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Reference Plant Community <br /> This is the interpretive plant community and is considered to be the Reference Plant Community.This plant community evolved with graz <br /> by large herbivores,and is well suited for grazing by domestic livestock. It can be found on areas that are property managed with prescrit <br /> grazing that allows for adequate recovery periods following each grazing event The potential vegetation is about 70-85%grasses and gr <br /> like plants, 10-15%(orbs,and 5-15%woody plants <br /> The dominant tail warm season grasses are praise sandreed,sand bluestem and swdchgrass. Blue grama dominates the understory. <br /> Important cool season grasses and grass-likes are needle and thread and sun sedge.Key(orbs and shrubs are American vetch,pacific <br /> peavine(manystem pea),purple praise clover,and spreading buckwheat_ <br /> This plant community is diverse,and productive Litter is properly distributed with very little movement off-site,and natural plant mortality <br /> very low.it is welt-suited to carbon sequestration,effective water cycle,and wildlife use by many species,livestock use,and Is aesthetic-- <br /> pleasing Community dynamics,nutrient cycle,water cycle.and energy flow are functioning properly.This community is resistant to <br /> disturbances except moderate to heavy continuous grazing,tillage,and/or development into urban or other uses. <br /> Total annual production ranges from 800 to 2,200 pounds of air-dry vegetation per acre and will average 1,650 pounds during an average <br /> year.These production figures are the fluctuations expected during favorable,normal and unfavorable years due to the timing and amour <br /> precipitation and temperature Total annual production should not be Confused with species productivity,which is annual production and <br /> variability by species throughout the extent of the community phase <br /> Reference Plant Community Plant Species Composition <br /> GmWGresxlike Afewal rrWwC,!M <br /> tpp"C3 Macro) <br /> 'r � 21 LP_W=r Common n42�r =SMSS4tltdfil!!�4 t-ow _ <br /> 1.1 1155 1403 <br /> Grass.peronrnai 2GP 0 83 <br /> Indian nc*Wass ACHY Arhnattoora t wVlad= 11 33 <br /> sand bkrestem ANHA ,4'X1'('SLVQO halve 83 245 <br /> Fentlerthr"aa ARPUI r..t:.. r71 0 17 <br /> S®deoats gmn+a BOM Qm','WGus rvrtrc.m hA 17 83 <br /> bullabwass BOOA2 Fu,1e1QT djctvinicras 0 17 <br /> due drama_ BOGR2 B"Vign saasrt 330 495 <br /> Sur sedge CAINN2 cmo y mpn aeL�o mx+roat>rl» 17 83 <br /> prams sardreed CALO Calarrx;:zXa Pcr>«r1:yG.e 330 495 <br /> th'c)'Wke whenEgrass ELLAI. �rwrKis hrrSP.51�H{tlS suAsa. 0 83 <br /> armr�r <br /> neeeic and tnrggC HECOCB r,Lsrr _ .'z sxroao. 83 165 <br /> r. <br /> praww Ji.rnr ya!" KOMA -....._. i l 50 <br /> Vim paspahmi PASE5 _....__.:.. 0 17 <br /> western whnsrtyra�, PASM ._... 17 116 <br /> S-1cf,(ass PAv32 _------ 83 145 <br /> idile bluestem scsC 17 83 <br /> Indiangrass SONU7 r - 0 83 <br /> sand dropseed SPCR :�"rG JBMUS:'vcx 17 50 <br /> 17 <br />