Scientists find proof that privatising fishing stocks can avert a disaster
FOR three years, from an office overlooking the Atlantic in Nova Scotia, Boris Worm, a marine scientist, studied what could prevent a fishery from collapsing. By 2006 Dr Worm and his team had worked out that although biodiversity might slow down an erosion of fish stocks, it could not prevent it. Their gloomy prediction was that by 2048 all the world’s commercial fisheries would have collapsed.
Now two economists and a marine biologist have looked at an idea that might prevent such a catastrophe. This is the privatisation of commercial fisheries through what are known as catch shares or Individual Transferable Quotas (ITQs).
Christopher Costello and Steven Gaines (the biologist) of the University of California and John Lynham of the University of Hawaii assembled a database of the world’s commercial fisheries, their catches and whether or not they were managed with ITQs.
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