media release

Study recommends closing the high seas to fishing

SFU biologist Isabelle Côté has co-authored a new study that finds little would be lost by eliminating high seas fishing.

February 12, 2015
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Contact:
Isabelle Côté, 778.782.3705, imcote@sfu.ca
Carol Thorbes, University Communications, 778.782.3035, cthorbes@sfu.ca

Photo: http://at.sfu.ca/EkLKSc

The high seas globally should be closed to fishing argues a new study in the journal Scientific Reports, co-authored by Isabelle Côté, a Simon Fraser University professor of marine ecology and conservation.

“Intense fishing in the high seas,” says Côté, an SFU Department of Biological Sciences researcher, “has resulted in habitat destruction and declining stocks of fish such as tunas and swordfishes.”

In this study Côté and her colleagues analyzed the economic impact of closing the high seas to fishing, identifying which countries would stand to financially gain or lose.

The world’s oceans are separated into exclusive economic zones (EEZs) and the high seas. EEZs are the coastal areas that are within 200 nautical miles of maritime countries that maintain the rights to the resources in these waters. The high seas are international waters outside of these boundaries that are shared by the world.

For the first time, the authors estimated the amount of fish caught in the high seas as opposed to EEZs. According to their study, less than one per cent of the global landings come from fish caught only in the high seas. The bulk of the world’s fisheries actually come from fish stocks that straddle both areas. This unexpectedly high level of exchange means that most fish stocks would still be available to be fished in EEZs, even if the high seas were closed to fishing.

The authors then evaluated the impact of closing deep-sea fishing on fisheries’ catches and values, and their economic consequences for individual countries.

“Under realistic assumptions, closing the high seas would result in no loss in fish catches or landed value of them on a global scale,” says a surprised Côté. “Of course, a few countries would lose out, but most would gain, including some of the world’s poorest countries.”

Commenting on the United Nations’ recent decision to consider creating a legally binding agreement to protect international waters, Côté says: “I hope our research increases understanding of the need for this. I am delighted that the high seas are starting to be recognized as a valuable resource that deserves protection and stewardship.”

The Global Ocean Commission, OceanCanada and the Social Sciences and Humanities Research Council of Canada funded this study, which was led by U. Rashid Sumaila at the University of British Columbia.

As Canada's engaged university, SFU is defined by its dynamic integration of innovative education, cutting-edge research and far-reaching community engagement. SFU was founded almost 50 years ago with a mission to be a different kind of university—to bring an interdisciplinary approach to learning, embrace bold initiatives, and engage with communities near and far. Today, SFU is a leader amongst Canada's comprehensive research universities and is ranked one of the top universities in the world under 50 years of age. With campuses in British Columbia's three largest cities—Vancouver, Surrey and Burnaby—SFU has eight faculties, delivers almost 150 programs to over 30,000 students, and boasts more than 130,000 alumni in 130 countries around the world.

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