The data in the following table comes from a recent assessment of coral reefs (Reefs at Risk Revisited) prepared by the World Resources Institute.
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Integrated threat to coral reefs by region
Region | Reef area (sq km) | Reef area as percent of global | Coastal population (within 30 km of reef), 2000 | % of reefs threatened | Reef area in MPAs (%) | |
---|---|---|---|---|---|---|
Local threats | Severe thermal stress (1998–2007) | |||||
Atlantic | 25849 | 10 | 42541 | 75 | 56 | 30 |
Australia | 42315 | 17 | 3509 | 14 | 33 | 75 |
Indian Ocean | 31543 | 13 | 65152 | 66 | 50 | 19 |
Middle East | 14399 | 6 | 19041 | 65 | 36 | 12 |
Pacific | 65972 | 26 | 7487 | 48 | 41 | 13 |
Southeast Asia | 69637 | 28 | 138156 | 94 | 27 | 17 |
Global | 249713 | 100 | 275886 | 61 | 38 | 27 |