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<br />FI::I:J 2b 02 MON 11 :"go AM GU l{iver l{ecovery <br />, 0 001410 <br /> <br />l' AX NU, jUj~b~ (j~ ( <br /> <br />r, UiI lU <br /> <br />Ralph Motgenwock <br />Cho:\lrman. <br />Implementation Comminee <br /> <br />r" <br />" " ! I <br />'..1) . q <br />-",'~-~ <br />....;i' <br /> <br />Upper Colorado River <br />Endangered Fish <br />Recovery Program <br /> <br />Roberl Muth <br />Director, <br />Recovery Ptogram <br /> <br />U.S. Fish and Wildli!e Service' P.O, Box 25486 . Denver Federal Cenlcr . Danver, CO 80225 . (303) 969,7322 . Fax (303) 969,7327 <br /> <br />ES/CO River Recovery Program <br />Mail Stop 65115 <br /> <br />FEB 22 2002 <br /> <br />Memorandum <br /> <br />To: <br /> <br />Management Committee, consultants, and interested parties <br />Biology Committee and interested parlies <br /> <br />SlIbjcel: <br /> <br />~:~~:rt MlIth, Director, Uppcr Colorado River Etlf~;;;;-- <br /> <br /> <br />Recommendations for Colorado Pikeminnow and lIwnpback Chub Population <br />Estimates <br /> <br />From: <br /> <br />Attached for YOllr review and comment is a brief description of current protocols and <br />recommendations to revise those protocols for Colorado pikeminnow and humpback chub <br />population estimates. Ten1ative schedules of cstimatcs for each population arc also prcsented. <br />'Ibis was prepared by my office based on presentations and discussions at the Decemher 6-7 <br />population estimates workshop and on follow-up discussions with the principal invcstigators. A <br />revised dran of the entire workshop report ("Statistical Validity and Precision of Population <br />Estimates for Colorado Pikemirulow and Humpback: A Summary oCCurrent Protocols with <br />Recommendations for Revisions") is forthcoming and will include revisions based 011 c.omments <br />from the principal investigators. <br /> <br />I am requcsting that this topic be disCL\sscd by the Biology Committee as soon as possiblc; the <br />next Biology Committee meeting is scheduled for April 16-17, but perhaps an earlier conference <br />call could be arranged (I'll raise tne question during the February 25 Biology Committee <br />conference call). <br /> <br />Please contact me or Tom Czapla i fyou have questions or comments. Thank you lor your <br />attention. <br /> <br />A1tachment <br /> <br />Colorado River E.nergy DistribvlOtS Association' Colorado Waler Congress. Environmental Defense. National Park Service <br />Slalo of Colorado. Stale of Ulah . StalF.l of Wyoming. The Nalura Conservllncy . U.S. Bureau of Reclamation. U.S. Fish and Wildlifo Setvice <br />Utah Water Users Association. Westorn Area Power AdminIstration' Wyoming Waler Association <br />