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Relation Between Tree Growth and Outbreaks of the Black Hills Beetle

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During the past decade losses of ponderosa pine resulting from the work of the Black Hills beetle have been exceptionally heavy. In an attempt to determine the cause of these outbreaks an analysis of the growth rate of trees, as affected by precipitation, was made. Although most of the outbreaks occurred during periods of deficient moisture and relatively poor tree growth, the exceptions strongly indicate that other factors are sometimes fully as important as these.

Document Type: Journal Article

Affiliations: Professor of Forestry Entomology, Duke School of Forestry, Durham, N. C.

Publication date: May 1, 1943

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  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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