by Paul A. Smith, Milwaukee Journal Sentinel

By NOAA Great Lakes Environmental Research Laboratory (4080) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

SHEBOYGAN – Scientists last year found a record low biomass of alewives in Lake Michigan, heightening concerns about the balance of predator and prey fish in the lake as well as Wisconsin’s chinook salmon stocking strategy for 2017.

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