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

ISSN 印刷: 0018-8166
ISSN オンライン: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v34.i2-3.70
pages 66-72

Effect of Partially Mechanized Dredging on the Zoobenthos of the Eastern Sivash

V. A. Getmanenko
Ukrainian Azov Station of Fisheries Research, Berdyansk, Ukraina
E. G. Yanovskii
Ukrainian Azov Station of Fisheries Research, Berdyansk, Ukraina
G. G. Grout
Ukrainian Azov Station of Fisheries Research, Berdyansk, Ukraina

要約

The effect produced on benthic biocenoses by partially mechanized harvesting of European flounder Platichthys flesus luscus with the aid of dragnets was studied in the Eastern Sivash for three years (1985-1987). The results showed that such harvesting has no significant effect on the zoobenthos as the source of fish food, as floor deposits of the Sivash mainly consist of loose silts that easily pass through the dragnet. No significant changes in average biomass of the zoobenthos were revealed after repeated dredging (four to six times per day).


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