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    Author(s): George R. Staebler
    Date: 1948
    Source: PNW Old Series Research Notes No. 44, p. 1-3
    Publication Series: Research Note (RN)
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (180 KB)

    Description

    Measuring heights of Douglas-fir trees for the determination of site index is a time-consuming job, especially in dense stands. Both dominant and codominant trees must be measured since site index curves represent the average height of dominants and codominants. It has been suggested that considerable time might be saved if only dominant trees were measured, since these trees extend above the general crown level and are frequently in or at the edge of openings; hence, their tops are much more easily spotted from a distance.

    Publication Notes

    • Visit PNW's Publication Request Page to request a hard copy of this publication.
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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

    Staebler, George R. 1948. Use of dominant tree heights in determining site index for Douglas-fir. PNW Old Series Research Notes No. 44, p. 1-3

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