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or an increased sagegrouse brood population over [ha[ which the area supported <br />• in an overgrazed condition <br />4. Since 1976, numerous areas of thick, decadent stands of the mountain shrub <br />vegetation within and adjacent to the lease area have been cleared of brush as part <br />of the big game mitigation program. As a result of the brushing, the production <br />of succulent herbaceous vegetation has increased, offering more forage for the <br />sagegrouse brood population. <br />The above changes in Management practices of the rangeland around the <br />Colowyo mining area contribute to the increased capability of supporting any <br />displaced sagegrouse nesting and brooding population. No additional treatments <br />to mitigate for a displaced sagegrouse population in effect, nor would other <br />methods likely be as effective. <br />II. Post-mining Mitigation for sagegrouse <br />As stated in the Permit Application, sagegrouse use of the area to be mined is for <br />nesting and brood rearing purposes. <br />According to information contained within the Bureau of Land Management <br />Technical Note #330, "abitat Requirements and Management Recommendations for <br />Sage Grouse,"the most important factor for nesting habitat in the sagebrush <br />vegetation type is sagebrush. Within this vegetative community, the majority of <br />sagegrouse nests occur under sagebrush. [t is assumed that within the mountain shrub <br />vegetative community, sagegrouse nest would be found under the mountain shrub <br />components as well as sagebrush. <br /> <br />2.05-70 <br />