On the ratio of biological and aquatic migration of chemical elements in the continental biosphere sector

Автор: Savenko V.S.
Сборник: Processes in GeoMedia — Volume I
Серия: Springer Geology
Том: 1
Год издания: 2020
Издательство: Springer International Publishing AG
Местоположение издательства: Cham, Switzerland
Первая страница: 149
Последняя страница: 158
DOI: 10.1007/978-3-030-38177-6_17
Аннотация: The intensity of biological and aquatic migration of chemical elements within continental sector of the biosphere was quantified. Ratio of the amount of continental runoff of element i to the mass of this element, which during the year is involved on land in the biotic cycle, (βi ) characterizes relation of aquatic and biological migration and is as a quantitative measure of the biotic cycle openness degree. The βi values were determined for various chemical elements. It was established that high degree of the biotic cycle closeness is appropriate for elements that both perform and do not perform certain physiological functions in organisms. It was shown that a relatively low selectivity of biological consumption by plants is observed for most chemical elements. Clearly expressed selective concentration is inherent to P, Mn, Rb, Co, K, Cu, Ba, Zn. Discrimination is peculiar to F, Cl, Br, I, Li, Na, U, Se, Sb.
Добавил в систему: Савенко Виталий Савельевич

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