Title

Microclimate : An Alternative to Tree Vigor as a Basis for Mountain Pine Beetle Infestations

Document Type

Full Issue

Publication Date

1989

Abstract

Microclimates of thinned and unthinned stands of lodgepole pine (Pinus contorta var. latifolia) were monitored and related to mountain pine beetle (Dendroctonus ponderosae) response on the north slope of the Uinta Mountains in northeastern Utah. Thinning increased light intensity, wind movement, insolation and temperature. Fewer beetles were caught in pheromone-baited traps in the thinned stand than in the unthinned stand. Beetles killed 2% of trees in the thinned stand and 16% in the unthinned stand.

Comments

This item was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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