Author: Parker, Douglas L.

Source: Journal of Forestry, Volume 71, Number 11, 1 November 1973 , pp. 698-700(3)

Publisher: Society of American Foresters

Abstract:

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

Publication date: 1973-11-01

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