WORKING PAPERS - BOBP/WP/97
The Effect of Artificial Reef Installation on the Biosocioeconomics of Small-Scale Fisheries in Ranong Province, Thailand
by
Hansa et al.
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WORKING PAPERS - BOBP/WP/97 The Effect of Artificial Reef Installation on the Biosocioeconomics of Small-Scale Fisheries in Ranong Province, Thailandby |
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Executing Agency: FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Bay of Bengal Programme Madras, India, 1994 |
| 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. |
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© FAO 2004
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The Government of Thailand felt that installation of suitable Artificial Reefs (ARs) in the coastal waters around the country would contribute towards management of coastal fisheries resources, restrict operation of such efficient methods as trawling in the coastal waters, reduce conflicts among fishermen, and increase opportunities for small-scale fisherfolk to improve their income from fishing. In 1989, ARs were installed in three locations in Ranong Province. The three ARs covered an area of 50.8 km2, about 9-11 km from the shoreline and at depths ranging from 12 to 17m. The Bay of Bengal Programme (BOBP), within the framework of its project RAS/9J/006, Biosocioeconomics of Small-scale Fisheries, agreed to support the implementation of a subproject that would take up as a case study and assess the impact of the ARs by applying biosocioeconomic analytic methods. The investigations between 1991 and 1993 were done under BOBP’s ‘Small-scale Fisherfolk Communities’ project funded by DANIDA and SIDA and the reporting under ‘Bioeconomics of Small-scale Fisheries’ funded by UNDP. This document is a compilation of working documents describing the separate but simultaneously carried out investigations into the suitability of the locations, the environmental conditions around the ARs, colonization of the ARs, enhancement of the resources, the influence of the ARs on the fisheries, and the impact of income changes, if any, on the socioeconomic conditions of the small-scale fisherfolk fishing at the ARs. |
PREFACE
INSTALLATION
OF ARTIFICIAL REEFS
WATER
CONDITIONS AND NUTRIENT CONTENT AT THE ARTIFICIAL REEF SITES
1. INTRODUCTION
2. FINDINGS
3. CONCLUSIONS
COLONIZATION
OF FOULING COMMUNITIES AND ASSOCIATED FAUNA AT THE ARTIFICIAL
REEFS
4. INTRODUCTION
5. METHODOLOGY5.1 Study site and reef structure
5.2 Sampling methods6. FINDINGS
6.1 Physical description of the artificial reef
6.2 Fouling organisms and associated fauna7. CONCLUSIONS
8. REFERENCES
FISH
AGGREGATION AT THE ARTIFICIAL REEFS
9. INTRODUCTION
10. STUDY AREA
11. METHODOLOGY
12. RESULTS12.1 Description of fish aggregations at the artificial reef
12.2 Habitat comparison13. DISCUSSION
14. CONCLUSIONS
15. REFERENCES
SMALL-SCALE
FISHING GEAR USED IN THE ARTIFICIAL REEF AREAS
16. INTRODUCTION
17. METHODOLOGY17.1 Fishing gear survey
17.2 Fishing gear trials
17.3 Fishing gear demonstration18. RESULTS
18.1 Fishing gear survey
18.2 Fishing gear trials
18.3 Fishing gear demonstration19. CONCLUSIONS
20. REFERENCES
BIOECONOMICS
OF SMALL-SCALE FISHERIES IN THE ARTIFICIAL REEF AREAS
21. INTRODUCTION
22. FISHING GEAR AND OPERATION22.1 Trammelnet (TRN)
22.2 Whiting gilinet (WGN)
22.3 Squid trap (SQT)23. FISHING EFFORT, COSTS AND EARNINGS
24. CONCLUSIONS
SOCIOECONOMICS
OF SMALL-SCALE FISHERIES IN THE ARTIFICAL REEF AREAS
25. INTRODUCTION
26. FINDINGS26.1 Changes in number of fishing households
26.2 Changes in fishing methods and fishing gear
26.3 Profile of fishing households
26.4 Income of fishing households and standard of living27. PERCEPTIONS OF FISHERFOLK
28. RESULTS
28.1 Environmental conditions and animal communities
28.2 Impact of ARs on the fishing methods
28.3 Impact of ARs on the performance of small-scale fisheries
28.4 Impact of ARs on fisherfolk and their income
28.5 Awareness and perception of small-scale fisherfolk29. CONCLUSIONS