Report of the Second Meeting of the Working Group on Sardine (Sardina Pilchardus Walb.)













Table of Contents


held in

Casablanca (Morocco)
10-23 March 1979

and

Dakar (Senegal)
19-22 April 1979

PROJECT FOR THE DEVELOPMENT OF FISHERIES IN THE EASTERN CENTRAL ATLANTIC

FISHERY COMMITTEE FOR THE EASTERN CENTRAL ATLANTIC

CECAF/ECAF SERIES 79/15 (En)

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
UNITED NATIONS DEVELOPMENT PROGRAMME
Rome, September 1980

The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.


The copyright in this book is vested in the Food and Agriculture Organization of the United Nations. The book may not be reproduced, in whole or in part, by any method or process, without written permission from the copyright holder. Applications for such permission, with a statement of the purpose and extent of the reproduction desired, should be addressed to the Director, Publications Division, Food and Agriculture Organization of the United Nations, Via delle Terme di Caracalla, 00100 Rome, Italy.

© FAO, 1980

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Table of Contents


1. INTRODUCTION

2. DISTRIBUTION OF THE SARDINE FISHERY

3. THE HYDROGRAPHY OF THE AREA RELEVANT TO THE LIFE CYCLE OF THE SARDINE

4. BIOLOGY OF THE SARDINE

4.1 General
4.2 Number of vertebrae
4.3 Electrophoresis studies
4.4 Growth
4.5 Age composition of the catches
4.6 Length-weight relationships
4.7 Unit of length measurement
4.8 Spawning and maturity
4.9 Distribution and migration
4.10 Sardine on the Senegal coast
4.11 Conclusions on stock separation

5. THE FISHERIES

5.1 The Moroccan fisheries
5.2 The Spanish fisheries
5.3 Other fleets

6. CATCHES

7. STOCK ASSESSMENT

7.1 Catch and effort analysis
7.2 Biomass estimates by acoustic surveys
7.3 Cohort analysis

8. SUMMARY AND DISCUSSIONS

9. RECOMMENDATIONS FOR FUTURE WORK

REFERENCES

Appendix 1: AGENDA

Appendix 2: LIST OF PARTICIPANTS

Appendix 3: MEAN ANNUAL LENGTH BY AGE FOR SARDINE IN ZONE A AND LENGTH INCREMENTS FOR SARDINE IN ZONE A

Appendix 4: NOTA SOBRE EL CRECIMIENTO DE LA SARDINA (SARDINA PILCHARDUS WALB.) EN AFRICA OCCIDENTAL ENTRE 27°N Y 29°N

Appendix 5: DETERMINACION DE UNA MEDIDA DE ESFUERZO PESQUERO DE LA FLOTA DE CERCO ESPAÑOLA QUE FAENA EN AFRICA OCCIDENTAL

Appendix 6: ESTIMACION DE LA ABUNDANCIA DE SARDINA PILCHARDUS WALB. DE LA ZONA DE PESCA B DE AFRICA OCCIDENTAL DURANTE 1978

Appendix 7: DONNEES SUPPLEMENTAIRES SUR LA PECHE POLONAISE DE LA SARDINE DANS LA REGION DU COPACE

Appendix 8: DONNEES STATISTIQUES ET BIOLOGIQUES ET ETAT DU STOCK DE LA SARDINE (SARDINA PILCHARDUS WALB.) DANS LA DIVISION STATISTIQUE 34.1.3 DU COPACE