From the Milwaukee-Journal Sentinel:

The cutting-edge “environmental” DNA sampling method that sparked a multistate lawsuit to force lock closures on the Chicago canal system has for the past year been dismissed by lock closure opponents as a junk tool. A big reason: The science behind it had never been peer-reviewed and published in a scientific journal.

That argument no longer holds water.

On Wednesday, the pioneers behind isolating DNA from water samples to confirm the presence of Asian carp in the Chicago canal system published their article in the peer-reviewed journal Conservation Letters. It asserts the survey tool is not only valid, but also that the risk of an Asian carp invasion of Lake Michigan is imminent. Read more.