This report summarises the status (percentage of coral cover) of reefs in the Northern, Central and Southern Great Barrier Reef (GBR) following the 2024 mass coral bleaching event.

The 2024/2025 annual summary report is now available. For this report, the upper reef slope around the perimeter of 124 reefs (primarily on the mid to outer shelf) were surveyed between …

Aug 20, 2024 · Below are a summary of the report is provided: Over the past 38 years of monitoring by the Australian Institute of Marine Science (AIMS), hard coral cover on reefs of …

Aug 12, 2025 · Coral cover across the Great Barrier Reef has experienced its largest annual decline since records began, a report from the Australian Institute of Marine Science (AIMS) …

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 Great Barrier Reef.

Aug 5, 2025 · Parts of the Great Barrier Reef have suffered the largest annual decline in coral cover since records began nearly 40 years ago, according to a new report.

This study has shown a major decline in hard coral cover from 28.0 to 13.8% (0.53% y−1) over 27 y, based on data derived from a single program of methodologically consistent surveys.

Aug 5, 2025 · Following mass bleaching in 2024 and 2025, the Great Barrier Reef has suffered the biggest declines in coral cover in recorded history according to the Australian Institute of …

According to the AIMS report, the Great Barrier Reef has suffered the largest annual declines in coral cover in two of its three regions since monitoring began in 1986.

Aug 13, 2025 · The Great Barrier Reef has recorded its largest annual coral loss in nearly four decades, driven by climate change and mass bleaching.