The pattern suggests that the region's extreme ... after trees die because drought and heat have stressed the trees. During drought, aspen close off microscopic openings in their leaves, a ...

A similar distribution pattern exists for Populus tremula ... The ability of aspen to produce whole stands of "trees" vegetatively provides yet another key element in explaining the species ...

It is the most widely distributed tree in the United States. According to the Hardwood Lumber and Veneer Series, aspen is one of our lightest woods with a 12 percent moisture content and a weight of ...

However, aspen also has the ability to send up new young shoots, or suckers, off the root system of an established tree, sometimes up to 30 metres away, if the tree is large.

A new decade-long study by University of Wisconsin researchers reveals how aspen trees can change their genetic structure to compete for sunlight and defend themselves against pests like ants, moths ...

DENVER (KDVR) — A Colorado-based company is installing a new art exhibit on the 16th Street Mall to make it look like a canopy of aspen trees is growing across the strip. On Monday, the Denver ...