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3-18 <br />• <br />• <br />3.5.9 Evaluation Techniques for Revegetation <br />Success of revegetation will be determined by comparison of reclaimed areas to <br />reference areas using the same techniques used in the baseline vegetation inventory <br />(WRDC 1980b). Parameters compared will include vegetation canopy cover, annual <br />production, and woody plant densely. For demonstrations of revegetation success, the <br />parameters of vegetation cover, herbaceous production and woody plant density would <br />be sampled to statistical adequacy and compared to the appropriate reference areas <br />(cover and production) and standards (woody plant density). Diversity comparisons will <br />be made based on relative cover values obtained from the statistically adequate ~ t <br />SG, FJ (ZCC (ry~t~{-c4 r 7 [., . (~ ~ { d ~c~SfVc{-~'A'+a ''~ ~o.-•~..,,a4 ~ r c w. ~,.. ~-,.(~ ~ "' D.vxb e-„! r-~+u.. <br />sampling.~Statistical tests of success will also follow the procedures recommended in ~,:..~~f:Kt <br />the bond release guideline. <br />The folliwing success standards will be used to evaluate revegetation. <br />Dens- Greasewood Shrubland 500 stems per acre <br />Shadscale Shrubland 500 stems per acre <br />Big Sagebrush Shrubland 500 stems per acre <br />Juniper Woodland 1,500stems per acre <br />• <br />Diversi A minimum of three perennial species shall each provide a minimum of 3 % <br />relative cover. At least two of these species must be cool season perennial grasses. <br />No individual species shall represent more than 60 % relative cover. <br />Mu <br />Volume I <br />12/18/95 <br />