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Study shows warming waters affecting reproduction of walleye in Upper Midwest lakes

A study from a UW-Madison researcher published Monday in the journal Limnology and Oceanography Letters contends that walleye, one of Wisconsin’s most sought-after fish and one of its tastiest, are not only struggling to survive in warming waters; their reproduction is also being interfered with and has been “unable to keep up with increasingly early and more variable ice-off dates.”