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Which Trees and Stands are attacked by the Southern Pine Beetle?

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Abstract:

An analysis of long-term observations from loblolly pine (Pinus taeda L.) plantations showed that the southern pine beetle, SPB (Dendroctonus frontalis Zimmermann), kills a larger proportion of trees in dense stands. The presence of hardwood species diminishes damage, probably by hindering the dispersal of the SPB. It was also found that, in a given stand, mortality increases with tree size. On the other hand, the degree of damage was not related to age or mean diameter. For our plots, the annual probability that a loblolly pine tree would be killed by the beetle was 4.59 x 10-4. In the SPB infested stands, this probability increased 39 times (1.81 x 10-2. More precise estimates can be made using a prediction model driven by stand densities of pines and hardwoods, and the relative diameter of individual trees. South. J. Appl. For. 23(4):217-223.

Document Type: Journal Article

Affiliations: School of Forest Resources, University of Arkansas at Monticello, Phone: (870) 460-1648;, Fax: (870) 460-1092

Publication date: 1999-11-01

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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