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Four Pacific coral reef World Heritage sites have been selected for a four-year, USD$9 million project that will build climate resilience leadership - Rock Islands Southern Lagoon (Palau), Lagoons of New Caledonia (France), Ningaloo Coast and the Great

Deep reefs of the Great Barrier Reef offer limited thermal refuge during mass coral bleaching

Our rapidly warming climate is threatening coral reefs as thermal anomalies trigger mass coral bleaching events. Deep (or “mesophotic”) coral reefs are hypothesised to act as major ecological refuges from mass bleaching, but empirical assessments are limited. We evaluated the potential of mesophotic reefs within the Great Barrier Reef (GBR) and adjacent Coral Sea to act as thermal refuges by characterising long-term temperature conditions and assessing impacts during the 2016 mass bleaching event.