Coral reef - Wikipedia - coral reef bottom

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NOAA National Ocean Service Education: Corals coral reef bottom


Coral reefs are the most diverse of all marine ecosystems. one percent) of the earth's surface and less than two percent of the ocean bottom.

Coral reef benthic communities are mosaics of individual bottom-types that are distinguished by their taxonomic composition and functional.

A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are . Like sea level rise, a rapidly subsiding bottom can overwhelm coral growth, killing the coral and the reef, due to what is called coral drowning. Corals .