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Sixty major episodes of coral bleaching have occurred between 1979 and 1990, [58] [59] with the associated coral mortality affecting reefs in every part of the world. In 2016, the longest coral bleaching event was recorded. [60] The longest and most destructive coral bleaching event was because of the El Niño that occurred from 2014 to 2017. [61]
Vibrio coralliilyticus is a causative agent of both bacterially induced coral bleaching and larval oyster mortality. [4] In corals this bleaching is the result of the death of endosymbiont colonies which is mediated by V. coralliilyticus disabling Photosystem II and in some cases causing cell lysis. [4]
Coral diseases have the possibility to change the structures of reefs in a negative way, because one-third of corals are at risk of going extinct because of coral bleaching. [5] [6] This bleaching, partially caused by diseases, is linked to a decrease in coral cover and loss of biodiversity in reefs. [5]
Every year, reefs provide about $2.7 trillion in goods and services, from tourism to coastal protection, according to a 2020 estimate by the Global Coral Reef Monitoring Network.
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 ...
APOLLO BEACH — Deep in the throes of the most severe coral bleaching event in Florida’s history, Keri O’Neil, a coral scientist by trade, was in need of some hope. It was two weeks since her ...
Hawaii's coral reefs (e.g. French Frigate Shoals) are a major factor in Hawaii's $800 million a year marine tourism and are being affected negatively by coral bleaching and increased sea surface temperatures, which in turn leads to coral reef diseases. The first large-scale coral bleaching occurred in 1996 and in 2004 it was found that the sea ...
The last global coral bleaching event happened in 2014 and lasted until 2017. More than 56% of global reef areas saw temperatures that could cause bleaching during that time period.