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• Noxious weed dominance shifted from plumeless thistle to Canada thistle. <br />• the goal of establishing a desirahle and effective vegetation cover does nut appear to have keen <br />achieved; vegetation cover was only'_R°-o in 2001, with -i3°o hart ground. Nun-nuxiousforbs have <br />hcen heavily impacted by the convol program, declining from 37.2°o cover in 19'13 to 5.2°~oeuver in <br />;U01. <br />RF.COMSIF.NDATIONS <br />• Collect cover and densih sample data in 2002, evaluate appropriate IFequency for future data <br />collection hazed on 200? results. Conduct sampling to late Mayrearly June if warranted to <br />accommodate control eflons (e.g. spring goat grazing). <br />• Perform visual reconnaissance late Iv4ay or early June 2002 to evaluate apparent success of 2000 <br />rcvcgctation cffon. and dctennine if resccdin¢ is warranted in 2002. Visually assess nature and extent <br />of noxious weed presence and finalize annual weed convol plan. Perform similar evaluation annually. <br />• l'onsider shifting herbicide upplicutian to fall only, concenvating only on patches of Canada thistle <br />with backpack sprnyer or wick type applicator, to minimize impact to non-target vegetation. <br />• Consider goat grazing early to mid tune, in combination with seeding (employing goad to defoliate <br />weeds and prepare seedbed). <br />• Consider continued mechanical convol to prevent recd production of remnant noxious pl:md by <br />chopping with weed vahip or other appropriate hand tools annually in late June early July, possibly u <br />part of an organized group activity. <br />• lkrcumcm control cllims annualh. <br />Kctcrcncr. _~rr.: ~:~_,? anJ Adjacent ArcasAlong [3elt-lint Corridor <br />CON(LI~SIO\~ <br />Control progmm ohjectives appear to have been met. 1Vithin the reference area, noxious word density <br />declined by over 80° a benvecn 1998 and 2001, with n decline in thistle density of approximately 95°'0. <br />Noxious species cover was reduced from 16.5° o in 1999 to 2.5° • in 2001. <br />A relatively diverse and effective sand of desirable vegetation appears m have become established. A <br />sausfactoq~ vegetation cover of -i6.g°'u was estimated within the reference area in 20n I, with balanced <br />rcprcscntation of a number of perennial grasses andforbs. <br /> <br />Suspend formal monitoring unless conditions change. Perform informal visual reconnaissance <br />monitoring late M1tay%carly Junc each year. <br />Suspend control eflord unless conditions change, er specific problem arras are noted in annual visual <br />inspections. <br />Uocumcnt am• convol eitirns <br />