Science Behind the Scenes: The Mountain Pine Beetle-Captioned Version

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Rocky Mountain National Park: Why are there so many brown trees? The Mountain Pine Beetle is one of several common, native insects that challenge western pine forests. Drought conditions, mild winters, dwarf mistletoe infestations, dense late seral mature forest stands, and a lack of wildlife fires have contributed to the outbreak.

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Galleries

Rocky Mountain National Park, Captioned, Colorado

Keywords

beetles, drought, forest, insects, national park, pine forest, rocky mountains, wildfire

Date of Video

June 5, 2005

Credit

Courtesy of the National Park Service. For a large collection of audio and video podcast episodes on many classroom topics, visit the National Park Service on iTunes U.

Movie Number

2625