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Article

Ecological Parameters of Water Bodies in the Northern Part of the Upper Volga Region with River Flow Regulations

1
Institute of Soil Science and Environmental Protection, Wrocław University of Environmental and Life Sciences, ul. Grunwaldzka 53, 50357 Wrocław, Poland
2
Department of Microbiology, Ryazan State Medical University Named after Academician I.P. Pavlov, Ministry of Health of the Russian Federation, Vysokovolnaya Str., 9, 390026 Ryazan, Russia
3
Department of Epidemiology, Ryazan State Medical University Named after Academician I.P. Pavlov, Ministry of Health of the Russian Federation, Vysokovolnaya Str., 9, 390026 Ryazan, Russia
4
Department of Agronomy and Agrotechnologies, Ryazan State Agrotechnological University Named after P.A. Kostychev, Kostychev Str., 1, 390044 Ryazan, Russia
5
Institute of Animal Breeding, Wrocław University of Environmental and Life Sciences, ul. Chełmońskiego 38C, 51630 Wrocław, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Małgorzata Rajfur
Water 2021, 13(24), 3586; https://doi.org/10.3390/w13243586
Received: 3 November 2021 / Revised: 8 December 2021 / Accepted: 9 December 2021 / Published: 14 December 2021
(This article belongs to the Special Issue Biological Monitoring of Pollution in Water Environment)
The regulation of river flow in the Volga basin has caused irreversible changes to aquatic ecosystems. The transformation of the Volga into a cascade of hydraulic structures with a non-flow regime has resulted in a decrease in depth and flow, and an increase in the temperature and concentration of chemical elements, which has induced the process of eutrophication. The change in the species diversity of aquatic organisms under conditions of intense eutrophication was studied on models of water bodies from the Volga basin; the Kostroma section of the Gorky reservoir (Kostroma spill and the middle river section), and lakes Galichskoe and Chukhlomskoe were studied. Rheophilic biocenosis was replaced by a limnophilic one, the migration paths of fish were disrupted, and population characteristics were changed. In accordance with environmental conditions, the level of primary production and the calculated Carlson trophic index (TSI) and Broth-proposed index (ITS) (1987), the water bodies of the northern part of the upper Volga region are classified as follows: the middle river section of the Gorky reservoir is mesotrophic-eutrophic (TSI = 55.2, ITS = 16.2); the Kostroma spill is eutrophic with a tendency to hypertrophy (TSI = 67.4, ITS = 6.8); Lake Galichskoe is eutrophic with a tendency to dystrophy (TSI = 63.2, ITS = 8.4), and Lake Chukhlomskoe is hypertrophic with a tendency to dystrophy (TSI = 77.4, ITS = 8.0). In addition, frequent fluctuations in water level, reaching 1 m, have had an adverse effect on inhabitants of the littoral zone including the spawning fish, which may lead to disappearance of some of the region’s most sensitive species. View Full-Text
Keywords: Volga basin; hydro construction; environmental parameters; eutrophication; hydrobionts Volga basin; hydro construction; environmental parameters; eutrophication; hydrobionts
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MDPI and ACS Style

Gałka, B.; Novak, A.; Novak, M.; Vinogradov, D.; Polechoński, R. Ecological Parameters of Water Bodies in the Northern Part of the Upper Volga Region with River Flow Regulations. Water 2021, 13, 3586. https://doi.org/10.3390/w13243586

AMA Style

Gałka B, Novak A, Novak M, Vinogradov D, Polechoński R. Ecological Parameters of Water Bodies in the Northern Part of the Upper Volga Region with River Flow Regulations. Water. 2021; 13(24):3586. https://doi.org/10.3390/w13243586

Chicago/Turabian Style

Gałka, Bernard, Alexandra Novak, Mikhail Novak, Dmitry Vinogradov, and Ryszard Polechoński. 2021. "Ecological Parameters of Water Bodies in the Northern Part of the Upper Volga Region with River Flow Regulations" Water 13, no. 24: 3586. https://doi.org/10.3390/w13243586

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