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Table 1 Colo o - Vege tation Cover - 2007 (Page 2 of 2) <br />ueXage Go d Coe�[�aCo ��e� <br />Area -> <br />Phase II <br />Mountain <br />Sagebrush Weighted <br />Shrub R.A. <br />R.A. Reference <br />Wei ht -> <br />100% <br />55% <br />45% Values <br />Forbs Continued <br />N P Lupins caudatus Tailcup Lupine <br />- <br />0.70 <br />0.25 <br />0.50 <br />N P Lupinussp. Lupine <br />- <br />- <br />0.05 <br />0.02 <br />N B Machaeranthera canescens Hoary Aster <br />- <br />0.05 <br />- <br />0.03 <br />I P Medicago sativa Alfalfa <br />1.09 <br />- <br />- <br />N P Penstemon Palmeri Palmer Penstemon <br />0.06 <br />- <br />- <br />I A Ranunculus testiculatus Nut Buttercup <br />0.06 <br />- <br />- <br />- <br />N P Senecio mu/tilobatus Lobeleaf Groundsel <br />- <br />0.10 <br />- <br />0.06 <br />I A Sisymbrium a/tissimum Tumble Mustard <br />0.03 <br />- <br />- <br />- <br />N P S haeralcea coccinea Scarlet Globemallow <br />- <br />- <br />0.05 <br />0.02 <br />N P Stenotus armenoides Thrifty Goldenweed <br />- <br />2.10 <br />0.95 <br />I A Thlaspi arvense Field Pennycress <br />0.03 <br />0.05 <br />0.02 <br />I B Tra o o on dubius False Salsi <br />0.09 <br />- <br />0.10 <br />0.05 <br />Unidentifiable <br />- <br />0.05 <br />0.02 <br />Shrubs, Cacti & Trees <br />N P Amelachierutahensis Utah Serviceberry <br />- <br />0.80 <br />1.15 <br />0.96 <br />N P Artemisia tridentata wyo. Wyo. Big Sagebrush <br />1.00 <br />11.30 <br />10.00 <br />10.72 <br />N P A triplex canescens Four-wing Saltbush <br />0.12 <br />- <br />- <br />- <br />N P Ceratoides Janata Winterfat <br />- <br />- <br />0.20 <br />0.09 <br />N P Chrysothamnusnauseosus Rubber Rabbitbrush <br />- <br />0.30 <br />- <br />0.17 <br />N P 04ysothamnus u1scidit7orus Low Rabbitbrush <br />- <br />0.30 <br />0.40 <br />0.35 <br />N P Gutierrezia sarothrae Snakeweed <br />- <br />- <br />1.05 <br />0.47 <br />N P Mahonia repens Creeping Barberry <br />- <br />0.05 <br />- <br />0.03 <br />N P Purshia tridentata Antelope Bitterbrush <br />0.03 <br />- <br />- <br />N P Quercusgambellii Gambel0ak <br />0.15 <br />2.75 <br />- <br />1.51 <br />N P S m honcar os oreo hilus Mountain Snowberry <br />0.03 <br />4.40 <br />2.20 <br />3.41 <br />R, <br />" <br />Total Plant Cover <br />66.03 <br />56.35 <br />57.25 <br />56.76 <br />Rock <br />0.58 <br />0.65 <br />2.95 <br />1.69 <br />Litter <br />20.48 <br />33.60 <br />29.05 <br />31.55 <br />Bare round <br />12.91 <br />9.40 <br />10.75 <br />10.01 <br />Total Perennial Cover <br />56.33 <br />51.35 <br />41.95 <br />47.12 <br />Perennial Grasses <br />48.48 <br />29.30 <br />22.30 <br />26.15 <br />Annual Grasses <br />8.97 <br />4.55 <br />12.75 <br />8.24 <br />Perennial Forbs <br />6.51 <br />2.15 <br />4.65 <br />3.28 <br />Annual & Biennial Forbs <br />0.67 <br />0.45 <br />2.50 <br />1.37 <br />Noxious / Aggressive Weeds <br />0.06 <br />- <br />- <br />- <br />Shrubs, Cacti & Treesl <br />1.33 <br />19.90 <br />15.00 <br />17.70 <br />Sa7n Ie Adegiiia Calcula <br />^ <br /><^ <br />Mean = <br />Variance = <br />66.03 <br />78.644 <br />56.35 <br />83.397 <br />57.25 <br />148.934 <br />n = <br />33 <br />20 <br />20 <br />., . <br />nmin = <br />2 .86 <br />4.63 <br />8.01 <br />CEDAR CREEK ASSOCIATES, Inc. Page 13 Colowyo Coal Company <br />2007 Phase II Evaluation (Updated Dec -10) <br />