Section

Environmental Safety Construction and Town Economy

Title

VARIABILITY OF CONCENTRATION OF MICROELEMENTS IN PHYTOPLANKTON COMMUNITIES IN COASTAL ZONE OF THE SEVASTOPOL CITY (CRIMEA) AND ITS FEATURES

Сontributors

P. S. Nekhoroshkov, Junior Researcher at the Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, This email address is being protected from spambots. You need JavaScript enabled to view it.,

M. V. Frontasyeva, Cand. of Phys. and Math. Sc., Head of Sector at the Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, This email address is being protected from spambots. You need JavaScript enabled to view it.,

Yu. N. Tokarev, D. of Biol. Sc., Professor, Scientific Supervisor of the Institute of Marine Biological Research, Sevastopol, This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

The assessment of variability of concentration of 40 elements in microphytoplankton in coastal zone of Sevastopol (Crimea, RF) by using of neutron activation analysis. The groups of elements which associated with terrigenous such as siderophilic (Fe, Co, Ni) and lithophilic (Zr, Cs, W, U), and associated with ones that have anthopogenic origin (Cu, Zn, Ag, Au) were identified. The most variable elements in phytoplankton during several days were found in deep water zone (20—70 m of depth) for summer- autumn and winter period in comparison with shallow water zone (less than 10 m of depth). The tech-nique of assessment of proportion of elements of terrigenous origin, which are incorporating in com-pound of phytoplankton in process of resuspension of bottom sediments, and the biological microele-ments was discussed.

Keywords

phytoplankton, microelements, neutron activation analysis, enrichment factor.

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