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Coral diseases that are distributed throughout an area can have a big impact on other parts of reef communities. Not only do coral diseases impact the overall accretion and surface area of the coral, it also affects coral reproduction, the diversity and prosperity of reef species, topography of structures, and community dynamics. [1]
Disease is a serious threat to many coral species. The diseases of coral may consist of bacterial, viral, fungal, or parasitic infections. Due to stressors like climate change and pollution, coral can become more vulnerable to diseases. Some examples of coral disease are Vibrio, white syndrome, white band, rapid wasting disease, and many more. [84]
Many scientists think that at just 1.2C of warming above preindustrial level, the world has already passed a key threshold for coral reef survival. They expect between 70% and 90% of the world's ...
Coral reefs around the world are experiencing global bleaching for the fourth time, top reef scientists declared Monday, a result of warming ocean waters amid human-caused climate change. Coral ...
Coral in the south Red Sea does not bleach despite summer water temperatures up to 34 °C (93 °F). [64] [147] Coral bleaching in the Red Sea is more common in the northern section of the reefs; the southern part of the reef has been plagued by coral-eating starfish, dynamite fishing and human impacts on the environment. In 1988, there was a ...
The worst so far was the Great Coral Bleaching Event from 2014 through 2017, when already warm sea temperatures were increased El Niño, causing heat stress to spread across the world and into ...
Yellow-band disease is a bacterial infection that spreads over coral, causing the discolored bands of pale-yellow or white lesions along the surface of an infected coral colony. The lesions are the locations where the bacteria have killed the coral's symbiotic photosynthetic algae, called zooxanthellae which are a major energy source for the ...
In 2018, the United Nations Intergovernmental Panel on Climate Change estimated that 70% to 90% of the world’s coral reefs would disappear if global average temperatures crossed a threshold of 1 ...