Mesocosm-based estimation of the consequences of complex contamination of a freshwater body by metal salts

B. S. Smolyakov, S. B. Bortnikova, M. V. Zhigula, A. A. Bogush, N. I. Ermolaeva, S. Yu Artamonova

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The dynamics of metal concentrations in the solution, suspension, sediments, and floating plants, as well as functional and structural parameters of phytoplankton and zooplankton were studied. The sorption rate of metals on suspension and the efficiency of their removal into bottom sediments decreased in the series Pb > Cu > Zn > Cd and at increasing proportion of metal aquaions in the solution. The effect of intensive renascence of green algae was recorded from the eighth to tenth day after the metal discharge into the mesocosms. This effect activated a plankton mechanism of metal removal into bottom sediments. The metal discharge led to a strong and stable depression in all groups of zooplankton.

Original languageEnglish
Pages (from-to)333-342
Number of pages10
JournalWater Resources
Volume31
Issue number3
DOIs
Publication statusPublished - 1 May 2004
Externally publishedYes

ASJC Scopus subject areas

  • Water Science and Technology

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