| Issue № 4 |
Original research |
pdf-version |
Development of planktonic biocenoses of littoral zone under anthropogenic hydrothermal conditions of cooling ponds
| Tashlykova Natalya Aleksandrovna | PhD, Institute of Natural Resources, Ecology and Cryology of the Siberian Branch of Russian Academy of Sciences, 672002, Russian Federation, Chita, PO box 1032, NatTash2005@yandex.ru |
| Afonina Ekaterina Yuryevna | PhD, Institute of Natural Resources, Ecology and Cryology of the Siberian Branch of Russian Academy of Sciences, 672002, Russian Federation, Chita, PO box 1032, kataf@mail.ru |
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Keywords: plankton littoral anthropogenic hydrothermal conditions cooling pond |
Summary: The most noticeable change in the water environment as a result of the operation of the power plant is an increase in water temperature. Any areas that are directly affected by the discharge of heated water can be considered as subjected to a kind of anthropogenic hydrothermal conditions. The study of the relationship between abiotic and biotic parameters of such extreme ecosystems is important for understanding the biological efficiency of ecosystems of hydraulic structures and factors of changes in trophic status. This article analyzes the relationship between the environmental factors of the hydrothermal zone and the main characteristics of the plankton population in the reservoir of the Kharanor RPS and the cooling lake of the Chita Kenon ТPP.
The main factors that determine the development of planktonic biocenoses in the littoral zone of the anthropogenic hydrothermal zone of Lake Kenon are (in descending order of importance) electrical conductivity, pH, total content of dissolved substances and temperature. In the Haranor reservoir they are temperature, transparency, content of nitrates and dissolved oxygen. Cyanobacteria and Cladocera are most sensitive to environmental factors in Lake Kenon, while yellow – green algae, Rotifera and Copepoda are most sensitive in the Haranor reservoir. © Petrozavodsk State University |
Received on: 23 January 2020 Published on: 26 December 2020 | |
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