Coral reefs play an extremely important role in the Caribbean economy for tourism as well as food production and food security. The regions' unique reefs have been impacted by rising sea temperatures and pollution. Data will allow development of climate models and ecological forecasting in coral reef ecosystems.A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups. Coral reefs flourish in ocean waters that provide few nutrients.Coral reefs protect coastlines from storms and erosion, provide jobs for local communities, and offer opportunities for recreation. They are also are a source of food and new medicines. Over half a billion people depend on reefs for food, income, and protection.
