Methods for Estimating the Impact of the Red Pine Shoot Moth on Volume Growth of Red Pine
Two methods for estimating the impact of the red pine shoot moth on the volume growth of red pine are presented. The first method utilized radial and height growth measurements from individually dissected trees to determine volume growth on a per-tree basis. Potential volume growth was estimated using a site index equation for height growth and past radial growth patterns. The second method determined volume growth on a stand basis from field measurements in sample plots. Potential volume growth was estimated using a computerized growth-and-yield model, REDPINE. The first method estimated mean volume growth losses ranging from 4% to 12% in four red pine stands infested by the shoot moth in the central Wisconsin sand plains. The second method estimated total stand volume losses ranging from 14% to 16% in the same four stands. We conclude that the first method provides more accurate estimates. North. J. Appl. For. 3:60-63, June 1986.
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Document Type: Journal Article
Affiliations: Department of Entomology, University of Wisconsin, Madison 53706
Publication date: 1986-06-01
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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 Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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