This study investigates the spatial and temporal dynamics of coral cover, identifies the main drivers of coral mortality, and quantifies the rates of potential recovery of the Grea

Nov 5, 2025 · Worsening marine heatwaves cause corals to expel the algae that gives them their colour and much of their nutrients – a process known as coral bleaching that can w

3 days ago · The Great Barrier Reef illustrates the trajectory clearly: after a record-breaking marine heatwave in 2024, coral cover on the northern reef dropped by about a quarte

Aug 6, 2025 · Official analysis of 124 reefs on the Great Barrier Reef shows coral cover has dropped sharply after a record-breaking marine heatwave in 2024, prompting grave fears

Rising ocean temperatures caused by climate change is the primary cause of coral bleaching. A temperature increase of just one degree Celsius for only four weeks can trigger bleach

Warming oceans cause coral to expel the algae that provides not just their characteristic color but also their food. Once bleached, they are exposed to disease and death by starvat

Aug 5, 2025 · Northern and southern branches of the sprawling Australian reef both suffered their most widespread coral bleaching, the Australian Institute of Marine Science (AIMS

Warmer water temperatures can result in coral bleaching. When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn compl

Coral bleaching has ecological consequences for the Great Barrier Reef. The most direct impact is widespread coral loss; for example, extreme temperatures in 2016 killed 30% of the

Sep 20, 2023 · As ocean temperatures rise, corals can lose their color due to heat stress. Bleaching does not kill corals immediately, but they become more vulnerable to disease a