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Acute toxic effects of two lampricides on twenty-one freshwater invertebrates

Transactions of the American Fisheries Society
Out-of-print
By:  and 
https://doi.org/10.1577/1548-8659(1976)105<322:ATEOTL>2.0.CO;2

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Abstract

We conducted laboratory static bioassays to determine acute toxicity of two lampricides -- a 70% 2-aminoethanol salt of 5,2'dichloro-4'-nitrosalicylanilide (Bayer 73) and a mixture containing 98% 3-trifluoromethyl-4-nitrophenol (TFM) and 2% Bayer 73 (TFM-2B) -- to 21 freshwater invertebrates. LC50 values were determined for 24-h exposure periods at 12.8 C. Organisms relatively sensitive to Bayer 73 were a turbellarian (Dugesia tigrina), aquatic earthworms (Tubifex tubifex and Lumbriculus inconstans), snails (Physa sp.) and (Pleurocera sp.), a clam (Eliptio dilatatus), blackflies (Simulium sp.), leeches (Erpobdellidae), and a daphnid (Daphnia pulex). The invertebrates most sensitive to TFM-2B were turbellarians, aquatic earthworms (Tubifex), snails (Physa), blackflies, leeches, and burrowing mayflies (Hexagenia sp.). Bayer 73 was generally much more toxic to the test organisms than TFM-2B. At lampricidal concentrations, TFM-2B was more highly selective than Bayer 73 against larval sea lampreys (Petromyzon marinus).
Publication type Article
Publication Subtype Journal Article
Title Acute toxic effects of two lampricides on twenty-one freshwater invertebrates
Series title Transactions of the American Fisheries Society
DOI 10.1577/1548-8659(1976)105<322:ATEOTL>2.0.CO;2
Volume 105
Issue 2
Year Published 1976
Language English
Publisher Taylor & Francis
Publisher location London, UK
Contributing office(s) Great Lakes Science Center
Description 5 p.
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Transactions of the American Fisheries Society
First page 322
Last page 326
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