Acute and Chronic Toxicity of Rotenone to Daphnia Magna PDF Download
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Author: J. J. Rach
Publisher:
ISBN:
Category : Freshwater fishes
Languages : en
Pages : 28
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Book Description
The continued use of rotenone as a fish toxicant depends on the development of information requested by the U.S. Environmental Protection Agency for reregistration. To meet one of the requirements, we exposed Daphnia magna to rotenone in toxicity tests. The no-observed-effect concentration was 1.25 microgram/liter.
Author: J. J. Rach
Publisher:
ISBN:
Category : Freshwater fishes
Languages : en
Pages : 28
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Book Description
The continued use of rotenone as a fish toxicant depends on the development of information requested by the U.S. Environmental Protection Agency for reregistration. To meet one of the requirements, we exposed Daphnia magna to rotenone in toxicity tests. The no-observed-effect concentration was 1.25 microgram/liter.
Author: J. J. Rach
Publisher:
ISBN:
Category : Daphnia magna
Languages : en
Pages : 5
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Author: Leif L. Marking
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 21
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Rotenone is widely used in fishery management for the removal of unwanted fish populations. Its usefulness stems from its high toxicity to fish, low toxicity to mammals, and rapid decomposition in the environment. Its use has been questioned, however, by environmental groups and others who are concerned about the use of chemicals in the environment. The U.S. Environmental Protection Agency (EPA) has requested data needed for the reregistration of rotenone. During the last several years, studies of its toxicity, accumulation, and depuration in fish, mammals, invertebrates, and plants have been completed as part of the EPA requirements. One of the studies required consisted of acute and chronic toxicity tests on Daphnia magna, the organism chosen because it is sensitive to toxic substances.
Author:
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ISBN:
Category : Fishes
Languages : en
Pages : 30
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Author:
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ISBN:
Category :
Languages : en
Pages : 55
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The toxicity to freshwater aquatic organisms of three compounds formed during the continuous manufacturing process for 2,4,6-trinitrotoluene (TNT) was determined. The compounds were 1,3-dinitrobenzene (DNB), 3,5- dinitroaniline (DiNA), and 1,3,5-trinitrobenzene (TNB). Four species of fish (fathead minnow, rainbow trout, channel catfish, and bluegill), one aquatic invertebrate (Daphnia magna), and one alga (Selenastrum capricornutum) were tested. Emphasis was on determining the threshold levels of toxicity to the species found to be most sensitive to the test materials.
Author:
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Category : Fish as food
Languages : en
Pages : 20
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Author: Nora Alison Feniak
Publisher:
ISBN:
Category :
Languages : en
Pages : 280
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Author:
Publisher:
ISBN:
Category : Habitat (Ecology)
Languages : en
Pages : 52
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Author:
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 16
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