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Everyone’s Worried about Mississippi River Drought–What About Carp?

January 9, 2013Patrick NunnallyRiversComments Off on Everyone’s Worried about Mississippi River Drought–What About Carp?

Grass CarpMost of the e-chatter on the Mississippi River these days is about dropping water levels and threats to navigation.  But last week the Minnesota Department of Natural Resources made an important announcement concerning efforts to stymie the encroachment of Asian carp up the river.  As reported here and elsewhere, the DNR is recommending that a sound-and-light barrier be constructed at Lock and Dam #1 (Ford Dam) between Minneapolis and St. Paul.  The barrier would not be 100% effective (nothing except permanently closing the lock would be 100% effective) but it would be comparable to the electric barriers now in place on the Chicago Sanitary and Ship canal.  DNR officials expect that the Army Corps of Engineers, which owns and manages the lock, would be very reluctant to allow the electronic barrier, if they did not prohibit it outright.

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