Annual variability of planktonic ostracods (Crustacea) in the South Adriatic Sea

Temporal variability and population structure of planktonic ostracods were investigated for the first time in the South Adriatic Sea during 1996. The maximal total ostracod abundance (1167 ind·100 m−3; 69% juveniles, 18% females and 13% males) was recorded in February. Thirteen species of marine pla...

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Bibliographic Details
Published in:Marine ecology (Berlin, West) West), 2006-06, Vol.27 (2), p.124-132
Main Authors: Brautovic, I, Bojanic, N, Batistic, M, Caric, M
Format: Article
Language:English
Subjects:
Abundance
Adriatic Sea
Archiconchoecia striata
Marine
mesozooplankton
planktonic ostracods
population structure
Porroecia spinirostris
seasonal variability
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Summary:Temporal variability and population structure of planktonic ostracods were investigated for the first time in the South Adriatic Sea during 1996. The maximal total ostracod abundance (1167 ind·100 m−3; 69% juveniles, 18% females and 13% males) was recorded in February. Thirteen species of marine planktonic ostracods were identified. Porroecia spinirostris and Archiconchoecia striata dominated the ostracod assemblage, accounting respectively for 62% and 18% of the total abundance. Their annual peaks were recorded during the cold season, which was the period of their intense reproduction, with favourable temperature conditions and lack of predators. The females surpassed the males in abundance in most species. The presence of the mesopelagic species indicated a strong influence of intermediate layer water masses from the Eastern Mediterranean Sea.
ISSN:0173-9565
1439-0485
DOI:10.1111/j.1439-0485.2006.00090.x