On the presence of the genus Alexandrium Halim (dinoflagellates) in the Bay of Tunis (Tunisia)

During two years (December 1993-November 1995), 17 stations located off Tunis bay, were visited monthly, to identify different species of Alexandrium Halim and to determine the monthly variations of the genus. The biogeographical distribution of the ten species inventoried reveals the first record,...

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Bibliographic Details
Published in:Oceanologica acta Vol. 24; pp. S17 - S26
Main Authors: Daly Yahia-Kefi, O, Nezan, E, Daly Yahia, MN
Format: Journal Article
Language:French
Published: 01-01-2001
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Summary:During two years (December 1993-November 1995), 17 stations located off Tunis bay, were visited monthly, to identify different species of Alexandrium Halim and to determine the monthly variations of the genus. The biogeographical distribution of the ten species inventoried reveals the first record, in the Mediterranean Sea, of A. concavum (Gaarder) Balech and A. kutnerae (Balech) Balech, which were previously identified in Atlantic ocean. The dynamic of Alexandrium shows a high spatio-temporal variability. Maximum of density where observed in July 1994 (295 cells L super(-1)) and in May 1995 (116 cells L super(-1)).
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ISSN:0399-1784