Section

Ecology

Title

HEAVY METALS AND SULFUR CONTENT IN BRYORIA CAPILLARIS LICHENS IN THE SURROUNDINGS OF THE NORTH-WESTERN SOLFATARIC FIELD OF MENDELEEV VOLCANO (KUNASHIR, THE KURIL ISLANDS)

Сontributors

A. V. Kordyukov, Ph. D. (Biology), Research Associate, This email address is being protected from spambots. You need JavaScript enabled to view it.,

A. K. Ezhkin, Junior Researcher, This email address is being protected from spambots. You need JavaScript enabled to view it.,

R. V. Zharkov, Ph. D. (Geography), Senior Research Associate, This email address is being protected from spambots. You need JavaScript enabled to view it..

Institute of Sea Geology and Geophysics, Far East Branch of the Russian Academy of Sciences.

Abstract

The results of the studies of different chemical ele-ments (including heavy metals and sulfur) content in the thalluses of fruticose epiphytic lichen Bryoria cap- illaris collected at different distances from northwestern solfataric field of Mendeleev Volcano (Ku- nashir Island) are presented. In the result of regression analysis, the statistically significant inversed exponential relationship is shown between the content of S, Fe, Al, Cu, Pb & Cr and the distance from the most active solfatara is shown in the research. The ranks of heavy metals accumulation by the gross concentration — S > Fe > Al > Cu > Pb > Ni > Cr are determined. Maximal excess of elements content in the impact zone in comparison with control values is regis-tered for S (in 2—5 times), Fe (in 2,3 times) and Al (in 2—3,5 times).

Keywords

lichens, heavy metals, Bryoria capil- laris, pollutants accumulation, Mendeleev Volcano, the Kuril Islands.

References

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