Great Barrier Reef Faces Record Coral Mortality
A recent study conducted by the Australian Institute of Marine Science has revealed alarming levels of coral mortality in parts of the Great Barrier Reef. The research showed that up to 72 percent of coral in 12 surveyed reefs had died due to a combination of mass bleaching, cyclones, and flooding.
In one northern section of the reef, a third of hard coral had perished, marking the largest annual decline in nearly four decades of government monitoring.
The Great Barrier Reef, often hailed as the world’s largest living structure, spans over 2,300 kilometers and is home to a rich diversity of marine life.
Unfortunately, the reef has been facing repeated mass bleaching events, causing once-vibrant corals to turn white and die. Bleaching occurs when water temperatures rise, leading the coral to expel microscopic algae necessary for its survival.
This year marked the fifth mass bleaching event on the reef in the past eight years, with a particular type of coral known as acropora experiencing the highest rate of mortality.
Concerns and Call for Action
Lead researcher Mike Emslie described the past summer as one of the most severe events experienced by the Great Barrier Reef, surpassing previous instances of heat stress.
WWF-Australia’s head of oceans, Richard Leck, expressed his fears regarding the survey results, stating that the reef’s resilience has limits and urgent action is needed to prevent further damage.
Leck emphasized the need for stronger emission reduction targets and a shift away from fossil fuels to safeguard the reef’s future. Australia, a major gas and coal exporter, recently committed to becoming carbon neutral but faces pressure to do more.
The study’s findings serve as a stark reminder of the urgent need to protect the Great Barrier Reef and preserve its vital ecosystems for future generations.
© Agence France-Presse
