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June 2019    Download the Entire Issue (PDF) Vol. 34, No. 6   RSS Feed for Undercurrent Issues
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More Global Shipping Means More Invasive Marine Species on Coral Reefs

from the June, 2019 issue of Undercurrent   Subscribe Now

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Invasive species have long spread across the world by ship, often with disastrous effects (i.e., the Indo-Pacific lionfish marauding around the Caribbean). Anthony Sardain, an invasion ecologist at McGill University in Montreal, Canada, expects the risk of marine invasions on coral reefs to rise three- to 20-fold in the next 30 years.

The idea came to Sardain in 2015 as he sailed with his father, a commodity market analyst, off of France's Atlantic coast. As they discussed how China's emergence as a superpower might impact global trade, Sardain realized that previous research on marine invasive species typically assumed global trade would remain constant. But shipping is expected to change on a global scale. Sardain and his colleagues set out to forecast how this might affect where marine species are being introduced....

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