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A Sampling Strategy to Estimate the Area and Perimeter of Irregularly Shaped Planar Regions

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The length of a randomly oriented ray emanating from an interior point of a planar region can be used to unbiasedly estimate the region's area and perimeter. Estimators and corresponding variance estimators under various selection strategies are presented. For. Sci. 41(3):470-476.

Keywords: Random radius; unbiased estimation

Document Type: Journal Article

Affiliations: Research Forester, USDA Forest Service, Louis C. Wyman Forest Sciences Laboratory, P.O. Box 640, Durham, NH 03824-0640

Publication date: August 1, 1995

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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