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A 2024 marine heatwave killed 75% of Goniopora corals at One Tree Reef, with disease accelerating losses.
A marine heatwave in 2024, worsened by El Niño and climate change, triggered widespread bleaching in heat-resilient Goniopora corals at One Tree Reef in the Great Barrier Reef, with 75% affected.
Half of the bleached colonies later contracted black band disease—a rare but deadly bacterial infection linked to pollution and nutrient runoff—leading to the death of three-quarters of the coral by October, with only a quarter showing partial recovery.
Scientists warn the combined stress of extreme heat and disease is overwhelming coral resilience, possibly pushing tropical reefs past a tipping point, threatening biodiversity, coastal protection, and food security for over a billion people.
Urgent global emissions reductions are critical to prevent further collapse.
Una ola de calor marina de 2024 mató al 75% de los corales de Goniopora en One Tree Reef, con pérdidas aceleradas por enfermedades.