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Table G -1. Allowable Herbaceous Cover Calculations - Phase III BR135, Seneca II Mine, <br />Seneca Coal Company, Routt Co., CO - 2011 <br />PLANT SPECIES <br />Percent Foliar Cover* <br />- -- Sample Number-- - <br />21 22 23 24 25 26 27 28 29 30 <br />NATIVE SHRUBS <br />Amelanchier alnifolia <br />P <br />P <br />Padus virginiana ssp. melanocarpa <br />P <br />P <br />P <br />Purshia tridentata <br />1 <br />P <br />Rosa woodsii <br />P <br />Seriphidium tridentatum <br />2 <br />1 <br />1 <br />1 <br />Symphoricarpos rotundifolius <br />3 <br />P <br />P <br />P <br />TOTAL NATIVE SHRUBS <br />6 <br />1 <br />P <br />P <br />P <br />1 <br />P <br />- -- <br />1 <br />P <br />FIRST HIT NATIVE SHRUBS <br />6 <br />1 <br />0 <br />0 <br />0 <br />1 <br />0 <br />0 <br />1 <br />0 <br />BRYOPHYTES <br />Moss <br />P <br />TOTAL BRYOPHYTES <br />- -- <br />- -- <br />- -- <br />P <br />- -- <br />- -- <br />- -- <br />- -- <br />- -- <br />- -- <br />MUSHROOMS <br />Basidiomycete fungus <br />P <br />P <br />P <br />P <br />P <br />TOTAL MUSHROOMS <br />- -- <br />P <br />P <br />P <br />- -- <br />- -- <br />P <br />P <br />- -- <br />- -- <br />Standing dead <br />Litter <br />15 <br />23 <br />19 <br />28 <br />16 <br />10 <br />12 <br />22 <br />17 <br />7 <br />Bare soil <br />15 <br />6 <br />12 <br />16 <br />29 <br />19 <br />16 <br />28 <br />17 <br />13 <br />Rock <br />2 <br />1 <br />4 <br />1 <br />2 <br />4 <br />TOTALS <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />TOTAL VEGETATION COVER <br />68(1) <br />71(2) <br />68 <br />56 <br />51 <br />70(5) <br />70(6) <br />46(3) <br />66 <br />80(3) <br />GROUND COVER (Litter + Rock +Veg +St.Dead) <br />85(1) <br />94(2) <br />88 <br />84 <br />71 <br />81(5) <br />84(6) <br />72(3) <br />83 <br />87(3) <br />SPECIES DENSITY (# of species /100 sq.m.) <br />28 <br />27 <br />23 <br />37 <br />26 <br />29 <br />24 <br />21 <br />27 <br />20 <br />(AVERAGE= 25.7 Std.Dev.= 5.8) <br />TOTAL FIRST HIT VEGETATION COVER <br />68 <br />71 <br />68 <br />56 <br />51 <br />70 <br />70 <br />46 <br />66 <br />80 <br />Mean Annual /Biennial subtraction factor <br />(No subtraction is made if value is negative) <br />0.36 <br />0.36 <br />0.36 <br />0.36 <br />0.36 <br />0.36 <br />0.36 <br />0.36 <br />0.36 <br />0.36 <br />FIRST HIT Non - Herbaceous cover subtraction (Shrubs) <br />6.0 <br />1.0 <br />0.0 <br />0.0 <br />0.0 <br />1.0 <br />0.0 <br />0.0 <br />1.0 <br />0.0 <br />Mean FIRST HIT Noxious weed subtraction <br />1.40 <br />1.40 <br />1.40 <br />1.40 <br />1.40 <br />1.40 <br />1.40 <br />1.40 <br />1.40 <br />1.40 <br />FIRST HIT MEAN ALLOWABLE HERBACEOUS COVER <br />(Calculated using individual transect data)l <br />60.2 <br />68.2 <br />66.2 <br />54.2 <br />49.2 <br />67.2 <br />68.2 <br />44.2 <br />63.2 <br />78.2 <br />*P= Present within 1 m. on either side of cover transect, but not quantitatively encountered. <br />() =Data in parens. = 2nd hits. A 1st hit is top -most layer of vegetation, below 1st hit interceptions may exist other interceptions - these are 2nd hits. <br />12 of 12 <br />