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r <br />C <br />12 <br />3.6/100m2. Pinus ponderosa had a mean density of 0.8/100m2, Pinus • <br />edulis had a mean density of 0.6/100m2, and Juniperus sconulorum had <br />a mean density of 0.2/100m2. The total mean density for the shrub, <br />tree, and sapling categories was 12.2/100m2. <br />The understory veqetation for the Ponderosa pine -Douglas fir - <br />oak reference area had apparent dominants of Carex sp., Bouteloua <br />curtipendula, Danthenia parryi, and perennial forbs. However, these <br />dc- ants were not clearly discernable, as many species were dry due <br />to t... lateness of the season. Quercus aambelii was clearly a domi- <br />nant shrub, and Pinus ponderosa and Pseudotsuga menziesii were <br />dominant trees. Pseudotsuoa menziesii was the dominant sapling which <br />indicated active regeneration. <br />The dominant shrub, tree, and sapling species indicated by <br />cover, production and density values reflect the characteristics of , <br />the Ponderosa pine -Douglas fir -oak vegetation types. The understory <br />vegetation was sparse, most probably due to the dense litter on the <br />forest floor and lower incidence of solar radiation. <br />The Ponderosa pine -oak reference area mean cover values are <br />presented in Table 10. Danthonia parryi had a mean cover value of <br />1.9'x. Carex sp. had a mean cover value of 0.8°x, perennial forbs had <br />a mean cover value of 0.5'x, annual forbs had a mean cover value of <br />0.3:', and Thalictrum fendleri had a mean cover value of 0.3x. <br />Boutelo.a curtipendula and Bouteloua gracilis both had mean cover <br />values of 0.2. The remaininq species had mean cover values of 0.1". <br />The total mean cover for the herbaceous category was 8 In the <br />nor. -herbaceous cateq.ory, litter had a mean cover value of 57.1., bare <br />ground accounted for 20.1':, and rock accounted for 18.0".' , <br />