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Some peculiar features of the hydrochemical regime and the fauna of mesohaline waters

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Abstract

The information available reveals pronounced changes in the ion ratio when marine and fresh waters are mixed. The critical salinity has been shown to be about 5%. in the Kara, White, Baltic, Azov, Black and, probably, Caspian Seas, and British Columbia. Corresponding results were obtained in experimental mixings of White Sea waters with a variety of fresh waters. A close connection is suggested between mixed water hydrochemistry and the existence of an eco-physiological barrier. This barrier divides, at salinities of 5 to 8%., the two basic types of aquatic animals into marine and freshwater representatives.

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Author notes

  1. V. V. Khlebovich

    Present address: White Sea Biological Station, Zoological Institute, Academy of Sciences of the USSR, V-164, Leningrad, USSR

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    1. V. V. Khlebovich
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    Communicated by M. E. Vinogradov, Moscow

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    Khlebovich, V.V. Some peculiar features of the hydrochemical regime and the fauna of mesohaline waters. Marine Biol. 2, 47–49 (1968). https://doi.org/10.1007/BF00351637

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