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Great Barrier Reef in the Coral Sea Off Coast of Queensland, Australia

14.4S 144.5E

April 28th, 2010 Category: Snapshots

Australia - March 5th, 2010

Australia - March 5th, 2010

A stretch of the Great Barrier Reef is visible here, in the Coral Sea off the coast of Queensland, Australia. It is the world’s largest reef system, composed of over 2,900 individual reefs and 900 islands stretching for over 2,600 kilometres (1,600 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi).

The Great Barrier Reef World Heritage Area has been divided into 70 bioregions, of which 30 are reef bioregions. In the northern part of the Great Barrier Reef, ribbon reefs and deltaic reefs have formed; these structures are not found in the rest of the reef system. There are no atolls in the system, and reefs attached to the mainland are rare.

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