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letely dependent on the characteristics razing ear. The proper time is comPhaVe different periods when g fairly small portion of the Y variation in the forest chaxactexisticeriod is the forests and different areas may of the vegetation in much once a proper time P el there will be very s area. Therefore, this drainage and can occur. It is unl hannels to the north of thi n that area or on stream lied to all riparian forests along es such as Box Elder Creek to the east. But it is wel n determined it should be able to be aPP occur can damage the vegetation in these probably adjacent drainag oriod where it can azing outside the P ears to correct. ro ram, allowing gr a require Y ressive weed contxo Purge and Canada forests to an extent that m Y laces both leafy P The last management action needed is an agg odes were not arian corridor. In many F though these sP in and near the rip d s reading rapidly' ost abundant particularly that these species are m completely uncontrolled an P cession axticularly aggressive thistle are investigator's imp s for the ated closely, it was this Unless these two P t erhap investig impacts are most intense this valley, excep P once again, grazing Ve station in ecies could where, nch of the riparian g was taken to control their the wetlands, axe threatened. It is not inconceivable that these wo species are controlled m en uo action ossible. As a wettest of have become elsewhere wh will ever be p they that complete eradication become dominants as it is unlikely oal in such infestations is to reduce t e presence. On the other hand, a reasonable g general rule in weed manage od of two or three years. If that can be achieved much of the difficult for the noxious weeds to invade. gp% over a p it more rocess. But for two population by d make a never ending P is basically ressive and intense. natural vegetation can recover a e this one, uld be very agg Weed management, in situations lik row which may well ost, weed control on this land sho weeds g ears at m rimary habitat where the impacts are to perhaps six Y Mated grazrng razed. Once again, unreg This control also means removal oft e P b these be riparian areas that are intensely g the vegetation throughout the valley' enexally invaded heavily Y causing problems in mining areas axe not g nndance, but these two to note that annuals, may invade in ab ve been most severe. It is interesting articularly impacts ha weeds, P where grazing noxious weeds. Other disturbances may DSO include major ecies seem to be restricted to lands on one perennial sp e and mining seem to be a Comm In time, though, that may Chang infestations, but at this point that path of invasion does no t of Permit Goals the permit AChievemeri whether the goals stated in fining ect of this study was to determine lored in the process of determ The real obj b'ects have been exp aintaining the effort put lot of other su J icture of m ono thing, but if had been achieved. A octant in the bigger P achieving a g°~ is lan. Situp Y anagement actions that and all of those are actually in'mitigation P forth in implementing the wetland l those lessons in future m Page 16 of 23 that effort and then app Y August 2~Q3 we do not learn from _ nA Permit 198811g88