High ocean temperatures lead to devastating coral bleaching 02:56. The Great Barrier Reef – the world's largest reef system that's "one of the richest and most complex natural ecosystems on ...

The first recorded bleaching event at the Great Barrier Reef occurred in 1998, and a second was observed in 2002. After a 14-year gap, four others occurred in close succession: in 2016, 2017, 2020 ...

Australia's Great Barrier Reef has been hit by a major bleaching event affecting 73% of the iconic ecosystem, according to a new Australian government report. The big picture: A "perfect storm of ...

The southern Great Barrier Reef is suffering from extensive coral bleaching due to heat stress, the reef’s managers said Wednesday, raising fears that a seventh mass bleaching event could be ...

Covering nearly 133,000 square miles (345,000 square kilometers), the Great Barrier Reef is the world’s largest coral reef, home to more than 1,500 species of fish and 411 species of hard corals.

The results chronicle extreme recent ocean heat that has led to mass coral bleaching on the Great Barrier Reef. The reef has experienced five major mass coral bleaching events since 2016.

A new study has awful news for the Great Barrier Reef. Located off the coast of Australia, this reef is one of the largest in the world. However, this world treasure is in dire need of help, as ...

More information: Maria Byrne et al, Catastrophic bleaching in protected reefs of the Southern Great Barrier Reef Running head: Catastrophic bleaching in the Southern GBR, University of Sydney (2024).

Coral bleaching on the Great Barrier Reef during a mass bleaching event in 2017. Brett Monroe Garner / Getty Images Often dubbed the world's largest living structure, the Great Barrier Reef is a ...

Cycle of coral bleaching on the Great Barrier Reef now at 'catastrophic' levels. ScienceDaily. Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2025 / 01 / 250121130051.htm.

"It's a big job, and we need to get on it fast," says Mark Eakin, coordinator of NOAA's Coral Reef Watch program. "But I haven't given up hope, and I don't want anyone else to either." ...

Byrne, M. et al., ‘Catastrophic Bleaching in Protected Reefs of the Southern Great Barrier Reef’ (Limnology and Oceanography Letters 2025) DOI: 10.25910/p5rq-cw63 Declaration: The researchers ...