. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. /Ч OXYGEN Ð I / \ % 10000 / VA / \ " 100 8000 N/ 90 Р£ !\ ^6000 \ 80 о I , 1 t- / \ ^ / 1 z - / * I а. ' * 77" 1 * 2000 â I \ \ 60 0 I/ кп 7/ Ð/// //Ð /Ð XI XII III V VI VIIй MONTHS к J V J â V 1 1936 1937 Fig. 224а. Seasonal alterations of oxygen content and the development of phytoplankton in the Sea of Azov (Zhukov). I Oxygen; // Fig. 224b. Area of occurrence of oxygen deficiency in summer: 1 Isobaths; 2 Main zone of possible oxygen deficiency (Fedosov).. Plea
. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. /Ч OXYGEN Ð I / \ % 10000 / VA / \ " 100 8000 N/ 90 Р£ !\ ^6000 \ 80 о I , 1 t- / \ ^ / 1 z - / * I а. ' * 77" 1 * 2000 â I \ \ 60 0 I/ кп 7/ Ð/// //Ð /Ð XI XII III V VI VIIй MONTHS к J V J â V 1 1936 1937 Fig. 224а. Seasonal alterations of oxygen content and the development of phytoplankton in the Sea of Azov (Zhukov). I Oxygen; // Fig. 224b. Area of occurrence of oxygen deficiency in summer: 1 Isobaths; 2 Main zone of possible oxygen deficiency (Fedosov).. 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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