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Revised April, 1984 <br />in Table 12, Big Sagebrush Vegetation Type. <br />Alkali Sagebrush vegetation Type <br />The Alkali Sagebrush Vegetation Type can be found on a variety <br />of elopes and aspects within the proposed permit area. The type's <br />location typically corresponds to the soil characteristics. <br />Soils on the area can range from a sandy clay loam to a silty <br />clay. The A horizon can range from 1 to 8 inches in depth. The <br />soils associated with Alkali Sagebrush vegetation are characterized <br />by a strongly structured and fine teatured substratum that restricts <br />eater permeability, plant moisture availability and plant growth. <br />• The alkali sagebrush plant community is dominated by a <br />sagebrush overstory that constitutes 62 percent of the plant cover. <br />Prairie Junegrass and Letterman's needlegrasa are the principal <br />understory species, collectively comprising 16.5 percent of the <br />plant cover. The total plant cover on the area vas measured to be <br />22.4 percent and the annual herbaceous production vas measured at <br />9.5 g/'ya2. A summary of measurements taken on the type is presented <br />in Table 13, Alkali Sagebrush Vegetation Type. <br />Summer <br />Historically, the proposed permit area has been used for <br />livestock production and wildlife utilization. <br />• The area was previously disturbed under Colorado liining Permit <br />2.04-78a <br />