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<br />I <br /> <br /> SUMMARY OF MOOIFICATlONS OF THE ELK MODEL <br />I <br /> Table 8-6. Summary of changes to elk model associated with wetland Impacts for the Muddy Creek <br /> Mitigation Plan. <br /> Mttlgatlon Area <br />, Prolect Area ExistlnQ Post-MttlQatJon <br /> Acres HSI HUs Acres HSI HUs Acres HSI HUs <br /> SDEIS' 631 .39 324 515 .15 T7 515 .8 399 <br /> Draft <br /> Mitigation 695 .04 28 345 .18 62 345 .39 135 <br /> Plarr <br /> Final <br /> Mitigation 866 .222 193 364 .30 109 364 .87 317 <br /> Plan' <br /> <br />1. HSr values are based on the following model: <br /> <br />(FI.+VCI.+ Tel.) = HSI for vegetation type a <br />3 <br /> <br />where: FI (Food Index) = Y.I+V~+V~ <br />3 <br /> <br />Vt = 51 for % herbaceous cover <br />V2= 51 for % herbaceous cover that <br />is grass <br />V3= 51 for % canopy cover of shrubs <br />less than 200 em in height <br /> <br />VCI (Vegetative ~ (V,FJJ'" <br />cover index) <br /> <br />V5= Horizontal hiding cover <br />V6= Cover type height <br /> <br />TCI (Topographic ~ (V,xVJ/2 <br />cover index) <br /> <br />V7= Topographic diversity <br />VB= Aspect index <br /> <br />Total elk HSl for study area= summation of the products of the HSI tor a <br />vegetation type times the % of the total area occupied by that type. <br /> <br />- Vegetation types included wet subirrigated meadow, willow riparian and sagebrush. <br /> <br />2. HSJ values are based on the following model: <br /> <br />rv,.)N~If;;xV~'n = H51 for vegetation type a <br />V1 = 51 for % herbaceous cover <br />V2= $1 for % herbaceous cover that <br />is grass <br />V3= 51 for % canopy cover of shrubs less than 200 cm in height <br /> <br />6.10 <br />