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Table 12 Hamilton Mine - Vegetation Cover - 2010 <br />Grassland Reference Area <br />Raw Data Percent Ground Cover Based on Point - Intercept Sampling <br />Transect No. <br />1 4 7 10 13 <br />16 19 22 25 28 <br />31 34 <br />37 <br />40 <br />43 <br />Average <br />Cover <br />Relative <br />Cover <br />Freq. <br />-> I <br />Part -> <br />N N N N N <br />S S S S S <br />S S <br />S <br />S <br />S <br />Grasses and Grass -likes <br />N WP Boute %agraci/is Blue Grama <br />I A Bromus tectorum Cheatgrass <br />N WP Hi /aria jamesii James' Galleta <br />2 1 1 1 <br />1 <br />1 2 <br />3 4 17 7 <br />1 2 <br />5 <br />5 7 <br />1 <br />6 <br />3 <br />2 <br />6 <br />3.93 <br />0.73 <br />0.53 <br />16.34 <br />3.05 <br />2.22 <br />87 <br />33 <br />20 <br />N P Oryzopsis hymenoides Indian Ricegrass <br />N P Stipa comata Needle and Thread <br />2 <br />14 16 17 17 13 <br />27 21 15 9 13 <br />14 18 <br />21 <br />21 <br />13 <br />0.13 <br />16.60 <br />0.55 <br />68.98 <br />7 <br />100 <br />Forbs <br />N P Erigeron concinnus Shaggy Fleabane <br />N P Eriogonum sp. Buckwheat <br />I A Sisymbrium a/ti simum Tall Tumblemustard <br />1 <br />1 <br />1 <br />2 <br />1 <br />0.13 <br />0.20 <br />0.07 <br />0.55 <br />0.83 <br />0.28 <br />13 <br />13 <br />7 <br />N P Sphaerakea coccinea Scarlet Globemallow <br />2 <br />1 3 <br />2 1 <br />5 <br />4 <br />1.20 <br />4.99 <br />47 <br />Sub - shrubs <br />N P Gutierrezia sarothrae Broom Snakeweedl 1 I 1 1 I 2 <br />2 <br />1 l 0.53 I 2.22 I 40 <br />Shrubs & Cacti <br />None I I I <br />I 0.00 I 0.00 I 0 <br />Mean <br />Total Plant Cover <br />17 18 20 19 19 <br />32 26 21 26 25 <br />24 27 <br />31 <br />29 <br />27 <br />24.07 <br />Rock <br />Litter <br />Bare ground <br />2 9 4 0 26 <br />12 18 14 15 18 <br />69 55 62 66 37 <br />1 0 0 0 0 <br />28 34 28 24 27 <br />39 40 51 50 48 <br />0 1 <br />28 22 <br />48 50 <br />1 <br />21 <br />47 <br />0 <br />22 <br />49 <br />0 <br />30 <br />43 <br />2.93 <br />22.73 <br />50.27 <br />Total Perennial Cover (excluding noxious weeds)l 17 18 20 19 18 <br />32 26 20 26 23 <br />I 23 27 <br />31 <br />29 <br />20 <br />l 23.27 <br />Sample Adequacy <br />Calculations <br />Plant Cover Mean = 24.07 t = 1.3450 <br />Variance = 23.21 n = 7.25 <br />n = 15 <br />Diversity <br />No. of Perennial Grasses (3% - 40% Rel. Cover) = 1 <br />No. of Perennial Forbs (3% - 40% Rel. Cover) = 1 <br />