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Notes: Cross-Dating Cores as a Nondestructive Method for Dating Living, Scarred Trees

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The objective of this study was to validate the use of increment cores for dating scarred trees as part of fire-history studies. Thirty-seven scarred conifers from four sites in the western United States were sampled both by coring and wedging (removing a partial cross section from the scar). For each tree the cores and wedge were analyzed using dendrochronological techniques to determine absolute fire dates, and the core and wedge dates were compared. Twenty-one of the 37 sampled trees were successfully dated and had identical core and wedge dates. Given certain constraints, researchers can effectively cross-date prescar growth from cores in fire- or other disturbance-history studies, and can accurately date scars with cores when wedge sampling is inappropriate or prohibited. For. Sci. 34(3):781-789.
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Keywords: Fire history; dendrochronology

Document Type: Miscellaneous

Affiliations: Chairman and Associate Professor, Department of Natural Resources, Cornell University, Ithaca, NY 14853

Publication date: 1988-09-01

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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.

    2016 Impact Factor: 1.782 (Rank 17/64 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
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