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<br /> <br />Iloa')'; ': <br /> <br />As a result of concerns e:>:pressed by the Service and other Program particIpants. the <br />CWCS withdrew the baseflow and recovery fiow instream_f1ow filings on the Yampa and <br />COlorado rivers Wl1Illhe recent apprqval_of the r'O!J'r", po" ,.!It,t e~q,,~~~1Ol'l I;'BO <br />for the upper Colorado River I'lbo-te upstream of the GunnIson R,ver t;:Qnfiuence. the <br />Cole., IId~IO', of WildlIfe CDOW staff has been instructed to develop new flow <br />recommendations The current methodolOQy Jormstream now filmgs may not apply to <br />~ ,- <br />warm.water rivers and is undor review by CDOW <br /> <br />Beginning 5 years after the Management Plan and a PBO are completed for the Yampa <br />R,ver, the Recovery Program and CWCS will review the CDOWs new flow <br />recommendahons and the performance progress of the PBO Dunng the fourth year of <br />the fIrst 5-year period. the Recovery Program and CWCB will develop a process for <br />assessing the noeO for further Instream-flow protection for the endangered flshe$. On <br />completion of Ihls reView, a determmation WIll be then be made regarding the need lor <br />additionallnstream_flow protection r..~d~ fOf the endangered fIshes, <br /> <br />I_~ _.- <br />The Recovery Program has e^plo, "d--r-ehebtlif~-o1 evaluatll9 several (ow.leve+h,ead <br />agricultural_water diversion dams on the Yampa River to-pl'O.;de for ~0Iorfld9__ <br />pikemlnnow passage, A variety of e:>:lstmg diversIons ~etween Cralg..ColoraQo; and <br />Dinosaur National Monument were Inventoried In 1994-1995 Several dIversions were <br />Idenllfled as POSSible barners to fIsh mioratlon under certain condItions, However, due <br />10 uncertainties about whether these diversions were in fact barriers to Colorado <br />plkeminnow movement during the migration perIod. a study was conducted to <br />determine threshold flows for adult Colorado pikemlnnow passage on the Yampa River <br />between Craig and DInosaur National Monum?D\..Jrtwas_d_eI~[r:ryiu.e!L!haU~es!; barriers <br />o!~S~nLhttle.ll. ilnv pr.<1-ble~J.q,.!!s_~,ove;m~lJ,t_durinQ'the oeriod~Whel)_.Go!o(adQ <br />pikeminnow migrate 10 and from spawning habitats downslream <br /> <br />'. <br />In studies oflthe Green RIver. researchers documented that young Colorado <br />, ...,- <br />pikeminnow constituted 5% 01 the dlel of northern pIke, even though YOUl)g_C_ol~rado <br />plkemlnnow made up a much smaller portion 01 the avaIlable food base in the river <br />Researchers estimated that a single northern pike could consume 100 or more YO!Jng <br />Colorado pikem.i.l:mow per y~ar Also. nonhern pike are known to prey on native <br />roundtail chub (Gr1a robusta) and may also feed on humpback chubs in the YaI11P~ <br />RIVer Colorado has completed a flshenes management plan for the Yampa River <br />basin. The Recovery Program began removing nonnative sportfish from certain <br />reaches of the Yampa River to more acceptable waters In 1999 <br /> <br />Inllial flow recommendations for the Lillie SnaJ..e River will be developed and <br />9PDOrtumlles lor improvlO9 late summer.early fall base flows will be evaluated in 1999 <br />2002 Inflows Irom the Llllte Snake River In Colorado and Wyoming that are necessary <br />to recover endangered fishes on the lower Litlle Snake and Yampa fivers wilt may need <br />... ,.. ---., - ". ... -,..,-,.-~ . . ~.,.- ... -- ,'- ..... <br />to"t;Je..!.eoallv protected The need for legal protection will bo.reviewed..every,5 year& <br />beginning in 2005. <br /> <br />Colorado h,lls'p'r~p~reda Pla,r:l,tp stock bony tal! in the Yampa River. StOCking ~l(peeled <br />to O',"uf oTbonytail was initiated In 2000: lt~!-tb",(.vl"l,~ a'llitl'lbie'8Hhe8pp,oprI81~lze <br /> <br />15 <br />