Abstract
The interannual changes in the phytoplankton (PP) of the upper and lower parts of the Iriklinsky reservoir during different seasons of the vegetation period are described, depending on the level regime, inflow, discharge of water, and its temperature. The correlations show the leading role of these factors. It was revealed that, in May, an increase in the inflow and water level leads to the depletion of the specific number of phytoplankton species and biomass, in contrast to the situation in July and October, when an increase in these indicators is observed. It is shown that the features of the ratio of the number of species and the biomass of phytoplankton in the upper and lower reaches are related to the level and discharge modes, as well as to water temperature.
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ACKNOWLEDGMENTS
I am grateful to the employees at SaratovNIRO for their assistance in collecting samples.
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This work was performed as part of the State Task no. 076-00005-18-00.
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Translated by V. Mittova
Abbreviations: ChR, Chapaevsky reach; DR, dam reach; PP, phytoplankton; SSR, specific species richness (number of species in the sample).
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Dzhaiani, E.A. Interannual Changes in Phytoplankton of the Iriklinsky Reservoir. Inland Water Biol 13, 549–555 (2020). https://doi.org/10.1134/S1995082920040021
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DOI: https://doi.org/10.1134/S1995082920040021