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<br />and, where pQSSib~le, stretched across the'backwat.er. In backwater <br />areas wider than 12.2m, a_ three-cornered section was.~alocked <br />(.E'igure 11 . Each se.ctian was e.Qaluated: separately. <br />Each section was seined: anc~e_ in: a typical ISMP fashion,- using <br />the standard. ISMF seine.. then successs,ve passes were-.made, <br />depleting the.-populartian until no wore fish were- caught, or ~.0 <br />passes were- complet.ec~ ti'he- final Fes: was made ..with -the block <br />seines to collect fish caught. in .the folds: of..the nets. <br />r-lgure- z. study. design. f€~r sa~li~. of€~ciency testing <br />on. the Green and ~alorad.~_ ~.~ers, 1994 and 1985. <br />On each pass, fish were re~to~e~d~ a-nd held in buckets. Total <br />numbers Q€ fish were cognted,. and id~ti:fie~d to species . ~t the end <br />of- the sa~l:ng session alI fish- were re~rned alive if possible to <br />the backr~ter to amid k~ias- in repeated sampling- irr tie same <br />bawater , <br />Sampli~rg efficie~scy~ ar capture- ~r-oba~ilitY C (g~ r- is e~ressed <br />as a percerntazle, approrx~te~llz represented by the total number of <br />fish collected in the:~~ first seine- haul di~rided by the total fish <br />present iA: the sectian_-_ The data wrere~ analyzed using: C~L~TtJRE, a <br />