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...
| Main Authors: | , |
|---|---|
| Format: | Report |
| Language: | French |
| Published: |
International Commission for the Conservation of Atlantic Tunas (ICCAT)
1982
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10508/1655 http://hdl.handle.net/10261/328879 |
| 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. |
|---|