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An Evaluation of Techniques for Sampling Forest Tree Nutrient Content. Part I. Sampling the Crown for Total Nutrient Content

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Random and systematic sampling strategies for crown component elemental contents were evaluated for eight dominant-codominant plantation-grown red pine (Pinus resinosa Ait.). Systematic sampling was more efficient than random sampling for all conditions tested. Reliable values of crown dry weight were necessary to estimate individual tree macronutrient contents within 5-10 percent allowable error. Micronutrient contents were not estimated within 10 percent allowable error. A 20 percent systematically selected branch sample is recommended for estimating crown element content within 10 percent allowable error (α = 0.05). Forest Sci. 28:471-480.

Keywords: Pinus resinosa; random sampling; red pine; systematic sampling

Document Type: Journal Article

Affiliations: Professor of Forest Soil Science, State University of New York

Publication date: 1982-09-01

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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