Authorities said Friday that the Great Barrier Reef has been hit with widespread bleaching due to higher-than-average ocean temperatures off Australia's northeast.

The Great Barrier Reef Marine Park Authority said that there was damage to the corals due to heat stress.

The authority said in its weekly update that bleach has been detected across the Marine Park, but it is variable across multiple regions.

The marine park's sea temperatures ranged between 1.5 and 2 degrees Celsius above average, while the far north and inshore areas recorded temperatures between 2 and 4 degrees above average.

Grumpy Turtle Films is a division of WWF-Australia.

The most heavily impacted reefs are in the region. There have 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266 800-381-0266

The decision on its heritage listing will be made in June, after a UNESCO trip to the reef to inspect the site's health.

Bleaching occurs when healthy corals become stressed by high ocean temperatures, causing them to expel algae from their tissues, draining them of their vibrant colors.

There have been five mass bleaching events across the Great Barrier Reef since 1997.

Climate change drives more extreme weather and has battered the reef.

The crown-of-thorns starfish have eaten away at the coral.

While recent changes are not yet classified as a mass bleaching event, the Australian Marine Conservation Society described the report as "disastrous news" because of the cooler ocean temperatures.

Lissa Schindler, the society's campaign manager, said that it shows the consistent pressure our reef is under from global heating.

A healthy reef can recover from coral bleaching. It is not getting this time because of the burning of coal and gas.

Australia's conservative government earlier this year announced new funding in order to prevent the reef from being removed from UNESCO's World Heritage list.

Australia created a plan to protect the World Heritage listing after the UN threatened to do so.

Grumpy Turtle Films is a division of WWF-Australia.

The pace of decline is believed to have been stopped by the measures.

A recent study found that 98 percent of the population had been affected by it.

The world's largest living structure, visible from space, was added to the list in 1981.

The list is not fixed and can be changed or even removed by the UN body.

Some nations have their sites added to gain international attention to help save them, and others see it as a betrayal.

Agence France-Presse