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• ~ C <br />F2- Gravelly Foothill A214 <br />d. High intensity thunderetorms,.are~ common from June through <br />August. Wind velocities for the area average 1.2 to 2.9 miles <br />(1.9 km to 4.7 km) per hour'and'are prevailing from the north <br />and northwest. Generally, March is the windiest month. Strong <br />winds during the spring'cause rapid drying of the Boil surface, <br />The sun shines approximately 71 percent of the time during the <br />year. <br />3. Native (Climax Potential) Vegetation ;,, <br />a. The plant community ie about 85 percent grasses, 10 percent <br />forbs, and 5 percent shrubs air dry weight. The production is <br />predominantly made up of grasses; however, the numerous forbs <br />add a distinctive appearance.; to the landscape. The dominant <br />grasses are little blueatem, needl.eandthread, and prairie <br />eandreed. Less abundant grasses are eideoata grams, blue grams, <br />thickspike wheatgrass, western wheatgrass and mountain muhly. <br />Forbs that make up the plant community are dotted gayfeather, <br />Drummond milkyetch, Geyer larkepµr, and slimflower scurfpea. <br />Shrubs that are,.moat noticeable, on thin site are fringed <br />sagebrush and apreading.eriogonum. <br />,~, r . , <br />b. Relative percentage of total plant community by weight, <br />air-dry: .. .. q'a . , • ., <br />• Symbol Common Name Scientific Name Percent <br />Grasses and Grasslike Plants ,,.,. '„ <br />BOGR2 blue grams / ,,Bouteloua gracilie 10-20 - <br />ORHY Indian ricegrasa / Oryzopais hymenoidea 0-4 <br />SCSC* little bluestem / ;.Schizachyrium acoparium 20-25 - <br />MUMO mountain muhly ~ ..Muhlenbergia montane 0-10 <br />POFE muttongrass Poa fendleriana 0-3 <br />STC04 needleandthread Stipa comata 15-25 - <br />MUCU3 plains muhly Muhlenbergia cuspidate 2-7 <br />KOCR prairie ~unegrasa Koeleria cristata 3-5 <br />CALO prairie sandreed Calamovilfa longifolia 15-20 - <br />ARL03 red threeawn Aristida longiaeta (2) 0-1 <br />SPCR sand dropseed Sporobolus cryptandrua 0-3 <br />POSA12* Sandberg bluegrass Poa sandbergii 0-2 <br />BOCU eideoata grams / Bouteloua curtipendula 10-15 - <br />CAHES sun sedge Carex heliophila T-5 <br />AGDAD* thickspike wheatgrass Agropyron daeystachyum(2) 5-10 <br />daeystachy~ <br />AGSM western wheatgrass / Agropyron emithii 5-7 - <br /> <br /> <br />