Notes: Determining Investment-Efficient Diameter Distributions for Uneven-Aged Northern Hardwoods
Authors: Bare, B. Bruce; Opalach, Daniel
Source: Forest Science, Volume 34, Number 1, 1 March 1988 , pp. 243-249(7)
Publisher: Society of American Foresters
Abstract:The constant "q" of de Liocourt is often used to model the diameter distribution of uneven-aged forest stands and produces "balanced" size class distributions. Claims that such distributions are the most efficient for uneven-aged management or necessary to achieve sustention of production have led to the use of the concept in a variety of management models. Using a northern hardwood mixed-species growth model and a Weibull distribution function, we demonstrate that "balanced" diameter distributions are not investment-efficient and are not necessary to achieve sustention of production over a fixed cutting cycle. Results are very sensitive to per tree price and maximum tree size assumptions. For. Sci. 34(1):243-249.
Document Type: Miscellaneous
Affiliations: Research Assistant College of Forest Resources and Center for Quantitative Science in Forestry, Fisheries and Wildlife, University of Washington, Seattle 98195
Publication date: March 1, 1988
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