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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

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
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