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Check out earlier issues of Pol 32 mag

January 30, 2012

Pacific Mackerel Stocks That Feed Farmed Salmon In Decline



Farmed salmon, that ubiquitous pink fish decorated with ribbons of fat, can thank the forage fish of the southern Pacific ocean – like anchovy and jack mackerel – for their calorie-rich diet. Indeed, more than 5 pounds of jack mackerel typically can go towards raising one pound of farmed salmon.
But that food supply – and the ocean ecosystem that supports it — may be in peril, according to a new report by theInternational Consortium of Investigative Journalists. According to scientists the ICIJ spoke to, "supertrawler" fishing vessels from Asia, Europe and Latin America have contributed to a 63 percent decline in jack mackerel stocks since 2006. At the current rate of overfishing, the world's stock of jack mackerel, which is largely located off the coast of Chile, could collapse soon.
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