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Giant Ground Sloth: 12 600-year-old legs reveal the role of man in extinction

angry animals began to extinguish at the end of the Pleistocene, as did both climate change and a new predator Homo sapiens – arrived at the scene. But despite man's brutal heritage of killing other species, it has been difficult to tease out what extinctions were really our fault. For a long time, the giant landslide was considered a victim of a changing environment. But slaughtered bones, as described in a study by 19459005 Science Advances was published Wednesday, again pointing an accusing finger of our species. Prior to this study, the prevailing theory was that the giant earthquake survived the mass extermination at the end of the Pleistocene in some places and lived in the early Holocene, which began about 1 1,800 years ago. But the new research, first authored by Gustavo Politis, Ph.D., a professor of archeology at the National University of Central Buenos Aires, presents direct evidence that humans are killing giant earth slots almost 1,000 years before Pleistocen gave way to Holocene. The paper shows that a fossilized giant castle found at Campo Labord's archaeological site in the Pampas region of Argentina was slaughtered by humans about 12,600 years ago. By demonstrating that humans were slaughtering a giant landslide and using radioactive dating to determine when the slaughter occurred, the researchers doubted other published Holocene ages for Pleistocene fauna in Pampas. This result, the researchers say, changes how archaeologists understand the relationship between humans, large mammals and climate change when the earth has passed during the…

angry animals began to extinguish at the end of the Pleistocene, as did both climate change and a new predator Homo sapiens – arrived at the scene. But despite man’s brutal heritage of killing other species, it has been difficult to tease out what extinctions were really our fault. For a long time, the giant landslide was considered a victim of a changing environment. But slaughtered bones, as described in a study by 19459005 Science Advances was published Wednesday, again pointing an accusing finger of our species.

Prior to this study, the prevailing theory was that the giant earthquake survived the mass extermination at the end of the Pleistocene in some places and lived in the early Holocene, which began about 1

1,800 years ago. But the new research, first authored by Gustavo Politis, Ph.D., a professor of archeology at the National University of Central Buenos Aires, presents direct evidence that humans are killing giant earth slots almost 1,000 years before Pleistocen gave way to Holocene.

The paper shows that a fossilized giant castle found at Campo Labord’s archaeological site in the Pampas region of Argentina was slaughtered by humans about 12,600 years ago. By demonstrating that humans were slaughtering a giant landslide and using radioactive dating to determine when the slaughter occurred, the researchers doubted other published Holocene ages for Pleistocene fauna in Pampas.

This result, the researchers say, changes how archaeologists understand the relationship between humans, large mammals and climate change when the earth has passed during the last ice age.

 Giant Earth lock on the Campo Laborde site in Argentina.

 Giant Earth lock on the Campo Laborde site in Argentina.

Giant slots on the Campo Laborde site in Argentina.

Previous studies have shown that people from the Pleistocene age were likely to hunt giant ponds in the western US, but evidence that humans killed the animals in South America is rare. Complicating the picture even more, earlier data analyzes show that eradicated megafauna, such as giant landslides, survived the Pleistocene extermination and lived in the Holocene. With these dates, there was no reason to suspect that people had played an important role in their extinction.

 Cut marks on a giant soil quenching bar indicate that people killed and slaughtered the animal.

 Cut marks on a giant land sloth rib indicate that people killed and slaughtered the animal.

Cut marks on a giant ground sloth rib indicates that people killed and slaughtered the animal.

But the new study used an extremely accurate method for data fossils called accelerator mass spectrometry radiocarbon dating to turn this idea on its head. The results of this analysis showed that this basic extinguisher had been killed 12 600 years ago – before Holocen’s beginnings.

Strengthen the idea that people killed sloth and not just scavenge it, broken stone tools, including projectile points, were found nearby. In addition, the fact that the remains were found in what used to be an old swamp suggests that ancient people are likely to put it there with intention. [Driving] Archaeologists suspect that these tools, found at Campo Laborde, used to hunt the giant slope, as evidenced by the broken projectile point (A). “/>

 Archaeologists suspect that these tools, found at Campo Laborde, used to hunt the giant sloth, as evidenced by the broken projectile point (A).

Archaeologists suspect that these tools, found at Campo Laborde, used to hunt giant veil, as evidenced by the broken projectile point (A).

This battle changes what we not only know about giant soil slabs in that part of South America but also all large mammals in the area.

“These new dates do not support extinct megamiles surviving in the Holocene at Campo Laborde and are concerned about the Holocene survival of megafauna, if not all, Pampas sites,” they write.

And since people killed the giant earth sloths at least a couple of thousand years before they exterminated, it seems that people may have played a slight role in their possible extinction. Add one to the list.

Abstract: The eradication of the Pleistocene megafauna and the role that people played has been the subject of constant debate in American archeology. Earlier evidence from the Pampas region of Argentina suggested that this environment might have given rise to the Holocene survival of several megamiles. However, new excavations and more advanced accelerator mass spectrometry radicals dated at the Campo Laborde site in Argentine Pampas challenge the Holocene survival of Pleistocene megamals and provide original and high quality information that documents direct human impact on the Pleistocene fauna. The new data provide definitive evidence to hunt and be slaughtered by Megatherium americanum (giant earth lock) at 12,600 cal in BP and question previous interpretations that the Pleistocene megamals survived in the Holocene in Pampas.

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