A review of bycatch and discard issues in Indian Ocean tuna fisheries
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FAO/IOC ;
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This study, based on official statistics and published material, concentrated on pole-and-line, purse seine and longline tuna fisheries of the Indian Ocean, which, although representing less than half the region’s tuna landings, are the only sectors having sufficient statistical data and governance to permit analysis and the application of mitigation measures. Some new information is also presented on drift gillnet fisheries which have more catch than the other fisheries combined and result in h igh levels of bycatch. It should be noted that, while often having significant non-target catch, artisanal fisheries rarely discard and fully utilize their retained catch. Various Non-governmental organizations (NGOs) have embarked on media campaigns and direct action, pressuring markets to source surface tuna fishery products from pole-and-line and FAD1 -free sources alone.