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• areas is necessary. Management measures include control of weeds and <br />pests, reseeding areas as necessary and controlling access to revegetated <br />areas by humans and wildlife. <br />Management of the revegetation parcels will be undertaken in the period <br />between revegetation and final bond release. Management measures will <br />be designed and implemented to ensure the success of revegetation <br />measures. Management measures may include thinning vegetation <br />through fire, mechanical or other means, reseeding or replanting <br />vegetation, weed and pest control, relocating or eliminating undesirable <br />wildlife species, and controlling access and human activities. <br />Weed aad Pest Management <br />As an integral part of the revegetation plan, noxious weeds and plant <br />pests will be managed within the revegetated areas. Weed species to be <br />controlled are identified as those plant species identified by current state <br />statute or regulation as noxious. The species are not listed here as the <br />list of noxious species changes regularly. Plant pests aze defined as <br />those biological species that significantly predate the desirable vegetation <br />of the project site. <br />~ • The presence of noxious weeds and plant pests will be monitored <br />annually during the summer. Management measures will be undertaken <br />where a single or combination of noxious weed species or plant pests <br />comprises or shows a deleterious effect to more than ten (10) percent of <br />the live vegetation. Fl.irther, where noxious weed species or plant pests <br />constitute more than 25 percent relative vegetation cover in an azea of <br />500 square feet or such area shows depredation or plant impacts of the <br />same magnitude, such area will be identified as a patch, and subject to <br />management measures, irrespective of the percentage of overall noxious <br />weed cover in the mitigation area. <br />Noxious weeds or plant pests may be controlled by any combination of <br />cultural, mechanical, biological or chemical measures. Weed control <br />measures will be developed specifically for the noxious weed species <br />encountered and in conjunction with the local weed control district <br />and/or the Colorado State Department of Agriculture. Where noxious <br />weed control measures cause disturbance to the remaining vegetation, <br />seeding or planting of desirable replacement vegetation will occur during <br />the first normal planting or seeding season after weed control measures <br />have been implemented. <br /> <br />National King Coal, LLC King II Mine <br />Section 2.05.4 <br />Page 9 May, 2006 <br />