Effects of an aquatic plant and suspended clay on the activity of fish toxicants
North American Journal of Fisheries Management
By: P.A. Gilderhus
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Abstract
Rotenone, antimycin, permethrin, pydrin, and Salicylanilide I were tested for their toxicities against fathead minnows (Pimephales promelas) in the presence of Canadian waterweed (Elodea canadensis) or suspended clay. The plants had little effect on the activity of rotenone and antimycin but substantially reduced the activity of permethrin and pydrin (synthetic pyrethroids). Bentonite severely inhibited the activity of all chemicals tested. Salicylanilide I was affected least and pydrin most (27 times as much pydrin was required when I g/liter of bentonite was present in 96-hour tests). The efficacy of the registered fish toxicants rotenone and antimycin is probably not significantly affected by vegetation under field conditions, but is greatly reduced by suspended bentonite clay.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Effects of an aquatic plant and suspended clay on the activity of fish toxicants |
| Series title | North American Journal of Fisheries Management |
| Volume | 2 |
| Issue | 3 |
| Year Published | 1982 |
| Language | English |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | pp. 301-306 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | North American Journal of Fisheries Management |
| First page | 301 |
| Last page | 306 |
| Google Analytic Metrics | Metrics page |