Growth of the dusky grouper <i>Epinephelus marginatus</i> (Linnnaeus, 1758) (Teleostei, Serranidae), in the Natural Marine Reserve of Lavezzi Islands, Corsica, France

J. L. Bouchereau; P. Body; C. Chauvet

doi:10.3989/scimar.1999.63n171

Growth of the dusky grouper Epinephelus marginatus (Linnnaeus, 1758) (Teleostei, Serranidae), in the Natural Marine Reserve of Lavezzi Islands, Corsica, France

Authors

J. L. Bouchereau Laboratoire d’Hydrobiologie Marine et Continentale, UMR-CNRS 5556, Université Montpellier II
P. Body Laboratoire d’Hydrobiologie Marine et Continentale, UMR-CNRS 5556, Université Montpellier II
C. Chauvet Laboratoire d’Etude des Ressources Vivantes et de l’Environnement Marin, Université Française du Pacifique

DOI:

https://doi.org/10.3989/scimar.1999.63n171

Keywords:

Serranidae, Epinephelus marginatus, growth, Mediterranean Sea, marine reserve, Corsica

Abstract

The growth of Epinephelus marginatus living in the Natural Marine Reserve of the Lavezzi Islands was studied using the von Bertalanffy model. The growth parameters of this model were: L_?=135.9 cm, K=0.08, t₀=-0.80 years. The relationship between length and weight was W=12.5 10^-2 TL^2.60. Grouper lengths were similar in the Lavezzi Islands and in North Tunisia. The relative abundance of trophic resources in the Lavezzi Islands, due to a positive reserve effect and enhanced by a small population density of groupers, has great consequences on growth, compensating the effect of lower water temperature. A plausible explanation for the similarity between these two populations is that they belong to a single metapopulation.

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Published

1999-03-30

How to Cite

Bouchereau JL, Body P, Chauvet C. Growth of the dusky grouper Epinephelus marginatus (Linnnaeus, 1758) (Teleostei, Serranidae), in the Natural Marine Reserve of Lavezzi Islands, Corsica, France. Sci. mar. [Internet]. 1999Mar.30 [cited 2025Feb.23];63(1):71-7. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/839

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Issue

Vol. 63 No. 1 (1999)

Section

Articles

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