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C <br />Ic <br />10 <br />high cover value for the forbs, at 0.20. Total plant cover averaged <br />4.01'. Cover by litter and rock was 82.01 and by plant -litter -rock was <br />86.0%. Bare ground averaged 17.3%. Sample adequacy for cover was 33 <br />plots; 35 were sampled. <br />Carex spp. (0.1 gms/m2), Danthoniaap rryi (0.6 gms/m2), and <br />Andropogon scoparium (0.4 gms/m2) were the most productive species <br />(Table 3). Total production averaged 3.0 gms/m2. Sample adequacy <br />for production required 19 samples, and 24 were obtained (Table 2). <br />Cercocarpus montanus was the most dense shrub at 0.6 shrubs/mz, <br />or 46% of all shrubs (Table 4). Quercus gambelii was the next most <br />dense, at 0.5 shrub/m2, or 38% of all shrubs. Average shrub density <br />was 1.3 shrubs/m2. <br />Pinus ponderosa was the most dense tree, at 720 trees/ha, or <br />64% of all trees (Table 4). Pinus edulis saplings had the highest den- <br />sity, at 120 trees/ha, or 11%. Average tree and sapling density was <br />1,120 trees/ha. <br />The dominants for both the affected area and.reference area <br />were Pinus ponderosa and Quercus gambelii. Important understory <br />species were Carex spp., Danthonia oa, rryi, and Andropoaon scoparium <br />in both the affected and reference areas. Herbaceous plant cover and <br />production were low in this vegetation type due to the abundance of <br />pine litter. Cercocarpus montanus was an important shrub in the <br />reference area. <br />• <br />