B":"drop.wtr.lvl.fry.stage.SIV","SIV3":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Ltoe3m.SIV","SIV3B":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV4":"TDS.concentration.surface.wtrs.SIV","SIV5":"least.suit.pH.spwn.hab.emb.fry.SIV","SIV6":"avg.length.frostfree.season.SIV","SIV7":"max.weekly.avg.temp.of.surface.layer.Mtoe1.5ppmDO.SIV","SIV7B":"max.weekly.avg.temp.of.surface.layer.Lt1.5ppmDO.SIV","SIV8":"area.backwaters.pls.or.standing.wtr.SIV","SIV9":"strm.gradient.SIV","Eqtn":"min(SIV1,SIV2,SIV2B,SIV3,SIV3B,SIV4,SIV5,SIV6,SIV7,SIV7B,SIV8,SIV9,na.rm=T)"} {"model":"northernpikeRivVegB","submodel":"Riverine habitat for northern pike with >60% vegetation on the river bottom and dense plant material in the water column up to 15cm above the substrate (Curve B for SIV1)","species":"Esox lucius ","geography":"Throughout North America ","ecosystem":"Large River, Stream","documentation":"Inskip, PD. 1982. Habitat suitability index models: Northern pike. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.17. 40 pp. ","note":"SIV3 and 3B and SIV7 and 7B are mutually exclusive. If the max depth of a habitat is less than or equal to 3m with ice coverage more than two months of the year, enter SIV value for SIV3 and NA for SIV3B; otherwise, enter SIV value for SIV3B and NA for SIV3. If a waterbody is stratified with dissolved oxygen concentrations greater than or equal to 1.5ppm in the metalimnion, enter SIV value for SIV7 and NA for SIV7B; otherwise, enter SIV value for SIV7B and NA for SIV7. SIV4 should be excluded for riverine habitats unless TDS > 800ppm","website":"https://ecolibrary.sec.usace.army.mil/resource/ac741519-9c6d-46f1-d522-ecab1a247481","SIV1":"ratio.spwn.hab.to.summer.hab.SIV","SIV2":"drop.wtr.lvl.emb.fry.SIV","SIV2B":"drop.wtr.lvl.fry.stage.SIV","SIV3":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV3B":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV4":"TDS.concentration.surface.wtrs.SIV","SIV5":"least.suit.pH.spwn.hab.emb.fry.SIV","SIV6":"avg.length.frostfree.season.SIV","SIV7":"max.weekly.avg.temp.of.surface.layer.Mtoe1.5ppmDO.SIV","SIV7B":"max.weekly.avg.temp.of.surface.layer.Lt1.5ppmDO.SIV","SIV8":"area.backwaters.pls.or.standing.wtr.SIV","SIV9":"strm.gradient.SIV","Eqtn":"min(SIV1,SIV2,SIV2B,SIV3,SIV3B,SIV4,SIV5,SIV6,SIV7,SIV7B,SIV8,SIV9,na.rm=T)"} {"model":"northernpikeRivVegC","submodel":"Riverine habitat for northern pike with vegetation or debris covering much of the river bottom but little plant material in the water column (Curve C for SIV1)","species":"Esox lucius ","geography":"Throughout North America ","ecosystem":"Large River, Stream","documentation":"Inskip, PD. 1982. Habitat suitability index models: Northern pike. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.17. 40 pp. ","note":"SIV3 and 3B and SIV7 and 7B are mutually exclusive. If the max depth of a habitat is less than or equal to 3m with ice coverage more than two months of the year, enter SIV value for SIV3 and NA for SIV3B; otherwise, enter SIV value for SIV3B and NA for SIV3. If a waterbody is stratified with dissolved oxygen concentrations greater than or equal to 1.5ppm in the metalimnion, enter SIV value for SIV7 and NA for SIV7B; otherwise, enter SIV value for SIV7B and NA for SIV7. SIV4 should be excluded for riverine habitats unless TDS > 800ppm","website":"https://ecolibrary.sec.usace.army.mil/resource/ac741519-9c6d-46f1-d522-ecab1a247481","SIV1":"ratio.spwn.hab.to.summer.hab.SIV","SIV2":"drop.wtr.lvl.emb.fry.SIV","SIV2B":"drop.wtr.lvl.fry.stage.SIV","SIV3":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV3B":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV4":"TDS.concentration.surface.wtrs.SIV","SIV5":"least.suit.pH.spwn.hab.emb.fry.SIV","SIV6":"avg.length.frostfree.season.SIV","SIV7":"max.weekly.avg.temp.of.surface.layer.Mtoe1.5ppmDO.SIV","SIV7B":"max.weekly.avg.temp.of.surface.layer.Lt1.5ppmDO.SIV","SIV8":"area.backwaters.pls.or.standing.wtr.SIV","SIV9":"strm.gradient.SIV","Eqtn":"min(SIV1,SIV2,SIV2B,SIV3,SIV3B,SIV4,SIV5,SIV6,SIV7,SIV7B,SIV8,SIV9,na.rm=T)"} {"model":"northernpikeRivVegD","submodel":"Riverine habitat for northern pike with thinly scattered vegetation or debris and little to no shelter for eggs and fry (Curve D for SIV1)","species":"Esox lucius ","geography":"Throughout North America ","ecosystem":"Large River, Stream","documentation":"Inskip, PD. 1982. Habitat suitability index models: Northern pike. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.17. 40 pp. ","note":"SIV3 and 3B and SIV7 and 7B are mutually exclusive. If the max depth of a habitat is less than or equal to 3m with ice coverage more than two months of the year, enter SIV value for SIV3 and NA for SIV3B; otherwise, enter SIV value for SIV3B and NA for SIV3. If a waterbody is stratified with dissolved oxygen concentrations greater than or equal to 1.5ppm in the metalimnion, enter SIV value for SIV7 and NA for SIV7B; otherwise, enter SIV value for SIV7B and NA for SIV7. SIV4 should be excluded for riverine habitats unless TDS > 800ppm","website":"https://ecolibrary.sec.usace.army.mil/resource/ac741519-9c6d-46f1-d522-ecab1a247481","SIV1":"ratio.spwn.hab.to.summer.hab.SIV","SIV2":"drop.wtr.lvl.emb.fry.SIV","SIV2B":"drop.wtr.lvl.fry.stage.SIV","SIV3":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV3B":"midsummer.area.emerg.or.submerg.aq.veg.max.depth.Mt3m.SIV","SIV4":"TDS.concentration.surface.wtrs.SIV","SIV5":"least.suit.pH.spwn.hab.emb.fry.SIV","SIV6":"avg.length.frostfree.season.SIV","SIV7":"max.weekly.avg.temp.of.surface.layer.Mtoe1.5ppmDO.SIV","SIV7B":"max.weekly.avg.temp.of.surface.layer.Lt1.5ppmDO.SIV","SIV8":"area.backwaters.pls.or.standing.wtr.SIV","SIV9":"strm.gradient.SIV","Eqtn":"min(SIV1,SIV2,SIV2B,SIV3,SIV3B,SIV4,SIV5,SIV6,SIV7,SIV7B,SIV8,SIV9,na.rm=T)"} {"model":"northernpintail","submodel":"Not wintering","species":"Anas acuta","geography":"Central and eastern North Dakota and eastern South Dakota; applicable throughout the Prairie Pothole region, mixed-grass prairie of North Dakota and South Dakota; tallgrass prairie in western Minnesota, eastern North Dakota and South Dakota, and the sandhills of Nebraska; shortgrass prairie west of the Missouri River through Montana; also applicable within the Prairie Provinces of Canada and other portions of the pintail's breeding range","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland, Lake, Large River, Stream","documentation":"Suchy, W. J., and S. H. Anderson. 1987. Habitat suitability index models: northern pintail. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.145) 23 pp.","note":"Area weighting is not considered in model. ","website":"https://ecolibrary.sec.usace.army.mil/resource/fda03664-a2cb-4f08-a8e9-443f55f73db1","SIV1":"num.of.wetland.per.259ha.for.pairs.SIV","SIV2":"area.of.wetlands.per.259ha.for.pairs.SIV","SIV3":"num.of.wetlands.per.259ha.for.broods.SIV","SIV4":"area.of.wetlands.for.broods.per.259ha.for.broods.SIV","CB":"(SIV3*SIV4)^(1/2)","CP":"(SIV1*SIV2)^(1/2)","Eqtn":"min(CB,CP)"} {"model":"northernpintailWinteringGulfCoastPaluLacEstuLtoe5ppt","submodel":"Wintering palustrine, lacustrine, estuarine salinity less than or equal to 5ppt models","species":"Anas acuta","geography":"Gulf of Mexico coast in Texas and Louisiana","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland, Lake, Large River, Stream","documentation":"Howard, R.J., and H.A. Kantrud. 1986. Habitat suitability index models: northern pintail (gulf coast wintering). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.121). 16 pp.","note":"Only water less than 3m deep should be considered pintail habitat","website":"https://ecolibrary.sec.usace.army.mil/resource/72648c4f-2f2e-4856-ae58-78292ec172cc","SIV1":"open.wtr.lt0.5m.SIV","SIV2":"persistent.emergent.veg.SIV","SIV3":"emergent.veg.mt30cm.SIV","SIV4":"area.dominated.by.subm.emergent.food.plants.SIV","SIV5":"sal.growing.season.SIV","CF":"(SIV1*SIV4)^(1/2)","CC":"ifelse(SIV2==0,SIV1,((SIV1*((SIV2+SIV3)/2))^(1/2)))","Eqtn":"min(CC, CF)"} {"model":"northernpintailWinteringGulfPaluLacEstuMt5ppt","submodel":"Wintering palustrine, lacustrine, estuarine salinity more than 5ppt models ","species":"Anas acuta","geography":"Gulf of Mexico coast in Texas and Louisiana","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland, Lake, Large River, Stream","documentation":"Howard, R.J., and H.A. Kantrud. 1986. Habitat suitability index models: northern pintail (gulf coast wintering). U.S. Fish Wildl. Serv. Biol. Rep. 82(10.121). 16 pp.","note":"Only water less than 3m deep should be considered pintail habitat","website":"https://ecolibrary.sec.usace.army.mil/resource/72648c4f-2f2e-4856-ae58-78292ec172cc","SIV1":"open.wtr.lt0.5m.SIV","SIV2":"persistent.emergent.veg.SIV","SIV3":"emergent.veg.mt30cm.SIV","SIV4":"area.dominated.by.subm.emergent.food.plants.SIV","SIV5":"sal.growing.season.SIV","CF":"(SIV1*SIV4*SIV5)^(1/3)","CC":"ifelse(SIV2==0,SIV1,((SIV1*((SIV2+SIV3)/2))^(1/2)))","Eqtn":"min(CC, CF)"} {"model":"ospreyLac","submodel":"Lacustrine","species":"Pandion haliaetus","geography":"From northwestern Alaska, central Arizona, southwestern and central New Mexico, southern Texas, and the Gulf coast","ecosystem":"Lake, Large River, Large Watershed/Major Restoration, S-M Watershed, Stream","documentation":"Vana-Miller, S.L. 1987. Habitat suitability index models: osprey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.154). 46 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/5d727aac-6997-4c80-ce1e-9398bd54a2f0","SIV1":"fish.stand.crop.SIV","SIV2":"wtr.surface.obstruction.SIV","SIV3":"avg.wtr.transparency.SIV","SIV4":"human.actvity.SIV","CF":"SIV1*SIV2*SIV3","CR":"SIV4","Eqtn":"min(CF, CR)"} {"model":"ospreyRiv","submodel":"Riverine","species":"Pandion haliaetus","geography":"From northwestern Alaska, central Arizona, southwestern and central New Mexico, southern Texas, and the Gulf coast","ecosystem":"Lake, Large River, Large Watershed/Major Restoration, S-M Watershed, Stream","documentation":"Vana-Miller, S.L. 1987. Habitat suitability index models: osprey. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.154). 46 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/5d727aac-6997-4c80-ce1e-9398bd54a2f0","SIV2":"wtr.surface.obstruction.SIV","SIV3":"avg.wtr.transparency.SIV","SIV4":"human.actvity.SIV","CF":"SIV2*SIV3","CR":"SIV4","Eqtn":"min(CF, CR)"} {"model":"paddlefishAdSummerandWinterHab","submodel":"Adult summer and winter habitat","species":"Polyodon spathula ","geography":"Range from the Mississippi River drainage and adjacent Gulf Coast drainage. Occurs in reservoirs and natural lakes connected to large rivers. ","ecosystem":"Lake, Large River, Stream ","documentation":"Hubert, W.A., S.H. Anderson, P.D Southhall, and J.H. Crance. 1984. Habitat suitability index models and instream flow suitability curves: Paddlefish. U.S. Fish Wildl. Serv. FWS/OBS-82/10.80. 32 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/03ed139c-d41f-41e7-df2f-c7922fcc9e42","SIV7":"hab.summer.winter.SIV","SIV8":"w.riv.channel.reservoir.lake.SIV","SIV9":"area.vel.lt.mps.summer.winter.SIV","SIV10":"num.of.eddies.summer.winter.SIV","CA":"(SIV7*SIV8*(SIV9^2)*SIV10)^(1/5)","Eqtn":"CA"} {"model":"paddlefishSpwnHab","submodel":"Spawning adult","species":"Polyodon spathula ","geography":"Range from the Mississippi River drainage and adjacent Gulf Coast drainage. Occurs in reservoirs and natural lakes connected to large rivers. ","ecosystem":"Lake, Large River, Stream ","documentation":"Hubert, W.A., S.H. Anderson, P.D Southhall, and J.H. Crance. 1984. Habitat suitability index models and instream flow suitability curves: Paddlefish. U.S. Fish Wildl. Serv. FWS/OBS-82/10.80. 32 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/03ed139c-d41f-41e7-df2f-c7922fcc9e42","SIV1":"rising.wtr.temp.10.to.17C.SIV","SIV2":"spring.spwn.riv.mt40m.w.and.mt1m.d.SIV","SIV3":"subs.gravel.cobble.mt80pct.SIV","SIV4":"magnitude.spring.wtr.rise.SIV","SIV5":"curr.vel.SIV","SIV6":"min.DO.SIV","CS":"(SIV1*SIV2*SIV3*SIV4*SIV5*SIV6)^(1/6)","Eqtn":"CS"} {"model":"pileatedwoodpeckerE","submodel":"Eastern portion of range","species":"Dryocopus pileatus ","geography":"Widely distributed in eastern United States but confined in the West to Washington, Oregon, and northern California and, in the Rocky Mountains, to northern Idaho and northwestern Montana. ","documentation":"Schroeder, R.L. 1982. Habitat suitability index models: Pileated woodpecker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.39. 15 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/32e66222-8732-4a3c-c503-d8b620b116ef","SIV1":"tree.can.cov.SIV","SIV2":"num.of.trees.mt51cm.SIV","SIV3":"num.of.tree.stumps.mt0.3m.SIV","SIV4":"num.of.snag.mt38cm.SIV","SIV5":"avg.dbh.snag.mt.38cm.SIV","CRF":"min(((SIV1*SIV2*SIV3)^(1/2)),((SIV4*SIV5)^(1/2)))","Eqtn":"CRF"} {"model":"pileatedwoodpeckerW","submodel":"Western portion of range","species":"Dryocopus pileatus ","geography":"Widely distributed in eastern United States but confined in the West to Washington, Oregon, and northern California and, in the Rocky Mountains, to northern Idaho and northwestern Montana. ","documentation":"Schroeder, R.L. 1982. Habitat suitability index models: Pileated woodpecker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.39. 15 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/32e66222-8732-4a3c-c503-d8b620b116ef","SIV1":"tree.can.cov.SIV","SIV2":"num.of.trees.mt51cm.SIV","SIV3":"num.of.tree.stumps.mt0.3m.SIV","SIV6":"snags.mt51cm.SIV","SIV7":"avg.dbh.snags.mt51cm.SIV","CRF":"min(((SIV1*SIV2*SIV3)^(1/2)),((SIV6*SIV7)^(1/2)))","Eqtn":"CRF"} {"model":"pinewarbler","species":"Setophaga pinus","geography":"Southeast, northcentral, and northeastern United States ","documentation":"Schroeder, R.L. 1982. Habitat suitability index models: pine warbler. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.28. 8 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/b12fddad-0253-4c27-84ee-9b431c7e0d2d","SIV1":"tree.can.closure.overstory.SIV","SIV2":"sucessional.stage.stand.SIV","SIV3":"dom.can.pines.decid.upper.third.SIV","CCR":"(SIV1*SIV2*SIV3)^(1/2)","Eqtn":"CCR"} {"model":"pinksalmonLimit","submodel":"Limiting factor","species":"Oncorhynchus gorbuscha","geography":"Range as far south as Puget Sound and northward through Canada and most of Alaska","ecosystem":"Large River","documentation":"Raleigh, R.F., and P.C. Nelson. 1985. Habitat suitability index models and instream flow suitability curves: Pink salmon. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.109). 36 pp.","note":"Only limiting factor used.","website":"https://ecolibrary.sec.usace.army.mil/resource/869206d6-860b-4946-8299-c065279046d4","SIV1":"max.or.min.pH.SIV","SIV2":"max.or.min.temp.adult.SIV","SIV3":"subs.particle.size.SIV","SIV4":"pct.fines.lt.0.3cm.SIV","SIV5":"wtr.column.vel.spwn.e.SIV","SIV6":"min.DO.egg.SIV","SIV7":"max.or.min.wtr.temp.e.SIV","SIV8":"max.sal.e.SIV","SIV9":"base.flow.e.SIV","SIV10":"peak.flow.incubation.SIV","SIV11":"max.temp.seaward.migration.SIV","CE":"min(SIV3,SIV4,SIV5,SIV6,SIV7,SIV8,SIV9,SIV10)","CFr":"SIV11","CA":"min(SIV1,SIV2)","Eqtn":"min(CA,CE,CFr)"} {"model":"pinkshrimpEmergAndSeagrassVeg","submodel":"Pink shrimp in herbaceous emergent vegetation or mangroves AND also seagrass.","species":"Farfantepenaeus duorarum","geography":"Estuaries and bays of the Gulf of Mexico, including southern Florida","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland","documentation":"Mulholland, R. 1984. Habitat suitability index models: pink shrimp. U.S. Fish Wildl. Serv. FWS/OBS-82/10.76. 17 pp.","note":"To calculate SIV2 when both emergent vegetation and seagrass are present, use the proportion of total area that is openwater/seagrass (Pa) as SIV5. Pb will be calculated based on the value of Pa. If you are using the suitability graph for SIV5 from HSImodels, enter the percentage of total area as your x-value to get an SIV5 value (y-value) equal to the proportion of total area for Pa.","website":"https://ecolibrary.sec.usace.army.mil/resource/4b3cba59-db8c-4a7e-cf8f-0224a0ff15b7","SIV1":"subs.SIV","SIV2":"cov.type.2A.SIV","SIV2B":"cov.type.2B.SIV","SIV3":"sal.SIV","SIV4":"wtr.temp.SIV","SIV5":"cov.type.Pb.SIV","CCF":"(SIV1*(((SIV5*SIV2)+((1-SIV5)*SIV2B)))^2)^(1/3)","CWQ":"(SIV3*SIV4)^(1/2)","Eqtn":"min(CCF, CWQ)"} {"model":"pinkshrimpEmergVeg","submodel":"Pink shrimp in herbaceous emergent vegetation or mangroves.","species":"Farfantepenaeus duorarum","geography":"Estuaries and bays of the Gulf of Mexico, including southern Florida","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland","documentation":"Mulholland, R. 1984. Habitat suitability index models: pink shrimp. U.S. Fish Wildl. Serv. FWS/OBS-82/10.76. 17 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/4b3cba59-db8c-4a7e-cf8f-0224a0ff15b7","SIV1":"subs.SIV","SIV2":"cov.type.SIV","SIV3":"sal.SIV","SIV4":"wtr.temp.SIV","CCF":"(SIV1*(SIV2^2))^(1/3)","CWQ":"(SIV3 * SIV4)^(1/2)","Eqtn":"min(CCF, CWQ)"} {"model":"pinkshrimpSeagrassVeg","submodel":"Pink shrimp in seagrass.","species":"Farfantepenaeus duorarum","geography":"Estuaries and bays of the Gulf of Mexico, including southern Florida","ecosystem":"Coastal Wetland, Estuary, Fresh Wetland","documentation":"Mulholland, R. 1984. Habitat suitability index models: pink shrimp. U.S. Fish Wildl. Serv. FWS/OBS-82/10.76. 17 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/4b3cba59-db8c-4a7e-cf8f-0224a0ff15b7","SIV1":"subs.SIV","SIV2":"cov.type.SIV","SIV3":"sal.SIV","SIV4":"wtr.temp.SIV","CCF":"(SIV1*(SIV2^2))^(1/3)","CWQ":"(SIV3 * SIV4)^(1/2)","Eqtn":"min(CCF, CWQ)"} {"model":"plainssharptailedgrouse","species":"Tympanuchus phasianellus jamesi","geography":"Montana, Nebraska, North Dakota, South Dakota, Wyoming, Alberta, British Columbia, Manitoba, and Saskatchewan","documentation":"Prose, B.L. 1987. Habitat suitability index models: plains sharp-tailed grouse. U.S. Fish Wilsl. Serv. Biol. Rep. 82(10.142). 31 pp.","note":"SIV1 and SIV3 are used to calculate SIV2 and SIV4 with area weighting and are not directly used in the final components. Hence, users should use SIV1 and SIV3 to determine the correct values of SIV2 and SIV4, but should input only SIV2 and SIV4 values into HSIeqtn()","website":"https://ecolibrary.sec.usace.army.mil/resource/4e038921-e10e-4730-9d6f-8036e913157f","SIV2":"equivalent.optimum.area.winter.food.cov.SIV","SIV4":"equivalent.optimum.area.nest.brood.cov.SIV","CNBC":"SIV4","CWFC":"SIV2","Eqtn":"min(CNBC,CWFC)"} {"model":"pronghorn","species":"Antilocapra americana","geography":"Great Basin to and including the Great Plains","documentation":"Allen, A. W., J. G. Cook, and M. J. Armbruster. 1984. Habitat suitability index models: Pronghorn. U.S. Fish Wildl. Serv. FWS/OBS-82/10. 65. 22 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/057a9a00-c290-4a4a-e1cc-93d71e8397c1","SIV1":"shrub.crown.cov.SIV","SIV2":"shrub.can.h.SIV","SIV3":"num.of.shrub.species.per.cov.type.SIV","SIV4":"herb.can.cov.SIV","SIV5":"available.winter.wheat.hab.SIV","SIV6":"avg.topographic.diversity.SIV","CC":"SIV6","CWF":"((SIV1*((SIV2*SIV3*SIV4)^(1/3)))+SIV5)","Eqtn":"((CWF+CC)/2)"} {"model":"rainbowtroutLac","submodel":"Lacustrine Rainbow Trout habitat","species":"Oncorhynchus mykiss","geography":"Entire North American range","ecosystem":"Lake","documentation":"Raleigh, RF, T Hickman, RC Solomon, and PC Nelson. 1984. Habitat suitability information: Rainbow trout. U.S. Fish Wildl. Serv. FWS/OBS-82/10.60. 64 pp.","note":"SIV3 and SIV3B and SIV7 and SIV7B are mutually exclusive. If stream temperatures are less than or equal to 15 degrees Celsius, enter SIV value for SIV3 and set SIV3B equal to NA. If stream temperatures are greater than 15 degrees Celsius, enter SIV value for SIV3B and set SIV3 equal to NA. If substrate sizes are less than 50cm in the spawning area, enter SIV value for SIV7 and set SIV7B equal to NA. If substrate sizes are greater than or equal to 50cm, enter SIV value for SIV7B and set SIV7 equal to NA. Embryo component equation modified to exclude area weighted average.","website":"https://ecolibrary.sec.usace.army.mil/resource/d330201a-bf3e-41c1-c2e8-ba03713b7a90","SIV1":"avg.max.wtr.temp.opt.DO.lac.res.SIV","SIV2":"avg.max.wtr.temp.emb.dev.SIV","SIV3":"avg.min.DO.at.opt.temp.zone.Ltoe15C.SIV","SIV3B":"avg.min.DO.at.opt.temp.zone.mt15C.SIV","SIV5":"avg.vel.emb.dev.SIV","SIV7":"avg.subs.size.spwn.lt50cm.spwner.SIV","SIV7B":"avg.subs.size.spwn.Mtoe50cm.spwner.SIV","SIV13":"annual.max.min.pH.SIV","SIV16":"fines.lt3mm.pct.spawn.SIV","CWQ":"ifelse(SIV1<=0.4|(!is.na(SIV3)&SIV3<=0.4|(!is.na(SIV3B)&SIV3B<=0.4)),min(SIV1,SIV3,SIV3B,na.rm=T),prod(SIV1,SIV3,SIV3B,SIV13,na.rm=T)^(1/3))","CE":"min(SIV2,SIV3,SIV3B,prod(SIV5,SIV7,SIV7B,SIV16,na.rm=T)^(1/3),na.rm=T)","Eqtn":"prod(CWQ,CE,na.rm=T)^(1/length(na.omit(c(CWQ,CE))))"} {"model":"rainbowtroutRiv","submodel":"Resident riverine Rainbow Trout habitat; equal component method","species":"Oncorhynchus mykiss","geography":"Entire North American range","ecosystem":"Large River, Stream","documentation":"Raleigh, RF, T Hickman, RC Solomon, and PC Nelson. 1984. Habitat suitability information: Rainbow trout. U.S. Fish Wildl. Serv. FWS/OBS-82/10.60. 64 pp.","note":"SIV3 and SIV3B, SIV4 and SIV4B, and SIV7 and SIV7B are mutually exclusive. If stream temperatures are less than or equal to 15 degrees Celsius, enter SIV value for SIV3 and set SIV3B equal to NA. If stream temperatures are greater than 15 degrees Celsius, enter SIV value for SIV3B and set SIV3 equal to NA. If stream widths are less than or equal to 5m, enter SIV value for SIV4 and set SIV4B equal to NA. If stream widths are more than 5m, enter SIV value for SIV4B and set SIV4 equal to NA. If substrate sizes are less than 50cm in the spawning area, enter SIV value for SIV7 and set SIV7B equal to NA. If substrate sizes are greater than or equal to 50cm, enter SIV value for SIV7B and set SIV7 equal to NA. SIV12, SIV17, and SIV18 are optional variables: to exclude, enter NA for SIV values; Embryo component equation modified to exclude area weighted average. To calculate individual components, set the \"exclude\" argument in HSIeqtn() to the components you wish to remove. All individual life stage components should also include COT except the embryo component, for which HSI=CE.","website":"https://ecolibrary.sec.usace.army.mil/resource/d330201a-bf3e-41c1-c2e8-ba03713b7a90","SIV1":"avg.max.wtr.temp.opt.DO.lac.res.SIV","SIV2":"avg.max.wtr.temp.emb.dev.SIV","SIV3":"avg.min.DO.at.opt.temp.zone.Ltoe15C.SIV","SIV3B":"avg.min.DO.at.opt.temp.zone.mt15C.SIV","SIV4":"avg.thalweg.late.growing.seas.d.strm.ltoe5m.SIV","SIV4B":"avg.thalweg.late.growing.seas.d.strm.Mt5m.SIV","SIV5":"avg.vel.emb.dev.SIV","SIV6":"instream.cov.growing.seas.juv.SIV","SIV6B":"instream.cov.growing.seas.ad.SIV","SIV7":"avg.subs.size.spwn.lt50cm.spwner.SIV","SIV7B":"avg.subs.size.spwn.Mtoe50cm.spwner.SIV","SIV8":"subs.size.class.10.to.40cm.SIV","SIV9":"dom.subs.rffl.run.SIV","SIV10":"pls.late.growing.seas.low.wtr.SIV","SIV11":"avg.veg.ground.cov.summer.SIV","SIV12":"avg.rooted.veg.stable.rocky.ground.SIV","SIV13":"annual.max.min.pH.SIV","SIV14":"avg.annual.base.flow.regime.SIV","SIV15":"pl.rating.late.growing.seas.low.flow.SIV","SIV16":"fines.lt3mm.pct.spawn.SIV","SIV16B":"fines.lt3mm.pct.riffle.run.SIV","SIV17":"strm.area.shaded.SIV","COT":"((((SIV9*SIV16B)^(1/2)+SIV11)/2)*prod(SIV1,SIV3,SIV3B,SIV12,SIV13,SIV14,SIV17,na.rm=T)^(1/length(na.omit(c(SIV1,SIV3,SIV3B,SIV12,SIV13,SIV14,SIV17)))))^(1/2)","CE":"min(SIV2,SIV3,SIV3B,prod(SIV5,SIV7,SIV7B,SIV16,na.rm=T)^(1/3),na.rm=T)","CJ":"ifelse(SIV6<=0.4|SIV10<=0.4|SIV15<=0.4,min(SIV6,SIV10,SIV15),(SIV6+SIV10+SIV15)/3)","CFr":"ifelse(SIV10<=0.4|(SIV8*SIV16B)^(1/2)<=0.4,min(SIV10,(SIV8*SIV16B)^(1/2)),(SIV10*(SIV8*SIV16B)^(1/2))^(1/2))","CA":"ifelse((!is.na(SIV4)&SIV4<=0.4)|(!is.na(SIV4B)&SIV4B<=0.4)|(SIV10*SIV15^(1/2)<=0.4),min(SIV4,SIV4B,(SIV10*SIV15)^(1/2),na.rm=T),ifelse(SIV6B>(SIV10*SIV15)^(1/2),prod(SIV4,SIV4B,SIV6B,(SIV10*SIV15)^(1/2),na.rm=T)^(1/3),prod(SIV4,SIV4B,(SIV10*SIV15)^(1/2),na.rm=T)^(1/2)))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|!is.na(COT)&COT<=0.4,min(CA,CJ,CFr,CE,COT,na.rm=T),prod(CA,CJ,CFr,CE,COT,na.rm=T)^(1/length(na.omit(c(CA,CJ,CFr,CE,COT)))))"} {"model":"redbreastsunfishLacN","submodel":"Lacustrine Northern areas; percent littoral zone at average water level","species":"Lepomis auritus","geography":"Models were developed to quantify changes in wetland habitats on the Savannah River Plant located near Aiken, South Carolina","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Aho, J.M, C.S. Anderson, and J.W. Terrell. 1986. Habitat suitability index models and instream flow suitability curves: redbreast sunfish. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.119). 23 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/1b2104b5-0b83-405a-bd07-b3e5a7c7847e","SIV1":"hard.structure.cov.SIV","SIV2":"veg.cover.SIV","SIV4":"wtr.temp.spwn.d.e.SIV","SIV6":"bottom.area.spwn.coarse.sand.fine.gravel.SIV","SIV7":"pH.least.suitable.spwn.growing.season.SIV","SIV8":"DO.spwn.growing.season.SIV","SIV9":"turb.spwn.growing.season.SIV","SIV10":"wtr.temp.growing.season.ad.juv.larv.SIV","SIV11":"DS.concentration.SIV","SIV12":"litt.zone.avg.wtr.lvl.N.SIV","Eqtn":"min(SIV1, SIV2, SIV4, SIV6, SIV7, SIV8, SIV9, SIV10, SIV11, SIV12)"} {"model":"redbreastsunfishLacS","submodel":"Lacustrine Southern areas; percent littoral zone at average water level","species":"Lepomis auritus","geography":"Models were developed to quantify changes in wetland habitats on the Savannah River Plant located near Aiken, South Carolina","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Aho, J.M, C.S. Anderson, and J.W. Terrell. 1986. Habitat suitability index models and instream flow suitability curves: redbreast sunfish. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.119). 23 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/1b2104b5-0b83-405a-bd07-b3e5a7c7847e","SIV1":"hard.structure.cov.SIV","SIV2":"veg.cover.SIV","SIV4":"wtr.temp.spwn.d.e.SIV","SIV6":"bottom.area.spwn.coarse.sand.fine.gravel.SIV","SIV7":"pH.least.suitable.spwn.growing.season.SIV","SIV8":"DO.spwn.growing.season.SIV","SIV9":"turb.spwn.growing.season.SIV","SIV10":"wtr.temp.growing.season.ad.juv.larv.SIV","SIV11":"DS.concentration.SIV","SIV12":"litt.zone.avg.wtr.lvl.S.SIV","Eqtn":"min(SIV1, SIV2, SIV4, SIV6, SIV7, SIV8, SIV9, SIV10, SIV11, SIV12)"} {"model":"redbreastsunfishPalu","submodel":"Palustrine","species":"Lepomis auritus","geography":"Models were developed to quantify changes in wetland habitats on the Savannah River Plant located near Aiken, South Carolina","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Aho, J.M, C.S. Anderson, and J.W. Terrell. 1986. Habitat suitability index models and instream flow suitability curves: redbreast sunfish. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.119). 23 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/1b2104b5-0b83-405a-bd07-b3e5a7c7847e","SIV1":"hard.structure.cov.SIV","SIV2":"veg.cover.SIV","SIV3":"veg.wetland.mtoe.20cm.palu.SIV","SIV4":"wtr.temp.spwn.d.e.SIV","SIV5":"curr.vel.ltoe.20cmps.spwn.SIV","SIV6":"bottom.area.spwn.coarse.sand.fine.gravel.SIV","SIV7":"pH.least.suitable.spwn.growing.season.SIV","SIV8":"DO.spwn.growing.season.SIV","SIV9":"turb.spwn.growing.season.SIV","SIV10":"wtr.temp.growing.season.ad.juv.larv.SIV","Eqtn":"min(SIV1, SIV2, SIV3, SIV4, SIV5, SIV6, SIV7, SIV8, SIV9, SIV10)"} {"model":"redbreastsunfishRiv","submodel":"Riverine","species":"Lepomis auritus","geography":"Models were developed to quantify changes in wetland habitats on the Savannah River Plant located near Aiken, South Carolina","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Aho, J.M, C.S. Anderson, and J.W. Terrell. 1986. Habitat suitability index models and instream flow suitability curves: redbreast sunfish. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.119). 23 pp","website":"https://ecolibrary.sec.usace.army.mil/resource/1b2104b5-0b83-405a-bd07-b3e5a7c7847e","SIV1":"hard.structure.cov.SIV","SIV2":"veg.cover.SIV","SIV4":"wtr.temp.spwn.d.e.SIV","SIV5":"curr.vel.ltoe.20cmps.spwn.SIV","SIV6":"bottom.area.spwn.coarse.sand.fine.gravel.SIV","SIV7":"pH.least.suitable.spwn.growing.season.SIV","SIV8":"DO.spwn.growing.season.SIV","SIV9":"turb.spwn.growing.season.SIV","SIV10":"wtr.temp.growing.season.ad.juv.larv.SIV","SIV13":"avg.strm.w.summer.SIV","Eqtn":"min(SIV1, SIV2, SIV4, SIV5, SIV6, SIV7, SIV8, SIV9, SIV10, SIV13)"} {"model":"reddrumLarvJuvEstuLittleSubmVeg","submodel":"Larval or juvenile drum in estuaries with little or no submerged vegetation","species":"Sciaenops ocellatus ","geography":"Atlantic Coast and in the Gulf of Mexico ","ecosystem":"Estuary","documentation":"Buckley, J. 1984. Habitat suitability index models: larval and juvenile red drum. U.S. Fish Wildl. Serv. FWS/OBS-82/10.74. 15 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/53e95204-66d1-40b6-af6f-7b2b9cb33a0e","SIV1":"avg.wtr.temp.larv.dev.SIV","SIV2":"avg.sal.larv.dev.SIV","SIV3":"open.wtr.edge.with.emerg.veg.SIV","SIV5":"subs.comp.SIV","SIV6":"avg.d.lowtide.SIV","CF":"SIV3","CC":"(SIV5*SIV6)^(1/2)","CWQ":"((SIV1^2)*SIV2)^(1/3)","Eqtn":"min(CWQ, CF, CC)"} {"model":"reddrumLarvJuvEstuSubmVeg","submodel":"Larval or juvenile drum in estuaries with submerged vegetation","species":"Sciaenops ocellatus ","geography":"Atlantic Coast and in the Gulf of Mexico ","ecosystem":"Estuary","documentation":"Buckley, J. 1984. Habitat suitability index models: larval and juvenile red drum. U.S. Fish Wildl. Serv. FWS/OBS-82/10.74. 15 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/53e95204-66d1-40b6-af6f-7b2b9cb33a0e","SIV1":"avg.wtr.temp.larv.dev.SIV","SIV2":"avg.sal.larv.dev.SIV","SIV3":"open.wtr.edge.with.emerg.veg.SIV","SIV4":"subm.veg.SIV","CCF":"(SIV3*SIV4)^(1/2)","CWQ":"((SIV1^2)*SIV2)^(1/3)","Eqtn":"min(CWQ, CCF)"} {"model":"redearsunfishLac","submodel":"Lacustrine","species":"Lepomis microlophus","geography":"Throughout North American waters within the native and introduced range","ecosystem":"Lake, Large River, Stream","documentation":"Twomey, KA, G Gebhart, OE Maughan, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: Redear sunfish. U.S. Fish Wildl. Serv. FWS/OBS-82/10.79. 29 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/ed11f22d-9941-4cc4-afe1-80f5a5ccaecf","SIV1":"area.bottom.cov.veg.within.pls.summer.SIV","SIV1B":"area.surface.matting.veg.within.pls.summer.SIV","SIV2":"DO.summer.SIV","SIV3":"max.sal.summer.SIV","SIV4":"max.mthly.avg.turb.spring.summer.SIV","SIV5":"max.avg.wtr.temp.ad.juv.SIV","SIV6":"avg.of.avg.weekly.wtr.temp.pls.litt.spwn.emb.fry.SIV","SIV7":"frost.free.season.days.SIV","SIV8":"least.suit.pH.during.yr.SIV","SIV10":"res.drawndown.spwn.SIV","SIV11":"area.mt2m.d.ad.juv.SIV","CF":"(SIV1+SIV1B)/2","CC":"SIV11","CWQ":"min(SIV2, SIV3, SIV4, SIV5, SIV7, SIV8)","CR":"min((SIV1+SIV1B)/2,SIV6,SIV10)","Eqtn":"min(CF, CC, CWQ, CR)"} {"model":"redearsunfishRiv","submodel":"Riverine","species":"Lepomis microlophus","geography":"Throughout North American waters within the native and introduced range","ecosystem":"Lake, Large River, Stream","documentation":"Twomey, KA, G Gebhart, OE Maughan, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: Redear sunfish. U.S. Fish Wildl. Serv. FWS/OBS-82/10.79. 29 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/ed11f22d-9941-4cc4-afe1-80f5a5ccaecf","SIV1":"area.bottom.cov.veg.within.pls.summer.SIV","SIV1B":"area.surface.matting.veg.within.pls.summer.SIV","SIV2":"DO.summer.SIV","SIV3":"max.sal.summer.SIV","SIV4":"max.mthly.avg.turb.spring.summer.SIV","SIV5":"max.avg.wtr.temp.ad.juv.SIV","SIV6":"avg.of.avg.weekly.wtr.temp.pls.litt.spwn.emb.fry.SIV","SIV8":"least.suit.pH.during.yr.SIV","SIV9":"avg.curr.vel.yr.0.6.d.SIV","SIV11":"area.mt2m.d.ad.juv.SIV","CF":"(SIV1+SIV1B)/2","CC":"SIV11","CWQ":"min(SIV2, SIV3, SIV4, SIV5, SIV8)","CR":"min((SIV1+SIV1B)/2,SIV6,SIV9)","Eqtn":"min(CF, CC, CWQ, CR)"} {"model":"redheadWinteringWtrAvailable","submodel":"Freshwater source of dietary water is available within 20.0 km","species":"Aythya americana ","geography":"Texas Coastal lagoons","ecosystem":"Estuary","documentation":"Howard, R.J., and H.A. Kantrud. 1983. Habitat suitability index models: redhead (wintering). U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.53. 14 pp ","note":"Follow manual instructions to calculate SIV2 and SIV3 with weighting factors.","website":"https://ecolibrary.sec.usace.army.mil/resource/cbf16735-4b8b-4b26-d228-b085f41ff681","SIV1":"study.area.shoalgrass.widgeongrass.SIV","SIV2":"depth.shoalgrass.widgeongrass.SIV","SIV3":"human.disturbance.feeding.area.SIV","CF":"(((SIV1*SIV2)^(1/2))*SIV3)^(1/2)","Eqtn":"CF"} {"model":"redheadWinteringWtrNotAvailable","submodel":"No freshwater source of dietary water is available within 20.0 km","species":"Aythya americana ","geography":"Texas Coastal lagoons","ecosystem":"Estuary","documentation":"Howard, R.J., and H.A. Kantrud. 1983. Habitat suitability index models: redhead (wintering). U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.53. 14 pp ","note":"Follow manual instructions to calculate SIV2 and SIV3 with weighting factors.","website":"https://ecolibrary.sec.usace.army.mil/resource/cbf16735-4b8b-4b26-d228-b085f41ff681","SIV1":"study.area.shoalgrass.widgeongrass.SIV","SIV2":"depth.shoalgrass.widgeongrass.SIV","SIV3":"human.disturbance.feeding.area.SIV","CF":"((((SIV1*SIV2)^(1/2))*SIV3)^(1/2))","Eqtn":"0.9*CF"} {"model":"redkingcrabJuv1to4","submodel":"Age 1 to 4 Juvenile","species":"Paralithodes camtschaticus","geography":"Continental Shelf of the North Pacific Ocean, with emphasis on coastal waters of the Gulf of Alaska and the southeastern Bering Sea ","ecosystem":"Coastal Wetland, Estuary","documentation":"Jewett, S.C., and C.P. Onuf. 1988. Habitat suitability index models: red king crab. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.153). 34 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2b79529a-d46d-4a43-ebb4-215a0e93a82c","SIV3":"sal.26.to.34.ppt.mar.to.aug.bottom.youngofyear.juv.SIV","SIV4":"max.bottom.wtr.temp.juv.SIV","SIV6":"subs.age.1.to.4.juv.SIV","CF":"SIV6","CWQ":"(SIV3 * (SIV4^2))^(1/3)","Eqtn":"min(CWQ, CF)"} {"model":"redkingcrabJuv4PlusandAd","submodel":"Age 4 plus juvenile and adult","species":"Paralithodes camtschaticus","geography":"Continental Shelf of the North Pacific Ocean, with emphasis on coastal waters of the Gulf of Alaska and the southeastern Bering Sea ","ecosystem":"Coastal Wetland, Estuary","documentation":"Jewett, S.C., and C.P. Onuf. 1988. Habitat suitability index models: red king crab. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.153). 34 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2b79529a-d46d-4a43-ebb4-215a0e93a82c","SIV7":"sal.26.to.34.ppt.subadults.and.ad.mar.to.may.SIV","SIV8":"max.bottom.wtr.temp.subadults.and.ad.may.to.march.SIV","SIV9":"subs.subadults.and.ad.SIV","CF":"SIV9","CWQ":"(SIV7*(SIV8^2))^(1/3)","Eqtn":"min(CWQ, CF)"} {"model":"redkingcrabLarv","submodel":"Larval","species":"Paralithodes camtschaticus","geography":"Continental Shelf of the North Pacific Ocean, with emphasis on coastal waters of the Gulf of Alaska and the southeastern Bering Sea ","ecosystem":"Coastal Wetland, Estuary","documentation":"Jewett, S.C., and C.P. Onuf. 1988. Habitat suitability index models: red king crab. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.153). 34 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2b79529a-d46d-4a43-ebb4-215a0e93a82c","SIV1":"sal.26.to.34.ppt.mar.to.aug.mid.d.larv.SIV","SIV2":"max.mid.d.temp.mar.aug.larv.SIV","CWQ":"(SIV1*(SIV2^2))^(1/3)","Eqtn":"CWQ"} {"model":"redkingcrabYoungofYrJuv","submodel":"Young of the year juvenile","species":"Paralithodes camtschaticus","geography":"Continental Shelf of the North Pacific Ocean, with emphasis on coastal waters of the Gulf of Alaska and the southeastern Bering Sea ","ecosystem":"Coastal Wetland, Estuary","documentation":"Jewett, S.C., and C.P. Onuf. 1988. Habitat suitability index models: red king crab. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.153). 34 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2b79529a-d46d-4a43-ebb4-215a0e93a82c","SIV3":"sal.26.to.34.ppt.mar.to.aug.bottom.youngofyear.juv.SIV","SIV4":"max.bottom.wtr.temp.juv.SIV","SIV5":"subs.youngoftheyear.juv.SIV","CF":"SIV5","CWQ":"(SIV3*(SIV4^2))^(1/3)","Eqtn":"min(CWQ, CF)"} {"model":"redspottednewtAquatic150m","submodel":"The nearest potential terrestrial habitat is 150 m from water ","species":"Notophthalmus viridescens viridescens","geography":"Moist woodlands during the terrestrial portion of its life cycle (eft stage) and ponds and other lentic water bodies during its aquatic stages (larval and adult). Range from Southern Canada, including the Maritime Provinces and southern Quebec and southern Ontario and the eastern United States, west to central Michigan (lower peninsula), central Indiana, Kentucky, and Tennessee east of the Mississippi Embayment, and exclusive of the southeastern coastal plain.","ecosystem":"Floodplain, Lake, S-M Watershed","documentation":"Sousa, P.J. 1985. Habitat suitability index models: Red-spotted newt. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.111). 18 pp.","note":"If the population in the habitat being evaluated includes a terrestrial stage, then the suitability of wetland habitat can include SIV3","website":"https://ecolibrary.sec.usace.army.mil/resource/ba57c62f-ad0e-47d4-d95f-739632b8ab36","SIV1":"wtr.area.ltoe.2m.deep.SIV","SIV2":"aq.veg.cov.SIV","SIV3":"dist.to.forested.cov.type.SIV","CCR":"SIV1*SIV2*SIV3","Eqtn":"CCR"} {"model":"redspottednewtAquaticEntire","submodel":"The suitability is applicable to the entire water body being studied (littoral and non-littoral zones)","species":"Notophthalmus viridescens viridescens","geography":"Moist woodlands during the terrestrial portion of its life cycle (eft stage) and ponds and other lentic water bodies during its aquatic stages (larval and adult). Range from Southern Canada, including the Maritime Provinces and southern Quebec and southern Ontario and the eastern United States, west to central Michigan (lower peninsula), central Indiana, Kentucky, and Tennessee east of the Mississippi Embayment, and exclusive of the southeastern coastal plain.","ecosystem":"Floodplain, Lake, S-M Watershed","documentation":"Sousa, P.J. 1985. Habitat suitability index models: Red-spotted newt. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.111). 18 pp.","note":"SIV1 can be eliminated from the equation if habitat units are calculated based on the area of the littoral zone rather than the entire body of water being evaluated","website":"https://ecolibrary.sec.usace.army.mil/resource/ba57c62f-ad0e-47d4-d95f-739632b8ab36","SIV1":"wtr.area.ltoe.2m.deep.SIV","SIV2":"aq.veg.cov.SIV","CCR":"prod(SIV1,SIV2,na.rm=TRUE)","Eqtn":"CCR"} {"model":"redspottednewtTerrestrial","submodel":"Forested habitats","species":"Notophthalmus viridescens viridescens","geography":"Moist woodlands during the terrestrial portion of its life cycle (eft stage) and ponds and other lentic water bodies during its aquatic stages (larval and adult). Range from Southern Canada, including the Maritime Provinces and southern Quebec and southern Ontario and the eastern United States, west to central Michigan (lower peninsula), central Indiana, Kentucky, and Tennessee east of the Mississippi Embayment, and exclusive of the southeastern coastal plain.","ecosystem":"Floodplain, Lake, S-M Watershed","documentation":"Sousa, P.J. 1985. Habitat suitability index models: Red-spotted newt. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.111). 18 pp.","note":"SIV6 may be excluded as a surrogate measure for substrate moisture suitability if small trees are absent but moist conditions still exist; It is recommended that only aquatic cover types be evaluated for habitat suitability for the red-spotted newt, even though this approach for evaluating terrestrial habitat exists","website":"https://ecolibrary.sec.usace.army.mil/resource/ba57c62f-ad0e-47d4-d95f-739632b8ab36","SIV4":"tree.can.closure.SIV","SIV5":"decid.species.SIV","SIV6":"trees.ltoe.19.1cm.dbh.SIV","SIV7":"herb.can.cov.SIV","SIV8":"dist.to.perm.wtr.SIV","SIV9":"stand.wtr.apr.to.sept.SIV","CC":"SIV4*((prod(SIV5,SIV6,SIV7,na.rm=TRUE))^(1/3))*SIV8*SIV9","Eqtn":"CC"} {"model":"redwingedblackbirdA","submodel":"Condition A represents a wetland that contains the preferred vegetative structure for nest placement, permanent water that supports a population of emergent aquatic insects that are available as food, the absence of carp, and the interspersion of open water within emergent herbaceous vegetation ","species":"Agelaius phoeniceus","geography":"Throughout the contiguous 48 states","documentation":"Short, H.L. 1985. Habitat suitability index models: Red-winged blackbird. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.95). 20 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/8340c679-a4f3-4f8b-eb39-313fed35c34f","SIV1":"emergent.herb.veg.SIV","SIV2":"wtr.regime.SIV","SIV3":"carp.abund.SIV","SIV4":"aq.insect.larv.SIV","SIV5":"niche.space.conditions.SIV","CRF":"(SIV1*SIV2*SIV3*SIV4*SIV5)","Eqtn":"CRF"} {"model":"redwingedblackbirdB","submodel":"Condition B habitats are wetlands where the emergent herbaceous vegetation does not have the preferred structure, there is no permanent water, carp are present, or benthic invertebrates are absent. ","species":"Agelaius phoeniceus","geography":"Throughout the contiguous 48 states","documentation":"Short, H.L. 1985. Habitat suitability index models: Red-winged blackbird. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.95). 20 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/8340c679-a4f3-4f8b-eb39-313fed35c34f","SIV6":"foraging.subs.SIV","CRF":"(0.1*SIV6)^(1/2)","Eqtn":"CRF"} {"model":"redwingedblackbirdC","submodel":"Condition C habitats are upland sites, like grass, forb, and pasture/ hayland cover types ","species":"Agelaius phoeniceus","geography":"Throughout the contiguous 48 states","documentation":"Short, H.L. 1985. Habitat suitability index models: Red-winged blackbird. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.95). 20 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/8340c679-a4f3-4f8b-eb39-313fed35c34f","SIV7":"upland.site.conditions.SIV","SIV8":"disturbances.to.nesting.hab.SIV","CRF":"(SIV7*SIV8)^(1/2)","Eqtn":"CRF"} {"model":"roseatespoonbillIslandFuture","submodel":"Island, key or islet when evaluating future conditions","species":"Platalea ajaja ","geography":"Atlantic and Gulf of Mexico coastal areas south of latitude 30 degrees north and applies to Atlantic coastal areas of Florida and to the Gulf Coast States.","ecosystem":"Estuary, Fresh Wetland, Large River, Stream","documentation":"Lewis, J.C. 1983. Habitat suitabililty index models: roseate spoonbill. U.S. Dept. Int. Fish. Wildl. Serv. FWS/OBS-82/10.50. 16 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e1901cf8-7e92-428c-a955-f6b6594e4d0b","SIV1":"dist.to.mainland.SIV","SIV2":"island.sa.SIV","SIV3":"h.woody.veg.island.SIV","CRN":"(SIV1*SIV2*SIV3)^(1/3)","Eqtn":"CRN"} {"model":"roseatespoonbillIslandPresent","submodel":"Island, key or islet when evaluating present conditions","species":"Platalea ajaja ","geography":"Atlantic and Gulf of Mexico coastal areas south of latitude 30 degrees north and applies to Atlantic coastal areas of Florida and to the Gulf Coast States.","ecosystem":"Estuary, Fresh Wetland, Large River, Stream","documentation":"Lewis, J.C. 1983. Habitat suitabililty index models: roseate spoonbill. U.S. Dept. Int. Fish. Wildl. Serv. FWS/OBS-82/10.50. 16 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e1901cf8-7e92-428c-a955-f6b6594e4d0b","SIV1":"dist.to.mainland.SIV","SIV2":"island.sa.SIV","SIV3":"h.woody.veg.island.SIV","SIV4":"roost.nest.hab.SIV","CRN":"(SIV1*SIV2*SIV3*SIV4)^(1/4)","Eqtn":"CRN"} {"model":"roseatespoonbillMainlandFuture","submodel":"Mainland sites along the coast under future conditions","species":"Platalea ajaja ","geography":"Atlantic and Gulf of Mexico coastal areas south of latitude 30 degrees north and applies to Atlantic coastal areas of Florida and to the Gulf Coast States.","ecosystem":"Estuary, Fresh Wetland, Large River, Stream","documentation":"Lewis, J.C. 1983. Habitat suitabililty index models: roseate spoonbill. U.S. Dept. Int. Fish. Wildl. Serv. FWS/OBS-82/10.50. 16 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e1901cf8-7e92-428c-a955-f6b6594e4d0b","SIV5":"dist.to.human.activity.SIV","SIV6":"h.woody.veg.mainland.SIV","CRN":"(0.8*((SIV5*SIV6)^(1/2)))","Eqtn":"CRN"} {"model":"roseatespoonbillMainlandPresent","submodel":"Mainland sites along the coast under present conditions","species":"Platalea ajaja ","geography":"Atlantic and Gulf of Mexico coastal areas south of latitude 30 degrees north and applies to Atlantic coastal areas of Florida and to the Gulf Coast States.","ecosystem":"Estuary, Fresh Wetland, Large River, Stream","documentation":"Lewis, J.C. 1983. Habitat suitabililty index models: roseate spoonbill. U.S. Dept. Int. Fish. Wildl. Serv. FWS/OBS-82/10.50. 16 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e1901cf8-7e92-428c-a955-f6b6594e4d0b","SIV4":"roost.nest.hab.SIV","SIV5":"dist.to.human.activity.SIV","SIV6":"h.woody.veg.mainland.SIV","CRN":"(0.8*((SIV4*SIV5*SIV6)^(1/3)))","Eqtn":"CRN"} {"model":"ruffedgrouse","species":"Bonasa umbellus","geography":"Within the region where aspen is a predominant component of the forest ecosystem","documentation":"Cade, B.S., and P.J. Sousa. 1985. Habitat suitability index models: Ruffed grouse. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.86). 31 pp.","note":"HSI computed as the minimum of the life requisite requirements without area weighting. SIV2 was eliminated.","website":"https://ecolibrary.sec.usace.army.mil/resource/a9f4e508-f303-42ce-9cfb-859aa0f43c9c","SIV1":"radius.of.circles.containing.20.male.aspen.SIV","SIV3":"stem.density.SIV","SIV4":"woody.stems.SIV","SIV5":"pct.conifers.SIV","CWF":"SIV1","CCFS":"(SIV3*SIV4*SIV5)","Eqtn":"min(CWF,CCFS)"} {"model":"shortnosesturgeon","species":"Acipenser brevirostrum ","geography":"North American Atlantic coast ","ecosystem":"Estuary, Large River, Large Watershed/Major Restoration, Stream ","documentation":"Crance, JH. 1986. Habitat suitability index models and instream flow suitability curves: Shortnose sturgeon. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.129). 31 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/46ab8703-e779-44b8-ce63-03c331ec998a","SIV1":"avg.wtr.temp.summer.ad.SIV","SIV2":"avg.wtr.column.vel.summer.ad.SIV","SIV3":"predominant.subs.summer.ad.SIV","SIV4":"avg.wtr.temp.spwn.SIV","SIV5":"avg.wtr.column.vel.spwn.SIV","SIV6":"predominant.subs.spwn.SIV","CF":"min(SIV1,SIV2,SIV3)","CR":"min(SIV4, SIV5, SIV6)","Eqtn":"min(CF,CR)"} {"model":"sliderturtle","species":"Trachemys scripta","geography":"Southern waters from Virginia to New Mexico and as far south as Brazil, South America","ecosystem":"Fresh Wetland, Lake, Large River","documentation":"Morreale, S.J., and J.W. Gibbons. 1986. Habitat suitability index models: Slider turtle. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.125). 14 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/6c638ec3-0db4-4161-ceac-7e8c1f13e815","SIV1":"veg.cov.SIV","SIV2":"vel.SIV","SIV3":"wtr.d.SIV","SIV4":"wtr.regime.SIV","SIV5":"avg.wtr.temp.SIV","CCF":"SIV1","CW":"min(SIV2,SIV3,SIV4)","CTe":"SIV5","Eqtn":"min(CW,CCF,CTe)"} {"model":"sloughdarterLac","submodel":"Lacustrine","species":"Etheostoma gracile","geography":"Native range in North America ","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Edwards, EA, M Bacteller, and OE Maughan. 1982. Habitat suitability index models: Slough darter. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.9. 13 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e4944d27-8c4b-4655-a834-4dbd2f21cbc6","SIV1":"min.DO.SIV","SIV5":"wtr.temp.spring.fall.SIV","SIV6":"max.mth.turb.SIV","SIV8":"pH.SIV","CWQ":"ifelse(SIV1==0|SIV5==0|SIV6==0|SIV8==0,0,ifelse(SIV1<=0.4|SIV5<=0.4|SIV6<=0.4,min(SIV1,SIV5,SIV6,(((SIV1^2)*(SIV5^2)*(SIV6^2)*(SIV8))^(1/7))),(((SIV1^2)*(SIV5^2)*(SIV6^2)*(SIV8))^(1/7))))","Eqtn":"CWQ"} {"model":"sloughdarterRiv","submodel":"Riverine","species":"Etheostoma gracile","geography":"Native range in North America ","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Edwards, EA, M Bacteller, and OE Maughan. 1982. Habitat suitability index models: Slough darter. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.9. 13 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/e4944d27-8c4b-4655-a834-4dbd2f21cbc6","SIV1":"min.DO.SIV","SIV2":"pct.pl.SIV","SIV3":"strm.grad.SIV","SIV4":"strm.bottom.subs.SIV","SIV5":"wtr.temp.spring.fall.SIV","SIV6":"max.mth.turb.SIV","SIV7":"vel.0.6m.d.SIV","SIV8":"pH.SIV","CCF":"(SIV2 + SIV6)/2","CWQ":"ifelse(SIV1==0|SIV5==0|SIV6==0|SIV8==0,0,ifelse(SIV1<=0.4|SIV5<=0.4|SIV6<=0.4,min(SIV1,SIV5,SIV6,(((SIV1^2)*(SIV5^2)*(SIV6^2)*SIV8)^(1/7))),(((SIV1^2)*(SIV5^2)*(SIV6^2)*SIV8)^(1/7))))","COT":"ifelse(SIV3==0|SIV4==0|SIV7==0,0,ifelse(SIV3<=0.4|SIV4<=0.4|SIV7<=0.4,min(SIV3,SIV4,SIV7,((SIV3*(SIV4^2)*(SIV7^2))^(1/5))),((SIV3*(SIV4^2)*(SIV7^2))^(1/5))))","Eqtn":"ifelse(COT<=0.4|CWQ<=0.4,min(COT,CWQ,((CCF*CWQ*(COT^2))^(1/4))),((CCF*CWQ*(COT^2))^(1/4)))"} {"model":"smallmouthbassLac","submodel":"Lacustrine","species":"Micropterus dolomieu","geography":"Throughout native and introduced range in North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, EA, G Gebhart, and OE Maughan. 1983. Habitat suitability information: Smallmouth bass. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.36. 47 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/3fbb4bd6-47cf-43ec-e80b-027995b9f336","SIV1":"subs.type.SIV","SIV3":"avg.d.lake.reservoir.SIV","SIV5":"pct.cov.SIV","SIV6":"avg.pH.SIV","SIV7":"avg.TSD.level.SIV","SIV8":"min.DO.SIV","SIV9":"max.turb.SIV","SIV10":"wtr.temp.growing.season.ad.SIV","SIV11":"wtr.temp.spwn.season.e.SIV","SIV12":"wtr.temp.growing.season.fry.SIV","SIV13":"wtr.temp.growing.season.juv.SIV","SIV14":"wtr.level.fluctuations.spwn.SIV","CF":"(SIV1*SIV3*SIV5)^(1/3)","CC":"((SIV1+SIV3+SIV5)/3)","CWQ":"ifelse(SIV10<=0.6|SIV12<=0.6|SIV13<=0.6,min(SIV10,SIV12,SIV13,(SIV6+SIV7+SIV8+SIV9+(2*min(SIV10,SIV12,SIV13)))/6),(SIV6+SIV7+SIV8+SIV9+(2*(SIV10*SIV12*SIV13)^(1/3)))/6)","CR":"((SIV11^2)* SIV14* SIV1* SIV5* SIV8)^(1/6)","Eqtn":"ifelse(CWQ<=0.6|CR<=0.6,min(CWQ,CR,(CF*CC*CWQ*CR)^(1/4)),(CF*CC*CWQ*CR)^(1/4))"} {"model":"smallmouthbassRiv","submodel":"Riverine","species":"Micropterus dolomieu","geography":"Throughout native and introduced range in North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, EA, G Gebhart, and OE Maughan. 1983. Habitat suitability information: Smallmouth bass. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.36. 47 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/3fbb4bd6-47cf-43ec-e80b-027995b9f336","SIV1":"subs.type.SIV","SIV2":"pct.pl.SIV","SIV4":"avg.d.pl.SIV","SIV5":"pct.cov.SIV","SIV6":"avg.pH.SIV","SIV8":"min.DO.SIV","SIV9":"max.turb.SIV","SIV10":"wtr.temp.growing.season.ad.SIV","SIV11":"wtr.temp.spwn.season.e.SIV","SIV12":"wtr.temp.growing.season.fry.SIV","SIV13":"wtr.temp.growing.season.juv.SIV","SIV14":"wtr.level.fluctuations.spwn.SIV","SIV15":"strm.gradient.SIV","CF":"(SIV1*SIV2*SIV5)^(1/3)","CC":"((SIV1+SIV2+SIV4+SIV5)/4)","CWQ":"ifelse(SIV10<=0.6|SIV12<=0.6|SIV13<=0.6,min(SIV10,SIV12,SIV13,((SIV6+SIV8+SIV9+(2*(min(SIV10,SIV12,SIV13))))/5)),((SIV6+SIV8+SIV9+(2*((SIV10*SIV12*SIV13)^(1/3))))/5))","CR":"((SIV11^2)* SIV14* SIV1* SIV5* SIV8* SIV9)^(1/7)","COT":"SIV15","Eqtn":"ifelse(CWQ<=0.6|CR<=0.6,min(CWQ,CR,(CF*CC*CWQ*CR*COT)^(1/5)),(CF*CC*CWQ*CR*COT)^(1/5))"} {"model":"smallmouthbuffaloLac","submodel":"Lacustrine","species":"Ictiobus bubalus","geography":"Throughout the native and introduced range in North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, EA, and K Twomey. 1982. Habitat suitability index models: Smallmouth buffalo. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.13. 28 pp.","note":"Salinity (SIV12) is an optional variable; if unused, enter NA for SIV12 in CWQ equation","website":"https://ecolibrary.sec.usace.army.mil/resource/130babfe-4294-4d8d-8d4c-36984056302a","SIV2":"pct.pl.ad.emb.juv.fry.SIV","SIV3":"max.mth.avg.turb.SIV","SIV4":"pH.SIV","SIV5":"avg.wtr.temp.ad.SIV","SIV6":"avg.max.wtr.temp.emb.SIV","SIV7":"avg.wtr.temp.fry.juv.SIV","SIV8":"avg.min.Doad.fry.juv.SIV","SIV9":"min.DO.emb.SIV","SIV12":"max.sal.spring.summer.SIV","SIV13":"storage.ratio.SIV","SIV14":"spwn.subs.SIV","SIV15":"pct.veg.cov.pl.SIV","SIV16":"litt.area.SIV","SIV17":"lac.env.m.SIV","CCF":"(SIV15*SIV16)^(1/2)","CWQ":"ifelse(SIV5<=0.4|SIV7<=0.4,ifelse(SIV8<=0.4,min(SIV5,SIV7,SIV8,(sum(SIV3,SIV4,(2*(min(SIV5,SIV7))),(2*SIV8),SIV12,na.rm=TRUE))/length(na.omit(c(SIV3,SIV4,(min(SIV5,SIV7)),(min(SIV5,SIV7)),SIV8,SIV8,SIV12)))),(sum(SIV3,SIV4,(2*(min(SIV5,SIV7))),(2*SIV8),SIV12,na.rm=TRUE))/length(na.omit(c(SIV3,SIV4,(min(SIV5,SIV7)),(min(SIV5,SIV7)),SIV8,SIV8,SIV12)))),ifelse(((SIV5*SIV7)^(1/2))<=0.4|SIV8<=0.4,min(((SIV5*SIV7)^(1/2)),SIV8,(sum(SIV3,SIV4,(2*(SIV5*SIV7)^(1/2)),(2*SIV8),SIV12,na.rm=TRUE))/length(na.omit(c(SIV3,SIV4,((SIV5*SIV7)^(1/2)),((SIV5*SIV7)^(1/2)),SIV8,SIV8,SIV12)))),(sum(SIV3,SIV4,(2*(SIV5*SIV7)^(1/2)),(2*SIV8),SIV12,na.rm=TRUE))/length(na.omit(c(SIV3,SIV4,((SIV5*SIV7)^(1/2)),((SIV5*SIV7)^(1/2)),SIV8,SIV8,SIV12)))))","CR":"((SIV6^2)*(SIV9^2)*SIV14*SIV15*SIV16*SIV17)^(1/8)","COT":"SIV13","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CCF*(CWQ^2)*(CR^2)*COT)^(1/6)),(CCF*(CWQ^2)*(CR^2)*COT)^(1/6))"} {"model":"smallmouthbuffaloRiv","submodel":"Riverine","species":"Ictiobus bubalus","geography":"Throughout the native and introduced range in North America","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, EA, and K Twomey. 1982. Habitat suitability index models: Smallmouth buffalo. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.13. 28 pp.","note":"Salinity (SIV12) is an optional variable; if unused, enter NA for SIV12 in CWQ equation","website":"https://ecolibrary.sec.usace.army.mil/resource/130babfe-4294-4d8d-8d4c-36984056302a","SIV1":"avg.strm.w.SIV","SIV2":"pct.pl.ad.emb.juv.fry.SIV","SIV3":"max.mth.avg.turb.SIV","SIV4":"pH.SIV","SIV5":"avg.wtr.temp.ad.SIV","SIV6":"avg.max.wtr.temp.emb.SIV","SIV7":"avg.wtr.temp.fry.juv.SIV","SIV8":"avg.min.Doad.fry.juv.SIV","SIV9":"min.DO.emb.SIV","SIV10":"avg.curr.vel.ad.SIV","SIV11":"avg.curr.vel.emb.fry.juv.SIV","SIV12":"max.sal.spring.summer.SIV","SIV15":"pct.veg.cov.pl.SIV","CCF":"(SIV2*SIV15)^(1/2)","CWQ":"ifelse(SIV5<=0.4|SIV7<=0.4,ifelse(SIV8<=0.4,min(SIV5,SIV7,SIV8,(sum(SIV3,SIV4,(2*(min(SIV5,SIV7))),(2*SIV8),SIV12,na.rm=TRUE))/length(na.omit(c(SIV3,SIV4,(min(SIV5,SIV7)),(min(SIV5,SIV7)),SIV8,SIV8,SIV12)))),(sum(SIV3,SIV4,(2*(min(SIV5,SIV7))),(2*SIV8),SIV12,na.rm=TRUE))/length(na.omit(c(SIV3,SIV4,(min(SIV5,SIV7)),(min(SIV5,SIV7)),SIV8,SIV8,SIV12)))),ifelse(((SIV5*SIV7)^(1/2))<=0.4|SIV8<=0.4,min(((SIV5*SIV7)^(1/2)),SIV8,(sum(SIV3,SIV4,(2*(SIV5*SIV7)^(1/2)),(2*SIV8),SIV12,na.rm=TRUE))/length(na.omit(c(SIV3,SIV4,((SIV5*SIV7)^(1/2)),((SIV5*SIV7)^(1/2)),SIV8,SIV8,SIV12)))),(sum(SIV3,SIV4,(2*(SIV5*SIV7)^(1/2)),(2*SIV8),SIV12,na.rm=TRUE))/length(na.omit(c(SIV3,SIV4,((SIV5*SIV7)^(1/2)),((SIV5*SIV7)^(1/2)),SIV8,SIV8,SIV12)))))","CR":"(SIV2*SIV11*SIV15*(SIV6^2)*(SIV9^2))^(1/7)","COT":"min(((SIV1+SIV10)/2),SIV1)","Eqtn":"ifelse(CCF<=0.4|CWQ<=0.4|CR<=0.4|COT<=0.4,min(CCF,CWQ,CR,COT,(CCF*CWQ*(CR^2)*COT)^(1/5)),(CCF*CWQ*(CR^2)*COT)^(1/5))"} {"model":"snappingturtle","species":"Chelydra serpentina","geography":"Southern Canada to the Gulf of Mexico, and from the Atlantic Ocean to the Rocky Mountains","ecosystem":"Floodplain, Fresh Wetland, Lake, Large River, Stream","documentation":"Graves. B.M., and S.H. Anderson. 1987. Habitat suitability index models: snapping turtle. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.141). 18 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/9525e9ff-112d-4708-e4f8-b587cec9e81e","SIV1":"wtr.temp.summer.SIV","SIV2":"curr.vel.summer.SIV","SIV3":"aq.veg.can.cov.SIV","SIV4":"wtr.d.winter.SIV","SIV5":"silt.subs.SIV","SIV6":"dist.to.small.strm.SIV","SIV7":"dist.to.perm.wtr.SIV","CF":"(SIV1*SIV2*SIV3)^(1/3)","CR":"SIV6","CIN":"SIV7","CWC":"(SIV4*SIV5)","Eqtn":"(CF*CWC*CR)^(1/3)*CIN"} {"model":"snowshoehareForageBiomass","submodel":"Biomass of avaliable browse","species":"Lepus americanus ","geography":"Boreal forests throughout North America ","ecosystem":"Fresh Wetland","documentation":"Carreker, R.G. 1985. Habitat suitability index models: Snowshoe hare. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.101). 21 pp. ","note":"Area weighting not considered in model.","website":"https://ecolibrary.sec.usace.army.mil/resource/872f3edf-4c67-4c25-c020-2757666e4458","SIV1":"browse.biomass.SIV","SIV3":"visual.obstruction.of.all.veg.SIV","CF":"SIV1","CC":"SIV3","Eqtn":"CF*CC"} {"model":"snowshoehareForageVisual","submodel":"Average visual obstruction","species":"Lepus americanus ","geography":"Boreal forests throughout North America ","ecosystem":"Fresh Wetland","documentation":"Carreker, R.G. 1985. Habitat suitability index models: Snowshoe hare. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.101). 21 pp. ","note":"Area weighting not considered in model.","website":"https://ecolibrary.sec.usace.army.mil/resource/872f3edf-4c67-4c25-c020-2757666e4458","SIV2":"visual.obstruction.of.veg.SIV","SIV3":"visual.obstruction.of.all.veg.SIV","CF":"SIV2","CC":"SIV3","Eqtn":"CF*CC"} {"model":"southernkingfishEstu","submodel":"Estuarine","species":"Menticirrhus americanus ","geography":"Throughout range along the continental United States ","ecosystem":"Estuary, Large River, Large Watershed/Major Restoration, Stream ","documentation":"Sikora, WB, and JP Sikora. 1982. Habitat suitability index models: Southern kingfish. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.31. 22 pp. ","note":"Tidal current velocity component (TCV; SIV8) is considered COT (other component)","website":"https://ecolibrary.sec.usace.army.mil/resource/017badb9-4d07-43dc-f066-4de2813fcd5d","SIV1":"subs.SIV","SIV2":"benthic.infauna.production.SIV","SIV3":"circulation.curr.vel.SIV","SIV4":"min.summer.DO.SIV","SIV5":"summer.bottom.wtr.temp.SIV","SIV6":"summer.sal.SIV","SIV7":"shoreline.cov.avg.tide.5.to.2m.SIV","SIV8":"tidal.vel.estuary.SIV","CF":"(SIV1*SIV2*SIV3)^(1/3)","CWQ":"(SIV4*SIV5*SIV6*SIV7)^(1/4)","COT":"SIV8","Eqtn":"(CF*CWQ*COT)^(1/3)"} {"model":"southernkingfishMarine","submodel":"Marine","species":"Menticirrhus americanus ","geography":"Throughout range along the continental United States ","ecosystem":"Estuary, Large River, Large Watershed/Major Restoration, Stream ","documentation":"Sikora, WB, and JP Sikora. 1982. Habitat suitability index models: Southern kingfish. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.31. 22 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/017badb9-4d07-43dc-f066-4de2813fcd5d","SIV1":"subs.SIV","SIV2":"benthic.infauna.production.SIV","CF":"(SIV1*SIV2)^(1/2)","Eqtn":"CF"} {"model":"southernredbackedvole","submodel":"Western US","species":"Clethrionomys gapperi ","geography":"Throughout North America","documentation":"Allen, A.W. 1983. Habitat suitability index models: Southern red-backed vole (Western United States). U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.42. 14 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/e3b39341-7166-4235-fe7b-b12e1da57169","SIV1":"overstory.trees.dbh.SIV","SIV2":"gs.downfall.SIV","SIV3":"grass.can.cov.SIV","SIV4":"can.cov.evergreen.SIV","CCF":"(((SIV1*SIV2*SIV3)^(1/3))*SIV4)","Eqtn":"CCF"} {"model":"spotJuv","submodel":"Juvenile","species":"Leiostomus xanthurus","geography":"Normal coastal range from the Gulf of Mexico along the Atlantic coast ","ecosystem":"Estuary","documentation":"Stickney, RR, and ML Cuenco. 1982. Habitat suitability index models: Juvenile spot. U.S. Dept. Int. Fish Wildl. Serv. FWS/OBS-82/10.20. 12 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/ee9a3c19-20b4-4cf9-fa1c-8ceee46aed71","SIV1":"sediment.SIV","SIV2":"wtr.temp.summer.SIV","SIV3":"sal.summer.SIV","SIV4":"DO.summer.SIV","SIV5":"wtr.d.SIV","CF":"SIV1","CWQ":"min(SIV2,SIV3,SIV4,SIV5)","Eqtn":"min(CF,CWQ)"} {"model":"spottedbassLac","submodel":"Lacustrine","species":"Micropterus punctulatus","geography":"Water bodies within the native and introduced range","ecosystem":"Lake, Large River, Stream","documentation":"McMahon, T.E., G. Gebhart, O.E. Maughan, and P.C. Nelson. 1984. Habitat suitability index models and instream flow suitability curves: Spotted bass. U.S. Fish Wildl. Serv. FWS/OBS-82/10.72. 41 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/659807ad-1067-4e2c-c7c7-b27866c889f9","SIV3":"subs.gravel.cobble.boulders.bedrock.SIV","SIV4":"cov.pls.above.thermocline.SIV","SIV5":"turb.summer.SIV","SIV6":"pH.SIV","SIV7":"max.temp.summer.SIV","SIV8":"min.temp.spwn.SIV","SIV9":"min.DO.pls.SIV","SIV10":"min.DO.location.SIV","SIV11":"trophic.status.SIV","CCF":"min(SIV3,SIV4)","CWQ":"min(SIV5,SIV6,SIV7,SIV9)","CR":"min(SIV3,SIV4,SIV8,SIV10)","COT":"SIV11","Eqtn":"min(CCF,CWQ,CR,COT)"} {"model":"spottedbassRiv","submodel":"Riverine","species":"Micropterus punctulatus","geography":"Water bodies within the native and introduced range","ecosystem":"Lake, Large River, Stream","documentation":"McMahon, T.E., G. Gebhart, O.E. Maughan, and P.C. Nelson. 1984. Habitat suitability index models and instream flow suitability curves: Spotted bass. U.S. Fish Wildl. Serv. FWS/OBS-82/10.72. 41 pp.","website":"https://ecolibrary.sec.usace.army.mil/resource/659807ad-1067-4e2c-c7c7-b27866c889f9","SIV1":"rffls.summer.SIV","SIV2":"pl.d.summer.SIV","SIV3":"subs.gravel.cobble.boulders.bedrock.SIV","SIV4":"cov.pls.above.thermocline.SIV","SIV5":"turb.summer.SIV","SIV6":"pH.SIV","SIV7":"max.temp.summer.SIV","SIV8":"min.temp.spwn.SIV","SIV9":"min.DO.pls.SIV","SIV10":"min.DO.location.SIV","CCF":"min(SIV1,SIV2,SIV3,SIV4)","CWQ":"min(SIV5,SIV6,SIV7,SIV9)","CR":"min(SIV3,SIV4,SIV8,SIV10)","Eqtn":"min(CCF,CWQ,CR)"} {"model":"spottedowl","species":"Strix occidentalis ","geography":"Sierran Forest Province of Bailey and the pacific Forest Province","documentation":"Laymon, S.A., H. Salwasser, and R.H. Barrett. 1985. Habitat suitability index models: Spotted owl. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.113) 14 pp.","note":"Area weighting not considered in model.","website":"https://ecolibrary.sec.usace.army.mil/resource/322ce8d8-4f7a-42dd-da40-7d0236183d2f","SIV1":"overstory.trees.dbh.SIV","SIV2":"tree.can.cov.SIV","SIV3":"tree.can.diversity.SIV","CR":"SIV1*((SIV2*SIV3)^(1/2))","Eqtn":"CR"} {"model":"spottedseatrout","species":"Cynoscion nebulosus","geography":"Estuarine habitats along the Atlantic and Gulf of Mexico coasts.","ecosystem":"Estuary","documentation":"Kostecki, P.T. 1984. Habitat suitability index models: spotted seatrout. U.S.Fish Wildl. Serv. FWS/OBS-82/10.75. 22 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/de0b0ba2-a983-4d36-eb8d-8f8e9afd2f9e","SIV1":"lowest.mth.avg.sal.winter.spring.SIV","SIV2":"highest.mth.avg.sal.summer.SIV","SIV3":"lowest.avg.winter.wtr.temp.SIV","SIV4":"highest.mth.avg.summer.wtr.temp.SIV","SIV5":"subm.emergent.veg.SIV","CCF":"SIV5","CWQ":"min((SIV1*SIV2)^(1/2), (SIV3*SIV4)^(1/2))","Eqtn":"min(CCF, CWQ)"} {"model":"steelheadtroutRiv","submodel":"Migrating (anadromous) Riverine Steelhead Trout habitat; equal component method","species":"Oncorhynchus mykiss","geography":"Entire North American range","ecosystem":"Large River, Stream","documentation":"Raleigh, RF, T Hickman, RC Solomon, and PC Nelson. 1984. Habitat suitability information: Rainbow trout. U.S. Fish Wildl. Serv. FWS/OBS-82/10.60. 64 pp.","note":"SIV3 and SIV3B, SIV4 and SIV4B, and SIV7 and SIV7B are mutually exclusive. If stream temperatures are less than or equal to 15 degrees Celsius, enter SIV value for SIV3 and set SIV3B equal to NA. If stream temperatures are greater than 15 degrees Celsius, enter SIV value for SIV3B and set SIV3 equal to NA. If stream widths are less than or equal to 5m, enter SIV value for SIV4 and set SIV4B equal to NA. If stream widths are more than 5m, enter SIV value for SIV4B and set SIV4 equal to NA. If substrate sizes are less than 50cm in the spawning area, enter SIV value for SIV7 and set SIV7B equal to NA. If substrate sizes are greater than or equal to 50cm, enter SIV value for SIV7B and set SIV7 equal to NA. SIV12, SIV17, and SIV18 are optional variables: to exclude, enter NA for SIV values; Embryo component equation modified to exclude area weighted average. To calculate individual components, set the \"exclude\" argument in HSIeqtn() to the components you wish to remove. All individual life stage components should also include COT except the embryo component, for which HSI=CE.","website":"https://ecolibrary.sec.usace.army.mil/resource/d330201a-bf3e-41c1-c2e8-ba03713b7a90","SIV1":"avg.max.wtr.temp.opt.DO.lac.mig.SIV","SIV2":"avg.max.wtr.temp.smolt.dev.SIV","SIV3":"avg.min.DO.at.opt.temp.zone.Ltoe15C.SIV","SIV3B":"avg.min.DO.at.opt.temp.zone.mt15C.SIV","SIV4":"avg.thalweg.late.growing.seas.d.strm.ltoe5m.SIV","SIV4B":"avg.thalweg.late.growing.seas.d.strm.Mt5m.SIV","SIV5":"avg.vel.emb.dev.SIV","SIV6":"instream.cov.growing.seas.juv.SIV","SIV6B":"instream.cov.growing.seas.ad.SIV","SIV7":"avg.subs.size.spwn.lt50cm.spwner.SIV","SIV7B":"avg.subs.size.spwn.Mtoe50cm.spwner.SIV","SIV8":"subs.size.class.10.to.40cm.SIV","SIV9":"dom.subs.rffl.run.SIV","SIV10":"pls.late.growing.seas.low.wtr.SIV","SIV11":"avg.veg.ground.cov.summer.SIV","SIV12":"avg.rooted.veg.stable.rocky.ground.SIV","SIV13":"annual.max.min.pH.SIV","SIV14":"avg.annual.base.flow.regime.SIV","SIV15":"pl.rating.late.growing.seas.low.flow.SIV","SIV16":"fines.lt3mm.pct.spawn.SIV","SIV16B":"fines.lt3mm.pct.riffle.run.SIV","SIV17":"strm.area.shaded.SIV","SIV18":"avg.daily.flow.upstrm.mig.SIV","COT":"((((SIV9*SIV16B)^(1/2)+SIV11)/2)*prod(SIV1,SIV3,SIV3B,SIV12,SIV13,SIV14,SIV17,na.rm=T)^(1/length(na.omit(c(SIV1,SIV3,SIV3B,SIV12,SIV13,SIV14,SIV17)))))^(1/2)","CE":"min(SIV2,SIV3,SIV3B,prod(SIV5,SIV7,SIV7B,SIV16,na.rm=T)^(1/3),na.rm=T)","CJ":"prod(ifelse(SIV6<=0.4|SIV10<=0.4|SIV15<=0.4,min(SIV6,SIV10,SIV15),(SIV6+SIV10+SIV15)/3),SIV2)^(1/2)","CFr":"ifelse(SIV10<=0.4|(SIV8*SIV16B)^(1/2)<=0.4,min(SIV10,(SIV8*SIV16B)^(1/2)),(SIV10*(SIV8*SIV16B)^(1/2))^(1/2))","CA":"prod(ifelse((!is.na(SIV4)&SIV4<=0.4)|(!is.na(SIV4B)&SIV4B<=0.4)|(SIV10*SIV15^(1/2)<=0.4),min(SIV4,SIV4B,(SIV10*SIV15)^(1/2),na.rm=T),ifelse(SIV6B>(SIV10*SIV15)^(1/2),prod(SIV4,SIV4B,SIV6B,(SIV10*SIV15)^(1/2),na.rm=T)^(1/3),prod(SIV4,SIV4B,(SIV10*SIV15)^(1/2),na.rm=T)^(1/2))),SIV1,SIV18,na.rm=T)^(1/length(na.omit(c(1,SIV1,SIV18))))","Eqtn":"ifelse((!is.na(CA)&CA<=0.4)|(!is.na(CJ)&CJ<=0.4)|(!is.na(CFr)&CFr<=0.4)|(!is.na(CE)&CE<=0.4)|!is.na(COT)&COT<=0.4,min(CA,CJ,CFr,CE,COT,na.rm=T),prod(CA,CJ,CFr,CE,COT,na.rm=T)^(1/length(na.omit(c(CA,CJ,CFr,CE,COT)))))"} {"model":"stripedbassCoastal","submodel":"Coastal model","species":"Morone saxatilis ","geography":"On Atlantic, Pacific, or Gulf of Mexico coasts of the United States ","ecosystem":"Estuary","documentation":"Bain, MB, and JL Bain. 1982. Habitat suitability index models: Coastal stocks of striped bass. U.S. Fish and Wildlife Service, Office of Biological Services, Washington, D.C. FWS/OBS-82/10.1. 29 pp. ","note":"To exclude life stage components, enter component name for exclude option in HSIeqtn()","website":"https://ecolibrary.sec.usace.army.mil/resource/19f3170e-2ac8-4ecf-9c84-b6bf9b577e0e","SIV1":"natural.river.dis.spwn.SIV","SIV2":"max.DS.spwn.SIV","SIV3":"wtr.temp.spwn.egg.dev.SIV","SIV4":"min.DO.egg.larv.dev.SIV","SIV5":"curr.vel.egg.dev.SIV","SIV6":"original.salt.marsh.SIV","SIV7":"original.freshwater.input.SIV","SIV8":"wtr.temp.larv.dev.SIV","SIV9":"sal.larv.dev.SIV","SIV10":"DO.growing.season.SIV","SIV11":"wtr.temp.growing.season.SIV","CL":"((((SIV6+SIV7)/2)^(2))*((SIV4*SIV8*SIV9)^(1/3)))^(1/3)","CE":"ifelse(SIV31,1,min(SIV2,((SIV3*SIV4)^(1/2))+(0.5*((SIV5*SIV6)^(1/2)))))","Eqtn":"CCR"} {"model":"veeryWetland","submodel":"Wetland habitat","species":"Catharus fuscescens","geography":"Throughout the United States in damp forests","ecosystem":"Fresh Wetland ","documentation":"Sousa, P.J. 1982. Habitat suitability index models: Veery. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.22. 12 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/1b83a879-f1e6-4ed4-a948-96ab3b98a974","SIV1":"flooded.cov.type.SIV","SIV3":"decid.shrub.cov.SIV","SIV4":"h.decid.trees.SIV","SIV5":"herb.can.cov.SIV","SIV6":"h.herb.can.SIV","CCR":"ifelse(((SIV1*((SIV3*SIV4)^(1/2)))+(0.5*(SIV5*SIV6)^(1/2)))>1,1,((SIV1*((SIV3*SIV4)^(1/2)))+(0.5*(SIV5*SIV6)^(1/2))))","Eqtn":"CCR"} {"model":"walleyeLacSecchiLtoe3.4m","submodel":"Lacustrine habitat with Secchi transparency less than or equal to 3.4m","species":"Sander vitreus","geography":"Native and introduced range in North America ","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"McMahin, T.E., J.W. Terrell, and P.C. Nelson. 1984. Habitat suitability information: Walleye. U.S. Fish Wildl. Serv. FWS/OBS-82/10.56. 43 pp. ","note":"See SIV14 for list of parameter levels that can be used to classify a water body according to trophic status (adapted from Leach et al. 1977)","website":"https://ecolibrary.sec.usace.army.mil/resource/b5a3f584-9a47-4fcb-ca6b-f4de7c85b8a1","SIV1":"transparency.summer.SIV","SIV2":"abund.small.forage.fish.SIV","SIV3":"wtr.body.with.cov.SIV","SIV4":"pH.least.suit.SIV","SIV5":"min.DO.pl.ad.juv.SIV","SIV6":"min.DO.shoreline.fry.SIV","SIV7":"min.DO.spwn.emb.SIV","SIV8":"wtr.temp.ad.juv.SIV","SIV9":"wtr.temp.fry.SIV","SIV10":"wtr.temp.emb.SIV","SIV11":"degree.days.4.to.10.C.SIV","SIV12":"spwn.hab.index.SIV","SIV13":"wtr.level.spwn.e.SIV","SIV14":"trophic.status.SIV","CF":"(SIV1+SIV2)/2","CC":"(((3*SIV1)+SIV3)/4)","CWQ":"min (SIV4, SIV5, SIV6, SIV8, SIV9)","CR":"min (SIV7, SIV10, SIV11, SIV12, SIV13)","COT":"SIV14","Eqtn":"min(CF, CC, CWQ, CR, COT)"} {"model":"walleyeLacSecchiMt3.4m","submodel":"Lacustrine habitat with Secchi transparency more than 3.4m","species":"Sander vitreus","geography":"Native and introduced range in North America ","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"McMahin, T.E., J.W. Terrell, and P.C. Nelson. 1984. Habitat suitability information: Walleye. U.S. Fish Wildl. Serv. FWS/OBS-82/10.56. 43 pp. ","note":"See SIV14 for list of parameter levels that can be used to classify a water body according to trophic status (adapted from Leach et al. 1977)","website":"https://ecolibrary.sec.usace.army.mil/resource/b5a3f584-9a47-4fcb-ca6b-f4de7c85b8a1","SIV1":"transparency.summer.SIV","SIV2":"abund.small.forage.fish.SIV","SIV3":"wtr.body.with.cov.SIV","SIV4":"pH.least.suit.SIV","SIV5":"min.DO.pl.ad.juv.SIV","SIV6":"min.DO.shoreline.fry.SIV","SIV7":"min.DO.spwn.emb.SIV","SIV8":"wtr.temp.ad.juv.SIV","SIV9":"wtr.temp.fry.SIV","SIV10":"wtr.temp.emb.SIV","SIV11":"degree.days.4.to.10.C.SIV","SIV12":"spwn.hab.index.SIV","SIV13":"wtr.level.spwn.e.SIV","SIV14":"trophic.status.SIV","CF":"(SIV1+SIV2)/2","CC":"((3*SIV1)+((10*(1-SIV1))*SIV3))/(3+(10*(1-SIV1)))","CWQ":"min (SIV4, SIV5, SIV6, SIV8, SIV9)","CR":"min (SIV7, SIV10, SIV11, SIV12, SIV13)","COT":"SIV14","Eqtn":"min(CF, CC, CWQ, CR, COT)"} {"model":"walleyeRivSecchiLtoe3.4m","submodel":"Riverine habitat with Secchi transparency less than or equal to 3.4m","species":"Sander vitreus","geography":"Native and introduced range in North America ","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"McMahin, T.E., J.W. Terrell, and P.C. Nelson. 1984. Habitat suitability information: Walleye. U.S. Fish Wildl. Serv. FWS/OBS-82/10.56. 43 pp. ","note":"See SIV14 for list of parameter levels that can be used to classify a water body according to trophic status (adapted from Leach et al. 1977)","website":"https://ecolibrary.sec.usace.army.mil/resource/b5a3f584-9a47-4fcb-ca6b-f4de7c85b8a1","SIV1":"transparency.summer.SIV","SIV2":"abund.small.forage.fish.SIV","SIV3":"wtr.body.with.cov.SIV","SIV4":"pH.least.suit.SIV","SIV5":"min.DO.pl.ad.juv.SIV","SIV6":"min.DO.shoreline.fry.SIV","SIV7":"min.DO.spwn.emb.SIV","SIV8":"wtr.temp.ad.juv.SIV","SIV9":"wtr.temp.fry.SIV","SIV10":"wtr.temp.emb.SIV","SIV11":"degree.days.4.to.10.C.SIV","SIV12":"spwn.hab.index.SIV","SIV13":"wtr.level.spwn.emb.SIV","CF":"(SIV1+SIV2)/2","CC":"(((3*SIV1)+SIV3)/4)","CWQ":"min(SIV4,SIV5,SIV6,SIV8,SIV9)","CR":"min(SIV7,SIV10,SIV11,SIV12,SIV13)","Eqtn":"min(CF, CC, CWQ, CR)"} {"model":"walleyeRivSecchiMt3.4m","submodel":"Riverine habitat with Secchi transparency more than 3.4m","species":"Sander vitreus","geography":"Native and introduced range in North America ","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"McMahin, T.E., J.W. Terrell, and P.C. Nelson. 1984. Habitat suitability information: Walleye. U.S. Fish Wildl. Serv. FWS/OBS-82/10.56. 43 pp. ","note":"See SIV14 for list of parameter levels that can be used to classify a water body according to trophic status (adapted from Leach et al. 1977)","website":"https://ecolibrary.sec.usace.army.mil/resource/b5a3f584-9a47-4fcb-ca6b-f4de7c85b8a1","SIV1":"transparency.summer.SIV","SIV2":"abund.small.forage.fish.SIV","SIV3":"wtr.body.with.cov.SIV","SIV4":"pH.least.suit.SIV","SIV5":"min.DO.pl.ad.juv.SIV","SIV6":"min.DO.shoreline.fry.SIV","SIV7":"min.DO.spwn.emb.SIV","SIV8":"wtr.temp.ad.juv.SIV","SIV9":"wtr.temp.fry.SIV","SIV10":"wtr.temp.emb.SIV","SIV11":"degree.days.4.to.10.C.SIV","SIV12":"spwn.hab.index.SIV","SIV13":"wtr.level.spwn.emb.SIV","CF":"(SIV1+SIV2)/2","CC":"((3*SIV1)+((10*(1-SIV1))*SIV3))/(3+(10*(1-SIV1)))","CWQ":"min(SIV4,SIV5,SIV6,SIV8,SIV9)","CR":"min(SIV7,SIV10,SIV11,SIV12,SIV13)","Eqtn":"min(CF, CC, CWQ, CR)"} {"model":"warmouthLac","submodel":"Lacustrine","species":"Lepomis gulosus ","geography":"Throughout the native and introduced range in North America ","ecosystem":"Lake, Large River, Stream ","documentation":"McMahon, TE, G Gebhart, OE Maughan, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: Warmouth. U.S. Fish Wildl. Serv. FWS/OBS-82/10.67. 21 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/21f458dd-3db2-4900-84c7-2199cf5b8868","SIV2":"cov.SIV","SIV5":"turb.SIV","SIV6":"pH.SIV","SIV7":"DO.ad.juv.fry.SIV","SIV8":"DO.e.SIV","SIV9":"wtr.temp.ad.juv.fry.SIV","SIV10":"wtr.temp.e.SIV","CCF":"SIV2","CWQ":"min(SIV5,SIV6,SIV7,SIV9)","CR":"min(SIV2,SIV8,SIV10)","Eqtn":"min(CCF,CWQ,CR)"} {"model":"warmouthRiv","submodel":"Riverine","species":"Lepomis gulosus ","geography":"Throughout the native and introduced range in North America ","ecosystem":"Lake, Large River, Stream ","documentation":"McMahon, TE, G Gebhart, OE Maughan, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: Warmouth. U.S. Fish Wildl. Serv. FWS/OBS-82/10.67. 21 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/21f458dd-3db2-4900-84c7-2199cf5b8868","SIV1":"pl.summer.flow.SIV","SIV2":"cov.SIV","SIV3":"curr.vel.SIV","SIV4":"strm.gradient.SIV","SIV5":"turb.SIV","SIV6":"pH.SIV","SIV7":"DO.ad.juv.fry.SIV","SIV8":"DO.e.SIV","SIV9":"wtr.temp.ad.juv.fry.SIV","SIV10":"wtr.temp.e.SIV","CCF":"min(SIV1,SIV2,SIV3)","CWQ":"min(SIV5,SIV6,SIV7,SIV9)","CR":"min(SIV1,SIV2,SIV8,SIV10)","COT":"SIV4","Eqtn":"min(CCF,CWQ,CR,COT)"} {"model":"westerngrebe","species":"Aechmophorus occidentalis","geography":"southeastern Alaska, south-central British Columbia, central Alberta, central Saskatchewan and south-western Manitoba; south to southern California, north-central Utah, southwestern Colorado, southwestern and northeastern New Mexico, western Nebraska, north-western Iowa, and western Minnesota ","ecosystem":"Coastal Wetland, Fresh Wetland, Large River, Stream ","documentation":"Short, H.L 1984. Habitat suitability index models: Western grebe. U.S. Fish Wildl. Serv. FWS/OBS-82/10.69. 20 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/4cc93f9d-2fd3-4699-ee7a-24ab7057cbec","SIV1":"wetland.breeding.range.SIV","SIV2":"wetland.fish.pop.SIV","SIV3":"emergent.herb.veg.SIV","SIV4":"wtr.levels.around.veg.SIV","SIV5":"motorboat.activity.SIV","SIV6":"interspersion.index.SIV","SIV7":"wtr.level.fluctuations.SIV","SIV8":"wave.h.SIV","Eqtn":"(SIV1*SIV2*SIV3*SIV4*SIV5)*((SIV6*SIV7*SIV8)^(1/3))"} {"model":"whitebassLacCurveASubsIndex","submodel":"Lacustrine model habitat subs index Curve A: 75 to 100% of the habitat is <= 5m deep in lacustrine envs and <=1m in riverine.","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV1":"sa.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.A.SIV","SIV8":"forage.fish.comp.SIV","SIV10":"spwn.habitat.SIV","CF":"SIV8","CR":"(SIV4+SIV6+SIV10)/3","COT":"((((SIV1^2)*SIV5)^(1/3))+SIV7)/2","Eqtn":"ifelse(CF<=0.4|CR<=0.4|COT<=0.4,min(CF,CR,COT),(CF*CR*COT)^(1/3))"} {"model":"whitebassLacCurveBSubsIndex","submodel":"Lacustrine model habitat subs index Curve B: 30 to 75% of the habitat is 1 to 5m deep in lacustrine environments or 0.5 to 1m deep in riverine environments; at least 90% is deeper","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV1":"sa.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.B.SIV","SIV8":"forage.fish.comp.SIV","SIV10":"spwn.habitat.SIV","CF":"SIV8","CR":"(SIV4+SIV6+SIV10)/3","COT":"((((SIV1^2)*SIV5)^(1/3))+SIV7)/2","Eqtn":"ifelse(CF<=0.4|CR<=0.4|COT<=0.4,min(CF,CR,COT),(CF*CR*COT)^(1/3))"} {"model":"whitebassLacCurveCSubsIndex","submodel":"Lacustrine model habitat substrate index Curve C: 10 to 30% of the habitat is 1 to 5m deep in lacustrine habitats or 0.5 to 1m deep in riverine environments; 90% of the remainder is deeper","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV1":"sa.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.B.SIV","SIV8":"forage.fish.comp.SIV","SIV10":"spwn.habitat.SIV","CF":"SIV8","CR":"(SIV4+SIV6+SIV10)/3","COT":"((((SIV1^2)*SIV5)^(1/3))+SIV7)/2","Eqtn":"ifelse(CF<=0.4|CR<=0.4|COT<=0.4,min(CF,CR,COT),(CF*CR*COT)^(1/3))"} {"model":"whitebassLacTribCurveASubsIndex","submodel":"Lacustrine model with suitable tributary streams during spawning season habitat subs index Curve A: 75 to 100% of the habitat is <= 5m deep in lacustrine envs and <=1m in riverine.","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV1":"sa.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.B.SIV","SIV8":"forage.fish.comp.SIV","SIV9":"bank.l.to.d.spwn.ratio.SIV","SIV10":"spwn.habitat.SIV","CF":"SIV8","CR":"max(((SIV4+SIV6+SIV9+SIV10)/4),((SIV4+SIV6+SIV9)/3),((SIV4+SIV6+SIV10)/3))","COT":"((((SIV1^2)*SIV5)^(1/3))+SIV7)/2","Eqtn":"ifelse(CF<=0.4|CR<=0.4|COT<=0.4,min(CF,CR,COT),(CF*CR*COT)^(1/3))"} {"model":"whitebassLacTribCurveBSubsIndex","submodel":"Lacustrine model with suitable tributary streams during spawning season habitat subs index Curve B: 30 to 75% of the habitat is 1 to 5m deep in lacustrine environments or 0.5 to 1m deep in riverine environments; at least 90% is deeper","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV1":"sa.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.B.SIV","SIV8":"forage.fish.comp.SIV","SIV9":"bank.l.to.d.spwn.ratio.SIV","SIV10":"spwn.habitat.SIV","CF":"SIV8","CR":"max(((SIV4+SIV6+SIV9+SIV10)/4),((SIV4+SIV6+SIV9)/3),((SIV4+SIV6+SIV10)/3))","COT":"((((SIV1^2)*SIV5)^(1/3))+SIV7)/2","Eqtn":"ifelse(CF<=0.4|CR<=0.4|COT<=0.4,min(CF,CR,COT),(CF*CR*COT)^(1/3))"} {"model":"whitebassLacTribCurveCSubsIndex","submodel":"Lacustrine model habitat with suitable tributary streams during spawning season; substrate index Curve C: 10 to 30% of the habitat is 1 to 5m deep in lacustrine habitats or 0.5 to 1m deep in riverine environemnts; 90% of the remainder is deeper","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV1":"sa.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.C.SIV","SIV8":"forage.fish.comp.SIV","SIV9":"bank.l.to.d.spwn.ratio.SIV","SIV10":"spwn.habitat.SIV","CF":"SIV8","CR":"max(((SIV4+SIV6+SIV9+SIV10)/4),((SIV4+SIV6+SIV9)/3),((SIV4+SIV6+SIV10)/3))","COT":"((((SIV1^2)*SIV5)^(1/3))+SIV7)/2","Eqtn":"ifelse(CF<=0.4|CR<=0.4|COT<=0.4,min(CF,CR,COT),(CF*CR*COT)^(1/3))"} {"model":"whitebassRivCurveASubsIndex","submodel":"Riverine model habitat subs index Curve A: 75 to 100% of the habitat is <= 5m deep in lacustrine envs and <=1m in riverine.","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV2":"strm.order.SIV","SIV3":"sa.with.surface.curr.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.A.SIV","SIV8":"forage.fish.comp.SIV","SIV9":"bank.l.to.d.spwn.ratio.SIV","CF":"SIV8","CR":"(SIV4+SIV6+SIV9)/3","COT":"((((SIV2^2)*SIV3*SIV5)^(1/4))+SIV7)/2","Eqtn":"(CF*CR*COT)^(1/3)"} {"model":"whitebassRivCurveBSubsIndex","submodel":"Riverine model habitat subs index Curve B: 30 to 75% of the habitat is 1 to 5m deep in lacustrine environments or 0.5 to 1m deep in riverine environments; at least 90% is deeper","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV2":"strm.order.SIV","SIV3":"sa.with.surface.curr.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.B.SIV","SIV8":"forage.fish.comp.SIV","SIV9":"bank.l.to.d.spwn.ratio.SIV","CF":"SIV8","CR":"(SIV4+SIV6+SIV9)/3","COT":"((((SIV2^2)*SIV3*SIV5)^(1/4))+SIV7)/2","Eqtn":"(CF*CR*COT)^(1/3)"} {"model":"whitebassRivCurveCSubsIndex","submodel":"Riverine model habitat substrate index Curve C: 10 to 30% of the habitat is 1 to 5m deep in lacustrine habitats or 0.5 to 1m deep in riverine environments; 90% of the remainder is deeper","species":"Morone chrysops","geography":"Throughout the native and introduced range in the 48 contiguous United States ","ecosystem":"Lake, Large River, Stream ","documentation":"Hamilton, K, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability index curves: White bass. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.89). 35 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/85af0f06-176f-4b9a-9aee-dc64422f1022","SIV2":"strm.order.SIV","SIV3":"sa.with.surface.curr.SIV","SIV4":"max.wtr.level.change.SIV","SIV5":"days.above.16.C.SIV","SIV6":"wtr.temp.spwn.incubation.SIV","SIV7":"hab.subs.index.curve.C.SIV","SIV8":"forage.fish.comp.SIV","SIV9":"bank.l.to.d.spwn.ratio.SIV","CF":"SIV8","CR":"(SIV4+SIV6+SIV9)/3","COT":"((((SIV2^2)*SIV3*SIV5)^(1/4))+SIV7)/2","Eqtn":"(CF*CR*COT)^(1/3)"} {"model":"whitecrappieLac","submodel":"Lacustrine ","species":"Pomoxis annularis ","geography":"Throughout the native and introduced range in North America ","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, EA, DA Krieger, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: White crappie. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.7. 22 pp. ","note":"Salinity (SIV14) is an optional parameter. If not considered for the study area, enter NA for SIV14.","website":"https://ecolibrary.sec.usace.army.mil/resource/e0a7b7c4-b643-4cec-f943-6c3d7290fcd8","SIV2":"pct.cov.pl.ad.fry.e.juv.SIV","SIV4":"litt.area.SIV","SIV5":"ph.range.SIV","SIV6":"wtr.temp.ad.juv.SIV","SIV7":"wtr.temp.fry.SIV","SIV8":"wtr.temp.e.SIV","SIV9":"DO.ad.fry.juv.SIV","SIV10":"DO.e.SIV","SIV11":"turb.SIV","SIV13":"TDS.SIV","SIV14":"sal.growing.season.SIV","CF":"SIV13","CC":"(SIV2*SIV4)^(1/2)","CWQ":"ifelse(((SIV6*SIV7)^(1/2))<=0.4|SIV9<=0.4,min(((SIV6*SIV7)^(1/2)),SIV9,(sum(SIV5,(2*((SIV6*SIV7)^(1/2))),(2*SIV9),SIV11,SIV14,na.rm=TRUE))/length(na.omit(c(SIV5,((SIV6*SIV7)^(1/2)),((SIV6*SIV7)^(1/2)),SIV9,SIV9,SIV11,SIV14)))),(sum(SIV5,(2*((SIV6*SIV7)^(1/2))),(2*SIV9),SIV11,SIV14,na.rm=TRUE))/length(na.omit(c(SIV5,((SIV6*SIV7)^(1/2)),((SIV6*SIV7)^(1/2)),SIV9,SIV9,SIV11,SIV14))))","CR":"(SIV2*SIV4*(SIV8^2)*(SIV10^2))^(1/6)","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CF*CC*(CWQ^2)*(CR^2))^(1/6)),(CF*CC*(CWQ^2)*(CR^2))^(1/6))"} {"model":"whitecrappieRiv","submodel":"Riverine","species":"Pomoxis annularis ","geography":"Throughout the native and introduced range in North America ","ecosystem":"Lake, Large River, Stream","documentation":"Edwards, EA, DA Krieger, G Gebhart, and OE Maughan. 1982. Habitat suitability index models: White crappie. U.S.D.I. Fish and Wildlife Service. FWS/OBS-82/10.7. 22 pp. ","note":"Salinity (SIV14) is an optional parameter. If not considered for the study area, enter NA for SIV14.","website":"https://ecolibrary.sec.usace.army.mil/resource/e0a7b7c4-b643-4cec-f943-6c3d7290fcd8","SIV1":"strm.gradient.SIV","SIV2":"pct.cov.pl.ad.fry.e.juv.SIV","SIV3":"pct.pl.overflow.pct.SIV","SIV5":"ph.range.SIV","SIV6":"wtr.temp.ad.juv.SIV","SIV7":"wtr.temp.fry.SIV","SIV8":"wtr.temp.e.SIV","SIV9":"DO.ad.fry.juv.SIV","SIV10":"DO.e.SIV","SIV11":"turb.SIV","SIV12":"curr.vel.pl.SIV","SIV13":"TDS.SIV","SIV14":"sal.growing.season.SIV","CCF":"(SIV2*SIV3)^(1/2)","CWQ":"ifelse(((SIV6*SIV7)^(1/2))<=0.4|SIV9<=0.4,min(((SIV6*SIV7)^(1/2)),SIV9,(sum(SIV5,(2*((SIV6*SIV7)^(1/2))),(2*SIV9),SIV11,SIV14,na.rm=TRUE))/length(na.omit(c(SIV5,((SIV6*SIV7)^(1/2)),((SIV6*SIV7)^(1/2)),SIV9,SIV9,SIV11,SIV14)))),(sum(SIV5,(2*((SIV6*SIV7)^(1/2))),(2*SIV9),SIV11,SIV14,na.rm=TRUE))/length(na.omit(c(SIV5,((SIV6*SIV7)^(1/2)),((SIV6*SIV7)^(1/2)),SIV9,SIV9,SIV11,SIV14))))","CR":"(SIV2*SIV3*(SIV8^2)*(SIV10^2))^(1/6)","COT":"(SIV1*SIV12)^(1/2)","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CCF*(CWQ^2)*CR*COT)^(1/5)),(CCF*(CWQ^2)*CR*COT)^(1/5))"} {"model":"whiteibisIsland","submodel":"Island habitat","species":"Eudocimus albus","geography":"All Gulf Coast States and Atlantic Coast States from North Carolina south ","ecosystem":"Coastal Wetland, Estuary","documentation":"Hingtgen, T.M., R. Mulholland, and R.W. Repenning. 1985. Habitat suitability index models: white ibis. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.93) 18 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/76344a0e-655b-429a-f4fc-b95f49a3dd88","SIV1":"dist.mainland.SIV","SIV2":"island.sa.SIV","SIV3":"veg.h.SIV","SIV4":"dist.human.disturbance.SIV","CC":"(SIV1*SIV2*SIV3*SIV4)^(1/4)","Eqtn":"CC"} {"model":"whiteibisWetland","submodel":"Wetland habitat","species":"Eudocimus albus","geography":"All Gulf Coast States and Atlantic Coast States from North Carolina south ","ecosystem":"Coastal Wetland, Estuary","documentation":"Hingtgen, T.M., R. Mulholland, and R.W. Repenning. 1985. Habitat suitability index models: white ibis. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.93) 18 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/76344a0e-655b-429a-f4fc-b95f49a3dd88","SIV3":"veg.h.SIV","SIV4":"dist.human.disturbance.SIV","SIV5":"flooded.area.SIV","CC":"(SIV3*SIV4*SIV5)^(1/3)","Eqtn":"CC"} {"model":"whiteshrimpNGulfofMex","submodel":"North Gulf of Mexico","species":"Farfantepenaeus aztecus","geography":"Estuaries and Bays of northern Gulf of Mexico, from Tampa Bay, Florida, to Corpus Christi Bay, Texas. ","ecosystem":"Estuary","documentation":"Turner, R.E., and M.S. Brody. Habitat suitability index models : northern Gulf of Mexico brown shrimp and white shrimp. U.S. Dept. of Int. Fish Wildl. Serv , FWS/OBS-82/l0.54. 24 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/d12b3429-dae4-4931-a384-caa039229431","SIV1":"estuary.veg.SIV","SIV2":"subs.comp.SIV","SIV3":"avg.sal.SIV","SIV4":"wtr.temp.SIV","CCF":"(((SIV1^2)*SIV2)^(1/3))","CWQ":"(SIV3*SIV4)^(1/2)","Eqtn":"min(CCF,CWQ)"} {"model":"whitesuckerLacSpwnInletStrm","submodel":"Lacustrine with spawning inlet stream","species":"Catostomus commersonii","geography":"Throughout North America where White Suckers occur ","ecosystem":"Lake, Large River, Stream","documentation":"Twomey, KA, KL Williamson, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: White sucker. U.S. Fish Wildl. Serv. FWS/OBS-82/10.64. 56 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2af3dd89-479f-4592-e30a-3fe74ece7711","SIV1":"turb.SIV","SIV2":"pH.SIV","SIV3":"DO.SIV","SIV4":"wtr.temp.ad.juv.SIV","SIV5":"wtr.temp.fry.SIV","SIV6":"wtr.temp.emb.SIV","SIV7":"rfl.vel.emb.SIV","SIV8":"rfl.d.emb.SIV","CWQ":"min(SIV1,SIV2,SIV3,SIV4)","CR":"(min(SIV1,SIV2,SIV3,SIV4)*min(SIV5,SIV6,SIV7,SIV8))^(1/2)","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CWQ*CR)^(1/2)),(CWQ*CR)^(1/2))"} {"model":"whitesuckerLacSpwnLake","submodel":"Lacustrine with suspected spawning within lake or shoreline","species":"Catostomus commersonii","geography":"Throughout North America where White Suckers occur ","ecosystem":"Lake, Large River, Stream","documentation":"Twomey, KA, KL Williamson, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: White sucker. U.S. Fish Wildl. Serv. FWS/OBS-82/10.64. 56 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2af3dd89-479f-4592-e30a-3fe74ece7711","SIV1":"turb.SIV","SIV2":"pH.SIV","SIV3":"DO.SIV","SIV4":"wtr.temp.ad.juv.SIV","SIV6":"wtr.temp.e.SIV","SIV11":"litt.spwn.subs.SIV","CWQ":"min(SIV1,SIV2,SIV3,SIV4)","CR":"min(SIV3, SIV6, SIV11)","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CWQ*CR)^(1/2)),(CWQ*CR)^(1/2))"} {"model":"whitesuckerLacSpwnLakeDrawMtoe2m","submodel":"Lacustrine with suspected spawning within lake or shoreline AND extreme drawdown of >=2m but <5m","species":"Catostomus commersonii","geography":"Throughout North America where White Suckers occur ","ecosystem":"Lake, Large River, Stream","documentation":"Twomey, KA, KL Williamson, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: White sucker. U.S. Fish Wildl. Serv. FWS/OBS-82/10.64. 56 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2af3dd89-479f-4592-e30a-3fe74ece7711","SIV1":"turb.SIV","SIV2":"pH.SIV","SIV3":"DO.SIV","SIV4":"wtr.temp.ad.juv.SIV","SIV6":"wtr.temp.emb.SIV","SIV11":"litt.spwn.subs.SIV","CWQ":"min(SIV1,SIV2,SIV3,SIV4)","CR":"max(0,(min(SIV3, SIV6, SIV11)-0.3))","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CWQ*CR)^(1/2)),(CWQ*CR)^(1/2))"} {"model":"whitesuckerLacSpwnLakeDrawMtoe5m","submodel":"Lacustrine with suspected spawning within lake or shoreline AND extreme drawdown of >=5m","species":"Catostomus commersonii","geography":"Throughout North America where White Suckers occur ","ecosystem":"Lake, Large River, Stream","documentation":"Twomey, KA, KL Williamson, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: White sucker. U.S. Fish Wildl. Serv. FWS/OBS-82/10.64. 56 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2af3dd89-479f-4592-e30a-3fe74ece7711","SIV1":"turb.SIV","SIV2":"pH.SIV","SIV3":"DO.SIV","SIV4":"wtr.temp.ad.juv.SIV","SIV6":"wtr.temp.emb.SIV","SIV11":"litt.spwn.subs.SIV","CWQ":"min(SIV1,SIV2,SIV3,SIV4)","CR":"max(0,(min(SIV3, SIV6, SIV11)-0.5))","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CWQ*CR)^(1/2)),(CWQ*CR)^(1/2))"} {"model":"whitesuckerRiv","submodel":"Riverine","species":"Catostomus commersonii","geography":"Throughout North America where White Suckers occur ","ecosystem":"Lake, Large River, Stream","documentation":"Twomey, KA, KL Williamson, and PC Nelson. 1984. Habitat suitability index models and instream flow suitability curves: White sucker. U.S. Fish Wildl. Serv. FWS/OBS-82/10.64. 56 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/2af3dd89-479f-4592-e30a-3fe74ece7711","SIV1":"turb.SIV","SIV2":"pH.SIV","SIV3":"DO.SIV","SIV4":"wtr.temp.ad.juv.SIV","SIV5":"wtr.temp.fry.SIV","SIV6":"wtr.temp.emb.SIV","SIV7":"rfl.vel.emb.SIV","SIV8":"rfl.d.emb.SIV","SIV9":"instream.overhanging.shoreline.cov.SIV","SIV10":"pl.ad.juv.fry.SIV","CC":"(SIV9+SIV10)/2","CWQ":"min(SIV1,SIV2,SIV3,SIV4)","CR":"min(SIV5,SIV6,SIV7,SIV8)","Eqtn":"ifelse(CWQ<=0.4|CR<=0.4,min(CWQ,CR,(CWQ*CR*CC)^(1/3)),(CWQ*CR*CC)^(1/3))"} {"model":"whitetaileddeerModelII","submodel":"Model II","species":"Odocoileus virginianus ","geography":"South Atlantic and Gulf of Mexico coastal plains ","ecosystem":"Fresh Wetland","documentation":"Short, H.L. 1986. Habitat suitability index models: White-tailed deer in the Gulf of Mexico and South Atlantic coastal plains. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.123). 36 pp.","note":"Area weighting is not considered in model. Only model II in package.","website":"https://ecolibrary.sec.usace.army.mil/resource/7bb8047c-1778-48f7-ab15-f8f134c9136e","SIV1":"quantity.suit.forage.SIV","SIV2":"dry.matter.digestability.SIV","Eqtn":"min(1,((SIV1*SIV2)^(1/2)))"} {"model":"williamsonssapsucker","species":"Sphyrapicus thyroideus","geography":"From southeastern British Columbia south in the mountains of Idaho, western Montana, Wyoming, Nevada, Utah, and Colorado to central Arizona and northern New Mexico ","documentation":"Sousa, P.J. 1983. Habitat suitability index models: Williamson's sapsucker. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.47. 13 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/0616f085-4183-4da1-992b-935413d68d7d","SIV1":"tree.can.closure.SIV","SIV2":"aspen.domin.SIV","SIV3":"overstory.aspen.trees.dbh.SIV","SIV4":"suit.snags.SIV","CCR":"((((min(1,((SIV2*SIV3)+SIV4)))^2)*SIV1)^(1/3))","Eqtn":"CCR"} {"model":"woodduckBreeding","submodel":"Breeding","species":"Aix sponsa ","geography":"Eastern Half of the United States and the West Coast ","ecosystem":"Fresh Wetland, Large River, Stream","documentation":"Sousa, P.J., and A.H. Farmer. 1983. Habitat suitability index models: Wood duck. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.43. 27 pp. ","note":"SIV1 and SIV2 in the manual are user inputs collected from field data used to determine SIV3 prior to HSI calculations. Therefore, we elminated SIV1 and SIV2, assuming users will calculate SIV3 prior to HSI. The order of SIVs changes and the manual's SIV3 becomes SIV1, SIV4 becomes SIV2, SIV5 becomes SIV3 and so forth. To calculate density of potential sites, follow instructions in original HSI manual. Area weighting for cover types was also eliminated in this model.","website":"https://ecolibrary.sec.usace.army.mil/resource/38691c07-d732-49c2-def9-f6af42e232b7","SIV1":"density.potential.nest.sites.num.SIV","SIV2":"potential.brood.cov.SIV","SIV4":"dist.cov.types.SIV","SIV5":"nesting.hab.SIV","SIV6":"brooding.hab.SIV","Eqtn":"min(SIV1,SIV2, SIV4, SIV5, SIV6)"} {"model":"woodduckWinter","submodel":"Winter","species":"Aix sponsa ","geography":"Eastern Half of the United States and the West Coast ","ecosystem":"Fresh Wetland, Large River, Stream","documentation":"Sousa, P.J., and A.H. Farmer. 1983. Habitat suitability index models: Wood duck. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.43. 27 pp. ","note":"SIV1 and SIV2 in the manual are user inputs collected from field data used to determine SIV3 prior to HSI calculations. Therefore, we elminated SIV1 and SIV2, assuming users will calculate SIV3 prior to HSI. The order of SIVs changes and the manual's SIV3 becomes SIV1, SIV4 becomes SIV2, SIV5 becomes SIV3 and so forth. To calculate density of potential sites, follow instructions in original HSI manual. Area weighting for cover types was also eliminated in this model.","website":"https://ecolibrary.sec.usace.army.mil/resource/38691c07-d732-49c2-def9-f6af42e232b7","SIV3":"potential.winter.cov.SIV","Eqtn":"SIV3"} {"model":"woodduckYear","submodel":"Year round","species":"Aix sponsa ","geography":"Eastern Half of the United States and the West Coast ","ecosystem":"Fresh Wetland, Large River, Stream","documentation":"Sousa, P.J., and A.H. Farmer. 1983. Habitat suitability index models: Wood duck. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.43. 27 pp. ","note":"SIV1 and SIV2 in the manual are user inputs collected from field data used to determine SIV3 prior to HSI calculations. Therefore, we elminated SIV1 and SIV2, assuming users will calculate SIV3 prior to HSI. The order of SIVs changes and the manual's SIV3 becomes SIV1, SIV4 becomes SIV2, SIV5 becomes SIV3 and so forth. To calculate density of potential sites, follow instructions in original HSI manual. Area weighting for cover types was also eliminated in this model.","website":"https://ecolibrary.sec.usace.army.mil/resource/38691c07-d732-49c2-def9-f6af42e232b7","SIV1":"density.potential.nest.sites.num.SIV","SIV2":"potential.brood.cov.SIV","SIV3":"potential.winter.cov.SIV","SIV4":"dist.cov.types.SIV","SIV5":"nesting.hab.SIV","SIV6":"brooding.hab.SIV","Eqtn":"max(SIV1, SIV2, SIV3, SIV4, SIV5, SIV6)"} {"model":"yellowheadedblackbird","species":"Xanthocephalus xanthocephalus","geography":"Thoughout the arid and semiarid portions of western North America ","ecosystem":"Fresh Wetland ","documentation":"Schroeder, R.L. 1982. Habitat suitability index models: yellow-headed blackbird. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.26. 12 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/4dc35649-853c-4beb-85ab-c9530523f2cd","SIV1":"subm.veg.SIV","SIV2":"edge.index.SIV","SIV3":"robust.veg.SIV","SIV4":"wtr.d.SIV","CF":"(SIV1*SIV2)^(1/2)","CR":"(SIV3*SIV4)^(1/2)","Eqtn":"min(CF,CR)"} {"model":"yellowperchLac","submodel":"Lacustrine model","species":"Perca flavescens ","geography":"Throughout the contiguous 48 states","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Krieger, DA, JW Terrell, and PC Nelson. 1983. Habitat suitability information: Yellow perch. U.S. Fish Wildl. Serv. FWS/OBS-82/10.55. 37 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/de180d09-fb2f-4101-d617-55158ff4d88d","SIV1":"litt.area.pct.SIV","SIV3":"cover.SIV","SIV4":"wtr.temp.summer.SIV","SIV5":"wtr.temp.emb.SIV","SIV6":"DO.SIV","SIV7":"degree.days.SIV","SIV8":"pH.SIV","SIV9":"trophic.status.SIV","CCF":"min(SIV1, SIV3)","CWQ":"min(SIV4,SIV6,SIV8)","CR":"min(SIV3,SIV5,SIV7)","COT":"SIV9","Eqtn":"min(CCF,CWQ,CR,COT)"} {"model":"yellowperchRiv","submodel":"Riverine model","species":"Perca flavescens ","geography":"Throughout the 48 contiguous United States ","ecosystem":"Fresh Wetland, Lake, Large River, Stream","documentation":"Krieger, DA, JW Terrell, and PC Nelson. 1983. Habitat suitability information: Yellow perch. U.S. Fish Wildl. Serv. FWS/OBS-82/10.55. 37 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/de180d09-fb2f-4101-d617-55158ff4d88d","SIV2":"summer.flow.SIV","SIV3":"cover.SIV","SIV4":"wtr.temp.summer.SIV","SIV5":"wtr.temp.emb.SIV","SIV6":"DO.SIV","SIV7":"degree.days.SIV","SIV8":"pH.SIV","CCF":"min(SIV2,SIV3)","CWQ":"min(SIV4,SIV6,SIV8)","CR":"min(SIV3, SIV5, SIV7)","Eqtn":"min(CCF,CWQ,CR)"} {"model":"yellowwarbler","species":"Setophaga petechia","geography":"Throughout the entire United States","ecosystem":"Fresh Wetland ","documentation":"Schroeder, R.L. 1982. Habitat suitability index models: Yellow warbler. U.S. Dept. Int., Fish Wildl. Serv. FWS/OBS-82/10.27. 7 pp. ","website":"https://ecolibrary.sec.usace.army.mil/resource/62084f7c-9785-4cc2-f234-7c2937b5e78c","SIV1":"decid.crown.cov.SIV","SIV2":"decid.can.h.SIV","SIV3":"hypdrophytic.can.shrubs.SIV","CR":"(SIV1*SIV2*SIV3)^(1/2)","Eqtn":"CR"}