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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v45.i2.50
pages 43-47

Hydrobionts of the Middle Reaches of the Lena River in the System of Monitoring

A. F. Kirillov
Federal Scientific State Institution, Institute of Applied Ecology of the North, Yakutsk, Russia
T. A. Salova
Institute of Biological Problems of the Criolitozone, Siberian Department of the Russian Academy of Sciences, Yakutsk, Russia
V. V. Khodulov
Federal Scientific State Institution, Institute of Applied Ecology of the North, Yakutsk, Russia
Ye. V. Ivanov
Federal Scientific State Institution, Institute of Applied Ecology of the North, Yakutsk, Russia
T. M. Labutina
Institute of Biological Problems of the Criolitozone, Siberian Department of the Russian Academy of Sciences, Yakutsk, Russia
N. Sh. Mamilov
Kazakhstan National University, Almaty, Kazakhstan
I. G. Sobakina
Federal Scientific State Institution, Institute of Applied Ecology of the North, Yakutsk, Russia
V. A. Sokolova
Federal Scientific State Institution, Institute of Applied Ecology of the North, Yakutsk, Russia
N. M. Solomonov
Federal Scientific State Institution, Institute of Applied Ecology of the North, Yakutsk, Russia
Ye. A. Fedorova
Federal Scientific State Institution, Institute of Applied Ecology of the North, Yakutsk, Russia
D. V. Shakhtarin
Federal Scientific State Institution, Institute of Applied Ecology of the North, Yakutsk, Russia

ABSTRACT

A total of 56 taxa of zooplankton, 108 taxa of zoobenthos, and 26 species of fishes was found in the middle reaches of the Lena River. Contamination of the river resulted in the decrease in biological diversity, and also in changes in the structure of zoocenoses. Anomalies were registered in the structure of the organs of fishes. In addition, they were characterized by a rather high content of heavy metals. Results of the study of hydrobionts suggest that the middle reaches of the Lena River are assigned to slightly contaminated water courses.


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