What are the causes of coral reef decolouring?

When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Coral bleaching is a serious issue now a days. read more

Coral reef destruction is rampant for a variety of reasons. As coral reefs are natural barriers between land and sea, the benefits they provide are many. read more

There are many factors that can cause coral bleaching such as changes in salinity and sedimentation, however the only factor that can cause corals to bleach over a wide spatial scale (e.g., on many reefs around an island, or regionally) is elevated water temperatures. read more