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Nik Rewald, Biological Science Technician, teaches Joanna Gilkeson, Public Affairs Specialist, how to electrofish for sea lamprey in Pendills Creek in upper Michigan.
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USFWS Midwest Region
署名链接:
USFWS Midwest Region on Flickr.com
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公有领域。 免费供个人和商业使用。 无需注明出处。
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人
雇员
密歇根州
invasion
hatchery
lake superior
great lakes
lamprey
field work
invasive species
electrofishing
sea lamprey
upper mississippi river
national fish hatchery
nfh
upper mississippi river national wildlife and fish refuge
people & partners
pendills creek
pendills creek national fish hatchery
monitoring and research
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