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Note on the Relation Between Ring Widths and Basal Area Increments

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A primary aim of tree-ring analysis is to reconstruct the annual growth patterns of individual trees or groups of trees, and then derive growth models which allow for prediction of wood production. Tree growth is mostly measured as a series of annual ring widths. In practice, however, one is interested in annual basal area increments (BAIs). The calculation of BAIs is quite involved. One needs extra information in addition to ring widths: diameters measured at the thickest and thinnest sides of the tree and an estimate of bark width. In this note a summary of the relevant formulas is presented. For. Sci. 41(2):297-304.

Keywords: Bark width; dendroclimatology; growth curve; tree-ring analysis

Document Type: Journal Article

Affiliations: Applied Mathematician, KEMA Environmental Services, P.O. Box 9035, 6800 ET ARNHEM, The Netherlands

Publication date: 1995-05-01

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

    Also published by SAF:
    Journal of Forestry
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