2009-04-01_REPORT - C1980005 (3)

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r1 ?J • 0 Table 9. Cover Data - Sagebrush Reference Area, Seneca II Mine, SCC, Routt County, CO - 2008 RELATIVE PLANT SPECIES AVERAGE VEGETATION COVER FREQUENCY COVER RELATIVE AVERAGE VEGETATION COVER-ALL COVER-ALL Page 2 of 4 Percent Foliar Cover* ---Sample Number--- 1 2 3 NATIVE PERENNIAL GRASSES (cool) Achnatherum lettermanii 0.00 13.33 0.00 0.00 0.00 Achnatherum nelsonii 0.00 6.67 0.00 0.00 0.00 Bromelica bulbosa 2.27 93.33 3.38 2.87 3.76 4 2 3 Ceratochloa polyantha 0.27 33.33 0.40 0.27 0.35 1 Elymus lanceolatus fm. albicans 0.33 33.33 0.50 0.33 0.44 P 1 Elymus trachycaulus 2.60 93.33 3.88 3.20 4.20 2 2(3) P Festuca saximontana 11.67 100.00 17.40 13.80 18.11 18(4) 17(2) 3 Koeleria macrantha 0.00 6.67 0.00 0.00 0.00 Pascopyrum smithii 0.13 26.67 0.20 0.13 0.17 P 1 Poa agassizensis 2.07 100.00 3.08 2.80 3.67 (3) 4(2) P Poaampla 0.20 40.00 0.30 0.47 0.61 (1) P TOTAL NATIVE PERENNIAL GRASSES (c) 19.5 100.0 29.1 23.9 31.3 24(7) 25(8) 9 INTRODUCED PERENNIAL GRASSES (cool) Bromopsisinermis 1.07 60.00 1.59 1.33 1.75 4 4(1) 3 Phleum pratense 0.00 13.33 0.00 0.00 0.00 P TOTAL INTRO. PERENNIAL GRASSES (c) 1.1 60.0 1.6 1.3 1.7 4 4(1) 3 NATIVE SHRUBS Amelanchier alnifolia 0.73 66.67 1.09 0.73 0.96 P 1 Artemisia campestris 0.00 6.67 0.00 0.00 0.00 Chrysothamnus viscidiflorus 1.20 100.00 1.79 1.20 1.57 3 P P Seriphidium arbusculum ssp. longilobum 0.13 13.33 0.20 0.13 0.17 1 Seriphidium canum 0.00 6.67 0.00 0.00 0.00 Seriphidium tridentatum 12.20 100.00 18.19 12.40 16.27 15(1) 17 10 Symphoricarpos rotundifolius 12.20 100.00 18.19 13.07 17.15 7(1) 7(2) 11 TOTAL NATIVE SHRUBS 26.5 100.0 39.5 27.5 36.1 26(2) 24(2) 22 Standing dead 3.40 100.00 3.40 2 1 4 Litter 12.13 100.00 12.13 16 10 16 Bare soil 17.40 100.00 17.40 12 19 21 TOTALS 100.0 109.1 100 100 100 TOTAL VEGETATION COVER 67.1 (s=6.1) 100.0 76.2 (s=10.2) 100.0 70(12) 70(14) 59 GROUND COVER (Litter+Rock+Veg+St.Dead) 82.6 91.7 88(12) 81(14) 79 SPECIES DENSITY (# of species/100 sq.m.) 25 29 31 (AVERAGE= 28.2 Std.Dev.= 3.4) *P=Present within 1 meter on either side of the cover transect, but not quantitatively encountered. ()=Data in parentheses represent other hits that are used in conjunction with first hits for cover all statistics.