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'Zero prospect' of recovery after Great Barrier Reef decimated by the heat and Cyclone Debbie

The damage caused by Cyclone Debbie could be severe, say scientists.

CORAL BLEACHED FOR two consecutive years at Australia’s Great Barrier Reef has “zero prospect” of recovery, scientists warned today, as they confirmed the site has again been hit by warming sea temperatures.

Researchers said last month they were detecting another round of mass bleaching this year after a severe event in 2016, and their fears were confirmed after aerial surveys of the entire 2,300-kilometre long bio-diverse reef.

Last year, the northern areas of the World Heritage-listed area were hardest hit, with the middle-third now experiencing the worst effects.

“Bleached corals are not necessarily dead corals, but in the severe central region we anticipate high levels of coral loss,” said James Kerry, a marine biologist at James Cook University who led the aerial surveys.

It takes at least a decade for a full recovery of even the fastest growing corals, so mass bleaching events 12 months apart offer zero prospect of recovery for reefs that were damaged in 2016.

It is the fourth time coral bleaching – where stressed corals expel the algae that live in their tissue and provide them with food – has hit the reef after previous events in 1998 and 2002.

Record temperatures

“The combined impact of this back-to-back bleaching stretches for 1,500 kilometres, leaving only the southern third unscathed,” said Terry Hughes, head of the Centre of Excellence for Coral Reef Studies, also at James Cook University.

The bleaching is caused by record-breaking temperatures driven by global warming.

“This year, 2017, we are seeing mass bleaching, even without the assistance of El Nino conditions,” he added, referring to the natural climate cycle in the Pacific Ocean.

The Barrier Reef is already under pressure from farming run-off, development and the crown-of-thorns starfish.

It was also recently hammered by category four Cyclone Debbie, which barrelled through the region last month, mostly affecting southern parts around the Whitsunday islands which largely escaped the bleaching.

The extent of the destruction wrought by Debbie is not yet known, although scientists have said damage could range from minor to severe.

Australia: Cyclone Debbie Cleanup Damage caused by Cyclone Debbie in central Lismore. Nur Photo / SIPA USA/PA Images Nur Photo / SIPA USA/PA Images / SIPA USA/PA Images

Queensland Parks and Wildlife Service and the Great Barrier Reef Marine Park Authority began a study last week to determine how extensive it might be and have already found extensive pulverised coral at popular snorkelling spots.

“The feedback that’s coming back is the more sheltered areas have come out a bit better, but they all seem to have suffered some form of damage,” Association of Marine Park Tourism Operators’ Brendon Robinson told the Australian Broadcasting Corporation.

The Whitsundays is one of the reef’s tourist hotspots, attracting more than 40% of total visitors to the iconic marine ecosystem.

Multiple impacts

Hughes warned rising temperatures could see more bleaching events.

“Clearly the reef is struggling with multiple impacts. Without a doubt the most pressing of these is global warming,” he said.

“As temperatures continue to rise the corals will experience more and more of these events. One degree Celsius of warming so far has already caused four events in the past 19 years.

“Ultimately, we need to cut carbon emissions, and the window to do so is rapidly closing.”

The world’s nations agreed in Paris in 2015 to limit average warming to two degrees Celsius over pre-industrial levels, by curbing fossil fuel burning.

Canberra in 2015 narrowly avoided UNESCO putting the reef on its endangered list, and has committed more than Aus$2.0 billion to protect it over the next decade.

© – AFP, 2017

Read: Bodies of mother and young children pulled from river as Australia is devastated by floods

Read: Fears cyclone will turn parts of Great Barrier Reef into ‘underwater wasteland’

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    Mute Glen
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    Nov 13th 2014, 12:31 PM

    Well we can all sleep peacefully now that that’s sorted.

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    Mute Fergus Flanagan
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    Nov 13th 2014, 1:04 PM

    Not the best comparison really considering he retorted with a figure for the domestic market rather than all operated markets combined.

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    Mute andrew
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    Nov 13th 2014, 12:34 PM

    The greed of the music companies is line one endless stream. The artists complaints are a joke. Plays on Spotify are like having your ads paid for

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    Mute Ruairí
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    Nov 13th 2014, 12:43 PM

    Streams on Spotify are a pittance and a poor source of income for musicians. More power to her if she wants to remove her music from Spotify. She clearly doesn’t need it as she’s by far the best selling artist this year.

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    Mute Alien8
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    Nov 13th 2014, 3:08 PM

    Taylor Swift and her record company are just in it for the prestige of record breaking sales and the history books, not people who listen to the music. Nowhere is questioned what is better for the consumer (or fans as they used to be known)?

    Spotify has obviously not cannibalised the album buying public, as her album has one of the highest number of record sales, which is in addition to any income from streaming and video services.. Spotify replaces the radio, not albums sales, and it gives people to opportunity to spend a small amount to listen (not own) music for a low cost. But not low enough that If all you wanted to listen to was taylor swift, then you could buy her back catalogue for less than a few months of spotify.

    What the record company don’t get is that the spotify income, small as it is compared to if everyone who listened to a track bought the album instead, is a top up from people who would just download it from a torrent, or listen to it on the radio. It is never about being paid for their work, as she has the highest income per effort in the world, but instead just making sure parents pay what a record company exec told her each fan was worth.

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    Mute Tweety McTweeter
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    Nov 13th 2014, 1:25 PM

    She is probably the most popular pop artist out there at the moment and she would only make €400k/year on Spotify? Most artists must only be making pennies on it

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    Mute Powerful Sayings
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    Nov 13th 2014, 12:54 PM

    I like her songs.

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    Mute gerry o donell
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    Nov 13th 2014, 9:41 PM

    don’t know why. but her and her songs really annoy me, even more than Cheryl cole

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    Mute _doesnotcompute
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    Nov 13th 2014, 1:53 PM

    Oooooh no, she only earned €398,000 in the last 12 months. Boo focking Hoo.

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    Mute Plain Porther
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    Nov 13th 2014, 9:15 PM

    Taylor Swift and music in the same sentence . . . ? Jaysus.

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    Mute Paul Roche
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    Nov 13th 2014, 12:42 PM

    Nope.

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    Mute Mrs Shalakalananaka
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    Nov 13th 2014, 1:00 PM

    Maybe?

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    Mute Chief
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    Nov 13th 2014, 2:14 PM

    Depends!

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    Mute Paul Roche
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    Nov 20th 2014, 7:35 PM

    On?

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