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~....:. <br />• availabilin and other facrors. Qf prime importance to changing send mixtures and rarer ~siil be <br />the evaluation of initial reve~etation success. <br />Land Management <br />Noxious Plant Control <br />Noxious plants found on the permit area will be controlled throughout the life of the operation [o <br />reduce the seed source available to invade reclaimed areas. Revegetated areas will be qualita[iveh <br />evaluated annually to assess noxious plant populations. A weed control plan will be developed <br />in accordance with the Noxious Weed i\fanagement Act in cooperation with the Stare of Colorado. <br />Las Animas County, and CDMG. ivlonitoring and control of noxious plants nn both rangeland <br />and reclaimed areas and land management practices to prevent their establishment will effectiveh <br />limit noxious plant populations. <br />Livestock Grazing Controls <br />Livestock grazing kill be restricted during operations and the reclamation liability period. Timing <br />of grazing will be deterniined jointl}~ by LCC and the CDMG. Livestock damage to revegetation <br />will be controlled as necessary by selectise fencing or other management techniques. Normal <br />• range management practices will be used as necessary [u enhance the value of revegetated areas. <br />Revegetation Success Criteria <br />Revegetation success will be based on the comparison of revegetated commwnities to <br />corresponding umnined reference area communities. LCC will utilize an extended reference area <br />(ERAI approach comprised of undisturbed areas within the intensive vegetation baseline imentorv <br />area. il'lap 2.04.10-1 shows the disturbed areas superimposed on the vegetation community rape <br />map. Undisturbed areas form the ERA. <br />LCC will manase extended reference areas to achiese at least fair ranu~e condition. The Las .-~tiimas <br />MRCS has provided two range site descriptions applicable to the soils underling the extended <br />reference areas: Loam.' Foothill (2021 and Shallops Foothill (;~20=4). Annual production during <br />unfavorable sears for these areas is estimated at S00 and 300 Ib/ac. respectively. To achiese fair <br />ranee condition the ARCS su~~eests the Climax Ve~~e[ation should be maintained within the ranuz <br />of 26 to ~0 percent, respectiveh . For Joann' foothill soils, this corresponds to grazing lesels of 0.13 <br />[0 0?a AU~t/ac. for shallo~~ foothill soils. this number ranees from 0.03 [0 0.1 I AL ~[iac. LCC <br />mana~_ement of extended reference areas kill meet these lesels to maintain at least fair rangz <br />conditions. <br />,,,- 2.0~-'I (revised 6/30!9?t <br />Li uv~, ., <br />