The effect of pollutants on sensory systems and behaviour of aquatic animals |
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Authors: | J. H. S. Blaxter C. C. Ten Hallers-Tjabbes |
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Affiliation: | (1) Present address: Dunstaffnage Marine Laboratory, Scottish Association for Marine Science, P.O. Box 3, PA34 4AD Oban, Argyll, Scotland;(2) Present address: CATO Marine Systems, Oosterweg 1, 9995 VJ Kantens, The Netherlands |
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Abstract: | A wide variety of pollutants (for example, heavy metals, organic compounds such as pesticides, hydrocarbons and oil dispersants, radioactive materials, excessive nutrients, acids, litter, silt, temperature and explosions) can influence the function of sense organs, and so influence behaviour by reducing or changing sensory information reaching the brain. Experiments show that so-called sublethal effects of pollutants occur at much lower concentration thresholds than lethal effects, yet subethal effects may well be lethal in the long term. Although a considerable amount of work has been done on marine invertebrates, practically all the work on fish is on freshwater species. |
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Keywords: | Pollutants sublethal effects aquatic animals sense organs behaviour |
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