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Great Barrier Reef more volatile with sharp declines in coral cover

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06 August 2025
Minor bleaching of Acropora coral on Great Barrier Reef
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New global role for coral researcher following departure of long-term AIMS science leader

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30 June 2025
Dr Britta Schaffelke and Dr Manuel Gonzalez Rivero at AIMS SeaSim
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Initial Great Barrier Reef monitoring results show coral mortality in north due to bleaching and cyclones

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19 November 2024

New data from the Australian Institute of Marine Science’s (AIMS) in-water surveys show coral cover has declined on 12 of 19 reefs surveyed between Lizard Island and Cardwell following a summer of disturb

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High coral cover amid intense heatwaves and bleaching? Here's how both can be true on the Great Barrier Reef

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07 August 2024

Has this summer’s bleaching killed many corals on the Barrier Reef – or will they recover? The answer is – we don’t know yet.

A scuba diver swims over a bleached reef
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New report on Great Barrier Reef shows coral cover increases before onset of serious bleaching, cyclones

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07 August 2024

Coral cover has increased in all three regions on the Great Barrier Reef and is at regional highs in two of the three regions. But the results come with a note of caution.

a low aerial photo of a reef flat at high tide dropping off to deeper water on the right of the photo. A small orange boat with a person in it is over the deeper blue water.
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Drones offer new perspective on vulnerable tide-exposed coral reefs

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03 June 2024

A new study has used drone technology and cutting-edge analytical methods for the first time to map the intertidal coral reefs of the Rowley Shoals off the Kimberley coast of Western Australia.

Aerial of intertidal areas at low tide where coral reef is exposed amongst pools of sea
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Unravelling monitoring trends for sea Country management

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31 May 2024

AIMS scientists partnered with Indigenous communities in the remote Kimberley region of Australia’s north west to monitor culturally important fish populations on coral reefs and incorporate the variability in data to better inform sea Country management.

Two Indigenous Rangers lean over the side of a small boat in mangroves whilst deploying a baited remote underwater video station
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Scientists confirm that WA oceanic reefs avoid mass bleaching

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28 May 2024

Little or no coral bleaching has been observed by researchers at remote coral reefs off the north-west coast of Australia.

A scuba diver surveys a healthy coral reef
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Going remote to discover how WA’s oceanic reefs have fared this summer

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23 April 2024

AIMS scientists are venturing out to monitor how Ashmore Reef, the Scott Reefs and Mermaid Reef in the Rowley Shoals are faring following an uncertain summer.

A scuba diver monitors a healthy coral reef
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Reef snapshot details widespread coral bleaching on the Great Barrier Reef

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17 April 2024

The 2023−24 summer has seen substantial climate driven impacts across the Great Barrier Reef, with widespread coral bleaching, two cyclones and several severe flood events.

aerial view of a reef showing signs of bleaching