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Scientists walk between hundreds of spawning sockeye salmon in shallow lake at Izembek National Wildlife Refuge, Alaska

By Upper Midwest Water Science Center
Researchers walk between hundreds of spawning sockeye salmon in shallow lake at Izembek National Wildlife Refuge, Alaska
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USGS Upper Midwest Water Science Center hydrologist Laura Hubbard (right, in yellow coat and PFD) and Jordan Wight (left, Memorial University of Newfoundland, Canada) walk between hundreds of spawning sockeye salmon in shallow lake at Izembek National Wildlife Refuge, Alaska as they filter water for avian influenza virus.

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Public Domain.