Navigation Links
New study reveals unexpected relationship between climate warming and advancing treelines
Date:8/12/2009

A new study reveals that treelines are not responding to climate warming as expected. The research, the first global quantitative assessment of the relationship between climate warming and treeline advance, is published in Ecology Letters and tests the premise that treelines are globally advancing in response to climate warming since 1900.

Treelines are the elevation or latitudinal limits where trees are capable of growth or survival and are considered to be early indicators of climate warming because they are constrained primarily by cold temperatures. Summer temperature is widely considered to be the primary control of treeline formation and maintenance, whereas winter temperatures have previously been considered less critical because of the insulative effects of snow. This study reveals how winter warming has overturned this prevailing view.

"Average temperatures have risen over the last century, with a more pronounced and rapid change at high altitudes and latitudes", said Ms. Melanie Harsch from the Bio-Protection Research Centre in New Zealand. "Within these zones, treelines are thought to be more temperature sensitive and so the rise in summer temperatures should result in an advance of treeline position."

Harsch and her co-authors conducted a multivariate meta-analysis, using a global dataset of 166 treeline sites with temperature data taken from the closest climate station to each site. The team used this data to analyse treeline advance throughout the 20th century and consider the contributing factors to that advance.

The team found that only 87 of the 166 sites (52%) had advanced while simultaneously the mean annual local temperatures had increased at 111 of the 166 sites at an average rate of 0.013˚C a year (or 1˚C in 77 years). Of the remaining sites, 77 (47%) remained stable and only two (1%) had treelines that receded. Both of the receding sites showed evidence of disturbance, indicating th
'/>"/>

Contact: Ben Norman
Benorman@wiley.com
44-012-437-70375
Wiley-Blackwell
Source:Eurekalert

Page: 1 2

Related biology news :

1. Childhood obesity indicates greater risk of school absenteeism, Penn study reveals
2. A study by the MUHC and McGill University opens a new door to understanding cancer
3. Study begins to reveal clues to the cause and progression of sepsis
4. Clones on task serve greater good, evolutionary study shows
5. New study warns limited carbon market puts 20 percent of tropical forest at risk
6. New study examines how rearing environment can alter navigation
7. Study links cat disease to flame retardants in furniture and to pet food
8. New continent and species discovered in Atlantic study
9. Study shows link between alcohol consumption and hiv disease progression
10. Feeling hot, hot, hot: New study suggests ways to control fever-induced seizures
11. Study finds environmental tests help predict hospital-acquired Legionnaires disease risk
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/24/2014)... in Munich have identified the structural features that ... viral and endogenous RNAs in living cells. , ... cellular metabolism and hijack cellular resources for the ... on viral RNA molecules that are delivered directly ... newly synthesized in the host cell, and provide ...
(Date:4/24/2014)... study of animal intelligence to-date finds that animals with bigger ... week in the journal Proceedings of the National Academy ... history of research aimed at understanding the animal mind. Specifically, ... and use tools, read social cues, or even understand basic ... of animal intelligence have focused on only one or a ...
(Date:4/24/2014)... could be improved with new insights into the make-up ... studying the Amazon Basin have revealed unprecedented detail of ... region by comparing satellite maps with hundreds of field ... assess more accurately the amount of carbon each tree ... offset schemes, in which trees are given a cash ...
Breaking Biology News(10 mins):Viral infections: Identifying the tell-tale patterns 2Viral infections: Identifying the tell-tale patterns 3Animals with bigger brains, broader diets have better self control 2Animals with bigger brains, broader diets have better self control 3Amazon rainforest survey could improve carbon offset schemes 2
... Ill. The overuse of nitrogen fertilizers in agriculture ... An international team of scientists aims to lessen ... similar plants boost their nitrogen production, even in areas ... Center of Plant Genomics and Biotechnology at the Technical ...
... fires and urban and agricultural areas in California is ... to a recent study published in the journal ... ecologist from the U.S. Forest Service,s Pacific Southwest Research ... at Devils Postpile National Monument in the eastern Sierra ...
... A potential new way to fight obesity-related illness has ... at the Case Western Reserve University School of Medicine. ... Cleveland Clinic Foundation and Cornell University, discovered the essential ... brought on by obesity. "The implications of our findings ...
Cached Biology News:Strengthening legumes to tackle fertilizer pollution 2Air pollution diminishing air quality at Devils Postpile National Monument 2Vitamin E identified as potential weapon against obesity 2Vitamin E identified as potential weapon against obesity 3
(Date:1/14/2014)... , Jan. 14, 2014  3D Communications, a leading provider of ... regulatory, business, and media events in the United States ... former associate Virginia Cox , JD, is returning to the ... Virginia Cox re-joins 3D after more than two years of ...
(Date:1/14/2014)... , Jan. 14, 2014 The largest ... research medicinal plants and therapeutic derivatives thereof has ... professionals, and researchers about the challenges of adulterated ... http://photos.prnewswire.com/prnh/20100430/DC95601LOGO ) The Society for ...
(Date:1/14/2014)... (PRWEB) January 14, 2014 In recent ... motives and methods in product development and promotion has ... industry. This mistrust, fueled by concerns about the insidious ... by reports of spectacular fines to the world’s biggest ...
(Date:1/14/2014)... Ontario , Jan. 14, 2014   Kinaxis ®, provider ... SCM ) and sales and operations planning ( S&OP ) ... Biomanufacturing Summit , which will be held at the ... the conference, join Kinaxis customer Elisabeth Kaszas , Director ...
Breaking Biology Technology:Former FDA Associate Commissioner Returns To 3D Communications 2World's Largest Group of Medicinal Plant Researchers Endorses ABC-AHP-NCNPR Botanical Adulterants Program 2World's Largest Group of Medicinal Plant Researchers Endorses ABC-AHP-NCNPR Botanical Adulterants Program 3World's Largest Group of Medicinal Plant Researchers Endorses ABC-AHP-NCNPR Botanical Adulterants Program 4World's Largest Group of Medicinal Plant Researchers Endorses ABC-AHP-NCNPR Botanical Adulterants Program 5World's Largest Group of Medicinal Plant Researchers Endorses ABC-AHP-NCNPR Botanical Adulterants Program 6World's Largest Group of Medicinal Plant Researchers Endorses ABC-AHP-NCNPR Botanical Adulterants Program 7World's Largest Group of Medicinal Plant Researchers Endorses ABC-AHP-NCNPR Botanical Adulterants Program 8The Sunshine Act: Necessary Regulation or Unnecessary Dysregulation? New Life Science Webinar Hosted by Xtalks and IRB Services 2The Sunshine Act: Necessary Regulation or Unnecessary Dysregulation? New Life Science Webinar Hosted by Xtalks and IRB Services 3Event Alert: Kinaxis Customer to Present at the Biomanufacturing Summit "Supply Chain: Improving Network Effectiveness" 2
... a bill Friday designed to promote capital investment and ... loans. The legislation, SB 261 , was only ... Ted Kanavas, R-Brookfield, to hit the Assembly floor this ... the Wisconsin Capital Companies Program, (WISCAP) is a revised ...
... MILWAUKEE - The benefits of switching to voice over ... meeting at the Italian Community Center in Milwaukee. Nearly ... their experiences with VoIP. , ,Clear reasons for switching ... and Pat Scheckel, VoIP practice director for Berbee Information ...
... MADISON - Inacom Education , announced today that it ... of Microsoft Technology Trainers United Training. United Training ... Technology training centers from around the country who have met ... membership. , , In order to qualify for ...
Cached Biology Technology:Wisconsin Assembly passes capital investment bill, revised CAPCO program not presented 2Wisconsin Assembly passes capital investment bill, revised CAPCO program not presented 3VoIP: Are we there yet? 2
Mouse monoclonal [TU-20] to beta III Tubulin (FITC) ( Abpromise for all tested applications). entrezGeneID: 10381 SwissProtID: Q13509...
Phospho-FKHR (Thr24)/FKHRL1 (Thr32) Antibody...
Mouse anti-Insulin-Like-3 Class: Antibody Product Group: Adipokine and Obesity related...
... BRF2 Immunogen Synthetic peptide: QAARQAATSVPNPP, corresponding ... BRF2. Reactivity / Specificity Cross-reacts with ... Background Information BRF2 is one of the ... factor complex required for transcription of genes with ...
Biology Products: