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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v46.i6.90
pages 88-106

Content and Forms of Metals Migration in the Water of the Zaporozhye Reservoir

P. N. Linnik
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
V. A. Zhezherya
Institute of Hydrobiology National Academy of Sciences of Ukraine, Kiev
I. B. Zubenko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
A. V. Zubko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine

RESUMO

Results of the study of the content and forms of metals migration (Al, Mn, Cu, Zn, Pb, and Cr) in the water of the upper section of the Zaporozhye Reservoir carried out in 2009 are given in the paper. Long-term investigations have shown that the concentration of metals decreased, which was conditioned by a decrease in the intensity of anthropic load. The peculiarities of the distribution of metals between suspended and dissolved forms, the formation of complexes with natural organic ligands, and also the role of individual groups of dissolved organic matter in the processes of complexation are discussed. It has been found that humus substances, as the most distributed fraction of dissolved organic matter, are of considerable importance in the process of metals binding. The influence of oxygen concentration on seasonal dynamics of manganese content, and also of the content of dissolved organic matter on the distribution of metals among their co-existing forms, is considered.


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