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An Approximation of Basal Area Growth after Thinning Based on Growth in Unthinned Plantations

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Any evaluation of plantation management regimes which include one or more thinnings requires information on the growth and yield response to thinning. A procedure is proposed by which the predicted basal area growth and yield in thinned plantations is derived from unthinned plantations of the same age, site index, and number of stems per hectare as remain in the thinned plantation immediately after thinning. An estimate of growth after thinning is obtained by adjusting the projected growth of the unthinned plantation to allow for the degree of suppression that existed in the thinned plantation, relative to the unthinned counterpart. Different thinning intensities and thinning methods can be accommodated within the proposed general formulation, so that it can be used to evaluate the potential role of thinning in plantation management. Forest Sci. 25:223-232.

Keywords: Pinus elliottii; index of suppression; slash pine; thinning response

Document Type: Journal Article

Affiliations: Associate Professor, School of Forest Resources, University of Georgia, Athens, Ga.

Publication date: 1979-06-01

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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