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~,r <br /> <br />a. Current and potential forage production. <br /> <br />b. Current and potential wood products. <br />c. Current and potential levels of erosion and water quality. <br />d. Current and potential values of wildlife habitats and wildlife <br />populations. <br />e. Current and potential values of recreational uses. <br />f. Current and potential values of the landscape; expressed as the <br />visual impact and sensitivity Level of the landscape as a function <br />of the viewing public. <br />g. The kinds and amounts of grazing management and maintenance mea- <br />sures which will be needed to insure the success of vegetative <br />improvement and the maintenance of the vegetation. The possible <br />costs, marginal dollar reaction, economic, and pollution hazards <br />will be evaluated. <br />These evaluations wiZ1 L~ throughly discussed with the decisionmaker. <br />Illl,•,:~;~~ <br />`J <br />III. An Environmental Assessment wiZ1 be prepared for the brush management <br />alternative selected by the cooperator. <br />IV. Infestation can be determined on percent ca nopy_cover, number of <br />plants per acre, or percent composition by (a it dry) weight. (AI1 <br />references to percent composition of the potential plant community is <br />air dry weight.) <br />V. Brush management in Colorado will he applicable when growth of brush <br />and other conditions are as stated for the following species: <br />a. Basin Big Sagebrush, Artemisia tridentata tridentata, mountain big <br />sagebrush, Artemisia tridentata vaseyana, Wyoming big sagebrush, <br />Artemisia tridentata wyomingensis. Control should 6e limited to <br />areas where these sagebrush significantly exceed the maximum <br />allowable percentage in the potential plant community as indicated <br />in the range site description or exceed 15 percent crown canopy. <br />b. Sand Sagebrush, Artemisia filifolia. Control of sand sagebrush <br />should be limited to areas where the crown canopy is greater than <br />15 percent of the percent potential plant community is exceeded. <br />c. Pinyon, Pinus edulis, Utah Juniper, Juniperus osteosperma, and <br />one seed juniper, Juniperus monosperma. Pinyon-Juniper control is <br />applicable when these species have either invaded the site and <br />/ : '• 1, <br />TG Notice 223 <br />-3- <br />Colorado, SCS, May 1984 <br />