Coral Bleaching Occurring Too Frequently for Reefs to Recover, Scientists Say
Scientists say reefs are bleaching so often that hard coral cover has fallen 9.5% below historical averages and recovery gaps now average five to six years.
- On Monday, the Global Coral Reef Monitoring Network released a report finding that coral reefs lack sufficient time to recover between bleaching events, with intervals shrinking from decades to just five or six years.
- Rising ocean heat and pollution drive this decline, with lead author Manuel Gonzalez Rivero describing the trend as a "staircase of decline" and noting a steep change in coral cover since 2010.
- The 2023 bleaching event was the most extensive on record, impacting 77% of the world's reef areas, while living coral cover has fallen 9.5% compared with the 1980–2009 historical average.
- Pacific leaders gather in Palau on Aug 31 for the Pacific Islands Forum, where they are expected to coordinate climate priorities ahead of the COP31 conference later in 2026.
- David Obura, chair of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services, warned that "delayed action risks locking in irreversible losses," urging immediate investment in resilience solutions.
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58 Articles
A new report warns that rising sea temperature means reefs do not have enough time to recover from intense heat waves
Marine heat closing window on reef recovery - Cayman Islands Headline News
(CNS): A new scientific report published Monday based on a comprehensive assessment of the status of coral reefs around the world show that climate-driven marine heatwaves are reshaping these important marine ecosystems and closing the door on their potential recovery. The world’s coral reefs are running out of time to recover between increasingly frequent marine […]
Coral reefs remain between heavy bleaching events for only five to six years to recover – scientists warn of irreversible decline.
Scientists warned that coral reefs around the world were exposed to a recurring white phenomenon at an accelerated pace, reducing the time available to them to recover and threatening their survival, noting that rising ocean temperatures due to climate change were one of the most significant factors behind this decline.
Bristol Herald Courier
Coral bleaching occurring too frequently, scientists say
Coral reefs are experiencing bleaching events so frequently that they no longer have time to recover before the next one strikes, with global coral cover now well below normal levels and at risk of irreversible decline, scientists said Monday.
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