Carp DNA: Researchers treat lake
like a crime scene
Welcome to CSI: Lake Michigan. Asian
carp have turned the entire Great
Lakes watershed into a crime scene.
Biologists are now using Asian carp DNA to fight back.
Asian leave behind tiny cells as they move through the water. These cells from fish scales, feces and urine contain DNA and enable scientists to track their movement.
While the CSSC built an electric barrier to stop the carp's advance, carp DNA has been found north of a CSSC barrier.
The fish are now 8
miles from Lake Michigan. Now, the
only thing standing between the carp
and Lake Michigan are a few heavily
used navigational locks, which
conservations want shut down.
The Asian carp crisis has hit the national spotlight and caught the attention of the U.S. Supreme Court and the White House. Congress has ordered the Army Corps of Engineers to study the issue.
"We have to take care of this problem permanently," says Marc Gaden from the Great Lakes Fishery Commission. "We need pure biological separation between the Mississippi River basin and the Great Lakes basin."
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