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WSPC00582
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Last modified
1/26/2010 10:50:44 AM
Creation date
10/9/2006 2:15:40 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.106.I
Description
Colorado River Water Projects - Animas La Plata - Environmental Studies
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
1/1/2005
Author
Unknown
Title
Animas La Plata Project - Mitigation Area - Wetland-Riparian and Wildlife Mitigation - 2004 Annual Report - Reclamation - Managing Water in the West
Water Supply Pro - Doc Type
Report/Study
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />1;;1,17~~ <br /> <br />1.2 Farlo,..lJmillnglhhltatf'unctlon..ndVaiun <br /> <br />There arc six main filClors lhallimil riparian babilal functions within the MA. Firsl. ~tn:amOow <br />div~ion5, prindflUlly for irrigation uses atTeo;llhe amount of surfllCe WDler tbal was bi~\Orically <br />Dvaiiable 10 riparian pianLS growing in lhcriver'sl.oIlC-oF.inJluenec{Fi~util)asevidencedhy <br />exisling remnanl commuoities. Hllwever. groundwater retum Jlows resulting From irrigatilln <br />provide a $<'urceofpererllliaJ now in limilcd urea~ "-ilbin lbe MA. <br /> <br />Flurl.'J. <br /> <br />('ro~~-~t'('lion of tbe La Plaia Rhl.'r Vane. <br /> <br />o.y <br /> <br /> <br />Zon.ofinnu.nc. <br /> <br /> <br />ClllrHouW <br />5a..d~lo... <br />lto.d..,ckl <br /> <br />~Torr... <br />- <br /> <br />'__.""'-lc....."."I........' <br />, 1......- "'_, <br /> <br />.. <br /> <br />SC'Cond,cOnCCI1!tl1tedliveslocko\er-gnuinghasre.Jucc..tslreamhank\'egctalion,therebyeaulilOg <br />nccelerutcdralcsofrivcrhankerosionandlO!1sofrirarianvegclalion. Thellll:kofriparian <br />vegctalionalongthebankslimilssbadinl!oincrea.~ioglbeevaporalionfrom the ground surface <br />which can limit the lIIlllJUnl ofmoi~lure D\'ailable lor pllll1.LS. The removal/control of Ii\'cslock <br />.....ille1iminalelheexcessivcgrazingeITccls1hathaveimractcdootbblll1.kstabilit)'andtbe <br />funcllOnale(1lI<.litionofripmanplanloommunilies. <br /> <br />Third, the inva~ioT1 ofundesirahie, non-native weeds bas greatly alkeled lbe functionai condllion <br />of e~isting riparian habil:lls. In many areas. nallve planl communiticsl1.aw been cllher wblll1y or <br />suhslanti~lly repla.:cU by undc:oJirahlc planl assemhlaj,:~'S" such as tamari~k. RU!i.~ian olive llI1d <br />Russian knapweoo. Riparian planl communities ean only he rcshm:d 10 theIr hlghCOll funclional <br />conditi"n praclicahle wilb a vegelalion management rlan implemenled to control the prel<eflce of <br />ondc:sirahlepiantspecieaandtorestorcdesiTllblcspc<:ies. <br /> <br />Fourth,ccrtainnverreacbeslhalhaveboenaffecloobygrallng_inducedunheallhyvegctalinn <br />removal werc npericncing rapid bank crosion:md the iossofripariao pianlc <Immunities. <br /> <br />.7. <br />
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