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Coral bleaching is the process when corals become white due to loss of symbiotic algae and photosynthetic pigments. This loss of pigment can be caused by various stressors, such as changes in temperature, light, or nutrients.
When corals are in suboptimal conditions they are less able to protect themselves from algal coverage, diseases, and other stressors. This diversion of energy from growth puts the coral's life at risk. Coral bleaching is the result of the loss of vital zooxanthellae; any of the stressors can cause bleaching. [14]
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 ]
Record ocean heat has taken a devastating toll on one of the world’s greatest natural wonders, with coral bleaching on Australia’s Great Barrier Reef reaching “catastrophic” levels, a new ...
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 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 ...
A further potential threat is the increase of coral bleaching events, as a result of global climate change. [9] Coral bleaching is also a major threat to all types of coral. Coral bleaching is when the coral expels the zooxanthella that they feed on, which causes them to turn white, hence "bleaching."
Risisng sea surface temperature threatens delicate coral reefs. Risisng sea surface temperature threatens delicate coral reefs Skip to main content. Subscriptions; Animals. Business. Entertainment ...