2009-11-10_PERMIT FILE - C1991078

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• • • Table 10 Honeywood - Vegetation Cover - 2009 Grassland Reference Area - North Sagebrush Reference Area - North Percent Ground Cover Based on Point - Intercept Sampling Transect No.> 1 1 2 3 4 Percent Ground Cover Based on Point - Intercept Sampling Average Cover Transect No.> 1 1 2 3 4 5 Average Relative Nw P Bouteloua gracilis Cover Cover Freq. Grasses and Grass -likes 0.60 3.16 40 I A Bromus tectorum Cheatgrass 2 Nw P Ansti a purpurea Purple Threeawn 2 8.42 60 0.40 2.02 20 Nw P Bouteloua gracilis Blue Grama 9 9 7 13 11 9.80 49.49 100 Nw P Hilaria jamesii James' Galleta ............................... 14.20 8 100 1.80 ............................... 9.09 40 ................. ............................... N P Sitanion hystrix Bottlebrush Squirreltail ..... .............. ....................................... 3 1 3 1.40 7.07 60 N P Shpa comata Needle and Thread 2 8 2 20 4 3.20 16.16 8o Forbs 0.60 3.16 40 Shrubs, Cacti & Trees I A Erodium ocutarium Redstem Stork'sbill 1 Wyo. Big Sagebrush 0.20 1.01 20 Shrubs, Cacti & Trees Mean N P Artemisia tridentate var. wyo. Wyo. Big Sagebrush 3 1 2 21 5 2.20 11.11 80 N P Gutierrezia sarothrae Broom Snakeweed 1 2 5 0.60 3.03 40 N P Opuntia polyacantha Prickly -Pear 10 1 22.60 0.20 1.01 20 50 70 54.60 Total Perennial Cover 1 17 19 21 Mean 13 Total Plant Cover 18 21 14 23 23 1.5332 19.80 Sample Adequacy Calculations Variance = 8.00 Rock 7 6 14 9 2 7.60 No. of Perennial Forbs 3% - 50 0 /b Rel. Cover = 1 Litter 39 24 42 33 34 34.40 Bare ground 36 49 30 35 41 38.20 Total Perennial Cover 18 21 14 22 23 19.60 Plant Cover Mean = 19.80 t = 1.5332 n= 5 Sample Adequacy Calculations P q ry Variance = 14.70 nmin = 8.81 No. of Perennial Grasses (3% - 50% Rel. Cover) = 4 Diversity No. of Perennial Forbs 3% - 50% Rel. Cover = 0 Table 11 Honeywood - Vegetation Cover - 2009 Grassland Reference Area - North Percent Ground Cover Based on Point - Intercept Sampling Transect No.> 1 1 2 3 4 5 Average Cover Relative Cover Freq. Grasses and Grass -likes Nw P Bouteloua gracilis Blue Grama 1 2 0.60 3.16 40 I A Bromus tectorum Cheatgrass 2 4 2 1.60 8.42 60 Nw P Hilaria jamesii James' Galleta 5 1.00 5.26 20 .................................................................................................................................................................................... N P Stipa comata Needle and Thread 11 19 20 8 13 ............................... 14.20 74.74 100 Forbs N ? Happlopappus sp. Happlopappus sp. 1 0.20 F11.05 20 N P Sphaeralcea coccinea Scarlet Globemallow 1 2 0.60 3.16 40 Shrubs, Cacti & Trees N P Artemisia tridentate var. wyo. Wyo. Big Sagebrush 4 0.80 4.21 20 Mean Total Plant Cover 17 21 21 21 15 19.00 Rock 2 3 6 3 5 3.80 Litter 23 28 26 26 10 22.60 Bare ground 58 48 47 50 70 54.60 Total Perennial Cover 1 17 19 21 16 13 17.20 Plant Cover Mean = 19.00 t = 1.5332 n= 5 Sample Adequacy Calculations Variance = 8.00 nm,n - 5.21 No. of Perennial Grasses (3% - 50% ReL Cover) = 2 Diversity No. of Perennial Forbs 3% - 50 0 /b Rel. Cover = 1 CEDAR CREEK ASSOCIATES, Inc. Page 22 Hamilton Mine - Revegetation Evaluation - 2009