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During that time, between 2016 and 2024, the Great Barrier Reef, the world’s largest coral reef ecosystem and one of the most biodiverse, suffered mass coral bleaching events.
This contributes to the conditions which allow the Great Barrier Reef to thrive, keeping the east coast around 18 °C year round instead of dropping to 12 °C in the winter. [4] The current is very low in nutrients but remains important for the marine ecosystem. The EAC transfers heat from the tropics to the mid-latitude water and atmosphere. [5]
The average sea surface temperature in the Great Barrier Reef is predicted to increase between 1 and 3 °C by 2100. [6] Bleaching occurs when the zooxanthellae and coralline algae leave the coral skeleton behind due to stresses in the water.
These temperatures have caused the most severe and widespread coral bleaching ever recorded in the Great Barrier reef. The most severe bleaching in 2016 occurred near Port Douglas. In late November 2016, surveys of 62 reefs showed that long term heat stress from climate change caused a 29% loss of shallow water coral.
The Great Barrier Reef is showing signs of repair. The reef has been suffering from a large amount of ocean bleaching due to the rise in ocean temperatures. Unfortunately, the Great Barrier Reef ...
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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. [ 64 ] [ 65 ] Mass coral bleaching events due to marine heatwaves occurred in the summers of 1998, 2002, 2006, 2016, 2017 and 2020, [ 66 ] [ 13 ] [ 67 ] and coral ...
A major coral bleaching event took place on this part of the Great Barrier Reef. The Great Barrier Reef is the world's largest reef systems, stretching along the East coast of Australia from the northern tip down at Cape York to the town of Bundaberg, [1] [2] is composed of roughly 2,900 individual reefs and 940 islands and cays that stretch for 2,300 kilometres (1,616 mi) and cover an area of ...