Hard coral cover in the Great Barrier Reef over time

A line chart shows the percentage of hard coral cover in the Northern, Central and Southern Great Barrier Reef, from 2005 - 2024. It shows percentages hovering below 30% and tipping into the "high value range" around 2016, then dipping out of that range in 2024.
Vertical lines indicate years where mass or localised bleaching events impacted the Great Barrier Reef. Data not available for Northern Great Barrier Reef region in 2012, 2014, 2016, 2018.
ABC NewsSource: AIMS Long-term Monitoring Program