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T_sk 4. e <br />pishries 6 -------- Analgeis <br />The composition of the existing fisher <br />Will be determined through review <br />and through f Y in the wetland <br />g fur field °f Minnesota DNR records <br />understanding that the sampling if necessary. 7t <br />Wetland 893 Minnesota DNR presently is our <br />Minimal overwn an annual basis as e y stocks <br />from inter Aurvival "d f,h d take fishery." <br />stocked fish of stocked fremaining.sh occurs. Part <br />comprised mainlytof bullheads fish population appears to <br />de <br />particularly important to determined{minnows. <br />inhabit the basin It is <br />fish and wildli ' since this easee p presently <br />fe hnbitat z adversely affects both <br />value. <br />The methods required reate 11 viable <br />fishery in this wet -land 'ire orelativel <br />support a heap game fish Po reproducing <br />des ened by y straightforward. To <br />P and have supplementary this wetland must be <br />winter wontns. The following 9 dissolved Oxygen measures wil'_ g fish hab;tat during the <br />6e investigated: improvement <br />Deepening of <br />fuurthherrdredredging <br />the wetland can only be accomplished by <br />, Through coordination with the <br />DNR area fisheries aanager, a determination will be made as <br />to the optimum maximum Minnesota <br />Proportion of the wetland death <br />ombe established <br />conceptual dyed be dee and the <br />conceptual <br />arngtPlan will be developedbasedon these <br />dethe present characterist;es of the basin. <br />Disposal feasibility <br />dredged materiel ;a a critical issue with <br />regard :o the feasibility of additional dredging <br />Proposed diaposit;on of dredge spoil may have a ma <br />on the cost, of dredging,g g The <br />uaed, and the , the tgpe of equipment �Or impact <br />Foot -construction aesthetics . that can be <br />area. We will investigate potential the estimate the quantitydispose locations <br />estimate of materiel die <br />coats. Rased on the foreitoine deposited ' developedation as f 8 analysis,'aand <br />developed. ° the best dred in g g alternative will be <br />2. will <br />reproducingnfisherve necessary to provide n y�ar <br />dep enough e""'cc tt+ia wetland 'found, <br />winter, gh to guarantee overwinter cannot -be dredged <br />r fish depend on dissolved Oxygen survival. During <br />photoEynthesis. Much of this Oxygen g1n Produced b <br />surface waters to des er y plant <br />"turnover" P Portions of a pulled from oxygen <br />Wetland a93or stratification. Hven after further during the fall <br />has v will be too shallow for tur further dredging, y snow blocks sunlightAover to Occur. if <br />photosyntheticallyproduced <br />passing through ice, 7f <br />combined with biological ed oxygen may decline and <br />Sical oxygen demand from when <br />decomposing <br />