Laserfiche WebLink
Table 1 Colo =o - Vegetation Cover - 2008 & 2009 (Page 2 of 2) <br />e :ag ConCoue "Slimr>,arjCor�i lnue� <br />7 7 Frey .. .•,�,. ' ' , 1',erce0 Grzrun... 411" a " n. tte "I <br />Sampling Year -> 2008 2009 <br />Area Phase III Mountain Sagebrush Weighted Phase III Mountain Sagebrush Weighted <br />Reference Reference <br />Weight -> 100% 55% 45% Val 100% 55% 45% Values <br />Forb Continued <br />N P Linum lewisii Lewis Flax <br />1.00 <br />- <br />0.20 <br />0.09 <br />- <br />0.05 <br />0.02 <br />N P Lomatium dissectum Femleaf Biscuitroot <br />- <br />- <br />0.10 <br />0.05 <br />- <br />- <br />- <br />N P Lupinus caudatus Tailcup Lupine <br />4.55 <br />- <br />2.50 <br />2.35 <br />0.65 <br />1.59 <br />N B Machaeranthera canescens Hoary Aster <br />- <br />- <br />0.05 <br />- <br />0.03 <br />I P Medicagosativa Alfalfa <br />3.80 <br />4.67 <br />- <br />- <br />I P Onobrychis vkiaefolla Sainfoin <br />0.07 <br />- <br />- <br />- <br />N P Phbxhcodii Hood Phlox <br />- <br />0.20 <br />0.09 <br />0.05 <br />0.02 <br />I A Ranunculus testiculatus Nut Buttercup <br />0.13 <br />- <br />- <br />- <br />- <br />- <br />N P Senecio multilobatus Lobeleaf Groundsel <br />- <br />0.10 <br />0.06 <br />I A Sisymbnum altissimum Tumble Mustard <br />0.13 <br />- <br />- <br />- <br />- <br />N P Sphaerakea coccinea Scarlet Globemallow <br />- <br />0.40 <br />0.18 <br />0.15 <br />0.07 <br />N P Stellarlajamesia Tuber Starwort <br />0.23 <br />- <br />- <br />0.35 <br />- <br />0.19 <br />N P Stenottrs armenoides Thrifty Goldenweed <br />- <br />0.15 <br />1.55 <br />0.78 <br />0.15 <br />0.95 <br />0.51 <br />I P Ta_xacum officinale Dandelion <br />0.07 <br />- <br />- <br />- <br />0.05 <br />- <br />0.03 <br />I A Thlaspi a,,nse Field Pennycress <br />0.13 <br />0.15 <br />- <br />0.08 <br />0.03 <br />0.30 <br />- <br />0.17 <br />I B Tragopogon dubius False Salsifyl <br />0.20 <br />0.10 <br />0.30 <br />0.19 <br />- <br />0.10 <br />0.05 <br />Sub - shrubs <br />N P Ceratoideslanata Winterfa <br />- <br />- <br />0.50 <br />0.23 <br />0.15 <br />0.07 <br />N P Encgonum micmthecum Slender Buckwhea <br />0.15 <br />0.07 <br />- <br />- <br />N P Guterrezta samthrae Snakeweed <br />- <br />2.90 <br />1.31 <br />2.70 <br />1.22 <br />N P Mahonia repens Creeping Barberry <br />0.25 <br />- <br />0.14 <br />- <br />- <br />Shrubs & Trees <br />N P Amelachieralnifolia Serviceberry <br />0.55 <br />0.50 <br />0.53 <br />- <br />0.60 <br />1.05 <br />0.80 <br />N P Artemista tridentate wyo. Wyo. Big Sagebrush <br />0.23 <br />12.30 <br />9.55 <br />11.06 <br />0.13 <br />10.60 <br />9.70 <br />10.20 <br />N P Atriplexcanescens Four -wing Saltbush <br />- <br />- <br />- <br />0.03 <br />- <br />- <br />- <br />N P Chrysothamnusnauseosus Rubber Rabbitbrush <br />0.35 <br />0.05 <br />0.22 <br />- <br />0.15 <br />0.50 <br />0.31 <br />N P Chrysothamnus viscidiflorus Low Rabbitbrush <br />1.45 <br />0.25 <br />0.91 <br />0.95 <br />0.55 <br />0.77 <br />N P Prunus virginiana Chokecherry <br />0.10 <br />- <br />0.06 <br />0.05 <br />- <br />0.03 <br />N P Quercusgambellii Gambel Oak <br />2.20 <br />1.21 <br />2.35 <br />1.29 <br />N P Rasa sp. Ornamental rose <br />0.03 <br />- <br />- <br />- <br />- <br />N P Symphorkarposoreophilus MountainSnowbe <br />- <br />6.55 <br />1.55 <br />4.30 <br />7.50 <br />2.55 <br />5.27 <br />Total Plant Covel <br />70.80 <br />1 63.00 <br />57.85 <br />60.68 <br />74.63 <br />61.30 <br />48.35 <br />55.47 <br />Roc <br />0.80 <br />0.50 <br />2.40 <br />1.36 <br />0.67 <br />0.65 <br />2.55 <br />1.51 <br />Litt] <br />21.80 <br />31.30 <br />25.60 <br />28.74 <br />19.77 <br />33.20 <br />37.20 <br />34.97 <br />Bare ground <br />6.60 <br />5.20 <br />14.15 <br />9.23 <br />4.93 <br />4.85 <br />11.90 <br />8.02 <br />Total Perennial roverl <br />65.83 <br />1 55.05 <br />1 34JUJ <br />0 <br />54.65 <br />1 39.60 <br />47.88 <br />Sfrinlna . °b Lifefomi: ' <br />w . a.. <br />, r£.;, <br />Perennial Grasses <br />49.93 <br />23.60 <br />16.35 <br />20.34 <br />53.47 <br />27.40 <br />20.35 <br />24.23 <br />Annual Grasses <br />3.73 <br />6.20 <br />22.05 <br />13.33 <br />1.43 <br />6.15 <br />8.55 <br />7.23 <br />Perennial Forbs <br />15.63 <br />7.70 <br />2.90 <br />5.54 <br />18.97 <br />5.05 <br />2.05 <br />3.70 <br />Annual & Biennial Forbs <br />1.23 <br />1.65 <br />1.10 <br />1.40 <br />0.60 <br />1 <br />0.50 <br />0.20 <br />0.36 <br />Noxious / Aggressive Weed <br />- <br />0.10 <br />- <br />0.06 <br />- <br />- <br />- <br />- <br />Sub- shrubs <br />- <br />0.25 <br />3.55 <br />1.74 <br />- <br />- <br />2.85 <br />1.28 <br />Shrubs & Trees <br />0.27 <br />1 23.50 <br />1 11.90 <br />18.28 <br />1 0.17 <br />1 22.20 <br />1 14.35 <br />18.67 <br />Mean = <br />70.80 <br />63.00 <br />57 85 <br />� K <br />74.63 <br />61.30 <br />48.35 <br />Variance = <br />135.545 <br />39.789 <br />87 19 <br />120.45 <br />89.38 <br />29.61 <br />n = <br />30 <br />20 <br />20 <br />30 <br />20 <br />20 <br />n = <br />4.65 <br />1.77 <br />4.59 <br />3.72 <br />4.19 <br />2.23 <br />XNANP <br />• <br />0 <br />0 <br />CEDAR CREEK ASSOCIATES, Inc. <br />Page 22 Rio Tinto Energy America - Colowyo Mine <br />2009 Phase III Bond Release Evaluation - Year 2 <br />