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<br />Vegetation - Rules 2.04.10, 2.05.4(2)(e), and 4.15 <br /> <br />1. CYCC has identified native pastureland as the dominant vegetation <br />type within the permit area. This type is characterized by sagebrush, <br />snowberry, and native wheatgrasses. The proposed seed mix for this type <br />is dominated by introduced species. Depending on the response to the <br />land use classification regarding management practices, this seed mix may <br />not be adequate. A seed mix of predominantly native species may be more <br />appropriate. <br />RSSPONSS: <br />The postmine landuae classification for 14ine #3 pasture areas <br />is pastureland. The proposed seed miz is adequate for meeting the <br />postmine landuae performance standards. <br />2. A variance from the mulching requirement has been requested by CYCC. <br />This request is based on several studies. Basically these studies show <br />that annual grains or straw mulch intercept moisture making it <br />unavailable for plant growth, the use of an annual grain mulch out- <br />competes the desirable perennial species which volunteer from respread <br />topsoil and mulches may inhibit species diversity. <br />CYCC also states that the volunteer weed biomass will stabilize the <br />soil. However, the concerns regarding mulches can also be applied to <br />weeds. Annual weeds and grasses frequently present severe competition <br />with planted grass seedlings and cause high mortality that may result in <br />seeding failures (Cook, 1974). Weeds also can present a reclamation <br />-24- <br />