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The use of plastic wading pools to simulate lentic environments expedites testing of fish control agents and other pesticides. This method permits replication of a variety of water conditions and benthic substrates and facilitates multiple-parameter testing under biological, physical, and chemical conditions comparable to those in different geographic areas. Similarly, a series of “raceways” or troughs arranged with various substrates can be used to simulate lotic environments complete with pool and riffle ecotypes. Water velocity, temperature, chemistry, and biota can be conveniently controlled to evaluate fish control agents, detoxification rates, and effects on both target and nontarget organisms.
toxicity tests, bioassays, pesticides, herbicides, degradation, fishes, vertebrate pest control
Fishery biologist, U.S. Department of the Interior, Fish and Wildlife Service, La Crosse, Wis.
Fishery biologist, U.S. Department of the Interior, Fish and Wildlife Service, Warm Springs, Ga.
Fish and wildlife biologist, U.S. Department of the Interior, Fish and Wildlife ServiceU.S. Environmental Protection Agency, Washington, D.C.,