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Notes: Gamma Densitometry of Increment Cores

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A technique is described for using highly collimated soft gamma radiation to measure variation in relative wood density and radial growth of trees. It is demonstrated with 12 mm diameter increment cores of eastern white pine. Differences in absorption by late- and earlywood produces characteristic output curves analyzable for relative wood density (mean, maximum, or minimum), radial growth, percent earlywood, and percent latewood. Forest Sci. 20:269-271.

Keywords: Pinus strobus; growth rate; tree rings; wood density

Document Type: Miscellaneous

Affiliations: Research Scientist, Battlle Columbus Laboratories, Columbus, Ohio

Publication date: September 1, 1974

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

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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