DNA survelliance on the Asian Carp

In a paper published in the journal of the Society for Conservation Biology, a team of scientists describe the fascinating ability to scoop a water sample from, say, a lake or river, take it back to the lab, wade through all the swimming genetic schmutz and determine what kind of critters lurk. The process already has detected the Asian Carp closer to the Great Lakes than previously thought. Daaa dum... daaa dum