Title: Natural falling of beetle-killed ponderosa pine
Author: Schmid, J. M.; Mata, S. A.; McCambridge, W. F.
Source: Res. Note RM-454. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 3 p.
Station ID: RN-RM-454
Description: Beetle-killed trees in the Front Range of Colorado were observed for their rate and direction of falling. No trees fell within the 2 years following infestation. Thereafter, trees generally fell at the rate of 3-5% per year unless winds exceeded 75 mph. Most trees fell to the east and broke off between ground level and 2 feet above ground.
Keywords: Dendroctonus ponderosae Hopkins, Pinus ponderosa Lawson
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Schmid, J. M.; Mata, S. A.; McCambridge, W. F. 1985. Natural falling of beetle-killed ponderosa pine. Res. Note RM-454. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 3 p..