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  •   SEAFDEC Institutional Repository (SIR)
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  • 04 Technical Publications and Reports on Fishery Management and Enhancement
  • Resources Enhancement
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  • Proceedings of the International Workshop on Resource Enhancement and Sustainable Aquaculture Practices in Southeast Asia 2014 (RESA)
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  •   SEAFDEC Institutional Repository (SIR)
  • 01 SEAFDEC Publications
  • 04 Technical Publications and Reports on Fishery Management and Enhancement
  • Resources Enhancement
  • SEAFDEC/AQD
  • Proceedings of the International Workshop on Resource Enhancement and Sustainable Aquaculture Practices in Southeast Asia 2014 (RESA)
  • View Item
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Community-based shrimp stock enhancement for coastal socio-ecological restoration in the Philippines

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AltamiranoJ2015.pdf (373.8Kb)
Date
2015
Author
Altamirano, Jon
Kurokura, Hisashi
Salayo, Nerissa D.
Baticados, Didi
Suyo, Jee Grace
Ishikawa, Satoshi
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Abstract
The reality of declining quality of coastal areas has been evident for many developing countries, especially in Southeast Asia. In the Philippines, rural coastal zones and estuaries are now being characterized by declining wild fisheries resources and degrading environment. This paper presents, as an example, the typical rural coastal towns of New Washington and Batan in Aklan province, Philippines and showcases how the concept of shrimp stock enhancement can provide incentives to restore the environment and provide sustainable fishing livelihood in the area.

The New Washington-Batan Estuary in northeast Panay Island, Philippines was a productive fishing ground that has been in a state of degenerating brackishwater fisheries and estuarine environment. Average daily catch composed of various species decreased from 24 kg in 1970s to 0.7 kg at present. Shrimp fisheries, the most important livelihood, declined in quality and quantity. The highly-priced and once very abundant tiger shrimp Penaeus monodon was replaced with smaller-sized and lower-priced species like the Metapenaeus ensis. These can be attributed to the conversion of 76% of mangroves to culture ponds in the past 50 years and more than 400% increase in fishing gears since the 1990s. The need to reduce fishing structures and rehabilitate mangroves is evident. However, these drastic changes directly affect fishers livelihood. This paper explores the prospects of P. monodon stock enhancement as positive reinforcement for the estuary s rehabilitation. Number of gears per fisher may have to be reduced but shrimp catches will be relatively high-priced. Simulations with additional tiger shrimp caught due to stock enhancement show that fishers can increase income by more than 4 times from their current PhP 34 gear-1 day-1. Campaigns on the importance of mangrove especially as shrimp habitat can encourage local communities to reforest the estuary especially in abandoned ponds. With effective management, law enforcement, and sustained support from different sectors, shrimp stock enhancement can be a positive strategy in estuarine rehabilitation and livelihood sustainability in the New Washington-Batan Estuary.
URI
http://hdl.handle.net/10862/2771
Suggested Citation
Altamirano, J., Kurokura, H., Salayo, N. D., Baticados, D., Suyo, J. G., & Ishikawa, S. (2015). Community-based shrimp stock enhancement for coastal socio-ecological restoration in the Philippines. In M. R. R. Romana-Eguia, F. D. Parado-Estepa, N. D. Salayo, & M. J. H. Lebata-Ramos (Eds.), Resource Enhancement and Sustainable Aquaculture Practices in Southeast Asia: Challenges in Responsible Production of Aquatic Species: Proceedings of the International Workshop on Resource Enhancement and Sustainable Aquaculture Practices in Southeast Asia 2014 (RESA) (pp. 159-167). Tigbauan, Iloilo, Philippines: Aquaculture Dept., Southeast Asian Fisheries Development Center.
Subject
environmental degradation ASFA; resource management ASFA; stocking (organisms) ASFA; Sociological aspects; sustainable fishing ASFA; resource conservation ASFA; sustainability ASFA; coastal zone management ASFA; habitat improvement (biological) ASFA; livelihoods ASFA; catch composition ASFA; coastal zone ASFA; socioeconomic aspects ASFA; fishery management ASFA; shrimp fisheries ASFA; Environmental effects; brackishwater environment ASFA; mangroves ASFA; Penaeus monodon; Metapenaeus ensis; Philippines
Taxonomic term
Penaeus monodon
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  • Proceedings of the International Workshop on Resource Enhancement and Sustainable Aquaculture Practices in Southeast Asia 2014 (RESA) [56]

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