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Wildlife
Asian carp may be near U.S. Great Lakes
November 21, 2009 07:16 AM - Andrew Stern, Reuters
There are signs Asian carp may have breached barriers designed to keep the prolific fish out of the Great Lakes, which could spell ecological disaster for the vital source of fresh water, authorities said on Friday. Concentrations of DNA discovered by Notre Dame University researchers may indicate the presence of bighead and silver carp upstream from two electrical barriers designed to bottle up the invasive fish.
