A Report Prepared for the Survey and Identification of World Marine Fish Resources Project: Midwater Trawling Trials for Lantern Fish With the Research Vessel DR. Fridtjof Nansen in the Gulf of Oman, 9 February -1 March 1983












Table of Contents


by

J. Schärfe
Consultant Fishing Technologist

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS

Rome, 1983

FI:DP/GLO/82/001
Field Document 1
November 1983

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.


All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted In any form or by any means, electronic, mechanical, photocopying or otherwise, without the prior permission of the copyright owner. Applications for such permission, with a statement of the purpose and extent of the reproduction, 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 1983

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


1. SUMMARY AND INTRODUCTION

2. BACKGROUND AND ACKNOWLEDGEMENTS

2.1 Background Information
2.2 Acknowledgements

3. TRAWLER AND TRAWLS

4. METHODOLOGY

5. TRAWLING TRIALS AND RESULTS

5.1 Fishing Conditions
5.2 800 mm Meshsize Trawl
5.3 1600 mm Meshsize Trawl
5.4 Trawling with Light

6. CONCLUSIONS AND RECOMMENDATIONS

Appendix 1: Itinerary

Appendix 2: Main Persons Met

Appendix 3: Cruise Map

Appendix 4: Fishing Record

Appendix 5: Krill Trawl - 1420 × 200 = 284 m Circumference

Appendix 6: Harstad Trawl - 1436 × 200 = 287 m Circumference

Appendix 7: Krill Trawl with 800 mm Meshsize Front Part - 422 × 800 = 338 m Circumference (+ 18%)

Appendix 8: Krill Trawl with 1600 mm Meshsize Front Part - 252 × 1600 = 403 m Circumference (+40%)