Vast Halimeda ‘Bioherm Reef’ Discovered Behind the Great Barrier Reef

[Reef Builders]

Scientists from James Cook University, University of Sydney and Queensland University of Technology have just discovered a vast Halimeda reef hiding in plain sight behind the northern Great Barrier Reef (GBR), Australia. Halimeda is a green macroalgae composed of calcified leaf-like segments, and as these segments die, they accumulate over millennia as thick mounds called

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