Mortality in Cutover Stands of Ponderosa Pine
Author: Pearson, G. A.
Source: Journal of Forestry, Volume 37, Number 5, 1 May 1939 , pp. 383-387(5)
Publisher: Society of American Foresters
Abstract:Mortality of ponderosa pine in the Southwest has been studied for almost 30 years. It has been found that the most important agencies responsible for the death of trees are wind, lightning, mistletoe, and insects. As might be expected, the rate of mortality appears to be highest in trees of the largest diameter. After the trees reach a diameter of about 23 inches there is a comparatively rapid increase in mortality rate and on cutover areas the average annual loss of trees 30 inches and over in diameter is about 1 percent. Thus, if appreciable returns are to be realized from large trees, continual salvage operations are called for.
Document Type: Journal Article
Affiliations: Southwestern Forest and Range Experiment Station
Publication date: May 1, 1939
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