Researchers study Guam mañahak movements
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China says Great Barrier Reef is in danger while smashing its own coral
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Great Barrier Reef home to giant doughnut-shaped structures with unique animal and plant communities
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The fauna and flora communities on the Halimeda reefs are unique, new research has found.
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Giant doughnut-shaped limestone mounds sitting in the Great Barrier Reef Marine Park, called Halimeda bioherms, have been building up on the seafloor off the Australian coast since the last ice age.
Key points:
The doughnut-shaped bioherms are at least 10,000 years old, but scientists aren t sure how they get their shape
Researchers found more than 1,300 species living on the formations, with around 40 per cent of those species not found on the surrounding inter-reef
PROJECT TO PROTECT GUAM CORAL Submitted by admin on Wed, 08/08/2001 - 00:00
By Scott Radway Pacific Daily News
HAGÃ
TÃA, Guam (August 7, 2001 – Pacific Daily News) -As oceanographer Eric Wolanski, clad in scuba gear, descended into Fouha Bay in Umatac, he noticed something seriously wrong: He couldn t hear anything but his breathing. The reef makes no sound anymore, said Wolanski, a researcher from the Australian Institute of Marine Science.
When a reef is healthy, fish and shrimp are plentiful and when they eat, their mouths make a snapping sound, Wolanski said. There should have been crackling, he said.
Instead, there was silence, because the reef is far from healthy, suffering in part from years of sediment flowing into the bay, preventing coral from spawning and suffocating some of the existing coral.