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(i) The relative importance of barrier reefs in defending nearby coastal populations from flooding. For this map, values calculated at the coast (see separate maps and associated information) are reprojected out to the reefs, weighting the distribution by both distance from shore and reef density. Scores are relative, and, recognising the lower value of barrier reefs in generating benefits at more distant shores, these are given lower relative scores compared to fringing reefs (1-2). For more details, see: Burke and Spalding (2022). Shoreline protection by the world’s coral reefs: Mapping the benefits topeople, assets, and infrastructure. Marine Policy. |