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<br />12 <br />3.6/100m2. Pious ponderosa had a mean density of 0.8/100m2, Pinus <br />C )' edulis had a mean density of 0.6/100m2, and Juniperus scooulorum had <br />a mean density of 0.2/100m2. The total mean density for the shrub, <br />tree, and sapling categories was 12.2/100in2. <br />The understory vegetation for the Ponderosa pine-Douglas fir- <br />oak reference area had apparent dominants of Carex sp., Bouteloua <br />curtipendula, Danthonia parryi, and perennial forbs. However, these <br />dominants were not clearly discernable, as many species were dry due <br />to the lateness of the season. Quercus gambelii was clearly a domi- <br />nant shrub, and Pinus ponderosa and Pseudotsuga menziesii were <br />dominant trees. Pseudotsuga 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 />C } the Ponderosa pine-Douglas fir-oak vegetation types. The understory <br />vegetation v,as 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 70. Danthonia arryi had a mean cover value of <br />1.°`,. Carex sn. had a mean cover value of 0.8 perennial forbs lead <br />a mean cover value of 0.5`:, annual forbs had a mean cover value of <br />0.3', and Tiialictrum fendleri had a ~~lean cover value of 0.3`.<. <br />,:: L°li,'L, cul'tlne!1dUla ,]C~ ~.Ollteia,:a !!:'-kill; b0 th (lad Ine P•n COY 2~ <br />,•.lu~s of f..2 The re~~;aininq species iiad inear, cover values o' 0.1". <br />The total mean cover for the liel'haceous category was 4.8°S. In the <br />non-herbaceous catenory, litter had a mean cover value of 57.1°:, bare <br />gr-nund accounted for 20.1`:, and l•oc4: accounted for 18.0`:. . <br />