Analysis of the state of biocenoses that formed in shallow areas of Small Sevan (Armenia) during the period of lake’s water level rise

Abstract

Qualitative and quantitative structures of benthic macro-invertebrates, macrophytes, zooplankton, as well as ichthyofauna and fish parasites of the shallow areas of Small Sevan that flooded as a result of an increase in the lake’s water level are analyzed. It is shown that the most appropriate conditions for the development of hydrobionts were found in the area that was flooded earlier and is directly connected with the lake. In contrast, the worst conditions occurred in the area that was flooded later and is minimally connected with the lake.

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Correspondence to T. V. Vardanyan.

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Original Russian Text © V.L. Asatryan, N.E. Barseghyan, T.V. Vardanyan, H.V. Yepremyan, A.O. Hayrapetyan, M.R. Dallakyan, B.K. Gabrielyan, 2016, published in Biologiya Vnutrennikh Vod, 2016, No. 1, pp. 3–10.

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Asatryan, V.L., Barseghyan, N.E., Vardanyan, T.V. et al. Analysis of the state of biocenoses that formed in shallow areas of Small Sevan (Armenia) during the period of lake’s water level rise. Inland Water Biol 9, 1–7 (2016). https://doi.org/10.1134/S199508291601003X

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Keywords

  • Lake Sevan
  • macrozoobenthos
  • macrophytes
  • zooplankton
  • ichthyofauna
  • water level
  • flooded areas