Laserfiche WebLink
Shaly Foothill (1212 49A, 49B <br />d. High intensity thunderstorms are common from June through <br />August. Wind velocities for the area average 1.2 to 2.9 miles <br />(1.9 to 4.7 km) per hour and are prevailing from the north and <br />northwest. Generally, March is the windiest month. Strong <br />winds during the spring cause rapid drying of the soil surface. <br />The sun shines approximately 72 percent of the time during the <br />yea r. <br />3. Native (Climax Potential) Vegetation <br />a. The plant community is about 90 percent grasses, 5 percent <br />forbs, and 5 percent shrubs air dry weight. <br />The production is predominantly made up of grasses, which give <br />this site a distinctive mid-grass aspect. <br />The dominant grassesare western wheatgrass, green needlegrass, <br />Griffith wheatgrass, needleandthread, sideoats grama, and little <br />bluestem. Less abundant grasses are blue grama, prairie <br />junegrass, bottlebrush squirrel tail, big bluestem, and Indian <br />ricegrass. Forbs that make up the plant community are orange <br />arnica, purple prairieclover, scarlet globemallow, and <br />slimfZower scurfpea. <br />Shrubs that are most noticeable on this site are winterfat, <br />fourwing saZtbush, true mountainmahogariy, and green plume <br />rabbitbrush. <br />b. Relative percentage of total plant community by weight, <br />air-dry: <br />Symbol Common Name <br />Grasses and Grasslike Plants <br />ANGE big bluestem <br />BOGR2 blue grama <br />SIHY bottlebrush syui~rreltail <br />BUDA buffalograss <br />STVI4 green needlegrass <br />AGALG* Griffith wheatgrass <br />ORHY Indian ricegrass <br />SCSC* little b.iuestem <br />POFE muttongrass ' <br />STC04 needleandthread <br />KOCR prairie junegrass <br />ARIA3 red threeawn <br />POSA12* Sandberg bluegrass <br />BOCU sideoats grama <br />CARES sun sedge <br />AGSM western wheatgrass <br />-2- <br />Scientific Name Percent <br />Andropogon hallii 0-7 <br />Bouteloua gracilis 5-ZO <br />Sitanion hystrix (2) 1-4 <br />Buchloe dactyloides D-.Z <br />Stipa viridula 15-20 <br />Agropyron albicans (2) d0-15 <br />griffithsii <br />Oryzopsis hymenoides 0-3 <br />Schizachyrium scoparium 10-IS <br />Poa fendleriana 0-3 <br />Stipa comata ~~ 10-15 <br />Koeleria cristata 2-5 <br />Aristida longiseta (2) 0-1 <br />Poa sandbergii 0-3 <br />Bouteloua ourtipendula 10-IS <br />Carex heliophila Z-3 <br />Agropyron smithii 15-30 <br />• <br />L_J <br />"" i <br />_ ~ <br />• <br />