- New research indicates that marine organisms are threatened with extinction due to global warming
- Arctic organisms, which will not be able to escape into cold waters, are most at risk
- According to scientists, further development in the state of aquatic animals depends on what we do with greenhouse gases
- There are many indications that even if warming stops at 2 degrees Celsius for the industrial age, 4 percent. Marine animal species will become extinct
- More such stories can be found on the homepage of Onet.pl
Scientists now say that the wealth of the Earth’s seas and oceans It is definitely smaller than it has been in the past tens of millions of years. If global warming does not slow down, its impact will continue to be significant Navy ecosystem, the number of animals will continue to decline. You can already notice That seas and oceans are “hot” and have less and less oxygen for life. From the sixties of the twentieth century The volume of seawater completely deprived of oxygen has quadrupled. The reproduction and life of marine animals in such conditions becomes not only extremely difficult, but also impossible.
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A repeat of the “Great Extinction” awaits us
According to the researchers, the higher the water temperature and the lower the oxygen content It is similar to what we dealt with 250 million years ago. Then there was the “Great Extinction” through which As much as 96 percent the animals Marine life on Earth became extinct. According to the experts in the article, we’re on track to repeat that period, but that doesn’t mean we don’t need to do anything else.
– said Justin Penn, a climate scientist at Princeton University, who co-authored the new study.
Pacific Ocean in Palau
Unfortunately, there are many indications that whatever we do, it is too late for some organisms. Analyzes show that even If global warming could be maintained at 2°C compared to the Industrial Revolution, of the two million marine animal species, 4 percent. They will die. If the temperature rise reaches 4°C, the extinction will be much larger and faster.
They are most in danger of disappearing from the face of the earth Animals that live in the polar regions. According to Justin Benn, it’s all because There is no possibility to migrate to a cooler place climateBecause there would simply be no such thing. Tropical organisms may move to cooler places in the future. Arctic animals will not be able to do this.
Arctic Ocean, Svalbard
‘We are already losing untold biodiversity’
In addition to warming the oceans and depriving them of oxygen, other problems are exacerbated by them Massive water pollution and overfishing. result of them 10-15% of other organisms are in danger of extinction.
A polluted beach on the island of Komodo, Indonesia
A study published in Science was commented on by John Bruno, a marine ecologist at the University of North Carolina, in an interview with The Guardian. According to him, recent research differs from previous research, which indicated more species migration than extinction. The specialist mentioned that There is no need to look far ahead, because the seas and oceans have already deteriorated significantly.
source: Guardian (flag)
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