Navigation Links
Method of studying roots rarely used in wetlands improves ecosystem research
Date:10/13/2011

OAK RIDGE, Tenn. -- A method of monitoring roots rarely used in wetlands will help Oak Ridge National Laboratory researchers effectively study the response of a high-carbon ecosystem to elevated temperatures and levels of carbon dioxide.

Colleen Iversen, ORNL ecosystem ecologist, and an international group of experts, worked to develop a consensus on the use of minirhizotrons, or tiny video cameras that take images of roots, in wetlands. Minirhizotrons are an improvement over previous technology because they don't harm the plants and allow researchers to examine a living root in the context of a soil environment.

"One of the benefits of minirhizotron technology is the ability to track the birth and death of individual roots," said Iversen. "Root activity is integral to plant survival in wetlands that store a substantial amount of carbon in deep soil organic matter deposits but have limited nutrients available for plant uptake and use."

Ultimately, the minirhizotrons will be placed in a black spruce bog in Minnesota, the site for the multi-year experiment SPRUCE, or Spruce and Peatland Responses Under Climatic and Environmental Change. Chambers placed in the site will allow researchers to manipulate air and soil temperatures and levels of carbon dioxide in an intact bog a wetland that accumulates a deposit of dead plant material.

Understanding and improving the capabilities of these mini cameras will help the SPRUCE researchers study fine roots, which are responsible for plant water and nutrient uptake.

"Minirhizotrons are the best way to get at the dynamics of this short-lived and important root population, especially in a long-term experiment like SPRUCE where we can't be too destructive in our soil measurements," Iversen said.

One of the reasons scientists are interested in high-carbon ecosystems like the Minnesota bog is because they cover only three percent of global land surface, but store nearly one-third of terrestrial carbon. If the planet continues to warm, researchers hypothesize that bogs will dry out and more oxygen will be made available for microbial decomposition, which could lead to a massive release of carbon into the atmosphere, resulting in more warming.

Additionally, more precise studies of roots will help researchers effectively model roots and be able to better predict what role they will play in nutrient cycling and storing carbon belowground.


'/>"/>
Contact: Emma MacMillan
macmillanee@ornl.gov
865-241-9515
DOE/Oak Ridge National Laboratory
Source:Eurekalert  

Related biology news :

1. New method cleans up textile industrys most dangerous chemicals
2. MU researchers unveil new method for detecting lung cancer in Nature article
3. Human Gene Therapy expands with robust new methods journal
4. UH researchers work to develop screening method for superbug
5. Rice unveils new method to grow synthetic collagen
6. Novel method for increasing antibiotic yields
7. New imaging method sheds light on cell growth
8. Scientists receive grant to develop new DNA sequencing method
9. Improved method for capturing proteins holds promise for biomedical research
10. New method for making human-based gelatin
11. Scientists develop method to determine order of mutations that lead to cancer
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Method of studying roots rarely used in wetlands improves ecosystem research
(Date:2/8/2017)... About Voice Recognition Biometrics Voice recognition biometrics ... a stored voiceprint template. Acoustic features of an ... are compared to distinguish between individual voices. Voice ... PCs already have a microphone and can authenticate ... are most likely to be deployed in telephone-based ...
(Date:2/8/2017)... 2017 Report Highlights The global ... $8.3 billion in 2016 at a compound annual growth ... Report Includes - An overview of the global market ... data from 2015 and 2016, and projections of compound ... the market on the basis of product type, source, ...
(Date:2/6/2017)... 2017 According to Acuity Market Intelligence, ... authorities to continue to embrace biometric and digital ... Automated Border Control (ABC) eGates and 1436 Automated ... than 163 ports of entry across the globe. ... a combined CAGR of 37%. APC Kiosks reached ...
Breaking Biology News(10 mins):
(Date:2/22/2017)... Fort Washington, PA (PRWEB) , ... ... ... The Omnia-Prova Education Collaborative (TOPEC), the leading medical education provider of ... Accreditation with Commendation by the Accreditation Council for Continuing Medical Education (ACCME). ...
(Date:2/22/2017)... Dublin - Research ... Crop Protection (Bio-Pesticide) Market-By Type, By Application, By End User, By ... offering. ... Biological Crop Protection Market is forecasted to grow at a CAGR ... biopesticide or biological crop protection market is driven by the surging ...
(Date:2/22/2017)... ... February 22, 2017 , ... Pharma and biotech ... as European director. Operating from Pennside’s Zurich headquarters, Pennside Partners, GmbH, Mr. Perkins ... Pennside after more than a decade with leading market research firm, GfK. He ...
(Date:2/21/2017)... - SQI Diagnostics Inc. ("SQI" or the "Company") (TSX-V: SQD; OTCQX: ... months ended December 31, 2016. SQI is ... company that develops and commercializes proprietary technologies and products for ... ... milestones achieved in fiscal 2016," said Andrew Morris , ...
Breaking Biology Technology: