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12/9/2019 ESD Printable Report <br /> prairie sunflower HEPE Helienthus pqtiolari 0 10 <br /> hairy false goldenaster HEVI4 Heterotheca villosa 0 10 <br /> dotted blazing star LIPU Liatris punctate 10 15 <br /> rush skeletonplant LYJU Lygodesmia juncea 0 10 <br /> leafy false goldenweed OOFOF Oonopsis fohosa var foliose 0 15 <br /> white locoweed OXSE Qxy rL.gnis saricea 0 10 <br /> oppositeleaf bahia PIOP Picradeniopsis oppositifolia 0 10 <br /> woolly plantain PLPA2 Plantagg-pgtqgonica 0 10 <br /> slimflowerscurfpea PSTE5 Psoralidiumtenuillorum 0 10 <br /> upright prairie coneflower RAC03 Ratibida column ifera 0 10 <br /> silky sophora SONU hora nuttalliana 0 10 <br /> scarletglobemallow SPCO phaeralceacoccinea 10 25 <br /> American vetch VIAM Vicia americans 15 40 <br /> Shrub/Vine Annual Production <br /> .(R411adti-Ror acre) <br /> Group Group name Common name Symbol. Scientific name Low High <br /> 3 40 115 <br /> Shrub(>.5m) 2SHRUB 10 40 <br /> fourwing saltbush ATCA2 Atriplex canescens 40 75 <br /> shadscale saltbush ATCO Asrinlex confertitolia 0 10 <br /> tree cholla CYIMI Oylindropuntia imbricate var. 0 10 <br /> imbricate <br /> rubber rabbitbrush ERNAG Encameria nauseoss var. 0 10 <br /> James'seaheath FRJA Frankenia jamesii 0 10 <br /> broom snakeweed GUSA2 Gutierreye sarothrae 0 10 <br /> winterfat KRLA2 Krescheninnikovia lanata 15 40 <br /> plains pricklypear OPPO Opuntia polyacanine 0 10 <br /> Annual Production by Plant Type <br /> Annual Production(Ibs/ac) <br /> Representative <br /> Plant type Low value High <br /> Forb 35 75 115 <br /> Grass/Grasslike 230 600 870 <br /> ShrubNine 35 75 115 <br /> Total: 300 750 1100 <br /> Plant Growth Curve <br /> Growth curve number: C06901 <br /> Growth curve name: Warm season/cool season co-dominant;MLRA-69;upland fine textured soils. <br /> Growth curve description: <br /> Percent Production y-MgnLh <br /> Jan Feb Mar Air May. Jun ,UI Aug Sep Oct Nov Dec <br /> 0 0 5 10 20 30 20 10 3 2 0 0 <br /> Growth cunt <br /> % <br /> P , <br /> f 2, <br /> a y <br /> d <br /> u '3 <br /> c <br /> I <br /> I y <br /> o a <br /> n <br /> a <br /> M. A. M., J-,+ J.1 Ash^ Sxc tin. <br /> Blue Grama Community <br /> This plant community evolved with continuous grazing and occurs frequently throughout most of the eastern plains of Colorado. Most of the <br /> key grass,forb and shrub species are absent.Western wheatgrass and galleta may persist in trace amounts,greatly reduced in vigor and not <br /> readily seen.Blue grama dominates the community with a tight"sodbound"appearance.Red threeawn,sand dropseed,sixweeks fescue and <br /> hairy goldaster have increased. <br /> This plant community is resistant to change due to grazing tolerance of blue grama.A significant amount of production and diversity has been <br /> lost from this community when compared to the HCPC.Loss of cool season grasses,shrub component and nitrogen fixing forbs have <br /> negatively impacted energy flow and nutrient cycling.Water infiltration is reduced significantly due to the massive shallow root system"root <br /> pan",characteristic of"sod bound"blue grama.Soil loss may be obvious where flow paths are connected. <br /> It will take a very long time to restore this plant community back to the reference plant community with management. Renovation would be <br /> very costly.This plant community is in an early stage of desertification. <br /> https://esis.sc.egov.usda.gov/ESDReporttfsReportPrt.aspx?id=R069XY042CO&rptLevel=all&approved=yes&repType=regular&scros=&comm= 6/16 <br />