Navigation Links
Arctic snow harbors deadly assassin
Date:6/19/2011

Heavy and prolonged snowfall can bring about unexpected conditions that encourage fungal growth, leading to the death of plants in the Arctic, according to experts.

A new international study confirms that whilst snow has an insulating effect which helps plants to grow bigger, heavy and prolonged snow can, in certain circumstances, also encourage the rapid and extensive growth of killer fungal strains.

The research results, published in the journal Nature Climate Change, show for the first time the potential long term effects of unexpected fungal development on an arctic landscape. Extensive damage to a pervasive species under snowier conditions would leave gaps for another plant to take its place over time but could also alter the foodweb for insects, voles, lemmings and their predators.

Co-author of the report, Dr. Robert Baxter, School of Biological and Biomedical Sciences, Durham University, said: "We were surprised to find that this extremely hardy tundra vegetation was killed off by fungal attack.

"In the first few years, as expected, the insulating effect of the snow helped the vegetation to grow, but after six years a tipping point was reached where the fungus spread with great speed and destroyed the plants.

"We need to look more carefully in the future at longer term vegetation and fungus life cycles to see if this is something that could recur and be more destructive over time."

The research team from Durham University, UK; Ume University, the Swedish University of Agricultural Sciences, Uppsala, Sweden; and the Finnish Forest Research Institute, compared the effects of normal snowfall conditions and increased snow conditions on vegetation.

Researchers used snow fences to maintain increased snow conditions, and found that the fungus, Arwidssonia empetri, increased under heavier and prolonged snow cover killing the majority of the shoots of one of the dominant plant species in that
'/>"/>

Contact: Dionne Hamil
dionne.hamil@dur.ac.uk
44-191-334-6078
Durham University
Source:Eurekalert

Page: 1 2

Related biology news :

1. Arctic sea ice thinning at record rate
2. FSU Historians Arctic research has him sitting on top of the world
3. First comprehensive inventory of life in Antarctica
4. ESA satellites focusing on the Arctic
5. Arctic heats up more than other places
6. Global warming threatens Antarctic sea life
7. Marine scientists to assess environment before offshore drilling begins in US arctic waters
8. CO2 drop and global cooling caused Antarctic glacier to form
9. Final frontier: Mission to explore buried ancient Antarctic lake given green light
10. UK robot sub searches for signs of melting 60 km into an Antarctic ice shelf cavity
11. Arctic governments and industry still unprepared for oil spills 20 years after Exxon Valdez
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/13/2015)... , April 13, 2015 ... Research, "Global Biometrics Market Forecast & Opportunities, 2020", the ... CAGR of around 14% till 2020. The biometrics ... large scale implementation and review of biometric management ... of new products with greater efficiency, are resulting ...
(Date:4/9/2015)... Calif. , April 9, 2015 Synaptics ... interface solutions, announced today that it will report financial ... Thursday, April 23, 2015, after the close of market. ... analysts and investors at 2:00 p.m. PT (5:00 p.m. ... To participate on the live call, analysts ...
(Date:4/2/2015)... , April 2, 2015 ... tests DERMALOG by far outperforms the strongest competitors, ... maintaining high accuracy, the system is capable of ... the speed proves up to be ten times ... than its runner-up performance.      (Photo: ...
Breaking Biology News(10 mins):Global Biometrics Market to Cross US$ 21 Billion by 2020: TechSci Research 2Synaptics to Report Third Quarter Results on April 23 2DERMALOG AFIS Emerges as Performance Winner in NIST Benchmark Test 2DERMALOG AFIS Emerges as Performance Winner in NIST Benchmark Test 3
... harmful to wild fish, according to an essay in this ... Neil Frazer of the Department of Geology and Geophysics at ... cause nearby wild fish to decline. The foundation of his ... infection lowers the fitness of the fish. For ...
... The elevated carbon dioxide levels expected to be found in ... impairments of jumbo (or Humboldt) squid, according to research by ... study by Brad Seibel, URI assistant professor of biological sciences, ... the faculty at the University of Lisbon, Portugal, is reported ...
... a patient-centered, care management program utilizing nurse care managers ... coordination systems reduce the rate of deaths and hospitalizations ... based on a three-year study involving more than 3,400 ... University researcher David A. Dorr, M.D. appears to ...
Cached Biology News:Ocean fish farming harms wild fish, study says 2Ocean acidification from CO2 emissions will cause physiological impairment to jumbo squid 2Proactive care saves lives of seniors, study finds 2Proactive care saves lives of seniors, study finds 3
(Date:4/17/2015)... - SQI Diagnostics Inc. (TSX-V: SQD; OTCQX: SQIDF), a ... commercializes proprietary technologies and products for advanced microarray ... approval from the TSX Venture Exchange to extend ... warrants ("the Warrants") of the Company, which were ... private placement financing. Each Warrant entitles ...
(Date:4/17/2015)... BellBrook Labs announced today that ... the powerful Orthogonal Pooled Screening (OPS) Platform developed ... the Lankenau Institute for Medical Research (LCGC) in ... improve successful drug discovery outcomes using far more ... libraries available nowhere else, coupled to a state-of-the-art ...
(Date:4/16/2015)... Miami, FL (PRWEB) April 16, 2015 ... therapy cap distribution and physician network in Europe ... marketing company has appointed Fernando Bermúdez, former Business ... Director. , An industry veteran, Mr. Bermúdez’s professional ... by 75% in Spain, while also penetrating the ...
(Date:4/16/2015)... OncoTAb, Inc., a ... spin-out company, announced today the appointment of physician ... Chief Operating Officer (COO). Cooper brings to OncoTAb ... clinical diagnostic and biotechnology platforms in the fields ... extensive career transcends the field of medical and ...
Breaking Biology Technology:SQI Diagnostics to Extend Warrant Expiry 2SQI Diagnostics to Extend Warrant Expiry 3BellBrook Labs and Lankenau Institute Partner to Accelerate Drug Discovery using Orthogonal Pooled Screening 2Capillus, LLC Extends Laser Hair Therapy Products to Europe and Asia 2OncoTAb Names Dr. David L. Cooper as COO 2
... 4 Imaging,Diagnostic Systems, Inc., (OTC Bulletin Board: ... systems, has shipped a CT Laser Mammography,(CTLM(R)) system ... Lumpur,Malaysia, the first such scanner in the country. ... CTLM system will be installed at UPM,s academic ...
... PHRM ) today announced that Erle Mast, the Company,s ... corporate overview at,the Bear Stearns 2007 Healthcare Conference in ... 4:00 p.m. (Eastern) on Monday,September 10, 2007 at the ... will be a live webcast of the presentation from ...
... and Advisor to ForSight ... ... Morgenthaler Ventures, (http://www.morgenthaler.com/ventures ), a leading venture capital firm focused ... Plain as partner in its Menlo Park office. Plain brings,significant entrepreneurial ...
Cached Biology Technology:Imaging Diagnostic Systems New Laser Breast Imaging Scanner Introduced in Malaysia 2Hank Plain Joins Morgenthaler Ventures as Partner 2Hank Plain Joins Morgenthaler Ventures as Partner 3
... are preactivated with carbonyl diimidazole chemistry that ... The PS10 array contains the same binding ... with an updated hydrophobic barrier coating. These ... mm diameter spots spatially compatible with one ...
... Second Mitochondria Derived Activator of Caspase/DIABLO ... mM HEPES, pH 7.5 AVOID FREEZE/THAW CYCLES. Amino ... with a carboxy terminal His•Tag ® sequence ... coli . Smac/DIABLO is released along with cytochrome ...
...
... Fixed clamp trays and universal ... Magnetic drive Shaking ... 25 mm amplitude ... to 2000 ml, including Fernbach flasks ...
Biology Products: