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Potential Tree Grade of Young Red Oaks Growing in Even-Aged Stands

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A measure termed clear volume index, based on the percentage of cubic-foot volume under clear faces in 4-foot sections of the stem, was devised for estimating the potential grade of trees smaller than sawtimber size. It can be compared in certain respects with standard log or tree grades. Approximately 50 percent of the variation in clear volume index of individual red oaks, Zuercus rubra L., was found to be directly proportional to the degree of crown competition or stand density surrounding the sample tree. From this relationship an estimate was made of the degree of crown competition essential to the production of young trees with a desirable clear volume index.

Document Type: Journal Article

Affiliations: Associate Professor, School of Forestry, The Pennsylvania State University

Publication date: September 1, 1964

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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