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Trend of a Mountain Pine Beetle Outbreak

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Yearly trends of a mountain pine beetle (Dendroctonus ponderosae Hopk.) infestation were measured in a 640-acre lodgepole pine (Pinus contorta Dougl.) tract in Yellowstone National Park. Before infestation the tract had 211 live trees per acre 5 inches d.b.h. and larger. A seven-year outbreak killed 56 trees per acre, the peak mortality of 27 trees per acre occurring in the fourth year.

Document Type: Journal Article

Affiliations: Entomologist, div. Timber Management, Intmtn. Region, U.S. Forest Serv., Ogden, Utah.

Publication date: November 1, 1973

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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