Featured Research

from universities, journals, and other organizations

Antarctic Plants And Animal Life Survived Ice Ages

Date:
September 30, 2007
Source:
British Antarctic Survey
Summary:
Springtails, mites, worms and plant life could help solve the mystery of Antarctica's glacial history according to new research. Scientists report that the evolutionary history of Antarctica's terrestrial plant and animal life does not reconcile with current reconstructions of past glacial ice extent going back more than 23 million years.

Antarctic springtail - Cryptopygus antarcticus. False colour, scanning electron-micrograph. Cryptopygus is one of the most successful terrestrial arthropods to have colonised the Antarctic continent. Although only 1-2 mm long and weighing only a few micro-grams, it is one of the largest animals to complete its lifecycle on the Antarctic continent.
Credit: Pete Bucktrout

Springtails, mites, worms and plant life could help solve the mystery of Antarctica's glacial history according to new research published in the journal Science.

Scientists from British Antarctic Survey (BAS) and Massey University New Zealand report that of the evolutionary history of Antarctica's terrestrial plant and animal life does not reconcile with current reconstructions of past glacial ice extent going back more than 23 million years.

In today's warm period less than 1 percent of Antarctica is ice-free. It has been assumed that during ice ages there was insufficient ice-free land for Antarctic plant and animal species to survive and evolve. However scientists report that an exceptional long-term evolutionary persistence, isolation, and a striking capability to survive global climate change, appear to be the 'norm' rather than the exception for the terrestrial world.

Pete Convey of BAS said, 'Because these groups of invertebrates, plants and microbes occupy such a tiny part of a huge continent climate scientists have tended to ignore them. But recent advances in molecular biology and biogeography show us that they are indeed significant when you are trying to reconstruct a picture of the Earth's glacial history. It is important now for us to work together with scientists from all disciplines to integrate this new biological evidence in glaciological and climate models. It will help answer the big global questions about past and future climate change and be a valuable contribution to International Polar Year 2007-2008.'

The Allan Wilson Centre for Molecular Ecology and Evolution is one of five New Zealand government-funded centres of research excellence. Initially funded in 2002 for six years, the Centre has recently been awarded a further six years of funding.

 


Story Source:

The above story is based on materials provided by British Antarctic Survey. Note: Materials may be edited for content and length.


Cite This Page:

British Antarctic Survey. "Antarctic Plants And Animal Life Survived Ice Ages." ScienceDaily. ScienceDaily, 30 September 2007. <www.sciencedaily.com/releases/2007/09/070927154919.htm>.
British Antarctic Survey. (2007, September 30). Antarctic Plants And Animal Life Survived Ice Ages. ScienceDaily. Retrieved April 23, 2014 from www.sciencedaily.com/releases/2007/09/070927154919.htm
British Antarctic Survey. "Antarctic Plants And Animal Life Survived Ice Ages." ScienceDaily. www.sciencedaily.com/releases/2007/09/070927154919.htm (accessed April 23, 2014).

Share This



More Earth & Climate News

Wednesday, April 23, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

UN Joint Mission Starts Removing Landmines in Cyprus

UN Joint Mission Starts Removing Landmines in Cyprus

AFP (Apr. 23, 2014) — The UN mission in Cyprus (UNFICYP) led a mine clearance demonstration on Wednesday in the UN-controlled buffer zone where demining operations are being conducted near the Cypriot village of Mammari. Duration: 01:00 Video provided by AFP
Powered by NewsLook.com
California Drought Is Good News for Gold Prospectors

California Drought Is Good News for Gold Prospectors

AFP (Apr. 22, 2014) — For months California has suffered from a historic drought. The lack of water is worrying for farmers and ranchers, but for gold diggers it’s a stroke of good fortune. With water levels low, normally inaccessible areas are exposed. Duration: 01:57 Video provided by AFP
Powered by NewsLook.com
Raw: MN Lakes Still Frozen Before Fishing Opener

Raw: MN Lakes Still Frozen Before Fishing Opener

AP (Apr. 22, 2014) — With only three weeks until Minnesota's fishing opener, many are wondering if the ice will be gone. Some of the Northland lakes are still covered by up to three feet of ice, causing concern that just like last year, the lakes won't be ready. (April 22) Video provided by AP
Powered by NewsLook.com
Scientists Warn Of Likely El Niño Event This Year

Scientists Warn Of Likely El Niño Event This Year

Newsy (Apr. 22, 2014) — With Pacific ocean water already showing signs of warming, the NOAA says there's about a 66 percent chance the event will begin before November. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins