Driven by climate change, a cousin of the tree, the limber pine, is leapfrogging up mountainsides, taking root in warmer, more favorable temperatures and leaving little room for the late-coming ...

Driven by climate change, a cousin of the tree, the limber pine, is leapfrogging up mountainsides, taking root in warmer, more favorable temperatures and leaving little room for the late-coming ...

Tree squirrels (Tamiasciurus) are important selective agents on conifer reproductive strategies (Smith 1970, 1975). Although this is well established for wind-dispersed pines, the impact of tree ...