(WI) Milwaukee Journal Sentinel - No invasive species has wreaked more damage than the mussels, which feast on Great Lakes plankton and have cost the region billions of dollars in starved fish populations, beach-trashing algae blooms and plugged industrial and municipal water intake pipes. Now, this ecological mess is spreading inland.

“The Great Lakes are just a beachhead for invasions that are going to play out in lakes across the country in the next century,” says University of Wisconsin ecologist Jake Vander Zanden. “It’s just the start.” More