KIKAI, Kagoshima Prefecture—The coral reef terraces of Kikaijima island here have been recognized by the International Union of Geological Sciences as one of the 100 IUGS Geological Heritage Sites.
Coral reefs are marine structures created by calcifying coral animals and their algal symbionts. Coral reef ecosystems are generally high in biodiversity, most often found in shallow tropical seas ...
Coral reefs are vital to marine ecosystems and the overall wellness of our planet. According to the National Oceanic and Atmospheric Administration, more than half a billion people depend on reefs for ...