News tagged with frog populations
Frog's immune system is key in fight against killer virus
Feb 27, 2009 |
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(PhysOrg.com) -- Scientists from Queen Mary, University of London have discovered how changes to a frog's immune system may be the key to beating a viral infection which is devastating frog populations across the UK.
Study suggests link between agricultural chemicals and frog decline
Feb 04, 2009 |
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(PhysOrg.com) -- Around the world, amphibian populations are in decline, and scientists have not been able to figure out why. Now a study of leopard frogs in Pennsylvania has identified a possible culprit, ...
Frogs with disease-resistance genes may escape extinction
Biology /
Jul 16, 2008 |
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As frog populations die off around the world, researchers have identified certain genes that can help the amphibians develop resistance to harmful bacteria and disease. The discovery may provide new strategies to protect ...
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Research reveals old timers in the frog world
Mar 26, 2009 |
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(PhysOrg.com) -- Research at Victoria University has revealed remarkable longevity in wild populations of New Zealand native frogs, particularly in the threatened Maud Island frog (Leiopelma pakeka).
Found: First lungless frog
Biology /
Apr 07, 2008 |
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Researchers have confirmed the first case of complete lunglessness in a frog, according to a report in the April 8th issue of Current Biology, a publication of Cell Press. The aquatic frog Barbourula kalimantanensis appare ...
Harlequin frog rediscovered in remote region of Colombia
Biology /
Mar 11, 2008 |
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After 14 years without having been seen, several young scientists supported by the Conservation Leadership Programme (CLP), have rediscovered the Carrikeri Harlequin Frog (Atelopus carrikeri) in a remote mountainous region ...
Amphibians may develop immunity to fatal fungus
Apr 01, 2009 |
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Amphibian populations are declining worldwide, principally because of the spread of the fungal disease chytridiomycosis. Researchers know that some amphibian populations and species are innately more susceptible to the disease ...
Disease threat may change how frogs mate
Jul 27, 2009 |
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Dr Amber Teacher, studying a post-doctorate at Royal Holloway, University of London, has discovered evidence that a disease may be causing a behavioural change in frogs. The research, published in the August edition of Molecular Ec ...
Beavers and their dams may help amphibians
Biology /
Jan 12, 2007 |
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The dam-building beaver may be an ally in conserving wetland habitat for declining amphibian populations, a University of Alberta study said.
Research finds that low concentrations of pesticides can become toxic mixture
Nov 11, 2008 |
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Ten of the world's most popular pesticides can decimate amphibian populations when mixed together even if the concentration of the individual chemicals are within limits considered safe, according to University of Pittsburgh ...
Scientists find frog legs trade may facilitate spread of pathogens
Nov 19, 2009 |
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Most countries throughout the world participate in the $40-million-per-year culinary trade of frog legs in some way, with 75 percent of frog legs consumed in France, Belgium and the United States. Scientists ...
Biologists rediscover endangered frog population
Jul 25, 2009 |
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For the first time in nearly 50 years, a population of a nearly extinct frog has been rediscovered in the San Bernardino National Forest's San Jacinto Wilderness. Biologists from the U.S. Geological Survey (USGS) assessing ...
Frog study takes leaf out of nature's book
Biology /
Oct 25, 2007 |
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A brightly coloured tropical frog under threat of extinction is the focus of a new research project hoping to better understand how environment and diet influence its development and behaviour.
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