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Hydrobiological Journal
SJR: 0.217 SNIP: 0.575 CiteScore™: 0.24

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

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v46.i1.20
pages 12-26

Distribution of Macrozoobenthos in the Metarithral of the Salmon River of the Sakhalin Island

V. S. Labay
Sakhalin Scientific and Research Institute of Fishery and Oceanography, Yuzhno-Sakhalinsk, Russia

ABSTRACT

The structure and main communities of macrozoobenthos, and also the quantitative indices of its development, in the metarithral of the Poronay River were investigated. The influence of the speed of water flow, the composition of bottom sediments, and lithodynamic regime on benthos was analyzed. The speed of water flow influences the quantitative characteristics of benthos, whereas the type of bottom sediments and the speed of water flow influence the trophic status of benthos. It has been found that the formation of the types of bottom sediments can be considered as adaptation to lithodynamic regime.