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eCoral: How Electrolysis Could Restore Seawater Conditions Ideal for Coral Reefs.
J Phys Chem Lett
December 2024
Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States.
Article Synopsis
- * Restoring ocean pH to preindustrial levels could help coral reefs recover; however, effective large-scale methods to reverse ocean acidification are lacking.
- * Using simulations, researchers found that electrolysis of seawater increases pH and carbonate concentration near the electrodes, suggesting it could help restore conditions for coral reef survival, laying the groundwork for future experiments on this method, referred to as eCoral.
Widespread diversity deficits of coral reef sharks and rays.
Science
June 2023
Institute of Environment, Department of Biological Sciences, Florida International University, North Miami, FL, USA.
A global survey of coral reefs reveals that overfishing is driving resident shark species toward extinction, causing diversity deficits in reef elasmobranch (shark and ray) assemblages. Our species-level analysis revealed global declines of 60 to 73% for five common resident reef shark species and that individual shark species were not detected at 34 to 47% of surveyed reefs. As reefs become more shark-depleted, rays begin to dominate assemblages.
View Article and Find Full Text PDFGenetically engineered heat-resistant coral: An initial analysis of public opinion.
PLoS One
July 2024
The University of Queensland, St Lucia, Brisbane, QLD, Australia.
Rising seawater temperatures are contributing to coral degradation in the Great Barrier Reef. Synthetic biology technologies offer the potential to enhance coral resilience to higher water temperatures. To explore what the public think of genetically engineered coral as a future solution, qualitative responses to an open-ended question in a survey of 1,148 of the Australian public were analysed.
View Article and Find Full Text PDFWill coral reefs survive by adaptive bleaching?
Emerg Top Life Sci
March 2022
Daniel P. Haerther Center for Conservation and Research, John G. Shedd Aquarium, Chicago, U.S.A.
Some reef-building corals form symbioses with multiple algal partners that differ in ecologically important traits like heat tolerance. Coral bleaching and recovery can drive symbiont community turnover toward more heat-tolerant partners, and this 'adaptive bleaching' response can increase future bleaching thresholds by 1-2°C, aiding survival in warming oceans. However, this mechanism of rapid acclimatization only occurs in corals that are compatible with multiple symbionts, and only when the disturbance regime and competitive dynamics among symbionts are sufficient to bring about community turnover.
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