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Great Barrier Reef Outlook Report 2014
…While the corals that build reefs are the most visible natural ‘value’ in the Reef ecosystem, it is the Reef ecosystem as a whole (including seagrasses, mangroves, sandy and muddy communities, coastal wetlands, islands and continental slope depths) that is important.
…the overall outlook for the Great Barrier is poor, has worsened since 2009 and is expected to further deteriorate in the future. Greater reductions of threats at all levels, Reef-wide, regional and local, are required to prevent the projected declines in the Reef and to improve its capacity to recover.
…From 1985 to 2012 coral cover on the mid-shelf and off shore reefs on the Reef declined by almost 50%. The main reasons for this decline have been identified as outbreaks of crown-of-thorns starfish, cyclones, and thermal stress leading to coral bleaching.
Great Barrier Reef Taskforce Water Science Taskforce May 2016
…In 2009, the Great Barrier Reef was considered to be at a crossroad, with decisions made in subsequent years likely to determine its long-term future. Since then, continuing investment in management of the Reef has had some positive results. …
…the greatest risks to the Great Barrier Reef have not changed. Climate change, poor water quality from land-based run-off, impacts from coastal development, and some remaining impacts of shing remain the major threats to the future vitality of the Great Barrier Reef.
…In recent years, a series of major storms and oods have affected an ecosystem already under pressure. The accumulation of all impacts on the Reef has the potential to further weaken its resilience. This is likely to affect its ability to recover from serious disturbances, such as major coral bleaching events, which are predicted to become more frequent in the future.
a reply to: Bloodydagger
So the British prisoners killed of the Barrier reef in just a century, amazing..
originally posted by: swanne
a reply to: Bloodydagger
Um, according to the same article,
The research showed that “22 percent of the coral on the reef died due to the worst mass bleaching event on record.”
So the coral reef is actually 22% dead. 78% of the coral is still surviving.
Sure, it's bad, I mean optimally 100% of the organisms that build up the coral should be alive, but saying that "all of the population is dead" when actually 22% of it has bleached is a bit of an exaggeration.
I smell a tad of sensationalism.
i follow dr karl who believes that its been known about for too long, that the point of no return was a while back and, australia's governments best idea was to hope by themselves ignoring it, the public would too.
I'm surprised that this isn't posted yet.
Bleaching does not equal death of corals. It is a phenomenon whereby the coral polyps expel their symbiotic algae. Corals can recover, but prolonged stress (and bleaching) results in coral death.
Sure, it's bad, I mean optimally 100% of the organisms that build up the coral should be alive, but saying that "all of the population is dead" when actually 22% of it has bleached is a bit of an exaggeration.
Yes. I know. www.abovetopsecret.com...
Actually, bleaching is not the same as "dying' and it is not dead.
When the stress which causes the bleaching persists, the coral dies. The ecosystem collapses. Fish die. Invertebrates die. The reef dies.
The reef is no more dead than a forest after a forest fire. A forest fire is an opportunity for new growth and renewal.
I am suggesting that unless the stressors which cause bleaching go away, the reef dies.
Are you suggesting that carribean reefs can recover from warm temperatures and hurricanes all arriving in sequence over a period of years but not the GBR?
Ok, So, it will die. Then come back when ocean temperatures decline. Someday. That's comforting.
It survived cold temperatures and temperatures warmer than current temperatures.
THE ABC has been panned by mining chiefs and Federal Environment Minister Greg Hunt for using a misleading photograph to highlight coverage of coral bleaching on the Great Barrier Reef. The national broadcaster’s Triple J Hack website carried a report on damage to Queensland’s natural wonder on Wednesday, but featured a dramatic composite image of dead coral that was taken at Flowerpot Rock in American Samoa. It was the same picture that The Courier-Mail last weekend revealed environmental group Greenpeace had used in a tweet linking damage to the Great Barrier Reef with the coal industry. Queensland Resources Council has made a formal complaint to the taxpayer-funded broadcaster over the latest instance. “When The Courier-Mail revealed this Great Barrier Reef ruse last Saturday, Greenpeace themselves even admitted the photo in question was a fake,” QRC chief executive Michael Roche said.
originally posted by: cavtrooper7
a reply to: Bloodydagger
Isn't weather stepping up a tad?
Tornados in Oregon.
originally posted by: Bloodydagger
a reply to: cavtrooper7
Sure is. We are seeing some strange weather in America. I remember last year, it was hot and sunny outside at CHRISTMAS here where I live. I don't ever remember a time when that happened.
False. Did you even read what you posted? It is not about the study, it is about a picture. What I posted is not from Greenpeace. It is about this:
I checked your link about "90 % of the coral reef being bleached". Its from apri 2016 and was part of Green Peace
s funding campaign. It is a lie.
Because the ocean is getting warmer and people are dumping stuff into it.
Why should it die now?