Scientists discover Vast Reef Behind the Great Barrier Reef

AquaNerdBy AquaNerd 2 years ago
Home  /  Reef  /  Scientists discover Vast Reef Behind the Great Barrier Reef

 James Cook University, University of Sydney, and Queensland University of Technology scientists working with laser data from the Royal Australian Navy have discovered a vast reef behind the familiar Great Barrier Reef. JCU’s Dr Robin Beaman says the high-resolution seafloor data provided by LiDAR-equipped aircraft have revealed great fields of unusual donut-shaped circular mounds, each 200-300 meters across and up to 10 meters deep at the center. Halimeda is a green macroalgae composed of calcified leaf-like segments.  As these plants die, these segments turn white and accumulate over thousands of years forming thick mounds called bioherms.  Where these plants have died, A living layer of Halimeda algae covers the bioherms and stretches across an area of 6095 km2 on the landward side of the reef. MORE

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