sábado, 18 de septiembre de 2010
NASA satellites reveal surprising connection between beetle attacks, wildfire
ScienceDaily (2010-09-09) -- If your summer travels have taken you across the Rocky Mountains, you've probably seen large swaths of reddish trees dotting otherwise green forests. While it may look like autumn has come early to the mountains, evergreen trees don't change color with the seasons. The red trees are dying, the result of attacks by mountain pine beetles.
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