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Notes: The Precision of Basal Area Estimates

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Abstract:

Exact expressions are given for the standard errors of the estimated basal area in plot and point sampling in certain model forests. The models are produced by a random mechanism involving an aggregation of stems in clusters. The high efficiency of point sampling in estimating basal area is confirmed from studying the standard error formulas. Additional cases, in which analytic expressions for the standard error can be found, are indicated. Forest Sci. 18:123-125.

Keywords: Forest surveys; point sampling

Document Type: News

Affiliations: Professor of Forest Biometry, Royal College of Forestry, S-104 05 Stockholm, Sweden

Publication date: 1972-06-01

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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