Asian carp: Tracking eDNA

I had a fascinating talk with Lindsay Chadderton on Wednesday about how he went about doing the eDNA testing for Asian carp around Chicago waterways.

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Chadderton is the aquatic invasive species director of The Nature Conservancy’s Great Lakes Project, and shown here, in a photo by Chris Jerde, taking water samples in downtown Chicago.

That conversation led to my outdoors column in the Sun-Times today.

It was discouraging.

The news was not good, as he reported he believed if they found eDNA, it mieant that a live speciman has been present there within the past 48 hours. As we know, it was announced Tuesday that eDNA of silver carp had been found out to Cal Harbor.

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