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...
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