Alternative news
Daily alternative news articles at the News Desk for GrahamHancock.com. Featuring alternative history, science, archaeology, ancient egypt, paranormal & supernatural, environment, and much more. Check in daily for updates!

Author of the Month

To sign up to the Graham Hancock newsletter mailing list, please click here.

December 23 2012

Ups and downs of biodiversity after mass extinction


The climate after the largest mass extinction so far 252 million years ago was cool, later very warm and then cool again. Thanks to the cooler temperatures, the diversity of marine fauna ballooned, as paleontologists from the University of Zurich have reconstructed. The warmer climate, coupled with a high CO2 level in the atmosphere, initially gave rise to new, short-lived species. In the longer term, however, this climate change had an adverse effect on biodiversi-ty and caused species to become extinct.

[Follow article link...]

Post Your Comments and Discuss This Article on our Message Boards!
Back to Previous...
Go to News Desk...

Enjoy the newsdesk? Please tell others about it:

Tweet
Add Graham via his official Twitter, Google+ and facebook pages.

Site design by Amazing Internet Ltd, maintenance by Synchronicity. Site privacy policy. Contact us.

Dedicated Servers and Cloud Servers by Gigenet. Invert Colour Scheme / Default