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Fish and reefs under siege as feuding South China Sea claimants refuse to cooperate

Marine resources have been fished down to 5 per cent to 30 per cent of their 1950 levels, study finds

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Chinese reclamation work at Fiery Cross Reef in the disputed Spratly Islands in the South China Sea in February 2015. Photo: EPA/Armed Forces of the Philippines

Tensions among China and Southeast Asian countries with territorial claims in the South China Sea are creating a conservation vacuum and taking a heavy toll on the ecology of an area known for its biodiversity, conservationists warn.

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They say the hostility harboured by rival claimants, and the resultant lack of intergovernmental cooperation, has prevented any meaningful projects to combat illegal fishing, the over exploitation of fisheries, poaching of sea creatures and destruction of coral reefs.

Any time one claimant tries to implement a fishery regulation, the other claimants are obliged to protest it
John McManus, University of Miami
The South China Sea, one of the world’s five most-productive fishing zones, suffers from severe illegal, unreported and unregulated (IUU) fishing activities by 12 countries or territories, so much so that its marine resources have been fished down to 5 per cent to 30 per cent of their 1950 levels, according to a study by researchers at the University of British Columbia in Canada, published last year.

“Much of the South China Sea is basically a ‘free-for-all’ [area] in terms of fishing ... fishers of all countries in the area are heavily involved in IUU activities,” said Dr Michael Fabinyi, a senior research fellow at University of Technology Sydney, who has studied the use of marine resources.

A woman packages freshly caught fish at a port in the city of Dongfang on the western side of China's island province of Hainan. Photo: Reuters
A woman packages freshly caught fish at a port in the city of Dongfang on the western side of China's island province of Hainan. Photo: Reuters
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Destructive fishing practices – including bottom trawling, dynamiting and using cyanide to catch fish – were widely used in the area, severely damaging marine habitats and coral reefs, the Canadian study said. Overfishing and habitat destruction had directly contributed to a reduction in biodiversity, with marine megafauna such as dugongs, formerly abundant along the coasts of Malaysia and southern China, now rarely found.

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