Biostatistical Data for Stock Assessment Purposes: Present Situation and Suggestions for Improvement












Table of Contents

by

M. Ansa-Emmim1 and D. Levi2

1 Fishery Research Unit, Department of Fisheries, P.O. Box B62, Tema (Ghana)
2 Laboratorio di Tecnologia della Pesca, Molo Mandracchio, 60100 Ancona (Italy)

CECAF/ECAF SERIES/15/2 (En)

PROJECT FOR THE DEVELOPMENT OF FISHERIES IN THE EASTERN CENTRAL ATLANTIC
FISHERIES COMMITTEE FOR THE EASTERN CENTRAL ATLANTIC

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
UNITED NATIONS DEVELOPMENT PROGRAMME

Rome, April 1975

This electronic document has been scanned using optical character recognition (OCR) software and careful manual recorrection. Even if the quality of digitalisation is high, the FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.

Table of Contents

THE EASTERN CENTRAL ATLANTIC FISHERIES DEVELOPMENT PROJECT

1. INTRODUCTION

2. WORK PROGRESS

3. PRESENT STATE OF DATA

3.1 Data of Regional Value
3.2 Major Gaps in Reported Data

3.2.1 Nominal catches
3.2.2 Fishing effort and catch per unit effort
3.2.3 Biological data

4. RECOMMENDATIONS

4.1 Total Nominal Catches
4.2 Fishing Effort and Catch per Unit Effort
4.3 Biological Data

5. CONCLUSIONS

ANNEX 1

ANNEX 2

ANNEX 3

ANNEX 4

ANNEX 5