Wednesday, December 17, 2008

Coast Guard OKs barrier to keep Asian carp from Great Lakes

By Dan Egan • Milwaukee Journal Sentinel • December 17, 2008

Less than a week after a group of 29 U.S. senators and representatives wrote a letter demanding answers as to why an electric Asian carp barrier built in 2006 to keep the monstrous fish from invading the Great Lakes hadn’t been turned on, the Coast Guard has given it the green light.

But the agency only wants the barrier to operate at one volt per inch, or one quarter its capacity, which biologists say isn’t strong enough to repel all sizes of fish. Citing safety questions that haven’t been answered after 2 1/2 years of study, the Coast Guard and the U.S. Army Corps of Engineers plan more safety tests this spring with the barrier operating at its maximum strength of four volts per inch. (Full Story)


No comments: