Coral crisis captured

Anna Armstrong

Nature, 2017, vol. 543, issue 7645, 323-323

Abstract: Barrier reef bleaching The Great Barrier Reef is the world's largest reef system, but is being increasingly affected by climate change. Terry Hughes and colleagues examine changes in the geographic footprint of mass bleaching events on the Great Barrier Reef over the last two decades, using aerial and underwater survey data combined with satellite-derived measurements of sea surface temperature. They show that the cumulative footprint of multiple bleaching events has expanded to encompass virtually all of the Great Barrier Reef, reducing the number and size of potential refuges. The 2016 bleaching event proved the most severe, affecting 91% of individual reefs. The authors call for immediate global action to reduce the magnitude of climate warming in order to secure a future for coral reefs.

Date: 2017
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DOI: 10.1038/543323a

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