Variable tree growth after fire protects forests from future bark beetle outbreaks
Do severe wildfires make forests in the western United States more susceptible to future bark beetle outbreaks?
Do severe wildfires make forests in the western United States more susceptible to future bark beetle outbreaks?
Environment
Nov 7, 2016
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On an African plateau surrounded by flat-topped trees as far as the eye could see, wind whistled through the acacia thorns like someone blowing across a bottle. Kathleen Rudolph was more concerned with the ants raining down ...
Plants & Animals
Mar 18, 2016
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A new study reconstructing the evolutionary tree of flu viruses challenges conventional wisdom and solves some of the mysteries surrounding flu outbreaks of historical significance.
Evolution
Feb 16, 2014
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Many animals construct homes or shelters to escape from biological and physical hostilities. Birds, spiders, termites, ants, bees and wasps are the most famous animal architects. As shelter construction requires considerable ...
Plants & Animals
Sep 27, 2013
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A recent study by a team of scientists from the U.S. Forest Service's Pacific Southwest and Pacific Northwest research stations, and the University of Idaho confirms the important role climate plays on bark beetle outbreaks. ...
Ecology
Nov 12, 2012
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Periodic outbreaks of bark beetles can cause annual losses of millions of dollars and pose serious challenges for forest managers, and the suppression of outbreaks is particularly difficult and expensive.
Ecology
Apr 23, 2012
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Studying self-replicating genetic units, called plasmids, found in one of the world's widest-ranging pathogenic soil bacteria -- the crown-gall-disease-causing microorganism Agrobacterium tumefaciens -- Indiana University ...
Cell & Microbiology
Feb 1, 2012
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Survival in the depths of the tropical rainforest not only depends on a species' ability to defend itself, but can be reliant on the type of cooperation researchers discovered between ants and tropical trees. The research, ...
Plants & Animals
May 12, 2011
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The genome of the fungus that helps mountain pine beetles infect and kill lodgepole pines has been decoded in a University of British Columbia study.
Biotechnology
Jan 24, 2011
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(PhysOrg.com) -- Chemicals emitted by citrus plants and their relatives that attract Asian citrus psyllids are being tested by U.S. Department of Agriculture (USDA) scientists and their cooperators, and could help control ...
Ecology
Dec 8, 2010
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