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Long‐term Changes in Macrozoobenthos of the Gdańsk Deep
Author(s) -
Zmudziński Ludwik,
Osowiecki Andrzej
Publication year - 1991
Publication title -
internationale revue der gesamten hydrobiologie und hydrographie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 52
eISSN - 1522-2632
pISSN - 0020-9309
DOI - 10.1002/iroh.19910760318
Subject(s) - polychaete , fauna , invertebrate , crustacean , period (music) , oceanography , ecology , bivalvia , fishery , marine invertebrates , biology , mollusca , geology , acoustics , physics
The paper presents an analysis of the bottom fauna occurrence in the central part of the Gdańsk Deep in the past four decades. In 53% of the samples there were not any bottom invertebrates at all and they periodically disappeared in every decade. At the beginning of the study period, Priapuloidea, Bivalvia, Crustacea and Polychaeta were present in the bottom fauna communities, while only the two latter groups occurred towards the end of the period and the hemipelagic polychaete Harmothoe sarsi was often noted as the only species of the macrozoobenthos.