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One in 10 species may become extinct by the end of the century

2022-12-20T00:42:25.146Z


One in 10 species of animals and plants may become extinct by the end of the century if the current trend of destruction of nature and rising temperatures persists,...


One in 10 species of animals and plants may become extinct by the end of the century if the current trend of destruction of nature and rising temperatures persists, according to a study published in the journal

Science Advances

in the final stretch of the Biodiversity Summit in Montreal (COP15) that concluded on Monday with an agreement to protect 30% of the planet's natural spaces by 2030


The study warns that the planet has entered the "sixth mass extinction"

and places special emphasis on the co-extinction or loss of one species due to the disappearance of another: predators that run out of prey, parasitic insects that lose their "hosts" or plant species that are left without pollinators.


"Let's say a species is left without prey by the impact of climate change in what we might consider primary extinction," said Corey Bradshaw, co-author of the study and Professor of Global Ecology at Australia's Flinders University.

"With nothing to eat, the predator will eventually become extinct as well. In the same way, a plant can lose its natural pollinator if temperatures continue to rise."

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"All species depend in some way on others,"

emphasizes Bradshaw, in the report prepared with Giovanni Strona, from the University of Helsinki.

"The rupture of these symbiotic relationships or of the links in the food chain makes the loss of biodiversity even more serious, caused in the first instance by the change in land use, by intensive agriculture, by pollution, the change climate change or the appearance of invasive species".

temperature rise

With the current trend, the global increase in temperatures could reach 2.7 degrees by the end of the century and cause the extinction of 13% of animals and plants (17% in the case of vertebrates), according to the virtual projection carried out by the authors of the study, who warn that in 2050 the bar of 6% could be exceeded.

In the worst possible scenario,

with an increase in temperatures between three and four degrees,

27% of species could disappear

from the face of the Earth.

Another recent estimate, based on the analysis of 150,000 species included in the "red list" of the International Union for Conservation of Nature (IUCN), has reached the conclusion that 42,000 of them could disappear by the end of the century by the end of the century. human action.

More than 2,700 scientists called on governments

in the final stretch of the Biodiversity COP15 demanding actions to avoid the "overexploitation" of resources and allow the recovery of ecosystems.

The scientists pointed an accusing finger at "the damage caused by disproportionate consumption" and warned that rich countries "cannot impose the costs of restoring nature to less favored countries, where biodiversity predominates."

According to the criteria of The Trust Project

Know more

  • Environment

Source: elmuldo

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