Commentaires sur l'etat du stock de germon (Thunnus Alalunga) Nord- Atlantique

This document updates the catch and effort data by age classes of the Spanish and French surface fisheries. Recruitment indices are discussed; recruitment was calculated by using cohort analyses and its relation with a parental stock indicator is also updated. The conclusicn is that the state of the...

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Bibliographic Details
Main Authors: Antoine, L. (Loïc), González-Garcés-Santiso, A. (Alberto)
Format: Report
Language:French
Published: International Commission for the Conservation of Atlantic Tunas (ICCAT) 1982
Subjects:
Online Access:http://hdl.handle.net/10508/1655
Description
Summary:This document updates the catch and effort data by age classes of the Spanish and French surface fisheries. Recruitment indices are discussed; recruitment was calculated by using cohort analyses and its relation with a parental stock indicator is also updated. The conclusicn is that the state of the North Atlantic stock is disturbing. Ce document met à jour les données d'effort et de capture par classe d'âge des pêcheries de surface espagnole et française. Les indices de recrutement sont commentés; le recrutement a été calculé au moyen d'analyses de cohorte, et sa relation avec un indicateur du stock parental est remise à jour. La conclusion est que l'état du stock nord-atlantique ne semble pas inspirer d'inquiétude. Este documento actualiza los datos de esfuerzo y captura, por clases de edad, de las pesquerias de superficie españolas y francesas. Se comentan los indices de reclutamiento, calculados por medio del análisis de cohortes y se actualiza su relación con un índice del stock de adultos. Se llega a la conclusión de que la situación del stock del Atlántico Norte no parece inspirar inquietud.