Marine scientists highlights the complex interplay between heat stress, disease onset and coral mortality. They found that 66 percent of the colonies were bleached by February 2024 and 80 per cent by April. By July, 44 percent of the bleached colonies had died, with some coral genera, such as Acropora, experiencing a staggering 95 percent mortality rate.

More than 40% of individual corals monitored around a Great Barrier Reef island were killed last year in the most widespread coral bleaching outbreak to hit the reef system, a study has found. The Guardian: Scientists tracked 462 colonies of corals at One Tree Island in the southern part of the Grea...