Australia's Great Barrier Reef status lowered to critical and deteriorating

MELBOURNE (Reuters) - The health of Australia's Great Barrier Reef, the world's most extensive and spectacular coral reef ecosystem, is in a critical state and deteriorating as climate change warms up the waters in which it lies, an international conservation group said. The World Heritage-listed site off Australia's northeastern coast has lost more than half its coral in the past three decades.

Reuters December 04, 2020 06:10:09 IST
Australia's Great Barrier Reef status lowered to critical and deteriorating

Australias Great Barrier Reef status lowered to critical and deteriorating

MELBOURNE (Reuters) - The health of Australia's Great Barrier Reef, the world's most extensive and spectacular coral reef ecosystem, is in a critical state and deteriorating as climate change warms up the waters in which it lies, an international conservation group said.

The World Heritage-listed site off Australia's northeastern coast has lost more than half its coral in the past three decades.

Coral-bleaching in 2016, 2017 and 2020 has further damaged its health and affected its animal, bird and marine population, the International Union for Conservation of Nature said in a report.

Such bleaching occurs when hotter water destroys the algae which the coral feeds on, causing it to turn white.

The union moved the reef's status to critical and deteriorating on its watchlist.

Some activities which threaten it, like fishing and coastal development, can be tackled by the management authorities, the union said.

"Other pressures cannot be addressed at the site level, such as climate change, which is recognised as the greatest threat," it said.

Progress towards safeguarding the reef under a long-term sustainability plan through to 2050 has been slow and it has not been possible to stop its deterioration, it said.

The turtle populations - including loggerhead, hawksbill and northern green - as well as the scalloped hammerhead shark, many seabird populations and possibly some dolphin species are declining.

Efforts to safeguard the reef are rising, however. HSBC and the Queensland government said in October they would buy "Reef Credits", a tradable unit that quantifies and values the work undertaken to improve water quality flowing onto the reef.

Similar to the carbon offset market which incentivises the reduction of carbon dioxide from the atmosphere, the scheme pays landholders for improved water quality.

(This story corrects to fix spelling of word "its" in paragraph 3.)

(Reporting by Melanie Burton; Editing by Angus MacSwan)

This story has not been edited by Firstpost staff and is generated by auto-feed.

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