New evidence highlights threat to Caribbean coral reef growth: Many Caribbean coral reefs are starting to erode

Coral reefs build their structures by both producing and accumulating calcium carbonate, and this is essential for the maintenance and continued vertical growth capacity of reefs. Researchers have discovered that the amount of new carbonate being added by Caribbean coral reefs is now significantly below rates measured over recent geological timescales, and in some habitats is as much as 70 percent lower.

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