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水生生物学期刊
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN 打印: 0018-8166
ISSN 在线: 1943-5991

水生生物学期刊

DOI: 10.1615/HydrobJ.v44.i5.70
pages 63-72

Peculiarities of Seasonal Dynamics of Manganese, Cobalt and Chromium Accumulation by the Mollusks Dreissena bugensis (Andr.) nearby City of Kyiv

ABSTRACT

Seasonal dynamics of the manganese, cobalt and chromium content in the soft tissues and shells of zebra mussel Dreissena bugensis from the Dnieper River nearby the River terminal (Kyiv city center) have been investigated. Considerable fluctuations of the soft tissues chemical composition connected with reproductive cycle have been demonstrated. Such seasonal fluctuations of the heavy metals content should be taken into account in the comparative assessment of the results obtained in different seasons. Shells' chemical composition to a great extent depends on the surface deposition on the periostracum. Lack of the noticeable in-year fluctuations of these metals content in zebra mussel shells with periostracum, and manganese and chromium content in the shells without periostracum was noted. This enables their application for the pollution monitoring during all the year.


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