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I <br />• <br />• <br />Table 20. Cover Data • Sagebrush Reference Area, Seneca II Mine, SCC, Routt Co., CO - 2004 <br />PLANT SPECIES <br /> RELATIVE <br />AVERAGE VEGETATION <br />COVER FREQUENCY COVER <br /> <br />Page 2 of 4 <br />RELATIVE <br />AVERAGE VEGETATION <br />COVER-ALL COVER-ALL <br />(%) (%) <br />INTRODUCED PERENNIAL GRASSES (cool) <br />Bromopsis inermis 0.10 50.00 0.16 0.20 0.28 <br />Phleum pratense 0.00 20.00 0.00 0.00 0.00 <br />Thinop rum intermedium 0.10 10.00 0.76 0.10 0.14 <br />TOTAL INTRO. PERENNIAL GRASSES (c) 0.2 60.0 0.3 0.3 0.4 <br />NATIVE SHRUBS <br />Amelanchier alnifolia 0.40 60.00 0.64 0.40 0.55 <br />Chrysothamnus viscidi8orus 1.30 90.00 2.08 1.40 1.94 <br />Seriphidium arbusculum ssp. longilobum 0.3D 30.00 0.48 0.30 0.42 <br />Seriphidium canum 0.00 20.00 0.00 0.00 0.00 <br />Seriphidium tridentatum 73.90 100.00 22.24 14.00 19.39 <br />S m horica os rotundifolius 13.50 100.00 21.60 14.40 19.94 <br />TOTAL NATIVE SHRUBS 29.4 100.0 47.0 30.5 42.2 <br />Standing dead 4.60 100.00 ~ 4.80 <br />Litter 26.20 100.00 - 26.20 <br />Bare soil ~ 6.50 100.00 6.50 <br />TOTALS 100.0 109.7 <br />TOTAL VEGETATION COVER 62.5 (s=5.8) 100.0 72.2 (s=7.1) 100.0 <br />GROUND COVER (Litter+Rock+Veg+St.Dead) 93.5 103.2 <br />SPECIES DENSITY (# of species/100 sq.m.) <br />(AVERAGE=26.8 Std.Dev= 2.7 <br />"P= Present within 1 m. of either side of the cover transect, but not quantitatively encountered. <br />