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