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<br />- <br /> <br />IJ0037~ <br /> <br />, -- """'" -- -~,.- <br />need for ish passaae at Hartland diversion IS belna reassesseCl, To orevenl <br />entrainment of adull and subadull endanaered fish into div.ersion~canals. ,fjsh~s~ee~ <br />will be installed at Redlands and perhaps l:iartland! <br /> <br />AS-year research plan to evaluate the effects of the Aspinall Unit on the endangered <br />fishes and their habitat was completed in 1997. During thiS research period, !h... <br />Bure3uof Reclamallon and Western Area Power Administration prOvided test flows, <br />. .",,''-'' '" ""'II' <br />The research Ctllmlrlated With the Service draftinQ now recommendations In 2001, Alter <br />these flow recommendations are final in 2002..Reclamalron will undergo-NEPAand Ihe <br />Service WIn issue a biological opinion in2003" bl"I~lc<'l1 op;r,ion"Ol't,the Of'tl'lItlOf'l-of <br />the-A:'lplnalt-tlmhn-iOO+-: Legal protection of Aspinall releases and State protection of <br />rnstream flows In the Gunnison River willl>e addressed as the biological opinion on the <br />Aspinall Unit is developed <br /> <br />BeginnIng in 1995. the Service experlmentallv s.lockedrilZ,9:,?~~k suc.K,er lnJtJ,e,_..", . <br />Gunnison R,ver near Delta;-B~ Five razorback sucker used the Red!ands fish <br />ladder in summer 200 1. one of which was stocked in 1996, The Slate 01 Colorado <br />stocking plan for razorback sucker was revisedin 2001 to .stock fewer bU"'t'iafger' fish. <br />~-tor-more-~igntfiet'"t.numbeT.\ Olft!l;!mb~d'~~ers-lo-be-s1tld:~ <br /> <br />J 7 DOLORES RIVES. <br /> <br />3.71!IDoortance <br /> <br />The Dolores River is historicl'll habitat of for lhe-Colorado plkeminnow; both adult and <br />young-of.the.year fiSh~, were captured in the 1950's and_1960's, Recent studIes have <br />only documented Colorado pikemlnnow USe in the lower 1 mile of the river (Valdez et al <br />1991 j, Uranium processing facilities operated during the late 1940's through the 1960's <br />severely impacted the river and may have contributed to the decline of ttte Colorado <br />plkemlnnow In the Dolores River drainage, <br /> <br />37,2 RecovervActlons <br /> <br />Recovery actions for the Dolores Riyer q,ralnage have bee~ jiru.!.te9..t2J?:r.~ve:2.~!).~ <br />escaoement Qf nonnative sDO~ fish (e.g., smallfTl?ut~,b},'1i?!MieroDlefl!t.a:QIQ!Jiieil, <br />yellow perch Perea f1flveseens, kokanee salmon OncorhytJchus nerka;-etc-;) from <br />MCPhee Reservoir Environmental contamInant clean.up is being pursued by Slate and <br />Federal agencies Independent of the Recovery Pro9ram. Inflows fram the Dolores <br />River that are necessary to recover the endangered fIshes on the mainstem of Ihe <br />Colorado River will need to be legally pratected €olor3do- h_pre-pe~pll!n- to ~toch <br />€olo,lIdo ptlIeminnow'ln--tI'leD<:lIO'd R"cr, ~toch",g i!eltpeet!:d to begin "'~nd <br />COf!l1-ntJe-tor-5--ye~ba~cd 0" an ev:+!tml1On"tltter 3 )oetl~ <br /> <br />21 <br />