Doom and Boom on a Resilient Reef

Date: 2/6/2009

Marine scientists are astonished at the spectacular recovery of certain coral reefs in Australia’s Great Barrier Reef Marine Park from a devastating coral bleaching event in 2006. High sea temperatures caused severe coral bleaching. The damaged reefs in the Keppel Islands were  smothered by a species of seaweed. The corals have spectacularly re-established within a year. Dr Guillermo Diaz-Pulido, from The University of Queensland and the ARC Centre of Excellence for Coral Reef Studies (CoECRS) said the rapid recovery was due to the exceptionally high re-growth of surviving coral tissue, the unusual seasonal dieback in the seaweeds, and the presence of a highly competitive coral species which outgrew the seaweed.

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