Salmon Method Functional Equations.doc

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1、APPENDIXASalmonCreditEquationsSalmonCreditEquationsMapUnitFunctionalPerformance(MUfp)EquationWhere:MUfp=OverallfunctionalperformanceofthemapunitAF=AnadromousfishbioticsupportscoreforthemapunitII=Insect/InvertebratebioticsupportscoreforthemapunitTR=Temperatureregulationfunctionsco

2、reforthemapunitSS=SpatialseparationfunctionscoreforthemapunitVV=VariablevelocityfunctionscoreforthemapunitCD=ChanneldiversityfunctionscoreforthemapunitnF=NumberoffunctionsperformedbythemapunitProjectSiteFunctionalPerformance(Sfp)EquationWhere:Sfp=FunctionalperformanceforthesiteåM

3、Ufp=SumofthefunctionalperformancescoreforeachmapunitnMU=TotalnumberofmapunitswithinthesiteSalmonCredit(Sc)EquationWhere:Sc=SalmoncreditscorefortheprojectSfp=FunctionalperformancescoreforthesiteLnb=Totallengthofstreamsegmentswithinthesitethatarenotaffectedbyafishpassagebarrier/con

4、straintLpb=Totallengthofstreamsegmentswithinthesitethatareaboveapartialfishpassagebarrier/constraint25SalmonCreditCalculationsDraft03/16/09AnadromousFishBioticSupportAnadromousFishBioticSupport(AF)EquationWhere:C/R=Cover/refugiasuper-indicatorscoreF=Foragingsuper-indicatorscoreN/

5、S=Nesting/spawningsuper-indicatorscoreC=Connectivitysuper-indicatorscoreCover/RefugiaEquations(C/R):ModifiersoHabitattypemodifier(Hmod)·Canal,culvert,ditch,fishpassage=0.05·Intermittent=0.5·Allotherhabitattypes=1oNon-nativevegetationmodifier(NNveg)·Geomeanofnon-nativeemergentcove

6、r,non-nativesubmergentcover,andnon-nativefloatingmatcoverusingthefollowingvaluesforeachstratumoLayernotpresent=1oAllnative=1o<10%=1o10-30%=0.9o30-60%=0.8o60-90%=0.7o>90%=0.6CalculatedIndicatorsoLargewoodvolumecalculation(LWV)·Thelargewoodvolumeperformanceindicatorisbasedonthescor

7、esinthelookuptableformedianvolumesbydiameterandlengthclasses.Thevolumes(V)inthetablewerecalculatedusingtheequationforthevolumeofacylinder,withthemidpointofthediameterdividedby2usedfortheradius(r)andthemidpointofthelengthclassesastheheight(h).Thisvolume(Vlu)ismultipliedbythenumber

8、ofpiecesforeachspecificcategoryandmodifi