Reefs at Risk Revisited (2011) is a high-resolution update of the original global analysis, Reefs at Risk: A Map-Based Indicator of Threats to the World’s Coral Reefs, 1998. Reefs at Risk Revisited uses a global map of coral reefs at 500-m resolution, which is 64 times more detailed than the 4-km resolution map used in the 1998 analysis, and benefits from improvements in many global data sets used to evaluate threats to reefs (most threat data are at 1 km resolution, which is 16 times more detailed than those used in the 1998 analysis).
The Reefs at Risk Revisited report provides a detailed assessment of the status of and threats to the world’s coral reefs. It evaluates threats to coral reefs from a wide range of human activities, and includes an assessment of climate-related threats to reefs. It also contains a global assessment of the vulnerability of nations and territories to coral reef degradation.
Burke L, Reytar K, Spalding M and Perry A (2011). Reefs At Risk Revisited. Washington (USA): World Resources Institute. 130 pp. URL: www.wri.org/publication/reefs-risk-revisited.
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