CECAF Cooperative Surveys 1986. Preliminary Cruise Reports Dr. Fridtjof Nansen













Table of Contents


Reports on Surveys with the R/V Dr Fridtjof Nansen

April 1987.

Institute of Marine Research, Bergen

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Table of Contents


Cruise no 1, First Part, August 17 - 28, 1986. September 10-12. Sherbro - Bijagos Islands

1. Introduction
2. Narrative
3. Hydrography
4. Fish distribution
5. Fishing experiments
6. Distribution of report and data
APPENDIX I: Abbreviated records of fishing stations
APPENDIX II: Pooled frequency distributions of length of common species

Cruise no 1, Second Part August 28 - September 5, 1986. Intercalibration trials and acoustic survey work, Senegambia

1. Introduction
2. Narrative
3. Ship to ship intercalibration
4. Simultaneous comparative surveys

4.1. Area Cayar - St Louis
4.2. Area south of Dakar; coverage 1st September, Dr F N only
4.3. Area south of Dakar; coverage 2-3 September (Dr FN and LS) and Gambia to Cape Roxo 3-5 September (Dr FN only)
4.4. Biomass estimates

ANNEX I
ANNEX II
ANNEX III. Abbreviated records of fishing stations
ANNEX IV. Pooled frequency distributions of length of common species

Cruise No 2, Guinea Bissau, The Gambia, Senegal and Mauritania, 21 November - 12 December 1986

1. Introduction
2. Fish distribution
Annex 1. Abbreviated records of fishing stations