Upper Columbia River Project Fish Sampling Program · PDF fileBeach Seine Boat Electrofishing...

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Upper Columbia River Project Fish Sampling Program Backpack Electroshock Beach Seine Boat Electrofishing www.ucr-rifs.com N Burbot Trap Gillnet Minnow Traps • Over 2,300 fish were collected • Six areas spanning the entire length of the site were targeted • Three distinct size classes were targeted within each area: large fish (>12 inches), medium (6-12 inches), and small (<6 inches) • A wide range of species were targeted within each area: walleye, smallmouth bass, burbot, whitefish (lake and mountain), largescale suckers, kokanee, rainbow trout, yellow perch etc… • All samples were analyzed for metals (e.g., mercury) and organics (PCBs, dioxins/furans etc…)

Transcript of Upper Columbia River Project Fish Sampling Program · PDF fileBeach Seine Boat Electrofishing...

Page 1: Upper Columbia River Project Fish Sampling Program · PDF fileBeach Seine Boat Electrofishing Burbot Trap Gillnet Hoop Net Minnow COLLECTION METHODS Traps Fish Sample Collection Area

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…)

Page 2: Upper Columbia River Project Fish Sampling Program · PDF fileBeach Seine Boat Electrofishing Burbot Trap Gillnet Hoop Net Minnow COLLECTION METHODS Traps Fish Sample Collection Area

BeachSeine

BoatElectrofishing

BurbotTrap

Gillnet

HoopNet

MinnowTraps

CO

LLEC

TIO

N M

ETH

OD

S

FishSampleCollection

AreaBoundary

WaterDepthContour

(12minterval)

N