Study shows that potent toxin passes through food chain from lichen to humans via caribou

Monday, April 27, 2015 - 06:30 in Earth & Climate

A new study out of the University of Alberta shows that Arctic oceans are serving as sources of toxic methylmercury to nearby landscapes. The study quantified the amount of methylmercury in lichens, which serve as a primary food source for caribou, the biggest land game animal used as traditional country food by Arctic peoples.

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