News
Hosted on MSN10mon
Humans to Blame For Megafauna Extinctions, New Study Suggests"The large and very selective loss of megafauna over the last 50,000 years is unique over the past 66 million years. Previous periods of climate change did not lead to large, selective extinctions ...
Did the impact cause the dramatic extinction of some 35 types of large animals, or megafauna, in North America, also dated roughly to this period? Or should we blame these extinctions on the ...
Smithsonian scientist’s research illustrates how North American ecosystems are still reeling from the megafaunal extinction that closed the ice ages Jack Tamisiea During the late Pleistocene ...
There seems little doubt humans would have contributed to extinctions, however. While the dramatic climate shifts were the major driver in megafaunal extinction events, humans would have applied ...
And the prosecution’s case has been strong. “The overwhelming evidence is that the megafauna extinctions occur around the world whenever humans turn up,” says Alan Cooper, an ancient DNA ...
We are researching the cause of megafaunal extinction in the last major extinction event. Hundreds of large mammal species disappeared during the transition from the last glaciation to the present ...
The extinction of the megafauna—giant marsupials that lived in Australia until 60,000 to 45,000 years ago—is a topic of fierce debate. Some researchers have suggested a reliance on certain ...
The three people I spoke to about the so-called megafaunal extinctions possess this sort of edgy sangfroid. They also stand in three decidedly different camps regarding why America's rich ...
In Australia, as in America, megafaunal extinctions broadly correlated with the arrival of humans on the island continent. In Australia around 50 outsized species became extinct. In a study ...
Now a study has found that the continents that lost the most of these grazing megafauna had the biggest ... with lower increases where there were fewer extinctions, such as in Africa.
By "large," we mean animals that weighed at least 45 kilograms—known as megafauna. At least 161 species of mammals were driven to extinction during this period. This number is based on the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results