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25 <br /> <br /> <br /> <br />Table 1. Percent cover means (x) for the affected area and <br />reference area of the Ponderosa Pine-Oak vegetation tyae. Allen <br />Mine, CF&I Steel Corporation, July-August, 1981. <br />Species or <br />Category Affected <br />Area <br />z Reference <br />Area <br />R <br />Grasses <br />Andro~oaon scoparium 0.3 0.2 <br />douteloua curtiperdula -- 0.1 <br />Bouteloua grccilis 0.03 -- <br />Carew spp. 0.5 0.3 <br />Danthania par^yi 0.1 0.2 <br />Stipa scribneri 0.1 0.1 <br />Forbs <br />Annual forb 0.03 -- <br />Anemone patens 0.1 0.2 <br />Antennari.a roses -- 0.1 <br />Besseya plantaginea -- 0.1 <br />Eriagonum jamesii 0.03 0.03 <br />Fragaria ovalis 0.1 0.1 <br />Galium boreale 0.1 0.03 <br />PotentiZla concirvta 0.1 -- <br />Thalictrwn fendZeri 0.4 0.1 <br />Shrubs <br />Cercocarpus montamas 0.4 0.2 <br />Quercus gambeZii 1.2 1.0 <br />Ribes inerme 0.4 0.5 <br />Symphoricarpos oreophilus 0.03 -- <br />Cryotoaams <br />Moss 0.6 0.9 <br />------------------------------------ <br />X 5 X 5 <br />Total Plant Cover <br />Litter and Rock Cover <br />Bare ground <br />Plant, Litter and Rock Cover <br />4.1 3.a 4.0 3.6 <br />90.0 14.7 82.0 21.0 <br />8.7 13.3 17.3 22.0 <br />94.1 13.0 BE.O 22.2 <br />~J <br />-. <br /> <br />