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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]
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]
Higher water temperatures in 2016 have hurt much of the corals in the reef, and 67% of the reef's northern section died. Great Barrier Reef hit with worst coral bleaching on record Skip to main ...
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 ...
That makes this the fifth bleaching event in the Great Barrier Reef in just nine years - far more frequent than the twice per decade that scientists expected by the 2030s.
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 ...
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.