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Effects of an aquatic plant and suspended clay on the activity of fish toxicants

North American Journal of Fisheries Management

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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.

Additional Publication Details

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
First page:
301
Last page:
306
Number of Pages:
6