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Photo of mesocosms dosed with different concentrations of a neonicotinoid compound

By Water Resources Mission Area April 2022 (approx.)
Photo of mesocosms dosed with different concentrations of a neonicotinoid compound.
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Detailed Description

Photo of a mesocosm like that utilized in the study (Schmidt and others, 2022). The rocks are colonized with natural stream communities of aquatic insects. Fresh stream water is circulated through the mesocosm, and individual mesocosms are dosed with different concentrations of a neonicotinoid compound.

Sources/Usage

Public Domain.

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Ecological consequences of neonicotinoid mixtures in streams

Neonicotinoid mixtures are common in streams worldwide, but corresponding ecological responses are poorly understood. We combined experimental and observational studies to narrow this knowledge gap. The mesocosm experiment determined that concentrations of the neonicotinoids imidacloprid and clothianidin (range of exposures, 0 to 11.9 μg/liter) above the hazard concentration for 5% of species (0.0
Authors
Travis S. Schmidt, Janet L. Miller, Barbara Mahler, Peter C. Van Metre, Lisa H. Nowell, Mark W. Sandstrom, Daren Carlisle, Patrick W. Moran, Paul M. Bradley
By
Ecosystems Mission Area, Water Resources Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, Wyoming-Montana Water Science Center

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