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<br />--- ~ <br /> <br />SENl' BY: <br /> <br />12-13-93: :10:07AM.: tITAH WILDLIFE RES.-+ <br /> <br />303-236-0027;# 2114 <br /> <br />C:Ot,(l!U\tlO RIVER PIllllBS l\I!lCOVI!IlY PROGRAM <br />I'Y 92 NlIlUlUo llUOR~ <br />DECSMBDR 11, 1991 <br /> <br />I. Recovary program P~jaQt Nuabarl 18-a <br />Ir. Title at projeot. <br /> <br />~.Yaar Flam~na ~orgg flaw RGcommQndAtion8' Non-nativ. tiDh manaqAmQAt <br /> <br />ltl, prinoipal IAveBtiga~rel <br /> <br />Lao Lentsch. UtAh Diviatoh of Wildlife Reeource. <br />Todd Crowl:, Utah Stats Univaraity <br /> <br />IV. Study Dnh.aul., July 199~ - ~uly 1994 <br />a. Ioitial y.ar. 1992 <br />b. 'ioal rear. 1993 <br /> <br />v. St...dr Ooala, objeotivea and IIhd l'rod..ot., <br /> <br />I} rdantify and asa.aa factora that limit the dietrtbution and ~~d4noe oC <br />all non-aalmonLd-non-native fiahe. by using a life bi~tory and zOOgeographioa~ <br />pBnpactiv". <br /> <br />2} Evaluate ths potantial impaot of northern pike On YOY COlorado squawfish in <br />the Green niver, utan. <br /> <br />3) Identify and evaluate potential metnods fOr a.lactively controllinq the <br />i~pact8 of ocn-nativ.. fiahae on th.. endangered fia~. <br /> <br />VI. Bow this study ooatrlbutes towarda recovery aDd are tho.. goaLs ~ipg <br />~t.,. <br /> <br />Sucoeseful management' of the endangocad Oolorado River fiah a.pand. on <br />rsduainq intsractions with non-native fish. This study is de.igned to give <br />the program guidance on how acme of thoee interaotiona ,may ha reduced. <br /> <br />VII. ~Y 92 ~s.k. snd Deliverablsal <br /> <br />TaSk 1) conduct litsratur. cevlaw to summari.e faetors limiting nan-native <br />fieh lsrge aaale distri~utions. <br /> <br />Taek 2) ADases' impacts ot northern pike <br /> <br />a) Capture northern' pike in the Green River bstween the Yampa Bnd <br />Duchesne Rivers Artd implant with ~~io taqe for assessment ot movement <br />pattarns and habitat Qoe. <br /> <br />b) ABSGSS prey ael.otion and growth of no~hern pike. <br /> <br />cl EDtlmate fish consumption req..ired for obaerved growth <br />parametera. <br /> <br />~aGk Jl conduct literature review to develop work plan outlining alternative <br />~ethcds of control snd feaaibility analyeis. <br />