. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. GENERAL CHARACTERISTICS OF THE EASTERN SEAS 689 by that for 2°; at that season the isotherm 12° lies close to 40° N latitude, where in summer the 20° isotherm passes. The southern limit of the cold layer is subject to substantial fluctuations over many years (M. Uda, 1955), which have a pronounced effect on biological. Fig. 328a. Diagram of continuous surface currents (summer) (Dobro- volsky, 1948). phenomena. In 1933 this limit passed close to the Kuril Islands; in subse- quent years it moved fart


. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. GENERAL CHARACTERISTICS OF THE EASTERN SEAS 689 by that for 2°; at that season the isotherm 12° lies close to 40° N latitude, where in summer the 20° isotherm passes. The southern limit of the cold layer is subject to substantial fluctuations over many years (M. Uda, 1955), which have a pronounced effect on biological. Fig. 328a. Diagram of continuous surface currents (summer) (Dobro- volsky, 1948). phenomena. In 1933 this limit passed close to the Kuril Islands; in subse- quent years it moved farther and farther southeast, and in 1953 it had moved away between 200 and 500 miles from its position of twenty years 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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