Age and growth of Paracentrotus lividus Lamarck, 1816 (Echinodermata-Echinoidea) in the gulf of Tunis (Mediterranean Sea).

Authors
Sellem, F Langar, H Pesando, D
Citation
F. Sellem et al., Age and growth of Paracentrotus lividus Lamarck, 1816 (Echinodermata-Echinoidea) in the gulf of Tunis (Mediterranean Sea)., OCEANOL ACT, 23(5), 2000, pp. 607-613
Citations number
15
Categorie Soggetti
Aquatic Sciences
Journal title
OCEANOLOGICA ACTA
ISSN journal
03991784 → ACNP
Volume
23
Issue
5
Year of publication
2000
Pages
607 - 613
Database
ISI
SICI code
0399-1784(200009/10)23:5<607:AAGOPL>2.0.ZU;2-O
Abstract
The age of Paracentrotus lividus in the gulf of Tunis was evaluated by anal ysing the natural growth banding in the interambulacral plates from the ora l part of the test. It appeared that growth rates increased in spring and s ummer, and decreased in autumn and winter. The maximum age and diameter wer e estimated to be 8 years and 53 mm respectively, Compared to populations o f Paracentrotus lividus from NW Mediterranean and Atlantic, that of the gul f of Tunis presented a more rapid growth. (C) 2000 Editions scientifiques e t medicales Elsevier SAS.