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pursuant to Rule 2.07.6(2)(n), that the activities will not affect the continued <br />existence of endangered or threatened species or result in the destruction or adverse <br />modification of their critical habitat. <br />The Division and National King Coal have determined the species diversity criteria <br />for cover, production and shrub density, and modifies the criteria for species <br />diversity as addressed below: <br />1. over -the standard for herbaceous cover is 30 percent and will be measured <br />using apoint-intercept method. <br />2. Production -The standard for herbaceous productivity is 500 pounds per acre <br />of dry biomass measured by the harvest method using a minimum 1/2 MZ <br />quadrate. <br />3. Shrub Density -The standard for woody plant density is a minimum 600 stems <br />per acre. <br />4. Soecies Diversity -The standard for species diversity using the species <br />composition approach is a follows. <br />Species Requirements* <br />Grasses <br />Cool Season 2 <br />Warm Season 2 <br />Forbs 2 <br />Shrubs 2 <br />*No single species shall be represented by more than 40 percent relative cover <br />or less than 3 percent relative cover for grass species; or less than 1 percent <br />relative cover for forb and shrub species. <br />X. Post-mining Land Use <br />Information pertaining to land use is presented in Section 2.04.3 of the permit <br />application. Information pertaining to the proposed post-mining land use is found in <br />Section 2.05.5 of the permit application. <br />The historical usage of the Hay Gulch area is varied. The bottom land areas have <br />typically been used to grow hay crops whereas the native upland regions have been used <br />for cattle grazing and wildlife habitat. Numerous abandoned coal mines dot the gulch <br />uplands where several coals seams outcropped. <br />National King Coal proposes to reclaim the disturbed acreage, excluding some facilities <br />and the combination haul/access road, to the primary use of rangeland with a secondary <br />20 <br />