Careful examination of an aspen trunk reveals that it is slightly green in colour, and this indicates the presence of ...

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall ...

"Our study highlights that without active management and restoration efforts, aspen stands are at risk of declining further, especially at lower elevations and more southerly exposed areas ...