Effect of Natural Dissolved Humic Material on Bioavailability and Acute Toxicity of Fenpropathrin to the Grass Carp,Ctenopharyngodon idellus |
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| Authors: | W. Z. Wu Y. Xu K. -W. Schramm A. Kettrup |
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| Affiliation: | a State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Wuhan, 430072, Peoples Republic of China;c Institute of Ecological Chemistry, GSF-National Research Center for Environment and Health, Ingolstaedter Landstrasse 1, D-85764, Neuherberg, Germany;b Lehrstuhl für Ökologische Chemie und Umweltanalytik, Techn. Universität München, Munich, Germany |
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| Abstract: | The effects of aquatic humic acids on the bioconcentration and acute toxicity of fenpropathrin were evaluated using grass carp,Ctenopharyngodon idellus, in laboratory freshwater systems. The results demonstrated that both bioavailability and acute toxicity decreased in the presence of aquatic humic acid 5 and 10 mg/liter. In addition, the extent of influence increased with increasing concentration of aquatic humic acid. |
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| Keywords: | humic acids fenpropathrin bioavailability toxicity. |
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