XPost: alt.animals, alt.global-warming, alt.survival
XPost: sac.politics, alt.politics.republicans, alt.fan.rush-limbaugh
From: leroysoetoro@hrc-rejected.com

https://www.usatoday.com/story/news/world/2018/11/23/humans-didnt-cause- animal-extinctions-africa-science-study-says/2090400002/

A new study disagrees with a longstanding view that humans wiped out large animals that previously occupied Africa.

In research published in the journal Science on Friday, authors analyzed records on megaherbivore communities in eastern Africa over seven million years. A megaherbivore is a mammal weighing more than 2,000 pounds. They concluded that extinctions of diverse mammal communities in Africa
occurred before evidence of human hunting.

The animal decline might have instead been because of environmental
factors such as declining atmospheric carbon dioxide and expansion of grasslands, researchers write.

"Low CO2 levels favor tropical grasses over trees, and as a consequence savannas became less woody and more open through time," John Rowan, a postdoctoral scientist from the University of Massachusetts Amherst who
was involved in the research, said in a statement. "We know that many of
the extinct megaherbivores fed on woody vegetation, so they seem to
disappear alongside their food source."

Analysis suggests 28 lineages of megaherbivores went extinct, starting
around 4.6 million years ago, according to lead author Tyler Faith, an assistant professor in the Department of Anthropology at the University of Utah. Today, only elephants, hippopotamuses, giraffes and white and black rhinoceroses exist.

University of Oxford, U.K., researchers cautioned that it isn't exactly
clear when humans began affecting large animal populations, but there is
strong evidence that human impact played a role in losses tens of
thousands of years ago.

"The causes of megaherbivore decline are probably complex,
multidimensional, and varied across time and space," Ren� Bobe and Susana Carvalho wrote in the same issue of Science.



--
Donald J. Trump, 304 electoral votes to 227, defeated compulsive liar in
denial Hillary Rodham Clinton on December 19th, 2016. The clown car
parade of the democrat party ran out of gas and got run over by a Trump
truck.

Congratulations President Trump. Thank you for cleaning up the disaster
of the Obama presidency.

Under Barack Obama's leadership, the United States of America became the
The World According To Garp.

ObamaCare is a total 100% failure and no lie that can be put forth by its supporters can dispute that.

Obama jobs, the result of ObamaCare. 12-15 working hours a week at minimum wage, no benefits and the primary revenue stream for ObamaCare. It can't
be funded with money people don't have, yet liberals lie about how great
it is.

Obama increased total debt from $10 trillion to $20 trillion in the eight
years he was in office, and sold out heterosexuals for Hollywood queer
liberal democrat donors.

--- SoupGate-Win32 v1.05
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