Monday, February 03, 2014

Monarch Decline Blamed on Changing US Agriculture

Graph of returning migration Monarch Butterflies from

CBS quoted entymologist Lincoln Brower: "The main culprit," he wrote in an email, is now genetically modified "herbicide-resistant corn and soybean crops and herbicides in the USA," which "leads to the wholesale killing of the monarch's principal food plant, common milkweed."

The website has the best in-depth analysis of the triple threat of habitat loss.  What to do?  Plant milkweed!

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