Photo 1 (IMAGE) Helmholtz Centre for Environmental Research - UFZ Caption For two years, researchers studied pesticide contamination in small streams in agricultural landscapes. Credit André Kuenzelmann / UFZ Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.