A Queensland climate change scientist says the world has only another decade to reduce greenhouse gasses to save the Great Barrier Reef.
The director of the Global Change Institute at the University of Queensland, Professor Ove Hoegh Guldberg, is addressing a climate change conference in Cairns in the far north today.
Professor Hoegh says coral bleaching events are becoming more frequent because of rising sea temperatures and levels.
He says good management and the low population along the Great Barrier Reef have helped it bounce back in the past, but it could be gone in 40 years if carbon emissions are not reduced.
Disrupting the Borg is expensive and time consuming!
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Prof Ove doesn’t know even Oz research on this topic. Work at AIMS in Townsville has shown pretty conclusively that when the temperature goes up all the corals do is spit out the alga that doesn’t like that temperature and gets in a new one. They go white during the changeover.
It’s called bleaching, and it’s perfectly normal………..
cold is worse
Research shows that deep inside the corals there is life waiting to bounce back when sea temperature cools.
Great Barrier Reef booms after extensive bleaching event!
[peer reviewed]
By the way Latitude, coral bleaching can also be caused by low sea water temperature.
http://resources.metapress.com/pdf-preview.axd?code=39qn9c5ntlr25d9e&size=largest
Your : Director of the Global Change Institute at the University of Queensland, Professor Ove Hoegh Guldberg, is the original little boy who calls wolf.
His dire reef destruction warnings include:
(a) Starfish
(b) Global warming,
(c) Global cooling,
(d) sugar cane effluent run off
(e) over fishing
(f) Sea lanes too close to reef
(g) Over tourism
(h) Bleaching by CO2
(j) Bleaching by other acidic influences
(k) Sea level rise
(M) Sea level drop
(n) Arguments with Andrew Bolt.
Remarkably the reef has managed to exist for over 100,000 years.
Other experts such as reef naturalist Ben Cropp have seen no problems with the reef for over 40 years
Much to the good professors indignation the reef seems to survive all his prognostications
You’ll have to wait for the next installment of (n)…AB ran out of time this morning. Hopefully Dr Ove will front up on the radio with Bolta tomorrow morning, though if I were Dr Ove I’d wonder at my own sanity at agreeing to do the spot.
The question needing asking is:
Why did corals evolve to have a mechanism to deal with warming….
…if they didn’t need it
Non existent bleaching is being caused by a non existent rise is sea water temperatures. One of the great scientific discoveries of the 21st Century!
You are all ignorant couch researchers.