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Reef Cover, a coral reef classification for global habitat mapping from remote sensing

2021; Nature Portfolio; Volume: 8; Issue: 1 Linguagem: Inglês

10.1038/s41597-021-00958-z

2052-4463

Emma Kennedy, Chris Roelfsema, Mitchell Lyons, Éva Kovàcs, Rodney Borrego‐Acevedo, Meredith Roe, Stuart Phinn, Kirk Larsen, Nicholas Murray, Doddy Yuwono, Jeremy Wolff, Paul Tudman,

Marine and fisheries research

Abstract Coral reef management and conservation stand to benefit from improved high-resolution global mapping. Yet classifications underpinning large-scale reef mapping to date are typically poorly defined, not shared or region-specific, limiting end-users’ ability to interpret outputs. Here we present Reef Cover , a coral reef geomorphic zone classification, developed to support both producers and end-users of global-scale coral reef habitat maps, in a transparent and version-based framework. Scalable classes were created by focusing on attributes that can be observed remotely, but whose membership rules also reflect deep knowledge of reef form and functioning. Bridging the divide between earth observation data and geo-ecological knowledge of reefs, Reef Cover maximises the trade-off between applicability at global scales, and relevance and accuracy at local scales. Two case studies demonstrate application of the Reef Cover classification scheme and its scientific and conservation benefits: 1) detailed mapping of the Cairns Management Region of the Great Barrier Reef to support management and 2) mapping of the Caroline and Mariana Island chains in the Pacific for conservation purposes.