Signal: forest death from beetle predation
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Clearing forest killed by beetles costing $3,500/acre

Pine beetles have also ravaged another 17.5 million acres in the western United States and have a stranglehold on massive chunks of forests in British Columbia. While bark beetles have long been part of the natural ecosystem cycle, their current numbers are overwhelming, said Joseph Duda, forest management supervisor for the Colorado State Forest Service. [...]

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Forests killed by spiking beetle populations serving as fire breaks

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 [...]