| Lyubin Pavel Anatolyevich | PhD, Research Institute for Problems of Ecology and Mineral Wealth Use of Tatarstan Academy of Sciences, 420087, Kazan, Daurskaya st., 28, plubin@mail.ru |
| Berdnik Sergey Vladimirovich | Research Institute for Problems of Ecology and Mineral Wealth Use of Tatarstan Academy of Sciences, 420087, Kazan, Daurskaya st. 28, svberdnik@mail.ru |
| Lyubarsky Dmitry Sergeevich | Research Institute for Problems of Ecology and Mineral Wealth Use of Tatarstan Academy of Sciences, 420087, Kazan, Daurskaya st. 28, lds57@mail.ru |
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Keywords: zooplankton community Naberezhnye Chelny Chelna Melekeska cluster analysis saprobity index trophic index assessment of self-purification level |
Summary: In September 2018, comprehensive hydrobiological studies were carried out in the water bodies of Naberezhnye Chelny in order to determine the current state of the Chelna and Melekeska rivers. The analysis of the state of zooplankton communities showed a generally favourable picture. The trophic level corresponds to α- and β-oligotrophic waters. The saprobity index showed that most of the surveyed areas can be attributed to the β-mesosaprobic zone of moderately polluted waters. At the same time, there are also areas that can be attributed to the oligosaprobic zone – clean waters. Self-purification of water by zooplankters in the Melekeska River can be characterized as active, and in the Chelna River - as weakened. © Petrozavodsk State University |
Received on: 13 March 2019 Published on: 06 October 2019 | |
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