News tagged with tree deaths
Yellow-cedar are dying in Alaska: Scientists now know why
Yellow-cedar, a culturally and economically valuable tree in southeastern Alaska and adjacent parts of British Columbia, has been dying off across large expanses of these areas for the past 100 years. But ...
Feb 01, 2012 |
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The case of the dying aspens
Over the past 10 years, the death of forest trees due to drought and increased temperatures has been documented on all continents except Antarctica. This can in turn drive global warming by reducing the amount of carbon dioxide ...
Dec 12, 2011 |
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'Southern Pine Beetle II': Current state of knowledge on an important forest pest
The USDA Forest Service Southern Research Station (SRS) today announced the publication of a new synthesis of research on the southern pine beetle, a native bark beetle that impacts both the economic and ecological well-being ...
Oct 25, 2011 |
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Firewood movement leading cause of oak infestation in San Diego County
A catastrophic infestation of the goldspotted oak borer, which has killed more than 80,000 oak trees in San Diego County in the last decade, might be contained by controlling the movement of oak firewood from that region, ...
Sep 02, 2011 |
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Mountain pine beetle activity may impact snow accumulation and melt
A new University of Colorado Boulder study indicates the infestation of trees by mountain pine beetles in the high country across the West could potentially trigger earlier snowmelt and increase water yields ...
Jun 08, 2011 |
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Citizens pitch in to help scientists track spead of sudden oak death
A map plotting the path of destruction that the tree-strangling pathogen known as sudden oak death is taking through the Bay Area shows new infestations in and around neighborhoods throughout the region.
Oct 05, 2010 |
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Holy Guacamole: Researcher Tracks Invasive Beetle Threatening Florida's Avocados
(PhysOrg.com) -- A researcher at North Carolina State University is tracking the movement of the Redbay Ambrosia beetle, an invasive insect that, if it spreads to southeast Florida, may severely affect the production of avocados, ...
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Feb 03, 2009 |
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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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