Navigation Links
Life on the edge: To disperse, or become extinct?
Date:6/23/2008

(Kingston, ON) The hardiest plants and those most likely to survive the climatic shifts brought about by global warming are now easier to identify, thanks to new research findings by a team from Queen's University.

"Predicting the speed at which plants are likely to migrate during climate warming could be key to ensuring their survival," says Queen's Biology professor Christopher Eckert.

Populations of plants growing at the outer edges of their natural "geographic range" exist in a precarious balance between extinction of existing populations and founding of new populations, via seed dispersal into vacant but suitable habitat. "Policy makers concerned with preserving plant species should focus not only on conserving land where species are now, but also where they may be found in the future," says Dr. Eckert.

This observation stems from his recent study published in the scientific journal New Phytologist which shows for the first time that natural selection gives a boost to the seed dispersal traits of those plants growing at the edges of their natural ranges.

If species are going to persist in the face of a changing climate, they must move to stay within the climate zone to which they are best adapted, Dr. Eckert explains. Their ability to relocate with shifts in regional climate brought about by global warming will largely depend on their capacity for dispersal, especially in populations near the limit of their geographical distributions.

With undergraduate student Emily Darling and PhD student Karen Samis, Dr. Eckert studied the geographic distribution and dispersal biology of Abronia umbellata (pink sand verbena), a flowering plant endemic to the Pacific coastal dunes of North America. By surveying plants throughout the 2000-km geographic range, and measuring seed dispersal with a wind tunnel in the Faculty of Applied Sciences, they showed that plants at range limits produce seeds with larger
'/>"/>

Contact: Nancy Dorrance
nancy.dorrance@queensu.ca
613-533-2869
Queen's University
Source:Eurekalert  

Page: 1 2

Related biology news :

1. UNH becomes first university in nation to use landfill gas as primary energy source
2. Scientists find how amber becomes death trap for watery creatures
3. Mandate for public access to NIH-funded research poised to become law
4. Could hairy roots become biofactories?
5. Computers explain why pears may become brown during commercial storage
6. First rule of evolution suggests that life is destined to become more complex
7. Making sure the wonder materials dont become the wonder pollutant
8. Computation to unravel how genes are regulated and shed light on how cells become different
9. A protein sequence associated with Huntington’s disease may become life-saving vaccine component
10. Refusal of suicide order: Why tumor cells become resistant
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Life on the edge: To disperse, or become extinct?
(Date:12/17/2014)... Dec. 15, 2014 Research and Markets ( ... "Samsung Galaxy S5 - Home Button Synaptics Fingerprint Sensor ... http://photos.prnewswire.com/prnh/20130307/600769 Based on ... Samsung introduces for the first time a fingerprint sensor ...
(Date:12/17/2014)... 2014 Valencell, a leader in performance biometric data ... industry leaders such as Intel, Jabra, Atlas, and Scosche ... products. These products will be showcased at CES 2015, ... . "Our partners choose PerformTek ...
(Date:12/15/2014)... DUBLIN , Dec. 12, 2014 Research and Markets ... of the "Global Facial Recognition Market 2015-2019" ... http://photos.prnewswire.com/prnh/20130307/600769 Facial recognition is a technology ... measures the overall facial feature of a person such ...
Breaking Biology News(10 mins):Samsung Galaxy S5 - Home Button Synaptics Fingerprint Sensor Technology Analysis 2Valencell PerformTek Biometrics Power the Most Accurate Wearables at CES 2015 2Global Facial Recognition Market 2015-2019: Key Vendors are 3M Cogent, Cognitec Systems, NEC and Safran Group 2Global Facial Recognition Market 2015-2019: Key Vendors are 3M Cogent, Cognitec Systems, NEC and Safran Group 3
... This release is available in Spanish . ... and their relation to precipitation is the title of the ... the Basque Country (UPV/EHU). In fact, since systems for the detection ... possibility of estimating the precipitation produced in a storm as a ...
... Mich. --- Lakes, streams and wetlands are not isolated ... colleagues are pioneering a new field of research to ... Patricia Soranno, associate professor of fisheries and wildlife, ... to gauge land use and climate change,s impact on ...
... A person,s ability to battle viruses at the cellular ... prions misfold and cluster native proteins to cause disease, ... marks the first discovery of so-called "good" prion-like proteins ... proteins involved in innate immunity: the way the body ...
Cached Biology News:Lightning is less frequent in winter, but is much more noticeable than in summer 2Lightning is less frequent in winter, but is much more noticeable than in summer 3MSU professor launches new field of water research, nets $2.2 million NSF grant 2'Good' prion-like proteins boost immune response, UT Southwestern scientists report 2
(Date:1/22/2015)... (PRWEB) January 22, 2015 Pipette.com has ... to their comprehensive portfolio of Eppendorf products. , ... to purchase a Centrifuge 5424/5424 R and receive the ... either Eppendorf Research plus or Eppendorf Reference 2 ...
(Date:1/22/2015)... Selexis SA, a serial innovation company ... (RCBs) used for drug discovery to commercial manufacturing, announced ... Next-Generation Sequencing (NGS) data packages. The NGS ... by ensuring the integrity of the gene, validation of ...
(Date:1/22/2015)... , Jan. 22. 2015  Varian Medical Systems (NYSE: ... has been honored for its commitment to sustainability with inclusion ... Varian is the highest ranked healthcare equipment company among the ... during the World Economic Forum at Davos, Switzerland ...
(Date:12/24/2014)...  United Therapeutics Corporation (NASDAQ: UTHR ) announced ... has submitted a pre-market approval application to the U.S. ... Medtronic,s SynchroMed ® II implantable drug infusion system ... Therapeutics, Remodulin ® (treprostinil) Injection delivered intravenously to ...
Breaking Biology Technology:Eppendorf Announces Promotional Bundle Which Includes: Eppendorf Centrifuge 5424, 3-Pack of Pipettes, and Tips - Available Now at Pipette.com 2Selexis Generated Research Cell Banks Now Fully Sequenced Using Next-Generation Sequencing 2Varian Honored Among World's 100 Most Sustainable Corporations 2United Therapeutics Announces Submission Of Pre-Market Approval Application For Implantable Drug Infusion System To Deliver Remodulin 2United Therapeutics Announces Submission Of Pre-Market Approval Application For Implantable Drug Infusion System To Deliver Remodulin 3United Therapeutics Announces Submission Of Pre-Market Approval Application For Implantable Drug Infusion System To Deliver Remodulin 4
... of Dane County's largest health systems, Gov. Jim Doyle ... to help healthcare providers convert to electronic health records. , ,But ... the east clinic of Dean Health Systems in Madison, ... address. In that speech, Doyle is expected to outline key initiatives ...
... that could lead to a local expansion, Cardinal Health ... technologies and services (PTS) segment, including the Middleton-based Gala ... billion in cash. , ,Cardinal Health, a Dublin, Ohio-based provider ... since 2002. The transaction is not expected to immediately impact ...
... in a series of articles on developing start-up companies in the ... - By now you have clarified what your intellectual property ... to form an entity. In this column, we will discuss ... find most useful at this early stage. , ,In today's landscape, ...
Cached Biology Technology:Doyle seeks $30M for e-medical record adoption 2Doyle seeks $30M for e-medical record adoption 3Gala Biotech among companies sold for $3.3 billion 2Early Stage: Step 5 - Forming the entity 2Early Stage: Step 5 - Forming the entity 3Early Stage: Step 5 - Forming the entity 4
Designed for use with the Agencourt CleanSEQ and Agencourt AMPure 384-well SPRI reagent kits. For use with 384-well thermal cycling plates....
... ScriptCap™ m7G Capping system ... and all of the components ... 0 on the end of ... These kits feature high efficiency ...
... Life Science FLA-5100 imaging system allows imaging ... as 40 x 46cm at a pixel ... system is especially suitable for protein electrophoresis ... analysis for genomics., Fuji s FLA-5100 includes ...
... The new FLA-5000 imaging ... and radioisotopic samples as large ... resolutions as low as 25 ... suitable for protein electrophoresis in ...
Biology Products: