. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. 456 BIOLOGY OF THE SEAS OF THE Caspian species, while 63-8 per cent of the last one consists of marine forms. A. Ostroumov had already pointed out in 1897 that the animal population of the seaward area of the inlet consisted mainly of marine species, which gave place to the ' Caspian' and fresh-water species farther up the inlet ( Fig. 218. Distribution of marine, relict and fresh-water bottom biocoenoses in the delta and the inlet of the Dniester. Biocoenoses: 1 Fresh-water; 2 Relic
. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. 456 BIOLOGY OF THE SEAS OF THE Caspian species, while 63-8 per cent of the last one consists of marine forms. A. Ostroumov had already pointed out in 1897 that the animal population of the seaward area of the inlet consisted mainly of marine species, which gave place to the ' Caspian' and fresh-water species farther up the inlet ( Fig. 218. Distribution of marine, relict and fresh-water bottom biocoenoses in the delta and the inlet of the Dniester. Biocoenoses: 1 Fresh-water; 2 Relict; 3 Marine or relict depending on salinity; 4 Marine (Markov- sky). 70 65 60 55 50 45 40 35 30 25 ?? /5 10 5 0. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Zenkevich, L. A. (Lev Aleksandrovich), 1889-1970. New York, Interscience Publishers
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