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A Growth Model for Mixed Species Stands

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A technique for predicting stand tables for each of two species groups in a mixed species stand was developed. Future stand conditions for each species group are determined by integrating a system of differential equations which relate rates of change in per acre values of basal area, sum of diameters, and numbers of trees to current amounts of basal area, sum of diameters, and numbers of trees. Solutions to the system at future times include estimates of basal area, sum of diameters, and number of trees for each species group. Parameter recovery is used to obtain the Weibull diameter distribution parameters for each species group, which are used to develop predicted stand tables. Forest Sci. 32:697-706.

Keywords: Growth and yield; Weibull distribution; diameter distributions; mathematical models; parameter recovery

Document Type: Journal Article

Affiliations: Professor of Forest Biometry, Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907

Publication date: 1986-09-01

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.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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