Study: Separate Great Lakes and Mississippi River watersheds

11/12/2008 | Chicago Tribune (tiered subscription model)

The Great Lakes and Mississippi River watersheds should be separated to protect the lakes from invasive species, according to a study by the Alliance for the Great Lakes. The watersheds are not naturally connected, but engineers linked them more than 100 years ago through man-made canals. "Invaders like Asian carp are unpredictable, but their effects are catastrophic and irreversible," said Joel Brammeier, the alliance's vice president for policy. "You've got to remove their pathway."

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