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News From the Field

Clear lakes disguise impaired water quality


October 9, 2017

Look at a hundred lakes in the United States' agricultural heartland and you'll likely see green lakes surrounded by green fields. Agricultural fertilizers that help crops grow also fuel growth of algae and cyanobacteria that, in excess, can turn lakes the color of pea soup. Yet, when scientists looked at 13 years of data from 139 lakes in intensively agricultural areas of Iowa, they saw lakes that were surprisingly clear despite extremely high nutrient concentrations. Full Story

Source
University of Minnesota

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