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10 <br />production value of 2.8 gms/m2. The remaining understory species • <br />had low and minor production values. The total mean production for <br />the pinyon-juniper understory was 35.7 gms/m2. <br /> <br />Density measurements for shrubs, trees and saplings in the <br />pinyon-juniper site are given in Table 6. In the shrub category, <br />Artemisia frioida had a mean density. of 7..4/m2. uercus gambelii had <br />a mean density of O:f/m2, and Xanthocephalum sarothrae had a mean den- <br />sity of 0.4/m2. In the tree category, Pious edulis had a mean density <br />of 5.3/100m2 and ,lunioerus scopulorum had a mean density of 4.0/100m2. <br />Abies concolor, Pinus ponderosa, and Pseudotsuga menziesii were minor <br />tree species, with mean densities of 0.3/100<n2, 0.8/100m2 and 0/1m2, <br />respectively. No Pinus edulis saplings were encountered, and <br />Pseudotsuoa menziesii had the highest density count of the saplings, <br />C } with a value of 1.8/100mZ. Juninerus scopulorum saplings had a mean - • <br />density of 0.3/100in2, and Pinus ponderosa saplings had a mean density <br />of 0.3/100m2. Total mean density for 1DOm2 was 12.5, and for lm2 was <br />4.1. <br />Dominant species in the pinyon-juniper understory were <br />Astraaalus striatus, Astragalus flexuosus, and Townsendia eximia. In <br />general, fortis were dor.iinant, and orasses were minor species. <br />Pinus edulis and Juni~erus scopulorwn were dominant true species. <br />Eased on density ~-easurement5, :lrte~nisia frioida was the dominant <br />Snr'Ub. PS?;;dptSUr,' :len'7?511 had the lu'r~e5t oC C:1 r'r once Of Sd D11nSS, <br />although no matuie trees of that species mere encountered. <br />The Allen ~•fine encompassed three separate vegetation types: <br />Ponderosa pine-Douolas fir-oak, Ponderosa pine-oak, and willow carr. <br />The mean cover values for the Ponderosa pine-Douglas fir-oak type • <br />