2011-03-30_REPORT - C1980005 (2)

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• averaged 0.6, 35.5, 18.2 and 6.1 percent, respectively. Average species density was 25.0 species per 100 sq. m. Mountain Brush Reference Area (Photographs 9 through 12) COVER (Table 2) Native shrubs were the predominant lifeform observed in the Mountain Brush Reference Area, contributing 69.5 percent toward total all -hit vegetation cover. Of this, Gambel's oak (Quercus gambelii) contributed 33.4 percent, Saskatoon serviceberry (Amelanchier alnifolia) contributed 16.1 percent, and mountain snowberry contributed 13.5 percent. Native perennial cool season grasses and native perennial forbs made moderate contributions to cover, with 17.9 and 5.1 percent all -hit cover, respectively. Also observed in the area was the noxious weed hound's tongue. Total average vegetation cover for all hits was 95.0 percent. For herbaceous vegetation, total average cover for all hits was 24.8 percent. Cover by standing dead, litter, bare soil and rock • averaged 0.7, 21.5, 6.2 and 0.0 percent, respectively. Average species density was 33.1 species per 100sq. m. Sagebrush /Snowberry Reference Area (Photographs 13 through 16) COVER (Table 3) Native shrubs were the predominant lifeform observed in the Sagebrush /Snowberry Reference Area, contributing 27.0 percent toward total all -hit vegetation cover. Of this, mountain snowberry (Symphoricarpos rotundifolius) contributed 13.8 percent and big sagebrush (Seriphidium tridentatum) contributed 10.9 percent toward all -hit cover. Native perennial cool season grasses and native perennial forbs made moderate contributions with 26.3 and 20.6 percent, respectively. Total average vegetation cover for all hits was 76.7 percent. For herbaceous vegetation, total average cover for all hits was 49.8 percent. Cover by standing dead, litter, bare soil and rock averaged 2.3, 19.4, 7.3 and 0.0 percent respectively. Average species density was 28.7 species per 100sq. m. • 9