Optimizing Thinning in Douglas-fir with Three-Descriptor Dynamic Programming to Account for Accelerated Diameter Growth

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Abstract:

Accelerated diameter growth as a result of thinning must be incorporated into dynamic programming analysis to account for reduced logging cost and increased income as the size of harvested material increases. A three state-descriptor model is necessary to do this, but a three-descriptor formulation encounters problems of rounding, storage, and computational efficiency. Techniques for overcoming these problems are outlined and applied in representative demonstrations of the model. Forest Sci. 25:665-672.

Keywords: Pseudotsuga menziesii; economics; logging cost premium; quality premium; rotation

Document Type: Journal Article

Affiliations: Graduate Research Assistant, Department of Forest Management, School of Forestry, Oregon State University, Corvallis, Oregon

Publication date: December 1, 1979

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