Researchers seek answers to Missouri River fishery decline after 2011 flood


Eric Fowler | Nebraskaland Magazine | NGPC

Research • Mike Hamsa of Yutan, a fishing guide with The Walleye Guys, holds a walleye he caught while fishing on Lewis and Clark Lake State Recreation Area in Knox County.


Biologists are continuing to tag and track walleye and sauger in the Missouri River and Lewis and Clark Lake between Fort Randall and Gavins Point dams as part of an effort to understand declines in the fishery following historic flooding in 2011.

Since 2021, 201 fish have been tagged in the river and reservoir as part of a study of fish movement. The fish sport metal jaw tags, but also have acoustic transmitters implanted in their abdomens. Fifteen receivers spaced every 5 miles throughout the system record any fish that passes within a half mile. So far, 44 fish have bee...

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