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    Author(s): J.Y. Zhu; David W. Vahey; C. Tim Scott
    Date: 2008
    Source: Wood and fiber science. Vol. 40, no. 2 (Apr. 2008): Pages 225-232
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (265 KB)

    Description

    This study used ring width correlations to examine the effects of tree-growth suppression on within-tree local wood density and tracheid anatomical properties. A wood core sample was taken from a 70-yr-old Douglas-fir that grew under various degrees of suppression in a natural forest setting. SilviScan and an imaging technique were used to obtain wood density and tracheid cross-section dimensions. The results indicated that wood and tracheid properties correlate to annual-ring width very well. The results also reveal that growth suppression may increase the uniformity of wood density and tracheid cell-wall thickness in both radial and tangential directions.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Zhu, J.Y.; Vahey, David W.; Scott, C. Tim. 2008. Some observations of wood density and anatomical properties in a Douglas-fir sample with suppressed growth. Wood and Fiber Science. 40(2): 225-232.

    Keywords

    SilviScan, tracheid, wood density, diameter, wall thickness, anisotropy, image analysis, resolution, suppressed growth, small diameter, thinnings, pulp, pulping, Douglas fir, wood anatomy, image analysis, tree-rings, stand density, pulpwood, Ring profiler, small timbers, utilization, smallwood, small-diameter timber

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