Title

One-third of reef-building corals face elevated extinction risk from climate change and local impacts

College

College of Science

Department/Unit

Biology

Document Type

Article

Source Title

Science

Volume

321

Issue

5888

First Page

560

Last Page

563

Abstract

The conservation status of 845 zooxanthellate reef-building coral species was assessed by using International Union for Conservation of Nature Red List Criteria. Of the 704 species that could be assigned conservation status, 32.8% are in categories with elevated risk of extinction. Declines in abundance are associated with bleaching and diseases driven by elevated sea surface temperatures, with extinction risk further exacerbated by local-scale anthropogenic disturbances. The proportion of corals threatened with extinction has increased dramatically in recent decades and exceeds that of most terrestrial groups. The Caribbean has the largest proportion of corals in high extinction risk categories, whereas the Coral Triangle (western Pacific) has the highest proportion of species in all categories of elevated extinction risk. Our results emphasize the widespread plight of coral reefs and the urgent need to enact conservation measures.

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Digitial Object Identifier (DOI)

10.1126/science.1159196

Disciplines

Biology

Keywords

Coral reef conservation; Coral reef ecology; Coral declines

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