SURVEYS OF THE FISH RESOURCES OF NAMIBIA
Preliminary Cruise. Report No 1/91
Part 1. Surveys of the hake stocks
25 January-28 February 1991
Part 2. Surveys of the inshore pelagic stocks
2-22 March 1991












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CRUISE REPORTS “DR. FRIDTJOF NANSEN”

NORAD - FAO/UNDP GLO 82/001

- IMR, Bergen

The "DR. FRIDTJOF NANSEN" RESEARCH PROGRAMME is sponsored by The Norwegian Agency for Development Cooperation NORAD, The Food and Agriculture Organization of the United Nations FAO, and the United Nations Development Programme UNDP. The programme in Namibia is being conducted and planned under agreements between UNDP, Namibian authorities and the Institute of Marine Research, Norway. Its execution is the responsibility of the Institute of Marine Research in cooperation with the appointed Namibian representatives.

Preliminary cruise reports were submitted after the completion of each of Surveys 1 and 2. This cruise report describes the work and some of the findings of the third survey.

© FAO 1991

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Table of Contents

SURVEYS OF THE FISH RESOURCES OF NAMIBIA. Preliminary Cruise. Report No 1/91

PART 1. SURVEY OF THE HAKE STOCKS. 25 January - 28 February 1991

CHAPTER 1. INTODUCTION

1.1 General objectives
1.2 Specific objectives of part 1
1.3 Participation
1.4 Narrative
1.5 Instruments and fishing gear, observations on trawl geometry

CHAPTER 2. HYDROGRAPHY

2.1 The shelf and the slope
2.2 Hydrography

CHAPTER 3. RESULTS OF THE FISHING EXPERIMENTS, CATCH COMPOSITIONS AND BIOMASS ESTIMATES OF HAKES

3.1 Mid-water occurrence of the hake and the effect on the assessments
3.2 Orange River to St. Francis Bay
3.3 St. Francis Bay to Ambrose Bay
3.4 Ambrose Bay to Cunene River
3.5 Juvenile Cape Hake

CHAPTER 4. CONSIDERATION OF THE SURVEY RESULTS

ANNEX 1. SIZE COMPOSITIONS OF MAIN STOCKS

ANNEX 2 RECORDS OF FISHING STATIONS

PART II. SURVEYS OF THE INSHORE PELAGIC STOCKS. 2-22 March 1991

CHAPTER 1. INTRODUCTION

1.1 General objectives
1.2 Specific objectives part II
1.3 Participation

CHAPTER 2. METHODS

CHAPTER 3. THE ENVIRONMENT

3.1 Bathymetry
3.2 Hydrography

CHAPTER 4. DISTRIBUTION AND ABUNDANCE OF PELAGIC FISH

4.1 Distribution
4.1.1 Dolphin Head to Ambrose Bay
4.1.2 Ambrose Bay to Cunene River
4.2 Abundance
4.2.1 Pilchard, anchovy and round herring
4.2.2 Horse mackerel

CHAPTER 5. CONCLUDING REMARKS

ANNEX I, II AND III