bark beetles

Lodgepole pines are disappearing from the west – Video

12.04.2008

The New York Times has an outstanding video, “America’s Disappearing Forests”  documenting the devastating impact of the mountain pine beetle (Dendroctonus ponderosae) on lodgepole pine (Pinus contorta) in the Rocky Mountain states.  The insect has destroyed about 2 million acres of lodgepole pine forests. Since lodgepole pine typically occurs in pure stands (coming in after [...]

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Whitebark pine faces multiple threats

11.19.2008

Whitebark pine, Pinus albicaulis, is one of the most characteristic species of high mountains in western North America, and one of the most unusual pines.  Whitebark pine populations are declining steeply throughout the northern Rocky Mountains. The Billings Gazette has an excellent article about the decline of whitebark pine in the northern Rockies. In the [...]

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