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Zooplankton Study of Lake Sevan as an Indicator of Ecosystem Stability in the Context of Global Climate Change

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Abstract

We have studied the state of the zooplankton community of Lake Sevan in present-day climatic conditions at a relatively stable water level. The taxonomic composition is poor but retains features that were characteristic of this lake even before the beginning of the artificial lowering of the water level (1938) for energy and irrigation purposes. The lake is mesotrophic in zooplankton development indicators, but in some years a low transparency and high values of zooplankton biomass are observed, which is characteristic of eutrophic reservoirs. This is a consequence of an increase in water level and aY possible increase in water temperature under climate change.

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Funding

The work was carried out with financial support from the Belarusian Republican Foundation for Basic Research, agreements B21ARM-006 and B23MS-001, as well as the State Science Committee of the Ministry of Education, Science, Culture, and Sports of the Republic of Armenia, international contest 21SC-BRFFR-1F028, agreement AB-21-10.

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Authors and Affiliations

  1. Scientific and Practical Centre of the National Academy of Sciences of Belarus on Bioresources, Minsk, Republic of Belarus

    V. V. Vezhnavets

  2. Université de Toulouse, LEGOS (CNES/CNRS/IRD/UT3), Toulouse, France

    A. V. Kouraev

  3. Scientific Center of Zoology and Hydroecology, National Academy of Sciences of Armenia, Yerevan, Armenia

    E. Kh. Gukasyan & B. K. Gabrielyan

Authors
  1. V. V. Vezhnavets
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  2. A. V. Kouraev
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  3. E. Kh. Gukasyan
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  4. B. K. Gabrielyan
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Corresponding author

Correspondence to V. V. Vezhnavets.

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Translated by A. Deryabina

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Vezhnavets, V.V., Kouraev, A.V., Gukasyan, E.K. et al. Zooplankton Study of Lake Sevan as an Indicator of Ecosystem Stability in the Context of Global Climate Change. Inland Water Biol 17, 48–58 (2024). https://doi.org/10.1134/S1995082924010188

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