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Yale Environment 360: Ammonia emissions from agricultural fertilizers are threatening sensitive ecosystems in U.S. national parks, a study led by Harvard researchers has found. Thirty-eight national parks are seeing nitrogen deposition levels at or above the threshold for ecological damage, the study says. In natural ecosystems, excess nitrogen can disrupt nutrient cycling in soil, cause algal overgrowth, and make aquatic environments acidic. While some of that nitrogen comes in the form of nitrogen oxides (NOx) from......
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Nitrogen from Agricultural Fertilizers Threatening U.S. National Parks
Posted by Washington Post: Juliet Eilperin on October 11th, 2013
Posted in Water Conservation