Navigation Links
Study finds hemlock trees dying rapidly, affecting forest carbon cycle
Date:2/26/2009

Otto, NC New research by U.S. Forest Service Southern Research Station (SRS) scientists and partners suggests the hemlock woolly adelgid is killing hemlock trees faster than expected in the southern Appalachians and rapidly altering the carbon cycle of these forests. SRS researchers and cooperators from the University of Georgia published the findings in the most recent issue of the journal Ecosystems.

"The study marks the first time that scientists have tracked the short-term effects hemlock woolly adelgid infestations are having on the forest carbon cycle," said Chelcy Ford, SRS ecologist and co-author of the paper.

Eastern hemlock, a keystone species in the streamside forests of the southern Appalachian region, is already experiencing widespread decline and mortality because of hemlock woolly adelgid (a tiny nonnative insect) infestation. The pest has the potential to kill most of the region's hemlock trees within the next decade. As a native evergreen capable of maintaining year-round transpiration rates, hemlock plays an important role in the ecology and hydrology of mountain ecosystems. Hemlock forests provide critical habitat for birds and other animals; their shade helps maintain the cool water temperatures required by trout and other aquatic organisms in mountain streams.

Scientists conducted the study in mixed hardwood forests along the edges of two streams at the SRS Coweeta Hydrologic Laboratory, a 5,600-acre research facility and experimental forest in the Nantahala Mountain Range of western North Carolina.

Researchers compared rates of decline of adelgid-infested hemlock trees to a small number of girdled (severely wounded the bark of a tree to initiate tree mortality) trees that were not infested. Researchers tracked changes in the carbon cycle of these hemlock stands over a 3-year period. Scientists measured components of the forest carbon cycle including tree growth, leaf litter and fine roo
'/>"/>

Contact: Stevin Westcott
swestcott@fs.fed.us
828-259-0512
Southern Research Station - USDA Forest Service
Source:Eurekalert

Page: 1 2

Related biology news :

1. Evolutionary biologist will study HIV with grant from AIDS research foundation
2. Study examining role of genetics and environment in type 1 diabetes
3. UNH researchers studying spiny dogfish, Gulf of Maines mini shark
4. Lower increases in global temps could lead to greater impacts than previously thought, study finds
5. NC State study finds genes important to sleep
6. Study links seabird deaths to soap-like foam produced by red-tide algae
7. Study finds most wars occur in Earths richest biological regions
8. Study finds life-saving trend among seagulls
9. The Earth Observatory of Singapore devoted to the study of earth sciences officially opens
10. Press statement on new CDC MRSA study from SHEA president
11. Historical photographs expose decline in Floridas reef fish, new Scripps study finds
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/28/2015)... According to a new market ... Type (Pen & Paper Based, Hosted, Biometrics), Service, Application ... Research), Vertical and Region - Global Forecast to 2020", ... grow from USD 2.4 Billion in 2015 to USD ... Rate (CAGR) of 25.6% from 2015 to 2020. ...
(Date:8/24/2015)... Africa , August 24, 2015 ... Germany ,s largest biometrics manufacturer DERMALOG and its customized ... the "2015 African Biometrics Company of the Year Award". DERMALOG ... Nigeria .   -Cross reference: Picture ... http://www.presseportal.de/nr/8896 - On Thursday evening, in ...
(Date:8/20/2015)... 20, 2015   Sensory, Inc ., a ... user experience and security of consumer electronics through ... that its TrulySecure™ is the first ... be FIDO Certified™. The FIDO (Fast ... the FIDO UAF (Universal Authentication Framework) 1.0 specifications, ...
Breaking Biology News(10 mins):Cognitive Assessment and Training Market Worth 7.5 Billion USD by 2020 2Cognitive Assessment and Training Market Worth 7.5 Billion USD by 2020 3Cognitive Assessment and Training Market Worth 7.5 Billion USD by 2020 4Frost & Sullivan Honors DERMALOG with Biometrics Prize for Achievements in Africa 2Frost & Sullivan Honors DERMALOG with Biometrics Prize for Achievements in Africa 3TrulySecure From Sensory Becomes First Face and Voice Biometrics Technology to be FIDO UAF Certified 2TrulySecure From Sensory Becomes First Face and Voice Biometrics Technology to be FIDO UAF Certified 3TrulySecure From Sensory Becomes First Face and Voice Biometrics Technology to be FIDO UAF Certified 4TrulySecure From Sensory Becomes First Face and Voice Biometrics Technology to be FIDO UAF Certified 5
... the most aggressive and least treatable forms of breast cancer ... cancer cells, scientists used a virus similar to the one ... a protein which makes them susceptible to radioactive iodine. This ... The FASEB Journal . Please note that human ...
... the Price Family Foundation to the University of Oklahoma ... University will create the first ever anaerobic structural biology ... will be dedicated to advancing groundbreaking research with biomedical ... Institute of Structural Biology in the Stephenson Life Sciences ...
... been awarded 12 million funding for a new UK synthetic ... open source data has stimulated innovation in computing, OpenPlant will ... researchers and entrepreneurs develop and share new tools and libraries ... University of Cambridge and the John Innes Centre on Norwich ...
Cached Biology News:Engineered virus is effective against triple negative breast cancer cells 2Price Family Foundation gift will create groundbreaking structural biology institute 2Cambridge and Norwich win major boost for synthetic biology 2
(Date:8/31/2015)... , Aug. 31, 2015 Research and Markets ... "Argentina Biomedical Sensors Market - Growth, Trends & ... The Argentina Biomedical Sensors market is estimated at ... over the period 2014-2020 The near future ... genetic formulation of each individual. These sensors can be ...
(Date:8/31/2015)... -- For people with Down syndrome, news from Elixirgen, ... located in the Science + Technology Park at Johns ... yet for people with Down syndrome and other chromosome disorders ... and Edwards syndrome aneuploidies in human cell cultures, " ... plans to develop this technology into a treatment for ...
(Date:8/31/2015)... SHANGHAI , Aug. 31, 2015 /PRNewswire/ ... next-generation antibiotics, today announced positive top-line results from ... lead drug candidate MRX-I. MRX-I is an oral ... as MRSA and VRE, while offering physicians and ... than currently available oxazolidinone agents. ...
(Date:8/31/2015)... ... August 31, 2015 , ... Regulatory agencies have ... drug development approval process. Thus, innovator companies must understand what will be needed ... Chicago-based CMO, has been hosting multiple educational panels and seminars for experts to ...
Breaking Biology Technology:Argentina Biomedical Sensors Market Report 2015 - Growth, Trends & Forecasts 2014-2020 2New Down syndrome therapy discovered 2MicuRX Reports Positive Top-Line Results In Phase 2 Clinical Trial For Novel Antibiotic MRX-I In Complicated Skin And Soft Tissue Infections 2Regis Shares Expert Advice on Impurities in Drug Development 2Regis Shares Expert Advice on Impurities in Drug Development 3
... high tech development, opportunities for business growth, ... shows Ohio,colleges and universities increased academic research expenditures ... money than ever into high,technology R&D sectors throughout ... for high tech research, development and,commercialization, especially in ...
... Medivation, Inc.,(Nasdaq: MDVN ) today announced that ... at the Acumen BioFin Rodman & Renshaw 9th,Annual Healthcare ... at the New York Palace Hotel. Dr. Hung ... programs for Dimebon(TM) for Alzheimer,s and Huntington,s,diseases and MDV3100 ...
... (Nasdaq: ANDS ) announced today that it will ... Healthcare Conference on Tuesday,November 6, 2007, at 4:25 p.m. ... the New York Palace Hotel. Steve Worland, Ph.D., ... present an overview of Anadys and its two,development-stage product ...
Cached Biology Technology:Ohio Academic Institutions Increase Research and Development Investments 2Ohio Academic Institutions Increase Research and Development Investments 3Medivation Announces Participation in Acumen BioFin Rodman & Renshaw 9th Annual Healthcare Conference 2Anadys Pharmaceuticals to Present at the Acumen BioFin Rodman & Renshaw Healthcare Conference 2
Request Info...
... IEC Microtube Rotor is TWO ROTORS in ... rotors. You can spin both 1.5 ... Exclusive polypropylene rotor design provides excellent chemical ... Polypropylene rotors are fully compatible with common ...
... 384, compatible with hood ... handling system for 384-well ... accurately prepares large quantities ... The Wellpro also performs ...
... offers lower consumption of reagents and ... The Multidrop 384 is an automated ... microvolume dispensing into 384- and 96-well ... It can easily switch from 96- ...
Biology Products: