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The balsam woolly adelgid, a tiny nonnative flightless insect, is spreading across the American West killing subalpine fir in northern Utah's recreation-heavy mountain ranges and canyons. Rsearchers ...
Invasion of the fir killers: Tiny bugs with big name threaten subalpine fir forests in the Northwest
Entomologists from the Idaho Department of Lands and U.S. Forest Service are keeping tabs on a tiny invasive insect that can hammer subalpine fir forests. Balsam woolly adelgid, a wingless creature ...
A tagged subalpine fir tree, one of more than 5,000 marked trees monitored as part of this 37-year-long study in the Colorado subalpine forest on Niwot Ridge, west of Boulder. Disclaimer: AAAS and ...
Even in the absence of bark beetle outbreaks and wildfire, trees in Colorado subalpine forests are dying at increasing rates from warmer and drier summer conditions, found recent University of ...
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