Aspen's 'dandelion' habits challenge mountain evergreens
Monday, February 22, 2010 - 18:56
in Earth & Climate
(PhysOrg.com) -- The face of high-elevation evergreen forests in Western Canada could be drastically altered as a combination of climate change, human and natural disturbances is making spruce and pine forests in the Rocky Mountains vulnerable to a slow but steady invasion of aspen trees.