Scientists have summed up the results of a ten-year study on the causes of the extinction of woolly mammoths. Team
New advanced technology has allowed scientists not torely only on DNA samples from bones or teeth to collect enough genetic material to recreate the animal's profile. This same technique was used during the pandemic to test wastewater to detect, track and analyze COVID-19.
“Scientists have been arguing for 100 years about why they became extinct.mammoths. People were blamed because animals survived for millions of years without climate change, but when they lived next to people, they did not last long, and we were accused of hunting them. It turns out that everything is not so simple, ”the researchers noted.
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It turned out that as the climate warms, the treesand marsh plants took the place of pastures where mammoths lived. At the same time, the researchers noticed that there were a huge number of animals around the person, which are easier to hunt.
They studied the smallest details of DNA and compileda map of the distribution of the population of these mammals. Due to climate change, the number of animals became smaller and smaller, and their genetic diversity was reduced, which made it even more difficult for them to survive.
“When the climate became more humid and the ice beganmelt, this led to the formation of lakes, rivers and marshes. The ecosystem has changed, the biomass of vegetation has decreased and could not feed the herds of mammoths. We have shown that climate change, in particular the amount of precipitation, directly determines changes in vegetation - based on our models, humans did not have a significant impact on these processes, ”the scientists noted.
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