Casacade failure could wipe out the Amazon in your lifetime - Politics Forum.org | PoFo

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Pollution, global warming, urbanisation etc.
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#15074205
"The Amazon rainforest could turn into a grassy savannah within 49 years of reaching an ecological tipping point, scientists have warned.
A team of researchers found that once they start collapsing, the world's largest ecosystems, such as the Amazon, are likely to be gone much faster than previously thought.
They said the findings should serve as yet another wake-up call for policymakers to halt the cycle of destruction of the natural world."

This is a big hairy deal, but it also raises questions about the little buggers that produce the oxygen you breathe.

"...what this means is that the biggest ecosystems that we have in the world are likely to collapse much quicker than we think, in a matter of decades"

The Amazon creates it's climate, meaning once it's gone, the region will dry out, and with global warming, there is no chance it will get a chance to recover.


https://www.cnn.com/2020/03/10/americas/ecosystems-collapse-amazon-climate-intl/index.html
#15074216
Zionist Nationalist wrote:
I dont have a clear stance on this whole global warming thing I have no problem accepting facts but I dont trust anything that comes out from CNN even if they "quote" scientists



And yet you keep whining, but can't seem to be bothered to look for those sources.

Which proves my point, any excuse, no matter how lame, will do.

http://www.natureasia.com/en/research/highlight/13249

https://www.sciencedaily.com/releases/2020/03/200310124713.htm

https://www.ehn.org/ecosystems-collapse-2645447028.html

https://cosmosmagazine.com/earth-sciences/the-bigger-they-are-the-harder-they-fall

https://www.reuters.com/article/us-climate-change-collapse/amazon-and-other-large-ecosystems-at-risk-of-rapid-collapse-study-idUSKBN20X2MF?feedType=RSS&feedName=internetNews
#15074220
late wrote:"The Amazon rainforest could turn into a grassy savannah within 49 years of reaching an ecological tipping point, scientists have warned.
A team of researchers found that once they start collapsing, the world's largest ecosystems, such as the Amazon, are likely to be gone much faster than previously thought.
They said the findings should serve as yet another wake-up call for policymakers to halt the cycle of destruction of the natural world."

This is a big hairy deal, but it also raises questions about the little buggers that produce the oxygen you breathe.

"...what this means is that the biggest ecosystems that we have in the world are likely to collapse much quicker than we think, in a matter of decades"

The Amazon creates it's climate, meaning once it's gone, the region will dry out, and with global warming, there is no chance it will get a chance to recover.


https://www.cnn.com/2020/03/10/americas/ecosystems-collapse-amazon-climate-intl/index.html


Are you feeling okay? Do you have a fever or something? Dizzy?

I have to ask because, in uncharacteristic fashion, you haven't blamed Trump for this.
#15074222
late wrote:https://www.sciencedaily.com/releases/2020/03/200310124713.htm


I looked into this source and found this just a bunch of empty worlds with no clear understanding of the problem and solution
nothing about global warming

What can be done to slow these collapses?

Ecosystems made up of a number of interacting species, rather than those dominated by one single species, may be more stable and take longer to shift to alternative ecosystem states. These provide opportunities to mitigate or manage the worst effects, say the authors. For example, elephants are a termed a 'key stone' species as they have a disproportionately large impact on the landscape -- pushing over trees, but also dispersing seeds over large distances. The authors state that the loss of key stone species, such as this, would lead to a rapid and dramatic change in the landscape within our lifetime.

"This is yet another strong argument to avoid degrading our planet's ecosystems; we need to do more to conserve biodiversity(what does that even mean?)," says Dr Gregory Cooper, School of Oriental & African Studies, University of London.

Prof John Dearing from Geography and Environment at Southampton University says: "We intuitively knew that big systems would collapse more slowly than small ones -- due to the time it takes for impacts to diffuse across large distances. But what was unexpected was the finding that big systems collapse much faster than you might expect -- even the largest on Earth only taking possibly a few decades."

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