Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Great Barrier Reef' has mentioned 'Coral bleaching' in the following places:
Occurrence Sentence Text Source
Other environmental pressures on the reef and its ecosystem include runoff, climate change accompanied by mass coral bleaching, dumping of dredging sludge and cyclic population outbreaks of the crown-of-thorns starfish.
A March 2016 report stated that coral bleaching was more widespread than previously thought, seriously affecting the northern parts of the reef as a result of warming ocean temperatures.
The Great Barrier Reef Marine Park Authority considers the greatest threat to the Great Barrier Reef to be climate change, causing ocean warming which increases coral bleaching.
[57][58] Mass coral bleaching events due to marine heatwaves occurred in the summers of 1998, 2002, 2006, 2016, 2017 and 2020,[59][12][60] and coral bleaching is expected to become an annual occurrence.
Coral bleaching events lead to increased disease susceptibility, which causes detrimental ecological effects for reef communities.
In July 2017 UNESCO published in a draft decision, expressing serious concern about the impact of coral bleaching on the Great Barrier Reef.
[105] The decline in the quality of water over the past 150 years (due to development) has contributed to coral bleaching, algal blooms, and pesticide pollution.