Strong hatches of Saginaw Bay walleye occur when adult alewives are scarce!
Ann Arbor, MI — Recent strong hatches of walleye in Saginaw Bay were most likely a result of low alewife abundance, and not other environmental factors.
http://www.iaglr.org/jglr/release/33/33 ... 18-132.php
Walleye fry survival when adult alewives are scarce
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