Biogeochemical characteristics of natural and technogenic ecosystems of the southern Baikal region

Biogeochemical characteristics of natural and technogenic ecosystems of the southern Baikal region The distribution of chemical elements in plants was studied in natural and technogenic ecosystems of the southern Baikal region. Basic statistical parameters characterizing the contents of a wide range of elements in different soil horizons and plants of the region and the “world land” (average for all the continents) were compared. On the basis of data on the distribution of chemical elements in the soil-plant system, groups of elements differing in the coeffient of biological absorption (C b) were distinguished. Evidence of antagonism between the main biophilous elements and heavy metals accumulating in plants was obtained. Interrelations of K and Na, which play an important role in the regulation of osmotic processes in plants, were analyzed. The phenomenon of potassium replacement by sodium in plants of technogenic ecosystems may serve as a criterion for assessing the phytotoxicity and environmental quality. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Biogeochemical characteristics of natural and technogenic ecosystems of the southern Baikal region

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2000 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Ecology; Environment, general
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1007/BF02764054
Publisher site
See Article on Publisher Site

Abstract

The distribution of chemical elements in plants was studied in natural and technogenic ecosystems of the southern Baikal region. Basic statistical parameters characterizing the contents of a wide range of elements in different soil horizons and plants of the region and the “world land” (average for all the continents) were compared. On the basis of data on the distribution of chemical elements in the soil-plant system, groups of elements differing in the coeffient of biological absorption (C b) were distinguished. Evidence of antagonism between the main biophilous elements and heavy metals accumulating in plants was obtained. Interrelations of K and Na, which play an important role in the regulation of osmotic processes in plants, were analyzed. The phenomenon of potassium replacement by sodium in plants of technogenic ecosystems may serve as a criterion for assessing the phytotoxicity and environmental quality.

Journal

Russian Journal of EcologySpringer Journals

Published: Nov 21, 2007

References

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