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A Test of 3-P Sampling in Forest Inventories

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The 3-P sampling method was compared with the commonly used fixed-and variable-radius plot methods in the field-sampling phase of a forest inventory. Estimates of efficiency, based on sample variance and sample time data from 20 plots, were used in the comparison. The 3-P method proved most efficient. Forest Sci. 18: 198-202.

Keywords: Tree and plot volumes; coefficient of variation; sampling methods

Document Type: Journal Article

Affiliations: Research Scientist, Forest Management Institute, Canadian Forestry Service, Ottawa, Ontario, K1A OH3

Publication date: September 1, 1972

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.
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