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Organophosphorous Insecticide Contamination In Streams: Insects As Bioindicators, Brian M. Andersen
Organophosphorous Insecticide Contamination In Streams: Insects As Bioindicators, Brian M. Andersen
Dissertations and Theses @ UNI
Organophosphorous (OP) insecticides are widely used around the world to control pests. These insecticides can enter streams and rivers and impact nontarget aquatic organisms by inhibiting acetylcholinesterase (ACE), a nervous system enzyme necessary for normal behavior and survival. However, these contamination events are usually brief and often missed by chemical analyses attempting to detect OP insecticides. Although ACE activity has been used as a bioindicator of OP insecticide exposure in humans and wildlife for many years, few studies have investigated using aquatic insect ACE activity as a potential bioindicator of OP insecticide contamination in streams. This study used the mayfly …