Last Updated: Friday, September 20, 2013, 08:32
Scientists studying reefs off Australia said Thursday sharks play a fundamental role in the health of coral, and overfishing of them made reefs more vulnerable to global warming and weather disasters.
Last Updated: Thursday, September 19, 2013, 14:34
Australian marine scientists have linked the declining Shark population to damage on coral reefs off the country`s north-west coast.
Last Updated: Tuesday, October 2, 2012, 09:05
Australia`s Great Barrier Reef, the world`s largest coral reef system, has lost half of its coral cover in the past 27 years, a study revealed Monday.
more videos >>