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Publication Detail
Concentration of chemical elements by zooplankton of the White Sea
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Leonova GA, Bobrov VA, Bogush AA, Bychinskii VA
  • Publication date:
  • Pagination:
    54, 70
  • Journal:
  • Volume:
  • Issue:
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A technique of net sampling of zooplankton at night in the Kandalaksha and Dvinskii Bays and during the full tide in the Onezhskii Bay of the White Sea allowed us to obtain "clean" samples without considerable admixtures of terrigenous suspension. The absence of elements-indicators of the terrigenous suspension (Al, Ti, and Zr) in the EDX spectra allows concluding that the ash composition of the tested samples is defined by the constitutional elements comprising the organic matter and integument (chitin, shells) of planktonic organisms. A quantitative assessment of the accumulation of a large group of chemical elements (approximately 40) by zooplankton based on a complex of modern physical methods of analysis is presented. The values of the coefficient of the biological accumulation of the elements (Kb) calculated for the organic matter and the enrichment factors (EF) relative to the Clarke concentrations in the shale are in general determined by the mobility of the chemical elements in the aqueous solution, which is confirmed by the calculated chemical speciation of the elements in the inorganic subsystem of the surface waters of Onezhskii Bay. © 2013 Pleiades Publishing, Ltd.
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