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J <br />Table 13. Cover Data - Seneca II Mine Sagebrush Reference Area, <br />Sage Creek Mine Baseline, Sage Creek Coal Company, Routt County, CO - 2008 <br />RELATIVE <br />PLANT SPECIES AVERAGE VEGETATION <br />COVER FREQUENCY COVER <br />N M M) <br />Page 2 of 4 <br />RELATIVE Percent Foliar Cover* <br />AVERAGE VEGETATION <br />COVER -ALL COVER -ALL - -- Sample Number - -- <br />(%) M 1 2 3 <br />NATIVE PERENNIAL GRASSES (cool) <br />Achnatherum lettermanii <br />0.00 <br />13.33 <br />0.00 <br />0.00 <br />0.00 <br />Achnatherum nelsonii <br />0.00 <br />6.67 <br />0.00 <br />0.00 <br />0.00 <br />Bromelica bulbosa <br />2.27 <br />93.33 <br />3.38 <br />2.87 <br />3.76 <br />4 <br />2 <br />3 <br />Ceratochloa polyantha <br />0.27 <br />33.33 <br />0.40 <br />0.27 <br />0.35 <br />1 <br />Elymus lanceolatus fm. albicans <br />0.33 <br />33.33 <br />0.50 <br />0.33 <br />0.44 <br />P <br />1 <br />Elymus trachycaulus <br />2.60 <br />93.33 <br />3.88 <br />3.20 <br />4.20 <br />2 <br />2(3) <br />P <br />Festuca saximontana <br />11.67 <br />100.00 <br />17.40 <br />13.80 <br />18.11 <br />18(4) <br />17(2) <br />3 <br />Koeleria macrantha <br />0.00 <br />6.67 <br />0.00 <br />0.00 <br />0.00 <br />Pascopyrum smithii <br />0.13 <br />26.67 <br />0.20 <br />0.13 <br />0.17 <br />P <br />1 <br />Poa agassizensis <br />2.07 <br />100.00 <br />3.08 <br />2.80 <br />3.67 <br />(3) <br />4(2) <br />P <br />Poa ampla <br />0.20 <br />40.00 <br />0.30 <br />0.47 <br />0.61 <br />(1) <br />P <br />TOTAL NATIVE PERENNIAL GRASSES (c) <br />19.5 <br />100.0 <br />29.1 <br />23.9 <br />31.3 <br />24(7) <br />25(8) <br />9 <br />INTRODUCED PERENNIAL GRASSES (cool) <br />Bromopsis inermis <br />1.07 <br />60.00 <br />1.59 <br />1.33 <br />1.75 <br />4 <br />4(1) <br />3 <br />Phleum pratense <br />0.00 <br />13.33 <br />0.00 <br />0.00 <br />0.00 <br />P <br />TOTAL INTRO. PERENNIAL GRASSES (c) <br />1.1 <br />60.0 <br />1.6 <br />1.3 <br />1.7 <br />4 <br />4(1) <br />3 <br />NATIVE SHRUBS <br />Amelanchier alnifolia <br />0.73 <br />66.67 <br />1.09 <br />0.73 <br />0.96 <br />P <br />1 <br />Artemisia campestris <br />0.00 <br />6.67 <br />0.00 <br />0.00 <br />0.00 <br />Chrysothamnus viscidiflorus <br />1.20 <br />100.00 <br />1.79 <br />1.20 <br />1.57 <br />3 <br />P <br />P <br />Seriphidium arbusculum ssp. longilobum <br />0.13 <br />13.33 <br />0.20 <br />0.13 <br />0.17 <br />1 <br />Seriphidium canum <br />0.00 <br />6.67 <br />0.00 <br />0.00 <br />0.00 <br />Seriphidium tridentatum <br />12.20 <br />100.00 <br />18.19 <br />12.40 <br />16.27 <br />15(1) <br />17 <br />10 <br />Symphoricarpos rotundifolius <br />12.20 <br />100.00 <br />18.19 <br />13.07 <br />17.15 <br />7(1) <br />7(2) <br />11 <br />TOTAL NATIVE SHRUBS <br />26.5 <br />100.0 <br />39.5 <br />27.5 <br />36.1 <br />26(2) <br />24(2) <br />22 <br />Standing dead <br />3.40 <br />100.00 <br />3.40 <br />2 <br />1 <br />4 <br />Litter <br />12.13 <br />100.00 <br />12.13 <br />16 <br />10 <br />16 <br />Bare soil <br />17.40 <br />100.00 <br />17.40 <br />12 <br />19 <br />21 <br />TOTALS <br />100.0 <br />109.1 <br />100 <br />100 <br />100 <br />TOTAL VEGETATION COVER <br />67.1 (s =6.1) <br />100.0 <br />76.2 ( =10.2) <br />100.0 <br />70(12) <br />70(14) <br />59 <br />GROUND COVER (Litter +Rock +Veg +St.Dead) <br />82.6 <br />91.7 <br />88(12) <br />81(14) <br />79 <br />SPECIES DENSITY (# of species /100 sq.m.) <br />25 <br />29 <br />31 <br />(AVERAGE= 28.2 Std.Dev.= 3.4) <br />*P= Present within 1 m. on either side of cover transect, but not quantitatively encountered. <br />() =Data in parens. = 2nd hits. A 1 st hit is top -most layer of vegetation, below 1 st hit interceptions may exist other interceptions - these are 2nd <br />hits. <br />