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The use of lighted payaos to attract fish has also had a large impact on catch size and profitability, [7] and by the 1980s over 2,000 commercial payaos were being used in the Moro Gulf alone. [8] By this time most other South Pacific nations had payao programs and were seeking to improve their designs for increased durability for use in open ...
A study using sonar in French Polynesia, found large shoals of juvenile bigeye tuna and yellowfin tuna aggregated closest to the devices, at distances of 10 to 50m. Further out, 50 to 150m, a less dense group of larger yellowfin and albacore tuna gathered. Yet further out, to 500m, was a dispersed group of mature tuna.
The Puretic power block is a special kind of mechanised winch used to haul nets on fishing vessels. The power block is a large pulley of aluminium with a hard rubber-coated sheave . While many men were needed for the back-breaking work of hauling a purse seine manually, the same work could be done by fewer men with a power block.
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Resulting from the first FAO Fishing Gear Congress held in Hamburg in 1957. Download PDF (69MB) FAO: (1971) Modern Fishing Gear Of The World 3: Fish finding, purse seining and aimed trawling Fishing News Books. Editor Hilmar Kristjohsson. Download PDF (56MB) Seafood Watch: Fishing gear fact cards Retrieved 23 January 2012.
Most supermarkets were found to be selling tuna caught using drifting aggregating devices (FAD) – a type of trackable fishing gear that drifts freely around the ocean, gathering tuna beneath them.
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