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Count Sampling in Forestry

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Abstract:

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: June 1, 1978

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