Open AccessEffects of thinning on temperature dynamics and mountain pine beetle activity in a lodgepole pine stand
Author(s) -
Dale L. Bartos,
Gordon D. Booth
Publication year - 1994
Language(s) - English
Resource type - Reports
DOI - 10.2737/int-rp-479
Subject(s) - thinning , pinus contorta , mountain pine beetle , microclimate , dendroctonus , environmental science , forestry , bark beetle , bark (sound) , ecology , range (aeronautics) , overwintering , biology , geography , materials science , composite material
Temperature measurements were made to better understand the role of microclimate on mountain pine beetle, Dendroctonus pondersae Hopkins (Coleoptera:Scolytidae), activity as a result of thinning lodgepole pine stands. Sampling was done over 61 days on the north slope of the Unita Mountain Range in Northeastern Utah. Principal components analysis was applied to all temperature variables. Most of the variation was attributed to two variables, coolest part of the night and hottest part of the day. The thinned stand was approximately 1 deg. C warmer than the unthinned stand.
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