Pesticides and Aquatic Animals: A Guide to Reducing Impacts on Aquatic Systems Authors: Louis A. Helfrich, Extension Specialist, Fisheries and Wildlife Sciences, Virginia Tech; Diana L. Weigmann, Director, Office of Science, Engineering, and Technology, Carson City, Nevada; Patricia Hipkins, Virginia Pesticide Programs, Department of Entomology, Virginia Tech; and Elizabeth R. Stinson, Virginia ...

Macroinvertabrates of San Diego River Reveal All Stream Study is testing for pollution in streams by indentifying macroinvertabrates. I tested water at nearby San Diego River near Old Mission Dam at Mission Trails Regional Park and Campground in San Diego, California. I tested the water at Old Mission Dam six(6) different times during the month of January, 2001. Go to... Purpose Hypothesis ...