Assessment of Possible Causes of Changes in Аbundance and Sexual Structure in Populations of Prussian Carp (<Emphasis Type="Italic">Carassius auratus gibelio</Emphasis> Bloch., 1783) |
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Authors: | Yu V Gerasimov A K Smirnov Yu V Kodukhova |
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Institution: | 1.Papanin Institute for Biology of Inland Waters,Russian Academy of Sciences,Borok, Nekouzskii raion, Yaroslavl oblast,Russia |
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Abstract: | The prevalence of processes of the increase in abundance and changes in the sexual structure of Prussian carp populations in waterbodies differing dramatically in ecological properties and distant from each other (Lake Sevan and Rybinsk Reservoir) indicates the presence of global factors affecting climatic zones. The increase in environmental temperature due to global warming may be such a factor. Experimentally proven high thermophilicity and the thermal stability of Prussian carp, as well as its low sensitivity to hypoxia, provide some advantages for this species over many other fish inhabiting the same waterbodies. |
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