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Studying of influence of ions of manganese (II) on reproductive activity, mortality and trophic activity of Daphnia magna

Kamenets A.   (Saratov State Technical University of Y. A. Gagarin)

It is shown that ions of manganese (II) in concentration to 10 mg/l inclusive don't cause acute toxicity of water, and chronic toxicity begins with its concentration in 0,05 mg/l. Fertility and filtrational activity of Daphnia magna decrease in process of increase in concentration of Mn2+. Chloride of manganese (II) exerts greater negative influence on fertility of D. magna in comparison with sulfate.

Keywords:influence, Daphmia magna, concentration, manganese, toxicity, trophic activity, reproductive activity, mortality.
 

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Citation link:
Kamenets A. Studying of influence of ions of manganese (II) on reproductive activity, mortality and trophic activity of Daphnia magna // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2016. -№12. -С. 8-12
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