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Covering nearly 133,000 square miles (345,000 square kilometers), the Great Barrier Reef is the world’s largest coral reef, home to more than 1,500 species of fish and 411 species of hard corals.
The Great Barrier Reef experienced its first major bleaching event in 1998. Since then, bleaching events have increased in frequency, with three events occurring in the years 2016–2020. [53] Bleaching is predicted to occur three times a decade on the Great Barrier Reef if warming is kept to 1.5 °C, increasing every other year to 2 °C. [54]
A new study published this month by researchers at the University of Sydney studied individual colonies in One Tree Reef, located 62 miles (100 km) offshore in the Great Barrier Reef. The area has ...
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.
It describes the organisms and ecosystems of Australia's Great Barrier Reef, and the biological, chemical and physical processes that influence them. Issues discussed include climate change, coral bleaching, coral disease and coral reef fishing. The book includes a field guide to help people identify the common animals and plants on the reef.
Since 1990, calcification rates of Porites, a common large reef-building coral in the Great Barrier Reef, have decreased by 14.2% annually. [10] Aragonite levels across the Great Barrier Reef itself are not equal; due to currents and circulation, some portions of the Great Barrier Reef can have half as much aragonite as others. [17]
A recently released report revealed a heartwrenching discovery about Australia's Great Barrier Reef. The researchers at the ARC Centre of Excellence for Coral Reef Studies found that at least 93 ...
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 ...