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The leading cause of coral bleaching is rising ocean temperatures due to climate change caused by anthropogenic activities. [3] A temperature about 1 °C (or 2 °F) above average can cause bleaching. [3] The ocean takes in a large portion of the carbon dioxide (CO2) emissions produced by human activity.
Huge stretches of coral reef around the world are turning a ghostly white this year amid record warm ocean temperatures. On Monday, the U.S. National Oceanic and Atmospheric Administration ...
“The resilience of coral reefs is being tested like never before, and we must prioritize strategies that enhance their ability to withstand climate change,” said Ana Vila Concejo, co-author of ...
Bleaching occurs when the zooxanthellae and coralline algae leave the coral skeleton behind due to stresses in the water. This causes the coral to lose its colour because the previous organisms sustained on the coral skeleton vacate, leaving a white skeleton. The bleached coral can no longer complete photosynthesis, and so it slowly dies.
The NOAA coral reef authority declared the global bleaching event in April 2024, making it the fourth of its kind since 1998. The previous record from the 2014 to 2017 mass bleaching affected just ...
The resilience of coral reefs is the biological ability of coral reefs to recover from natural and anthropogenic disturbances such as storms and bleaching episodes. [1] Resilience refers to the ability of biological or social systems to overcome pressures and stresses by maintaining key functions through resisting or adapting to change. [ 2 ]
The mass bleaching of coral reefs around the world since February 2023 is now the most extensive on record, the National Oceanic and Atmospheric Administration (NOAA) told Reuters this week ...
Rising sea levels due to climate change requires coral to grow so the coral can stay close enough to the surface to continue the process of photosynthesis. Water temperature changes or disease of the coral [ 56 ] can induce coral bleaching , as happened during the 1998 and 2004 El Niño years, in which sea surface temperatures rose well above ...