Sunday, November 27, 2022

Coral cover reaches record high on Australia’s Great Barrier Reef

The Great Barrier Reef, located in the northeast of Australia and considered the largest coral system in the world, registers a Unprecedented amount of coral for 36 yearsBut according to an annual study published this Thursday, the climate is vulnerable to refining largely because of the crisis.

“In 2022, due to broad-based reform largest coral cover Recorded by the LTPM (Long Term Monitoring Programme) in the northern and central Great Barrier Reef, according to the Australian Institute of Marine Science’s annual report on the state of the Great Barrier Reef.

The LTPM study, which began 36 years ago, indicates that 38 of the 87 representative rocks have been analyzed between August 2021 and May 2022. Coverage level of 10 to 30 percent.

The other 28 reefs show coverage between 30 and 50 percent, quite old Which was recorded in last year’s study on the Great Barrier Reef.

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this is due toL. Growth in fast growing Acropora (elkhorn) corals“Which are the dominant group of corals on the Great Barrier Reef and are largely responsible for past changes in hard coral cover,” the Australian Institute of Marine Sciences (AIMS) reports.

But Ames told that this species is more likely to be damaged by waves, Discoloration is caused by strong winds and tropical cyclones, as well as by warm water.

there are also favorite prey From the plague of the crown of thorns.

“This means that large increases in hard coral cover can be quickly offset by disturbances in reefs, where Acropora corals predominate,” AIMS expert Mike Emsley said in a government statement.

The study reported that the AIMS has warned that the spread of thorn plague in the southern region of the Great Barrier Reef is expected to increase from 38 percent in 2021 to 34 percent this year.

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“It shows How sensitive is the Great Barrier Reef to intense and severe disturbances Those are happening more frequently and are of longer duration, said Paul Hardisty, AIMS executive director.

Great Barrier Reef – that moves In danger of being included in the list of World Heritage Sites in DangerSignificant bleaching occurred in 1998, 2002, 2016, 2017 and 2020 as well as in 2022, despite the fact that that year was dominated by the La Nia event that causes a drop in temperature in Australia.

Home to 400 types of coral, 1,500 species of fish, and 4,000 varieties of mollusks, the Great Barrier Reef began to deteriorate in the 1990s due to the twin effects of warming ocean waters and increased acidity due to the greater presence of CO2 in the atmosphere.

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