Abstract
The features of the floristic composition and dynamics of the biomass of phytoplankton in shallow and deep areas of the Volga reach in the Rybinsk Reservoir have been studied during years with different thermal and water-level regimes (2009–2011). The floristic diversity and biomass of phytoplankton increase with a decrease in depth. The increase in water temperature at low water level stimulates phytoplankton vegetation in the pelagial zone and a decrease in biomass in the littoral zone, while a high diversity of algocenoses is recorded irrespective of habitat. The contribution of filamentous algae and cyanoprokaryotes to the biomass increases in the shallow littoral part; in the open part of the reservoir, the biomass of mixotrophic flagellates decreases. Their abundance, as well as the abundance of zignematales, increases with decreasing depth.
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Original Russian Text © E.G. Sakharova, L.G. Korneva, 2018, published in Biologiya Vnutrennykh Vod, 2018, No. 1, pp. 11–18.
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Sakharova, E.G., Korneva, L.G. Phytoplankton in the Littoral and Pelagial Zones of the Rybinsk Reservoir in Years with Different Temperature and Water-Level Regimes. Inland Water Biol 11, 6–12 (2018). https://doi.org/10.1134/S1995082918010157
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DOI: https://doi.org/10.1134/S1995082918010157