News tagged with tree mortality
Hurricane damage to forests: Scientists study impacts on carbon cycle
(PhysOrg.com) -- When we think of carbon emissions that exacerbate global climate change most of us probably think of the exhaust from automobiles and other vehicles, or smoke billowing from rows of stacks ...
May 04, 2011 |
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Tree deaths have doubled across the western US
(PhysOrg.com) -- A new study led by the U.S. Geological Survey and involving the University of Colorado at Boulder indicates tree deaths in the West's old-growth forests have more than doubled in recent decades, ...
Jan 22, 2009 |
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A look back suggests a sobering future of wildfire dangers in US west
The American West has seen a recent increase in large wildfires due to droughts, the build-up of combustible fuel, or biomass, in forests, a spread of fire-prone species and increased tree mortality from insects and heat.
Feb 14, 2012 |
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Climate change blamed for dead trees in Africa
Trees are dying in the Sahel, a region in Africa south of the Sahara Desert, and human-caused climate change is to blame, according to a new study led by a scientist at the University of California, Berkeley.
Dec 12, 2011 |
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Fuel treatments reduce wildfire severity, tree mortality in Washington forests
A study conducted by U.S. Forest Service and University of Washington (UW) scientists has found that fuel treatments—even of only a few acres—can reduce fire severity and protect older trees desirable for their timber, wildlife, ...
Aug 25, 2010 |
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Staggering tree loss from 2005 Amazon storm
A single, huge, violent storm that swept across the whole Amazon forest in 2005 killed half a billion trees, a new study shows.
Jul 12, 2010 |
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Risk of beetle outbreaks rise, along with temperature, in the warming West
The potential for outbreaks of spruce and mountain pine beetles in western North America's forests is likely to increase significantly in the coming decades, according to a study conducted by USDA Forest Service researchers ...
Sep 08, 2010 |
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