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Table 1 Colo o - Vegetation Cover - 2006 <br />Average Ground Cover Summary <br />Area -> <br />Phase I1 <br />Mountain <br />Sagebrush <br />Shrub RA <br />Ref Area <br />100% <br />55% <br />45% <br />W ' ht -> <br />Grasses and Grass -likes <br />N P <br />Apupyron a/( wns <br />Griffiths Wheatgrass <br />- <br />0.13 <br />2.20 <br />N P <br />Agrapymndasystachytun <br />Thickspike Wheatgrass <br />5.39 <br />- <br />0.13 <br />I P <br />Ag2pyrga e✓argaMn <br />Tall Wheatgrass <br />0.03 <br />- <br />I P <br />AgrgOyraomtotffn <br />Interme Wheatgrass <br />0.25 <br />- <br />- <br />N P <br />Aymapyr -tWnwn <br />Streambank Wheatgrass <br />4.31 <br />- <br />- <br />I P <br />AgrqWw sberirmn <br />Siberian Wheatgrass <br />5.69 <br />N P <br />Agiopyronsmithp <br />Western Wheatgrass <br />- <br />0.93 <br />3.40 <br />N P <br />Agwpyr nspKatum <br />Bluebunch Wheatgrass <br />0.06 <br />- <br />- <br />N P <br />AgigoymnspaN insane <br />Beardless Bluebunch W. <br />0.67 <br />- <br />N P <br />Agrgvyraa bachymuhun <br />Slender Wheatgrass <br />2.00 <br />5.00 <br />- <br />I P <br />&anus 67erma <br />Smooth Bmme <br />1.94 <br />- <br />0.07 <br />N P <br />F![Yrr/r5' no7nafts <br />Mountain Bmme <br />0.67 <br />I A <br />Brans tedomm <br />Cheatgrass <br />9.31 <br />0.07 <br />2.07 <br />N P <br />Ganexgeyed <br />Elk Sedge <br />- <br />1.33 <br />- <br />I P <br />es <br />Orchard rass <br />0.25 <br />- <br />N P <br />E usalbaans <br />Montana Whe lass <br />- <br />- <br />0.27 <br />N P <br />E/ynusdnenrs <br />Basin Wildrye <br />1.25 <br />- <br />- <br />I P <br />E#MuSft <br />Russian Wild rye <br />1.56 <br />N P <br />Fesluca oW1W5a WMtana <br />Hard Fescue <br />0.11 <br />- <br />- <br />N P <br />Abelewfri ranb5a <br />PrairieJuneg2ss <br />- <br />- <br />4.07 <br />N P <br />P03 siaerrsi5' <br />Bluegrass <br />- <br />11.67 1 <br />2.87 <br />I P <br />Poo prdensis <br />Kentucky B uegrass <br />1.06 <br />- <br />- <br />N P <br />Pta setunda <br />Sandberg Bluegrass <br />0.20 <br />2.60 <br />N P <br />SilanAUO <br />Bottlebrush uineitail <br />0.13 <br />0.07 <br />N P <br />Stipa lettermand <br />Lettemran Need egrass <br />- <br />4.53 <br />0.20 <br />N P <br />Stipa n ISM11 <br />Nelson Needlegrass <br />- <br />1.80 <br />- <br />Forbs <br />lanuAza <br />W estern Yarrow <br />I P <br />AMagalusoeer <br />CicerMilkvetch <br />0.08 <br />- <br />- <br />N P <br />let V. <br />Milkvetch <br />4.47 <br />0.07 <br />I A <br />L7wincl odiuma0em <br />Lambsquarter <br />0.08 <br />- <br />- <br />N A <br />CherAWCOrbm berlande" <br />Pitseed Goosefbot <br />0.19 <br />- <br />N P <br />002Wren undulahen <br />Wa eaf Thistle <br />0.40 <br />N A <br />Dexurdimapinnata <br />Pin nataTansymustard <br />0.06 <br />- <br />- <br />I A <br />LiescurairoasgOhia <br />FlixweedTansymustard <br />0.03 <br />- <br />- <br />N B <br />CJir)"ra Galmsa <br />Cu up Gumweed <br />0.17 <br />N P <br />biaraale <br />Northern sweetvetch <br />0.25 <br />I B <br />Lach sa7x* <br />Prickly Lettuce <br />0.08 <br />- <br />- <br />N P <br />Laffiyrus kuC31bbus <br />Peavine <br />- 1 <br />0.13 <br />N P <br />Liam / %W/ <br />Lewis Flax <br />0.17 <br />- <br />0.07 <br />N P <br />Luonusardatus <br />TailcupLupine <br />- <br />0.07 <br />0.07 <br />N B <br />Madraeranbhera anesmns <br />Hoary Aster <br />0.06 <br />- <br />0.07 <br />I P <br />AWAWO saeM <br />Alfalfa <br />1.42 <br />- <br />- <br />N P <br />Penstern nS&Achs <br />Rocky Mtn. Penstemon <br />0.11 <br />- <br />- <br />N P <br />Phlox hooda <br />Hood Phlox <br />0.13 <br />I A <br />Sabola au"Iis <br />Russian Thistle <br />1.31 <br />- <br />- <br />I P <br />Sanguisorbarranor <br />Small Bumet <br />0.03 <br />- <br />- <br />I A <br />Sisymbriumaft -mum <br />Tumble Mustard <br />0.36 <br />- <br />- <br />N P <br />5pnaffaxw corona <br />Scarlet Globemallow <br />- <br />- <br />0.40 <br />N P <br />SteV/anajamesla <br />Tuber Starwort <br />- <br />0.20 <br />- <br />N P <br />Starxits amrOioiiies <br />Thrifty Goldenweed <br />1.00 <br />arrense <br />Helcl Flennycress <br />U.1 <br />Shrubs, Cacti & Trees <br />ar n m <br />Servi celberry <br />N P <br />AmieladMarutaherms <br />Utah Serviceberry <br />- <br />0.47 <br />0.80 <br />N P <br />Artemisa biderrbb wya <br />Wyo Big Sagebrush <br />0.39 <br />5.20 <br />7.93 <br />N P <br />AboHxcanescevs <br />Four -wing Saltbush <br />0.14 <br />- <br />- <br />N P <br />ChrysoNsmnsnauseuws <br />RubberRabbitbrush <br />0.06 <br />- <br />N P <br />CMysoBraarnus 14800'1410- <br />Low Rabbitbrush <br />- <br />- <br />0.07 <br />N P <br />wnernaw samMrae <br />Snakeweed <br />- <br />- <br />2.00 <br />N P <br />QueaasgambelGi <br />Gambel Oak <br />- <br />2.60 <br />- <br />N P <br />Symphmarpos~i/us <br />Mountain Snowberry <br />- <br />4.53 <br />1.53 <br />Total Plant Coverl <br />43.44 <br />1 39.93 <br />1 32.60 <br />Rock <br />0.67 <br />0.93 <br />1.93 <br />Litter <br />44.31 <br />48.93 <br />45.80 <br />Bare gi <br />10.20 <br />19.67 <br />Total Perennial Coverl <br />31.50 <br />1 39.87 <br />3033 <br />S ummary Lifeforin: <br />Perennial Grasses <br />24.56 <br />26.40 <br />15.87 <br />Annual Grasses <br />9.31 <br />0.07 <br />2.07 <br />Perennial Forbs <br />6.36 <br />0.67 <br />1.87 <br />Annual & Biennial Forbs <br />2.64 <br />- <br />0.40 <br />Noxious / Aggressive Weeds <br />- <br />- <br />- <br />Shrubs <br />0.58 <br />12.80 <br />12.40 <br />Sam a Ad ua Calculations: <br />Mean = <br />43.44 <br />39.93 <br />32.60 <br />Variance = <br />79.854 <br />91.838 <br />37.83 <br />n = <br />36 <br />15 <br />1 <br />n.. = <br />7.22 <br />10.45 <br />7.5 <br />CEDAR CREEK ASSOCIATES, INC. Page 12 Colowyo Coal Co. Phase 11 Evaluation <br />