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The spatial distribution of chlorophyll, as well as the structure and abundance of zooplankton, from three large Volga reservoirs (Rybinsk, Gorky, and Cheboksary Reservoirs) in the summers of 2008 and 2010 has been studied. Factors influencing the pigment content and zooplankton abundance have been analyzed. It has been shown that the concentration of chlorophyll and zooplankton in the abnormally...
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