Physiological mechanisms of degradation of fish populations in acidified water bodies |
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Authors: | T I Moiseenko O N Sharova |
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Institution: | (1) Institute of Water Problems, Russian Academy of Sciences, ul. Gubkina 3, Moscow, 119991, Russia;(2) Institute of Water Problems of the North, Karelian Research Center, Russian Academy of Sciences, pr. Uritskogo 50, Petrozavodsk, 185003, Karelia, Russia |
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Abstract: | Disturbances in fish that result from water acidification and related factors are analyzed in the context of generalizations based on the results of experimental and field studies. It is shown that low pH, monomeric aluminum, and other metal ions have an adverse effect on physiological processes in fish and are a major cause of their death in acidified lakes and rivers. The vulnerability of fish to low water pH at different stages of their life cycle and mechanisms of delayed mortality are discussed. |
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Keywords: | water acidification hydrogen ions aluminum fish physiological systems stages of development |
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