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Bleached corals on reefs at Lord Howe Island, March 2019. Corals under stress react by expelling the zooxanthellae algae living symbiotically in their...

 E-Mail IMAGE: Dr. Kay Davis conducts a benthic survey on a flat reef at Heron Island, Great Barrier Reef, Australia in December 2020. Below her, the coral has healthy, bleached, and dead... view more  Credit: Ashly McMahon If the trend of declining coral growth continues at the current rate, the worlds coral reefs may cease calcifying around 2054, a new Southern Cross University study has found. Drawing on research from the late 1960s until now, the paper published in Communications &...