Navigation Links
10 million years to recover from mass extinction
Date:5/27/2012

It took some 10 million years for Earth to recover from the greatest mass extinction of all time, latest research has revealed.

Life was nearly wiped out 250 million years ago, with only 10 per cent of plants and animals surviving. It is currently much debated how life recovered from this cataclysm, whether quickly or slowly.

Recent evidence for a rapid bounce-back is evaluated in a new review article by Dr Zhong-Qiang Chen, from the China University of Geosciences in Wuhan, and Professor Michael Benton from the University of Bristol. They find that recovery from the crisis lasted some 10 million years, as explained today [27 May] in Nature Geoscience.

There were apparently two reasons for the delay, the sheer intensity of the crisis, and continuing grim conditions on Earth after the first wave of extinction.

The end-Permian crisis, by far the most dramatic biological crisis to affect life on Earth, was triggered by a number of physical environmental shocks - global warming, acid rain, ocean acidification and ocean anoxia. These were enough to kill off 90 per cent of living things on land and in the sea.

Dr Chen said: "It is hard to imagine how so much of life could have been killed, but there is no doubt from some of the fantastic rock sections in China and elsewhere round the world that this was the biggest crisis ever faced by life."

Current research shows that the grim conditions continued in bursts for some five to six million years after the initial crisis, with repeated carbon and oxygen crises, warming and other ill effects.

Some groups of animals on the sea and land did recover quickly and began to rebuild their ecosystems, but they suffered further setbacks. Life had not really recovered in these early phases because permanent ecosystems were not established.

Professor Benton, Professor of Vertebrate Palaeontology at the University of Bristol, said: "Life seemed to be getting back to normal when another crisis hi
'/>"/>

Contact: Philippa Walker
philippa.walker@bristol.ac.uk
University of Bristol
Source:Eurekalert

Page: 1 2

Related biology news :

1. £2 million study to reveal workings of dementia genes
2. NIH awards Clemson bioengineer $1.5 million to improve durability of tissue heart valves
3. L-1 Identity Solutions Receives $5.9 Million Drivers License Contract Expansion from the State of Mississippi
4. L-1 Identity Solutions Awarded New Massachusetts RMV Drivers License Contract Valued at an Estimated $32 Million
5. FSU researchers discovery leads to $1.5 million grant, potential new treatment of liver fibrosis
6. Missouri Botanical Garden mounts milestone 6 millionth herbarium specimen
7. New $11 million center to speed production of new compounds for drug discovery
8. SAIC Awarded $37 Million Contract to Support U.S. Army Program Executive Office - Enterprise Information Systems
9. Eastman Dental Center awarded $1.6 million to find ways to prevent cavities
10. L-1 Identity Solutions Selected by the State of New York as the Winning Bidder to Provide Enrollment Services for a Contract Estimated at Up to $250 Million
11. Deep heat solution to 500-million year mystery
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/19/2014)...   LaunchKey , the first decentralized mobile authentication ... of Things era, today announced the close of $3 ... led by Metamorphic Ventures with participation from ENIAC Ventures, ... others.  LaunchKey has raised $4 million to date, and ... and bring LaunchKey to market in 2015. ...
(Date:12/17/2014)... , Dec. 16, 2014 Research and Markets ... addition of the "Global Chemical Sensor Market ... http://photos.prnewswire.com/prnh/20130307/600769 One ... increasing demand for medical sensors in biomedical applications. ... for quick and correct diagnosis during surgical procedures. ...
(Date:12/11/2014)... , Dec. 10, 2014  That blood pressure plays ... a while. Hypertension – the medical term for high blood ... early 1800s, and the inflatable cuff that,s used in measuring ... however, mean there,s nothing new about hypertension, its triggers and ... beliefs about the condition and the best ways to treat ...
Breaking Biology News(10 mins):LaunchKey Raises $3 Million in Additional Funding Led by Metamorphic Ventures 2LaunchKey Raises $3 Million in Additional Funding Led by Metamorphic Ventures 3Global Chemical Sensor Market 2015-2019: Key Vendors are Abbott Laboratories, Bayer, Hoffmann La-Roche, Johnson & Johnson, NGK Spark Plugs and Robert Bosch 2Research points to need for new approaches to treatment of high blood pressure 2Research points to need for new approaches to treatment of high blood pressure 3Research points to need for new approaches to treatment of high blood pressure 4
... Information with Figures (pdf download) , ... law postulated by Ernst Abbe in 1873 for ... and his co-workers have established a new law ... applications range from the imaging of cell interiors ...
... arrival of the first humans in ancient Australia may ... University of Colorado, Australian National University, and Bates College.* ... researchers traced evidence of diet and the environment contained ... 140,000 years to reconstruct what happened. The remains showed ...
... A team of researchers led by the University of ... becomes permanently etched in the brain - a discovery ... anxiety and post-traumatic stress. , U of T physiology ... of Seoul National University in South Korea, and ...
Cached Biology News:New law for resolution allows unprecedented sharpness in fluorescence microscopy 2New law for resolution allows unprecedented sharpness in fluorescence microscopy 3Did humans cause ecosystem collapse in ancient Australia? 2Study charts origins of fear 2
(Date:12/19/2014)... Lawrence, MA (PRWEB) December 19, 2014 ... flow MRLAFMQ test for the Detection of Aflatoxin M1 ... test to receive independent third party validation. The peer ... Science Unit of the Institute for Agricultural and Fisheries ... Francis Group. , Aflatoxin B1, the most toxic ...
(Date:12/19/2014)... , Dec. 19, 2014 Naurex Inc., a ... drugs for diseases of the central nervous system, today ... chief executive officer, will present at the 33 rd ... will take place at 3:00 p.m. PST on Tuesday, ... San Francisco, Calif. ...
(Date:12/19/2014)... REDWOOD CITY, Calif. , Dec. 19, 2014 ... , USA) announced today that they have been ... Technologies 1,2 is a privately held company that ... processing of next generation sequencing (NGS) data for the ... into the Roche Sequencing Unit, and will continue to ...
(Date:12/19/2014)... --Research and Markets ( http://www.researchandmarkets.com/research/fhh9rj/technology ) ... Innovations in Smart Fabrics (Technical Insights)" report ... http://photos.prnewswire.com/prnh/20130307/600769 The Research Service titled ... assessment on technological advancements and market for Smart ... 1. The Smart Fabrics market is expected to ...
Breaking Biology Technology:Charm Sciences Achieves Independent Validation of First 15 Minute Quantitative Screening Method for Aflatoxin M1 2Naurex to Present at 33rd Annual J.P. Morgan Healthcare Conference 2Bina Technologies is acquired by Roche. 2Bina Technologies is acquired by Roche. 3Technology Innovations in Smart Fabrics (Technical Insights) 2
... 15, 2011 Kevin W. Sharer, chairman and chief executive ... has announced his plan to retire from the Company at ... Amgen.  To facilitate an orderly transition process, Sharer will step ... chairman of the Company,s Board of Directors until December 31, ...
... Realty Trust, Inc. (NYSE: BMR ) today announced ... 2011 dividend of $0.20 per share of common stock.  The ... common share. BioMed also announced that its ... share of the company,s 7.375% Series A Cumulative Redeemable Preferred Stock ...
... 15, 2011   Ecology Coatings, Inc. (OTCQB: ECOC), ... announced that it has developed bio-based GRAS (generally recognized ... are GRAS, they can be used to make coatings ... placed in direct contact with food and food packaging. ...
Cached Biology Technology:Kevin Sharer, Amgen Chairman and CEO, Announces Plan to Retire With Robert Bradway to Become CEO on May 23, 2012; Sharer Will Continue as Chairman of the Board Until End of 2012 2Kevin Sharer, Amgen Chairman and CEO, Announces Plan to Retire With Robert Bradway to Become CEO on May 23, 2012; Sharer Will Continue as Chairman of the Board Until End of 2012 3BioMed Realty Trust Declares Fourth Quarter 2011 Common Stock and Preferred Stock Dividends 2Ecology Coatings Develops Coatings Safe for Direct Contact with Food Products 2
DEAD (Asp-Glu-Ala-Asp) box polypeptide 5...
...
RayBio L Series 507: RayBio Label-based Antibody Array I (1 glass slide with 2 subarrays) Class: Antibody Array Products Product Group: Antibody Array...
Rat CXCL7/Thymus Chemokine-1 DuoSet Economy Pack, 45 Plate...
Biology Products: