Traditional Management of Seaweeds in the District of Léon

Table of Contents

by
P. Arzel

Centre national pour l'exploitation des océans
Centre océanologique de Bretagne
Brest, France

FAO FISHERIES TECHNICAL PAPER
249
FIPP/T249

FAO - FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome, 1984

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.

M-43
ISBN 92-5-102144-9

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© FAO 1984

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Table of Contents

PREPARATION OF THIS PAPER

1. INTRODUCTION

2. HISTORICAL BACKGROUND

2.1 Review of seaweed use

2.1.1 Domestic use
2.1.2 Industrial use

2.2 Review of harvesting regulations

3. TRADITIONAL EXPLOITATION

3.1 The Léon Region
3.2 Seaweed resources
3.3 Means of production

3.3.1 Harvesting methods
3.3.2 Labour force
3.3.3 Production
3.3.4 Fleet transformation

4. SOURCES AND METHODS

4.1 Field inquiry
4.2 Bibliographical research

5. RESOURCE CONSERVATION

5.1 Determining minimal biomass
5.2 Determination of the cutting periods

5.2.1 Seaweed maturity
5.2.2 Perception of need - inserting the harvest in the annual work calendar
5.2.3 Cutting periods
5.2.4 Exploitation rotation

5.3 Control of harvesting practices

5.3.1 Labour
5.3.2 Gears
5.3.3 Prohibited practices

5.4 Substratum maintenance and improvement

5.4.1 Extending the biotope
5.4.2 Protecting the biotope
5.4.3 Eliminating parasites
5.4.4 Prohibited zones
5.4.5 Other direct measures

6. RESOURCE DEVELOPMENT

6.1 Use of drying areas
6.2 Maintenance of the shore

7. RESOURCE ACCESS AND ALLOCATION

7.1 Definition of access to the resource

7.1.1 Driftweed
7.1.2 Shoreweed
7.1.3 Bottomweed

7.2 Allocation regulation

7.2.1 Driftweed
7.2.2 Shore seaweed
7.2.3 Bottomweed

7.3 Social compensation

7.3.1 Days for the needy
7.3.2 Special privileges extended to widows
7.3.3 Regulating competition
7.3.4 Safety measures
7.3.5 Intervention by the Church *

7.4 Conclusions

8. OTHER ASPECTS OF TRADITIONAL MANAGEMENT OF SEAWEED HARVESTING IN THE LEON

9. CONCLUSION

10. BIBLIOGRAPHY

APPENDIX 1: FIELD RESEARCH RESOURCES

APPENDIX 2: RECENT EVOLUTION OF SEAWEED PRODUCTION AND NUMBER OF HARVESTERS

APPENDIX 3: CURRENT REGULATION OF THE MARINE PLANT HARVEST

PAPERS ON PRACTICES OF FISHERIES MANAGEMENT