ix
4.3. Détermination de l’âge hypothétique t0 ································································ 46
4.4. La croissance relative : relation taille-poids ··························································· 48
4.5. La croissance pondérale ·················································································· 51
5. Etude de l’exploitation de Coelorinchus caelorhincus. ·················
52
5.1. Etude des paramètres d’exploitation ··································································· 52
5.1.1. Estimation des taux de mortalités Z, M et F ························································· 52
5.1.2. Estimation du niveau d’exploitation E ······························································· 53
5.2. Modèles d’exploitation ·················································································· 53
5.2.1. Modèle rétrospectif de Jones (1983) ································································· 53
5.2.2. Le modèle prédictif de Thompson et Bell 1914 ···················································· 55
Conclusion ····································································································· 59
Références bibliographiques ··············································································· 62
Résumé