On the basis of an analysis of the long-term data of hydrochemical and hydrobiological monitoring of the Novosibirsk reservoir, the mutual influence of the chemical composition of water and qualitative and quantitative characteristics of a zooplankton has been revealed. The influence of the hydrochemical factors on the zooplankton is related to the peculiarities of the hydrological regime of the water basin. High correlations between the quantity of zooplankton and pH values, the concentration of nitrites and nitrates, and the values of 5-day biological oxygen demand (BOD5) are revealed. Three basic parts of the water basin, different in the level of influence of hydrological factors and intrareservoir processes on the hydrochemical and hydrobiological characteristics of the ecosystem of the reservoir, are revealed. It is shown that, as a whole, the intrareservoir processes that occurred in the reservoir improve the quality of water in many hydrochemical indicators.
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Dvurechenskaya et al. (2014) studied this question.
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