Mercury and Selenium are Accumulating in the Colorado River Food Web

ENN
Aug 20, 2015, 10:01 am22 pts
Although the Grand Canyon segment of the Colorado River features one of the most remote ecosystems in the United States, it is not immune to exposure from toxic chemicals such as mercury according to newly published research in Environmental Toxicology and Chemistry. The study, led by the U.S. Geological…

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