The first global study of agricultural insecticides in surface waters indicates that measured insecticide concentrations (MICs) occur rarely but more than 50% of those detections exceed regulatory thresholds. “This finding indicates that surface water pollution resulting from current agricultural insecticide use constitutes an excessive threat to aquatic diversity,” the researchers conclude. The study was based on a metaanalysis of 838 peer-reviewed studies covering more than 2,500 sites across 73 countries over the past 50 years. It was conducted by researchers at the Institute for Environmental Sciences at the German Koblenz-Landau University.
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