Is the Great Barrier Reef doomed? Up to 99% of corals at risk of extinction, new report finds

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 Is the Great Barrier Reef doomed?  Up to 99% of corals at risk of extinction, new report finds


The Great Barrier Reef stretches 1,429 miles along the Australian coast and, although massive, new data shows that up to 99% of it could be lost due to climate change.

The Australian Academy of Sciences has revealed that if warming continues, the world’s largest coral reef system will eventually perish.

The natural wonder is expected to diminish, but if Earth experiences a 3.6F (2C) warming, only one percent of coral will be left.

Researchers say that immediate “transformative action” to reverse global warming is the only option to save the Great Barrier Reef, but achieving the goal appears to be “virtually impossible”.

However, the team also notes that with Earth’s current emission rates, it is likely that we will exceed 2.7F (1.5C) by 2025.

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The Great Barrier Reef stretches 1,429 miles along the Australian coast and, although massive, new data shows that up to 99% of it could be lost due to climate change.

The Great Barrier Reef sits in the Coral Sea, located off the coast of Queensland and is home to over 2,900 individual reefs.

In March 2020, it was revealed that the Great Barrier Reef was now facing its ‘most extensive’ and potentially devastating coral bleaching event following recent unusually warm ocean temperatures – and a recent report suggests it is on the verge of extinction.

And in October 2020, it was revealed that more than half of the corals had been discolored in the past 25 years.

When ocean temperatures are too high, corals expel their colorful symbiotic algae which provides them with food, turning them into a bleached white.

At 2.7F of warming, the natural wonder should shrink by 70-90%, but if the Earth experiences a warming of 3.6F (2C), only a percentage of coral will remain.

At 2.7F of warming, the natural wonder should shrink by 70-90%, but if the Earth experiences a warming of 3.6F (2C), only the percentage of coral will be left.

The Great Barrier Reef sits in the Coral Sea, located off the coast of Queensland and is home to over 2,900 individual reefs

The Great Barrier Reef sits in the Coral Sea, located off the coast of Queensland and is home to over 2,900 individual reefs

The report, titled “Australia’s Risks of a 3C Hotter World,” suggests Australia is heading for climate catastrophe and will take the Great Barrier with it.

“As the driest inhabited continent, Australia is highly vulnerable to the effects of global warming,” the report says.

“The 2019-2020 summer bushfires in a tinder-dry country, or the three severe coral bleaching events within five years that caused more than 50 percent loss of coral cover hard in the shallow waters of the Great Barrier Reef, demonstrate some of the consequences of global warming for the people, economy and environment of Australia ”.

According to the researchers, the whole world has already seen an increase in warming of 2F (1.1C) since the industrial revolution, reports the Sydney Morning Herald.

This era of transformation began in 1760 and lasted until approximately 1840, and was the adoption of a new manufacturing process in Europe and the United States.

According to the researchers, the whole world has already seen an increase in warming of 2F (1.1C) since the industrial revolution.  This era of transformation began in 1760 and lasted until approximately 1840, and was the adoption of a new manufacturing process in Europe and the United States.

According to the researchers, the whole world has already seen an increase in warming of 2F (1.1C) since the industrial revolution. This era of transformation began in 1760 and lasted until approximately 1840, and was the adoption of a new manufacturing process in Europe and the United States.

In addition to shifting to more mechanical processes, the world has seen increased pollution and a depletion of natural resources to power machines – and this “had an immediate effect on the climate.”

However, Professor Lesley Hughes of Macquarie University explained that warming is not having an equal impact on Earth, as Australia is already facing a 0.8F (1.4C) increase.

Because Australia is warming more and faster than the rest of the planet, its natural wonders, especially the Great Barrier Reef, are at greater risk of being destroyed by climate change.

Ove Hoegh-Guldberg, biologist and climatologist specializing in coral reefs, has good news.

He notes that if humans are able to stabilize the warming, the surviving corals could recover and spread all over the reef again.

However, Hoegh-Guldberg also explained that if the opposite happens, the once colorful reef will be replaced by algae, bacteria and other organisms.

In addition to being the greater Great Wall of China, the Great Barrier Reef is also home to around 1,625 species of fish, 3,000 molluscs, and 30 different types of whales and dolphins.

“We used to think that the Great Barrier Reef was protected by its size,” Professor Hughes commented in a 2020 statement.

“But our results show that even the world’s largest and relatively well protected reef system is increasingly compromised and in decline. “

Corals expel tiny seaweed when the sea temperature rises, causing them to turn white

Corals have a symbiotic relationship with a tiny seaweed called “zooxanthellae” that lives inside and nourishes them.

When the sea surface temperature rises, the corals expel the colored algae. The loss of algae causes them to bleach and bleach.

These bleached states can last for up to six weeks, and while corals can recover if the temperature drops and algae returns, severely bleached corals die and become covered with algae.

In either case, this makes it difficult to distinguish between healthy and dead corals from satellite images.

This bleaching has recently killed up to 80% of the corals in some areas of the Great Barrier Reef.

Money laundering events of this nature occur around the world four times more frequently than before.

An aerial view of the Great Barrier Reef of Australia.  The corals of the Great Barrier Reef have undergone two successive episodes of bleaching, in 2016 and earlier this year, raising concerns among experts about the ability of reefs to survive under global warming.

An aerial view of the Great Barrier Reef of Australia. The corals of the Great Barrier Reef have undergone two successive episodes of bleaching, in 2016 and earlier this year, raising concerns among experts about the ability of reefs to survive under global warming.

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