Abstract—
Spatial and temporal changes in the species composition and structure of the fish community in one of the typical small rivers of Crimea have been evaluated. It is noted that the economic activity and changes in the water regime, which are mainly due to anthropogenic factors, have led to a more than fivefold increase in the number of fish species, the succession of dominant complexes, a decrease in the species similarity with native communities, and an increase in species diversity indices; the latter is most distinct in those areas where different forms of economic activity have led to the destruction of biotopes and replacement of the riffle zone by the pool zone.
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This research was carried out as part of the programs of the Kovalevsky Institute of Biology of the Southern Seas, Russian Academy of Sciences on theme “Patterns of the Formation of Biodiversity and Biological Resources and Their Anthropogenic Transformation in the Azov–Black Sea basin and Other Areas of the World Ocean” (no. AAAA-A18-118020890074-2).
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Translated by D. Zabolotny
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Karpova, E.P. Dynamics of the Structure and Diversity of Fish Communities in Mountain Rivers of the Crimea Based on the Example of the Alma River. Russ J Ecol 51, 166–173 (2020). https://doi.org/10.1134/S106741362002006X
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DOI: https://doi.org/10.1134/S106741362002006X