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The Global Tuna Alliance (GTA) hopes to rebuild its Indian Ocean yellowfin tuna population in two generations by reducing catches by 25 per cent, sources said on August 3.
the population has been overfished since 2016, with signs that it could collapse as early as 2024.
GTA said that many fleets had not reduced their catches and had actually increased their catches, and that, despite the worrying projections, the management measures implemented by the Indian Ocean Tuna Commission (IOTC) had not proved effective in rebuilding the population.
while management measures require a reduction of about 7 per cent in total yellowfin tuna catches, total yellowfin tuna catches increased by about 9 per cent in 2018 compared to 2014-2015.
Most of the major supermarkets associated with the GTA sell yellowfin tuna from the Indian Ocean, and retailers and suppliers are "firmly committed to sourcing responsible marine products from well-managed fisheries", but the GTA said the yellowfin tuna population did not meet such requirements.
GTA hired consultants to review IOCC data on yellowfin tuna populations in the Indian Ocean and made recommendations to reduce fishing levels required for two generations of reconstruction.
recommendations concluded that there was a need to reduce catches by 25 per cent (as opposed to 2017 catches) and made three specific recommendations: - the first recommendation recommended a 25 per cent reduction in production for all fisheries exceeding the prescribed limits in 2017 or 2018; medium reductions in longline fishing and smaller reductions in other gear, but it increases these reductions and reduces fishing limits and reduces production to include more fisheries;
of the Indian Ocean yellowfin tuna population can only be achieved through the joint efforts of all relevant fleets and countries, the head of the GTA said.
Indian Ocean yellowfin tuna has little time left, and if effective measures are not taken in the coming years, the population could collapse in less than a generation, which would be disastrous for many Indian Ocean-based fishermen and coastal communities.
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