The death of fish in the Bureya River system during autumn migration

Authors

  • Alexandr L. Antonov Institute of Water and Ecology Problems, Khabarovsk Federal Research Centre of the Far Eastern Branch of the Russian Academy of Sciences https://orcid.org/0000-0002-2968-4384

DOI:

https://doi.org/10.33910/2686-9519-2021-13-2-239-244

Keywords:

fish death, autumn downstream migration, subchannel, night frosts, drying out, Bureya River

Abstract

A case of mass death of fish on 1–2 October 2020 in the subchannel mouth of the Bureya River on the territory of the Bureya Natural State Reserve is reported. 69 dead specimens of five species, mainly juveniles, were found: Cottus szanaga (36 specimens), Thymallus grubii (17), Phoxinus phoxinus (13), Brachymystax tumensis (2), and Lota lota (1). The death occurred as a result of a decrease in the air temperature in the catchment over the previous 2 days to –6–7°C, which led to a sharp drop in water and partial drying of the subchannel.

References

ЛИТЕРАТУРА

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Обложка издания "Амурский зоологический журнал" (т. XIII, № 2)

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Published

2021-06-02

Issue

Vol. 13 No. 2 (2021)

Section

Articles

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