Warming climate undoes decades of knowledge of marine protected areas

Climate change and warming seas are transforming tropical coral reefs and undoing decades of knowledge about how to protect these delicate and vital ecosystems. Many of the world's coral reefs are seeing biodiversity plunge in the face of repeated coral bleaching events. Protected areas, called marine reserves, are an effective and long-established tool in the conservation toolbox. Marine reserves have been used for decades to enhance biodiversity and fish biomass by preventing damage and over-exploitation by fishing.

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