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Russian Journal of Ecology

, Volume 50, Issue 6, pp 560–566 | Cite as

Energy Flows and Phosphorus Turnover in the System of Shallow Reservoir under Anthropogenic Stress

  • S. M. GolubkovEmail author
  • V. P. Belyakov
  • M. S. Golubkov
  • L. F. Litvinchuk
  • V. A. Petukhov
  • Yu. I. Gubelit
Article

Abstract—We investigated the magnitude and intensity of phosphorus turnover and energy flows in the plankton and zoobenthos communities of a shallow, highly eutrophied reservoir. Due to a high degree of reservoir eutrophication, the energy flow through zooplankton significantly exceeded energy flow through zoobenthos. The role of biota in the phosphorus turnover was very high. During the growing season, plankton organisms regenerated 1.5 times more phosphorus than the external load per year, and five times more than the internal load of this element. Maximum value of primary plankton production was observed in the year with the highest rate of phosphorus turnover.

Keywords:

energy balance phosphorus regeneration primary production plankton benthos Sestroretskii Razliv 

Notes

FUNDING

This work was performed and prepared for publication under the State Themes AAAA-A17-117021310121-0 and AAAA-A19-119020690091-0 supported by the Program of Presidium of the Russian Academy of Sciences no 41 “Bio-diversity of Natural Systems and Biological Resources of Russia” (project AAAA A18-118042390186-9).

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • S. M. Golubkov
    • 1
    Email author
  • V. P. Belyakov
    • 2
  • M. S. Golubkov
    • 1
  • L. F. Litvinchuk
    • 1
  • V. A. Petukhov
    • 1
  • Yu. I. Gubelit
    • 1
  1. 1.Zoological Institute, Russian Academy of SciencesSt. PetersburgRussia
  2. 2.Institute of Lake Studies, Russian Academy of SciencesSt. PetersburgRussia

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