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A Statistical Approach to the Separation of White and Black Spruce on the Basis of Xylem Anatomy

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Wood speciments from Picea mariana (Mill.) BSP and P. glauca (Moench) Voss were collected across the Boreal Forest Region of Saskatchewan and Manitoba, and in southeastern Manitoba. Fifteen xylem attributes were measured on cross, tangential and radial sections to provide an anatomical basis for separation of the species. A discriminant function involving only three of these attributes (tracheid diameter, longitudinal resin canal diameter, and percentage of latewood) tested significant at the 1 percent level, and displayed just as much discriminating power as did the complete fifteen term function. Use of the equation allowed slightly more than three-fourths of the 252 spruce sections to be correctly identified.

Document Type: Journal Article

Affiliations: Assistant Professor, Faculty of Forestry, University of Toronto, Canada

Publication date: 1966-06-01

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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