Laserfiche WebLink
tiia• 1)pc~ Rangdattd Sanrh~ BDSUnnland <br />MLRA r'R ('corral High Plains, Southern f an RIN,7lSl'031C0 <br />Plant Communities <br />Ecological Dynamics of the Site: <br />Continuous grazing without adequate recovery opportunttles following each grazing event during the <br />grov+ing season will inilially cause blue grams and sand sagebrush to increase Species such as <br />sand bluestem, yellow Indiangrass, switchgrass, prairie sandreed, western sandcherry. leadplant and <br />palatable (orbs will decrease in frequency and producUOn. Brush management (spraying) well inilially <br />reduce sand sagebrush as well as other important (orbs and shrubs. Brush management loltowed by <br />continuous grazing can eliminate remaining grass leaving established or reestablishing sagebrush. <br />Prescribed graxtng that allows adequate recovery periods following brush management will result in a <br />grass dominated plant community Non-use, continuous yrazing, w4dfire, brush management or any <br />type of physical disturbance can cause erosion to increase on these iragite soils <br />The historic climax plant community (descriptron follrnvs the plant community diagram) has been <br />determined by study of rangeland relic areas, areas protected from excessive disturbance, seasonal <br />use pastures, short duralionl/time controlled grazing and historical accounts <br />The follotiving diagram illustrates the common ptanl communities that can occur on the site and the <br />transition pathways (arrows) among communities. Bold lines surrounding each plant community or <br />communities represent ecological thresholds. The ecological processes are discussed in more detail <br />in the plant Community descriptions following the diagram. <br />Plant Communities and Transitional Pathways <br />e..., <br />1'erhnic;d Gul,le USt}r\ VR('S <br />Secnun III- a Rev. 7,U1 <br />BN - Diusn management, C6 ~ cOnUryous grurg vn;DOUt a0eguatc recovery <br />Deiw4 HCPC - Hatoar. ClrtnaK Plant Commun~ry. LTCO ~ lag term continuous <br />graz,rg p:5 yrsi LTNU ~ long term ncmuse (>.'S yrs1.LTPG -lag term <br />pesrnDetl gra;.mg i,>20yrsl NF - no fire, NU ~ rwm uw PG - D•esarDed <br />granng weh aocQuate recovery penal. WF ~ v.Udf~re <br />