Editors note: This story is part of a series relevant to the International Joint Commissions biennial meeting next Wednesday and Thursday in Windsor.
Two approaches to keep ravenous carp and other invasive species out of Lake Michigan are gaining ground, but both could be years from completion.
Electrical barriers in the Chicago Sanitary and Ship Canal are the only obstacles keeping silver carp and other aquatic invasive species from entering the lake. The carp could harm native Great Lakes fish that use similar resources. And silver carp can injure boaters when they …

By Jeff Gillies
jeffgillies@gmail.com
Great Lakes Echo
Oct. 1, 2009
Editors note: This story is part of a series relevant to the International Joint Commission’s Oct. 7 and 8 biennial meeting in Windsor.

When Matt Preisser thought he saw a photo of a potential Great Lakes invasive species in a Michigan newspaper, he tracked it down and checked it out.
“The plants in the photo were suspiciously similar to hydrilla,” said Preisser, who works for Michigan’s Aquatic Nuisance Control Program. “It was close enough that I didn’t want to pass it up and miss the chance …