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<br />SENT' BY: <br /> <br />1-12-96 <br /> <br />3:1SP/I! <br /> <br />lJfAH W lUlL! FE RES.- <br /> <br />303-236-0027;# 6/12 <br /> <br />*b151W <br /> <br />HAninulated s~te~ <br /> <br />ObjQctLVQ 9. DecQ~irtg tbe ra~ponoee (ralatLve abundanc~, etc.) <br />wlthinq thQ ~lvQr flgn ~nity (natlve and nonnativa 8po~lQD) <br />to11owlng exper~~atlon wlt~ the manipulated gltgg. Notel a <br />B8pl1,rate "COpe of "'Orl<. will l>e guI.a.ittoo for all experim<>ntation <br />within ~Qipulatad sltels}. <br /> <br />End l'z:oduot. <br /> <br />Three ye&r cO<IIplet1cm report that. (1) doou.......to flah uBa'J<' (native <br />v. nonnative) in tloodplain habitats (terraco vQ. dQP~~Qlonr n&tur.: <br />va. applioation) following levee r~val, (2) documents the relative <br />oontribution of fish fOOd organisma to native fishes (food web <br />dynamicg) b<ltween t"=acs va depreasion habitat.., (3) CCIlI1pAree tM <br />po1:8Dtia.l of natural ver8u8 &pplica:tloD .itefl au nursery QrQIlS fOl: <br />endlUl<lered native fishes, and (4) proFO.."e yener..l manaY'"I1Bnt <br />etrats9ies for future floodoo bottomland restoration. <br /> <br />v. s~udr area (river mLle_, if appropriate); <br /> <br />FOr ths first three years of the study, the etudy area will ~ the Green <br />River (from the contluence with the lampa to the co~flUBnce with the <br />Colorado). Jls new oppu'cot.l.on I>OttOlUande come .0n-11.o,,', they will be <br />included. Tutu~e lovee removal effort. will bg directed towards both <br />the Green arA Color&do River ayatems. <br /> <br />VI. study Hetbada/App~o.ch: <br /> <br />The overall strategy for the Levee R~val prQ9rnm ia to reQOva levQG9 <br />tr~ selected floodplain wetlands on a sequential tsmporal and spatial <br />Reale 80 thA ~6~ponse of native fish popula~ion8 csn be carefully <br />c:va.lua.:t:ctd (1!J&8 the L.!tvtlIe ROR1OVoCll 8trateg1c Plan, Laatlfch e-t ell. (1995) <br />for l....ee remov..l details). 1'he "",thads described belOw ",ill be <br />followed after lOToeB have been bre&chadJ~emoved, ftC~Lng in lebruarr <br />1996. Leads have been identified for each pr~ component within thls <br />SOW, bawaver, field cr~~B from all 1rlvol~ed agQnciQ" will ~~rk together <br />~hBnevBr poBsiblea <br /> <br />Methods for each primary component ar.. &s follow.: <br /> <br />~~~lve ffAh Av~'aR~tnn <br /> <br />Rssponae variables to be mQ&GurQd fo~ native fishea are ae follow~t <br />relative abundano8# cohort analysis betwee~ yQar", rsproductLon, <br />rel.ative abundanoe and Domposition of fish food organiarn'l, food ha.bita, <br />30<1 growth rate.. <br /> <br />~ll life .tage. of li.ted ~d native fiahoo will be c~llected from <br />dBslgnated depreeelon and terrace ~tland&, BS well as main chann6t <br />habitats (Table 1). Colleotions will baqin in thQ eprLng to monitor <br />dl~tribution of adults and larv&o in dSBiqnatsd wetl&nd and m~in chanoel <br />haDitats. s~plin9 will begin durin9 the rising 11mb of the .pring <br />hydrograph and continuo until torraca habitat. are dewatored. Following <br />dewatering of tgrrace habitats, Q~pling will contlnua to traok 9rowtb <br />