Chicago water pollution may be keeping invasive silver carp out of Great Lakes

Read the full story from the University of Illinois College of Agricultural, Consumer and Environmental Sciences.

Invasive silver carp have been moving north toward the Great Lakes since their accidental release in the 1970s. The large filter-feeding fish, which are known to jump from the water and wallop anglers, threaten aquatic food webs as well as the $7 billion Great Lakes fishery. But, for the past decade, the invading front hasn’t moved past Kankakee. A new study suggests that Chicago’s water pollution may be a contributing to this lack of movement.

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