Preliminary Report on Inventory of Tuna FADs in Mindanao Sea, the Philippines
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Tuna fishery in the Southeast Asian waters has been significantly important for the domestic consumptions as valuable protein resource for most of the countries in the region, as well as for exports to the many parts of the world. The Philippines is one of the largest tuna harvesting countries in the regions using various fishing techniques such as purse seine net for large scale, ring net, drifting longline and hand line. Mindanao Sea as a part of Celebes Sea is one of the important tuna fishing ground located nearby and connecting to the west Pacific Ocean. In the Mindanao Sea, to enhance harvesting of tuna species such as bigeye and yellowfin tunas including some neritic-tuna species such as skipjack and other small pelagic species therefore Fish Aggregating Devices (FADs) has been used in wide areas. Deployment of FADs in the sea where the water depths are around 4,000m are mainly made by fishers. In 2007 the Bureau of Fisheries and Aquatic Resources (BFAR), the Philippines requested SEAFDEC to investigate how impact of the FADs in fisheries resources since especially many young tuna particularly the yellowfin and bigeye tuna were caught in the FADs areas. In connection to the ASEAN-SEAFDEC program on the Information Collection of High Migratory Species in the Southeast Asian Waters in 2007, the inventory survey using the MV SEAFDEC2 in cooperation with the BFAR was conducted in from 19 September – 2 October. The main objective is to make an inventory the fish aggregating devices deployed in the survey areas and to conduct the larval fish survey as well as to collect the oceanographic data using ICTD for further investigation for their relationship. However, the report will focus only inventory of FADs found from the survey.
- Tunas