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Count Sampling in Forestry

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By counting trees in point samples and on plots of fixed radius, basal area, sum of diameters, and number of trees in a forest can be estimated without measuring any trees. If tree distribution is random, the method described can provide more efficient estimates of number of trees than point sampling with tree measurement, the standard technique, especially for stands with small trees. Forest Sci. 24:267-272.

Keywords: Basal area; number of trees; sum of diameters; unequal probability sampling

Document Type: Journal Article

Affiliations: Supervisory Mathematical Statistician for the USDA Forest Service, Southeastern Forest Experiment Station, Research Triangle Park, North Carolina 27709

Publication date: 1978-06-01

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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