Abstract
This paper presents the results of studying the species composition, diversity, and dynamics of fish communities from the middle reaches of the Belbek River, one of the small rivers of the Crimean Peninsula, which is actively used to eliminate the shortage of water supply in recent years. The river is currently exposed to significant anthropogenic impact. Trends of change in the structure of the fish community with the economic development of the river have been observed and the main forms of negative environmental impact have been identified. A deterioration in the structure of aquatic communities and a sharp decrease in their diversity have been recorded over a short time period. A decrease in the abundance and a deformation of the population structure of native fish species (Crimea shemaya Alburnus mentoides, Crimean barbel Barbus tauricus, and Salgir gudgeon Gobio krymensis) are also observed. The determining influence of hydraulic engineering and hydrotechnical measures on destructive processes in aquatic ecosystems is shown.
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This study was performed as part of the State Assignment of the Federal Research Center of the Institute of Biology of the Southern Seas (21030100028-0 “Patterns of Formation and Anthropogenic Transformation of the Biodiversity and Bioresources of the Azov–Black-Sea Basin and Other Regions of the World Ocean”).
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Translated by D. Zabolotny
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Karpova, E.P., Statkevich, S.V. & Ablyazov, E.R. Space–Time Variations of Fish Communities from the Belbek River. Water Resour 50, 292–301 (2023). https://doi.org/10.1134/S0097807823020100
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DOI: https://doi.org/10.1134/S0097807823020100