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Australian Institute of Marine Science data should not impact UNESCO’s decision on the Reef

Australian Institute of Marine Science data should not impact UNESCO’s decision on the Reef
July 19, 2021

Data released today by the Australian Institute of Marine Science should not alter UNESCO’s recommendation before the World Heritage Committee to list the Great Barrier Reef as ‘In Danger’.

The Australian Marine Conservation Society (AMCS) said it is critical that UNESCO’s science-backed recommendation to list the Reef ‘In Danger’ drives the Australian Government to take the action desperately needed to tackle climate change.

The 21-member World Heritage Committee will decide later this week whether to ratify UNESCO’s science-based recommendation to add the Reef to the World Heritage ‘In Danger’ List, due to three climate change-driven mass bleaching events in just five years, the Australian Government’s lack of action on climate change, and slow progress towards achieving water quality targets.

While information in AIMS’ latest report shows that some species of corals of the Great Barrier Reef can regrow following severe coral bleaching, the ongoing threat of global warming means any rebound may only last as long as the next marine heatwave.

David Cazzulino, AMCS Reef Campaigner notes “the data shows what we already knew: that our Great Barrier Reef is still beautiful, but is in danger from rising temperatures unless we take urgent climate action.”

Coral reef scientist and AMCS board member Dr Selina Ward adds “given a period free from cyclones and heatwaves, some coral species can come back quickly following bleaching events. The latest AIMS data are promising, but it is important to note the recovery of hard coral cover in the surveys has largely been driven by fast growing branching and table corals, which tend to be the most susceptible species to bleaching events in warmer waters as well as being easily broken in cyclones and the preferred food for crown of thorns starfish. Given the increased frequency of bleaching events recently, another heating event could wipe away this good progress.

“Thankfully the past year has been relatively benign for the Reef with a reprieve from mass coral bleaching events and severe cyclones, so it’s welcome news but not a surprise that coral cover has increased on many of the surveyed reefs.”

A recent long term study on Lizard Island in the northern Great Barrier Reef showed that while the amount of coral is recovering from severe coral bleaching, the reefs are becoming less diverse, with 16% of coral species now missing locally.

The AIMS data doesn’t overturn the conclusion of the five-year Great Barrier Reef Outlook Report which found the Reef’s outlook was ‘very poor’.

Cazzulino advised “the bottom line is that climate change will continue to threaten the health of coral reefs unless we urgently reduce carbon emissions, halt new coal and gas developments, and limit global temperature rise to 1.5 degrees or lower.

“With climate change continuing unabated, more severe and more frequent marine heatwaves are around the corner which are likely to undermine coral recovery. The interval between severe coral bleaching events is getting shorter and the impact becoming more severe.

“The Australian Government needs to take responsibility for protecting our Reef by developing a plan to do our fair share to limit global warming to 1.5 degrees or lower and turbocharging local efforts to improve Reef water quality.”

Related Articles

13th July 2021 - Australian Conservation groups call for Great Barrier Reef to be placed on ‘In Danger’ list

22nd June 2021 - UNESCO recommends Great Barrier Reef be listed as ‘in danger’

19th May 2021 - Australian Marine Conservation Society claims Hunter Valley gas development to be a disaster for the Reef

28th April 2021 - Queensland Government rejects mine to protect Reef

15th October 2020 - Cairns Regional Council recommends improvements to Great Barrier Reef plan

9th October 2020 - Australian Marine Conservation Society claims Reef Inquiry confirms what was already known

8th September 2020 - Australian Marine Conservation Society welcomes Federal Government intervention into protecting Great Barrier Reef wildlife

25th May 2020 - Australian Marine Conservation Society would welcome additional support for reef tourism sector

7th April 2020 - Reef tourism industry and conservationists demand climate action following release of new bleaching survey

28th February 2020 - Australian Marine Conservation Society calls for a Reef-safe climate policy

19th September 2019 - Research suggests coral reef protection could benefit all ecosystems

18th September 2019 - Australian Marine Conservation Society condemns inquiry into Reef Science


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