Philippines: Mangrove-friendly aquaculture
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Mangrove areas in the Philippines were once considered vast tracts of wasteland that can be developed into other land uses. The economic "advantages" associated with such exploitation were considered socially "valuable" to human communities. Such advantages and exploitation, however, are now questioned, with the cost to society reevaluated. This paper discusses the factors causing mangrove deforestation with emphasis on aquaculture. Existing and future programs like the government's Coastal Resource Management project for the implementation of mangrove-friendly aquaculture are presented. Research needs and problems affecting mangrove management are likewise discussed.
Aypa, S. M. & Baconguis, S. R. (2000). Philippines: mangrove-friendly aquaculture. In J. H. Primavera, L. M. B. Garcia, M. T. Castaños, & M. B. Surtida (Eds.), Mangrove-Friendly Aquaculture : Proceedings of the Workshop on Mangrove-Friendly Aquaculture organized by the SEAFDEC Aquaculture Department, January 11-15, 1999, Iloilo City, Philippines (pp. 41–56). Tigbauan, Iloilo, Philippines: Southeast Asian Fisheries Development Center, Aquaculture Department. http://hdl.handle.net/10862/1978
PublisherAquaculture Department, Southeast Asian Fisheries Development Center
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ArticleJH Primavera -
Estuarine, Coastal and Shelf Science, 1998 - ElsevierA total of 4845 penaeids belonging to nine species—Metapenaeus anchistus, M. ensis, M. moyebi, M. philippinensis, Penaeus merguiensis, P. monodon, P. semisulcatus, P. latisulcatus and Metapenaeopsis palmensis—were collected by pocket seine monthly over 13 months from mangrove and non-mangrove sites in Guimaras, Philippines. The restricted distribution of the three dominant species—M. ensisandP. merguiensisto the brackish water riverine mangrove, andM. anchistusto the high-salinity island mangrove and tidal flat—is probably related to different salinity and substrate preferences. Abundance and size composition of the major species suggest a strong nursery role for the riverine mangrove (high juvenile densities, relatively small sizes year-round), limited nursery use of the island mangrove (fewer shrimps, larger size ranges, presence of maturing females) and a non-nursery use (e.g. foraging) in the tidal flat. Penaeid recruitment to the river had two peaks in November and May when the average salinity was ∼20 (Practical Salinity Scale) and water temperatures were high (30–31 °C). The spatio-temporal pattern of penaeid species in Guimaras shows partitioning across habitats and seasonal recruitment influenced by physical and biological factors.
magazineArticleJ Primavera -
Fish for the People, 2004 - Secretariat, Southeast Asian Fisheries Development CenterAlthough multilateral agencies in Southeast Asia have long been promoting that mangroves, and other wetlands, are wastelands to be put into better use, such as conversion to ponds. However, there is a need for Mangrove Friendly Aquaculture (MFA) technology in the intertidal forest, or swamp, which does not require the clearing of trees. MFA may be defined on 2 levels: 1) silvofisheries or aquasilviculture, where the low density culture of crabs, shrimps and fish is integrated with mangroves; and, 2) mangrove filters where mangrove forests are used to absorb the excess nutrients in the effluents from high-density culture ponds. A review is made of MFA practices belonging to the first category. Discussion is on a country basis, moving from traditional systems in Indonesia, to the introduced technologies in Indonesia, Vietnam, the Philippines and Malaysia. It is hoped that this review will be of use to scientists, aquaculturists, policy makers and governmental/NGOs interested in making aquaculture more ecologically sound and socially responsible.
Property rights and collective action in the management of mangrove ecosystems: Implications of the adoption of mangrove friendly-aquaculture RF Agbayani - In JH Primavera, LMB Garcia, MT Castaños & MB Surtida (Eds.), Mangrove-Friendly Aquaculture : Proceedings of the Workshop on Mangrove-Friendly Aquaculture organized by the SEAFDEC Aquaculture Department, January 11-15, 1999, Iloilo City, Philippines, 2000 - Aquaculture Department, Southeast Asian Fisheries Development CenterThe SEAFDEC/AQD experience in Malalison Island on the Community Fishery Resources Management Project is well used in the Aklan project on community-based mangrove-friendly aquaculture. The territorial use rights in fisheries that was implemented in Malalison has become a model in investigating property rights regime in state-owned mangrove areas in Ibajay, Aklan. The concept of property rights as a management strategy in arresting the further destruction of mangroves and rehabilitating destroyed mangrove forest requires the collective effort of different users and stakeholders. There is a need to balance environmental conservation and food security in the management of mangrove resources.