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Sha1y Foothill #2Z2 49A, 49B <br />• The animal"forage preference changes as the growing season <br />progresses. Continuous year-long grazing or grazing from April to <br />October by cattle cause green needlegrass, needleandthread, sideoats <br />grama, and little bluestem to be replaced by blue.grama, <br />buffalograss, and red threeawn. A system of deterred grazing,. which <br />varies the season of grazing use in pastures during successive <br />years, is needed to maintain a healthy well-balanced plant <br />community. Rest during different seasons of the year benefits <br />different plants. Summer rest (June-August) benefits warm-season <br />plants such as sideoats grama and little bluestem. Spring rest <br />(April-June) benefits cool-season plants such as green needlegrass, <br />Griffith wheatgrass, and needleandthread. Deferment during late <br />winter and spring reduces competition between grazing animals for <br />palatable shrubs and forbs. <br />Z. Wood Products <br />Not appZioable to this site. <br />3. Habitat for Wildlife <br />This range site provides habitats which support a resident animal <br />community that is characterized by antelope, mule deer, cottontail, <br />jackrabbit, and coyote. There is seasonal use by upland game birds <br />and various raptors. <br />{ 4. Hydrological Interpretations <br />Soils in this site are grouped in "D" hydrologic group,. as outlined <br />in the "Soils of Colorado Loss Factors and Erodibility Hydrologic <br />Groupings 1979" handbook. Field investigations are needed to <br />determine hydrological covar conditions and hydrologic curve <br />numbers. The hydrologic curve number for Group D soils is about 80 <br />when hydrologic conditions are good, as shown in "Peak Flows in <br />Colorado" handbook. <br />Refer to SCS National Engineering Handbook, Section.4, to determine <br />runoff quantities from the curves. <br />5. Recreation and Natural Beauty <br />This site has medium value regarding recreational uses and natural <br />beauty. During favorable rainfall years, numerous flowering plants <br />give this site an aesthetically pleasing appearance. <br />6. Endangered Plants and Animals <br />(Species names to be included as reliable information becomes <br />available.) <br />• <br />-5- <br />