Review of Bee Health

Rising CO2 levels reduce protein in crucial pollen source for bees

April 15, 2016

From: Purdue University

WEST LAFAYETTE, Ind. – Rising levels of atmospheric carbon dioxide have reduced protein in goldenrod pollen, a key late-season food source for North American bees, a Purdue University study shows.

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“Bee food is less nutritious than it used to be,” said Jeffrey Dukes, study co-author and professor of forestry and natural resources and biological sciences. “Our findings also suggest that the quality of pollen will continue to decline into the future. That’s not great news for bees.”

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