upper columbia river project fish sampling program · pdf filebeach seine boat electrofishing...

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Upper Columbia River Project

Fish Sampling Program

BackpackElectroshock

BeachSeine

BoatElectrofishing

www.ucr-rifs.com N

BurbotTrap

Gillnet

MinnowTraps

•Over2,300fishwerecollected

•Sixareasspanningtheentirelengthofthesiteweretargeted

•Threedistinctsizeclassesweretargetedwithineacharea:largefish(>12inches),medium(6-12inches),andsmall(<6inches)

•Awiderangeofspeciesweretargetedwithineacharea:walleye,smallmouthbass,burbot,whitefish(lakeandmountain),largescalesuckers,kokanee,rainbowtrout,yellowperchetc…

•Allsampleswereanalyzedformetals(e.g.,mercury)andorganics(PCBs,dioxins/furansetc…)

BeachSeine

BoatElectrofishing

BurbotTrap

Gillnet

HoopNet

MinnowTraps

CO

LLEC

TIO

N M

ETH

OD

S

FishSampleCollection

AreaBoundary

WaterDepthContour

(12minterval)

N

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