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Last modified
7/14/2009 5:02:34 PM
Creation date
5/22/2009 7:40:44 PM
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UCREFRP
UCREFRP Catalog Number
8293
Author
Trammell, M. and T. Chart.
Title
Evaluation of Sampling Efficiency in the Interagency Standardized Monitoring Program (ISMP) for YOY Colorado Squawfish.
USFW Year
1998.
USFW - Doc Type
Moab, Utah.
Copyright Material
NO
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In~ April 1995., in addition to the kxasic seining: procedure, we <br />electroshocked the. b~ockedr s-ectio.~ after a~Z sue} ~?~ ~': ~s <br />eompleted~. Eleetros~ioeking~ produced- from ~. ~s. to Z0'.-8% of the total <br />fish. cagttir~eck in. th.e sectan._ The= YiigY~e~st percentage c~x~erct~d ~y <br />electroshocking was irr the .only- coF~le~ substrate baci€~-ester sa~tp.ed. <br />~e~ated- Sesr~rrg~. was, an= averac~-~ ~6-~ eff~ct~v°e .zr~ rrg all <br />fisix. f rr~ eadYr.. se~cti~ , <br />For: t1ie~- first- saitrplin;g. trip.; aII.. fish were ident:~ed to <br />species and the three- eom~n nor-native cyprinids- ~~T~°} ~ further <br />divded• rxto- adults and: suba~lts- fired shiner ~~yprir-e~:.~a <br />1 utren~s~, sand sY~ine~s- ~ittatraps srtramiaerrs~ , .and, fathead ~nnaw <br />EF~epha~es pramelas-} ~ _ Sec~ase there aEppearec~ to Yre l~:tt:le <br />s.ignifica~tt~. difference i~ zelatve- ahuixdan~e- of tY~e~. species .Qr <br />age classes between- the. first haul and the-- final total., they -were <br />goofed info one NNC" ~~c~~ f6r tie 1~ t trips . <br />For. the ~ttost -co~au species,. sax. egaa•1:.~aeans test.. p~for~d <br />on tlis- percent that each• species- co~tg~ised ~€ the total eoatposi~ton <br />between the. first pass' in each bac~ater, axed: the fFrat co~s~i~ti~n <br />in each., backwater (T.ahLe Z } _ The -~ ..tests i:f the med3:ari pefcentage <br />that ea~eh species makes ug of the total- is significantly- diffe-rent <br />between. the:.. f:i-rst Bass - anr~. the ~ tcrtaL campositiorc ~ •The. sesuits <br />ind-icatec~ that the. .only. com~eon• species- consistently <br />~~errep-resorted on-~.th~ €~~ •se}ne i ~s•=chann~ ash. <br />
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