Navigation Links
Scientists report dramatic carbon loss from massive Arctic wildfire
Date:7/28/2011

In a study published in this week's issue of Nature, Marine Biological Laboratory (MBL) senior scientist Gauis Shaver and his colleagues, including lead author Michelle Mack of the University of Florida, describe the dramatic impacts of a massive Arctic wildfire on carbon releases to the atmosphere. The 2007 blaze on the North Slope of the Alaska's Brooks Mountain Range released 20 times more carbon to the atmosphere than what is annually lost from undisturbed tundra.

As wildfires increase in frequency and size along Alaska's North Slope, the team contends the disturbances may release large amounts of the greenhouse gas CO2 to the atmosphere and accelerate the transformation of the frozen, treeless tundra of today into a different kind of ecosystem less capable of storing carbon. Together, the impacts could have profound implications on atmospheric carbon and climate.

Arctic tundra landscapes store huge amounts of carbon in cool, wet soils that are insulated by a layer of permanently frozen ground, or permafrost. Fire has been almost nonexistent in Alaska's North Slope for thousands of years and the effect of fires on the carbon balance of tundra ecosystems is largely unknown. However, with warming temperatures over the past half-century, the climate in the region is in transition, spurring more thunderstorms, lightning, and wildfires.

In 2007 the Anaktuvuk River fire ravaged a 40-by-10 mile swath of tundra about 24 miles north of Toolik Field Station, where Shaver is the principal investigator of the NSF's Arctic Long-Term Ecological Research project. The blaze was the largest ever recorded in the region.

While the Anaktuvuk River fire scorched only upper soil layers that are about 50 years old, it caused the release of more than two million metric tons of CO2 to the atmosphere. This amount is similar in magnitude to the annual carbon sink for the entire Arctic tundra biome averaged over the last quarter of th
'/>"/>

Contact: Diana Kenney
dkenney@mbl.edu
508-289-7139
Marine Biological Laboratory
Source:Eurekalert

Page: 1 2

Related biology news :

1. Jefferson scientists deliver toxic genes to effectively kill pancreatic cancer cells
2. Scientists identify novel inhibitor of human microRNA
3. Argonne scientists peer into heart of compound that may detect chemical, biological weapons
4. MU scientists go green with gold, distribute environmentally friendly nanoparticles
5. Scientists identify gene that may contribute to improved rice yield
6. Scientists discover why a mothers high-fat diet contributes to obesity in her children
7. MU scientists see how HIV matures into an infection
8. Earth scientists keep an eye on Texas
9. Thinking it through: Scientists call for policy to guide biofuels industry toward sustainability
10. Scientists identify a molecule that coordinates the movement of cells
11. Scientists Find new migratory patterns for Mediterranean and Western Atlantic bluefin tuna
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/10/2014)... WINSTON-SALEM, N.C. , Dec. 9, 2014  Wake Forest ... medical education building for its School of Medicine. Funding ... a larger capital campaign that will be publicly launched ... will be located in the former 60 series R.J. ... Forest Innovation Quarter. Construction will begin immediately with plans ...
(Date:12/10/2014)... , Dec. 08, 2014 Research and Markets ... addition of the "Biometrics Market in Japan ... http://photos.prnewswire.com/prnh/20130307/600769 The ... such as rural banking and upgradation of the ... witnessed in the market. Besides the aforementioned projects, ...
(Date:12/5/2014)... 2014 Increased emphasis on product quality, ... testing and inspection technologies. The convergence of industries ... range of innovative test solutions. This trend is ... which is generally more inclined towards communication, media ... strategies of test equipment vendors will cater to ...
Breaking Biology News(10 mins):Wake Forest Baptist to Build New Medical Education Facility In Wake Forest Innovation Quarter 2Wake Forest Baptist to Build New Medical Education Facility In Wake Forest Innovation Quarter 3Wake Forest Baptist to Build New Medical Education Facility In Wake Forest Innovation Quarter 4Biometrics Market in Japan 2014-2018: Key Vendors are DDS, Fujitsu, Hitachi and NEC 2Emerging Technologies Enable Smarter Monitoring of Assets, Push Industrial Testing, Inspection and Monitoring Market 2Emerging Technologies Enable Smarter Monitoring of Assets, Push Industrial Testing, Inspection and Monitoring Market 3Emerging Technologies Enable Smarter Monitoring of Assets, Push Industrial Testing, Inspection and Monitoring Market 4
... estrogen receptors are more difficult to treat than ... Meeting 2013 demonstrates an investigational drug, Paragazole, that ... and that increases the sensitivity of these cells ... do is use triple-negative breast cancer models to ...
... identified four genes newly associated with severe childhood obesity. ... variations in severely obese children. The team found ... help to maintain protein receptors known to be involved ... targets for the development of new drugs against obesity. ...
... biologist at the Florida State University College of Medicine ... closer to understanding how life first emerged on Earth ... team produced data supporting the idea that 10 amino ... years ago were capable of forming foldable proteins in ...
Cached Biology News:Finding genes for childhood obesity 2Researcher offers clues on the origins of life 2Researcher offers clues on the origins of life 3
(Date:12/24/2014)... Vermillion, Inc. (Nasdaq:   VRML), a ... today that investors including Oracle Investment Management, ... several Vermillion directors have agreed to purchase approximately ... stock and warrants to purchase unregistered shares of ... Under the terms of the private ...
(Date:12/22/2014)... Malvern, PA & Brussels (PRWEB) December 22, 2014 ... Education (CfPIE), the global leader of technical training ... Society for Clinical Data Management (SCDM) to ... training and certification programs —providing access to the ... The partnership extends SCDM members with 10% off when ...
(Date:12/22/2014)... MISSION VIEJO, Calif. , Dec. 22, 2014 /PRNewswire/ ... announce that CoPatient, an online medical bill review and ... newest offering in the FREE WellCard Savings discount health ... a medical bill that was more than they expected ... help members reduce health care costs, WellCard Savings is ...
(Date:12/19/2014)... 19, 2014 Charm Sciences is pleased ... the Detection of Aflatoxin M1 in raw commingled milk ... third party validation. The peer reviewed report of the ... Institute for Agricultural and Fisheries Research (ILVO-T&V) has been ... Aflatoxin B1, the most toxic aflatoxin and a known ...
Breaking Biology Technology:Vermillion Announces Equity Financing of up to $18.9 Million; Suspends ATM Program 2Vermillion Announces Equity Financing of up to $18.9 Million; Suspends ATM Program 3Vermillion Announces Equity Financing of up to $18.9 Million; Suspends ATM Program 4Vermillion Announces Equity Financing of up to $18.9 Million; Suspends ATM Program 5CfPIE Announces Partnership with the Society for Clinical Data Management 2CfPIE Announces Partnership with the Society for Clinical Data Management 3WellCard Savings Announces CoPatient Medical Bill Review Service for Members 2Charm Sciences Achieves Independent Validation of First 15 Minute Quantitative Screening Method for Aflatoxin M1 2
... Complex(TM) Targets the ... Aging, EL SEGUNDO, Calif., Sept. 24 With ... AHA,s, and the,category of Internal Skincare(R), now Dr. Howard ... Murad Inc. and author of,Wrinkle-Free Forever and The Cellulite ...
... Expands Life Sciences Company,s Leadership Team, INDIANAPOLIS, ... leader in short-term and long-term biomaterials storage,sample management ... a,local life sciences leader, joins the company as ... this newly created position, Ball is responsible for ...
... Memory and Cognition Validate Clinical ... ... AMRN ) ("Amarin" or "Company") announced that the results ... (EPA) have been published in the "Journal of,Neurochemistry" (Minogue AM ...
Cached Biology Technology:Murad Boosts Skin Immunity With the New Murad(R) Professional Line 2BioStorage Technologies Appoints Lori Ball as Vice President 2BioStorage Technologies Appoints Lori Ball as Vice President 3Amarin Announces Publication of Pre-Clinical Memory Data in Journal of Neurochemistry 2Amarin Announces Publication of Pre-Clinical Memory Data in Journal of Neurochemistry 3Amarin Announces Publication of Pre-Clinical Memory Data in Journal of Neurochemistry 4Amarin Announces Publication of Pre-Clinical Memory Data in Journal of Neurochemistry 5
... Custom Synthesis Service provides you ... to knockdown any gene. We ... base pairs with terminal dT ... other lengths of your choice. ...
... is ideal for developing single and multi-analyte ... contains the new, improved, and user friendly ... can design specific templates for commercial or ... integrated graphing and data regression capabilities; the ...
Polyclonal Antibody to HADHB...
3T3 cells (RSV-transformed) Source: Cell Lysate Form: Ready to Use Application: Western Blotting Control...
Biology Products: