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~_~ Table 1. Cover Data -Bond Release Block 2, Seneca II Mine, SCC, Routt Co., CO - 2006 PLANT SPECIES RELATIVE AVERAGE VEGETATION COVER FREQUENCY COVER Page 2 of 6 RELATIVE AVERAGE VEGETATION COVER-ALL COVER-ALL (~) (%) NATIVE PERENNIAL GRASSES (cool) Bromelica bulbosa 0.00 5.00 0.00 0.00 0.00 Carex 9eyed 0.00 5.00 0.00 0.00 0.00 Ceretochloa wrinata 0.15 15.00 0.30 0.15 0.29 Eymus trachycaulus 0.10 5.00 0.20 D.10 0.20 Festuca brachyphylla ssp. coloratlensis 0.45 50.00 0.91 0.50 0.98 Festuca ovina var. glauca - 0.00 15.00 0.00 0.00 0.00 Leymus cinereus 1.25 30.00 2.52 1.25 2.45 Poa agassizensis 0.00 10.00 0.00 0.00 0.00 Poa compressa 0.00 20.00 0.00 0.00 0.00 Poa nemorelis ssp. interior 0.00 5.00 0.00 0.00 0.00 TOTAL NATIVE PERENNIAL GRASSES (c) 2.0 70.0 3.9 2.0 3.9 INTRODUCED PERENNIAL GRASSES (cool) Agropyran desedorum 0.05 5.00 0.10 0.05 - 0.10 Bromopsis inermis 13.10 100.00 26.36 13.35 26.13 Psathyrostachysjuncea 0.00 15.00 0.00 0.00 0.00 Thinopyrom intennedium 15.10 100.00 30.38 15.50 30.33 TOTAL INTRO. PERENNIAL GRASSES (c) 28.3 100.0 56.8 28.9 56.6 NATIVE SHRUBS Amelanchier alnifolia 0.00 5.00 0.00 ~ 0.00 0.00 Chrysolhamnus nauseosus 0.00 5.00 0.00 0.00 0.00 Chrysoihamnus viscidi0orus 0.00 5.00 0.00 0.00 0.00 Seriphidium iridentatum 2.95 75.00 5.94 3.10 6.07 Symphodcarpos ro[undifolius 0.55 65.00 1.11 0.60 1.17 TOTAL NATIVE SHRUBS 3.5 80.0 7.0 3.7 7.2 Standing deatl 5.75 100.00 5.75 Litter 27.60 100.00 27.60 Bare soil 16.55 100.00 16.55 Rock 0.40 30.00 0.40 TOTAL VEGETATION COVER 49.7 (s=9.6) 100.0 51.1 (5=10.1) 100.0 GROUND COVER (Litter+Rock+Veg+St.Dead) 83.5 84.8 SPECIES DENSITY (# of species/100 sq.m.) (AVERAGE= 18.5 Std.Dev.= 4.9) 'P=Present within 1 m. of either side of the cover transect, but not quantitatively encountered.