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C) <br /> RPM,Inc.,25049 E.Alder Dr.,Aurora,CO 80016 Phone:(303)854-7499 Email:hlhumphries2@comeast.net <br /> Plant Communities <br /> Ecological Dynamics of the Site <br /> The information in this ESD,including the state-and-transition model diagram(STM).was developed using archeological and historical data. <br /> professional experience,and scientific studies.The information is representative of a dynamic set of plant communities that represent the <br /> complex interaction of several ecological processes.The plant composition has been determined by study of rangeland relic areas.areas <br /> protected from excessive disturbance,seasonal use pastures,short durationtlime controlled grazing strategies,and historical accounts <br /> The Salt Meadow Ecological Site is characterized by three states Reference.Warm Season Shortgrass,and Increased Bare Ground State <br /> The Reference State is characterized by warm-season bunchgrass(alkali sacaton,switchgrass).cool-season midgrass(western wheatgrass), <br /> warm-season tall rhizomatous grass and a minor component of cool-season grasslike(Nebraska sedge).The Warm-Season Shortgrass <br /> State is characterized by a warm-season short mizomatous grass(inland saltgrass).The Increased Bare Ground State is characterized by <br /> early successional rmol-season grass(foxtail barley),annual grasses,and annual forbs. <br /> The site has a high water table throughout the growing season.The availability of water has a major influence on the vegetation that will <br /> persist on this site. <br /> Reference Plant Community <br /> This plant community is the interpretive plant community for this site.This community evolved with grazing by large herbivores and is well <br /> suited for grazing by domestic livestock.Historically,fires occurred infrequently This plant community can be found on areas that are grazed <br /> and where the grazed plants receive adequate periods of recovery during the growing season.The potential vegetation is about 80-95% <br /> grasses and grass-likes,3-10%forbs and 2.10%woody plants <br /> The community is dominated by tall and mid warm and cool-season grasses.Major grasses include alkali saraton,sMtchgrass,prairie <br /> cordgrass and western wheelgrass.Other grasses and grass-likes occurring on the community include big bluestem,little bluestem.alkali <br /> cordgrass,Nebraska sedge,and Baltic rush.Key fcirbs and shrubs include American ficonce,praise gentian,rag sumpweed,and fourwing <br /> saltbush <br /> 32 <br />