Sentences with phrase «ancient whitebark»
Beetles gained similar strength in the Rockies during mild winters in the late»90s and early 2000s, killing not only their usual victims but also entire hillsides of ancient whitebark pines, which live at altitudes once too frigid to support the insects.A beautifully concise explanation of what has happened in a large portion of the West, thanks in part to climate change.
http://showcase.casw.org/ Not exact matches
Charcoal and ancient pollen records suggest the niche space needed by whitebark pine is much larger than models estimate.
An ancient record Assessing lake sediment cores from the region reaching 15,000 years into the past, a Montana State University team found whitebark pines more abundant despite higher summer temperatures and fire frequency than today.