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Pico- and Nanoplankton in Aquatic Ecosystems in the Valley of the Lakes and Great Lakes Depression (Mongolia)

  • Aquatic Microbiology
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Abstract

The abundance and biomass of bacterioplankton, phototrophic picoplankton, and heterotrophic nanoflagellates has been determined in lakes, rivers, and reservoirs located in the Valley of the Lakes and Great Lakes Depression (Mongolia). The species richness of the heterotrophic flagellates and their consumption of bacteria are estimated. Pico- and nanoplankton are the most abundant in shallow mineral lakes Orog and Tatsyn and in the freshwater Durgun Reservoir. Heterotrophic nanoflagellates consume 26–92% (on average 66%) of the daily bacterioplankton production. Thus, flagellates are important in the transfer of bacterial carbon to the higher levels of planktonic trophic webs. A total of 30 species and their forms of heterotrophic flagellates from 14 large taxa are identified. The highest species diversity of these protists are found in the Durgun and Taishyr reservoirs.

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Authors and Affiliations

  1. Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, Nekouzskii raion, Yaroslavl oblast, 152742, Russia

    D. B. Kosolapov & N. G. Kosolapova

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  1. D. B. Kosolapov
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  2. N. G. Kosolapova
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Correspondence to D. B. Kosolapov.

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Original Russian Text © D.B. Kosolapov, N.G. Kosolapova, 2018, published in Biologiya Vnutrennykh Vod, 2018, No. 3.

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Kosolapov, D.B., Kosolapova, N.G. Pico- and Nanoplankton in Aquatic Ecosystems in the Valley of the Lakes and Great Lakes Depression (Mongolia). Inland Water Biol 11, 269–277 (2018). https://doi.org/10.1134/S1995082918030094

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