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    Author(s): Donald J. DeMars; Francis R. Herman
    Date: 1987
    Source: Res. Pap. PNW-RP-378. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 16 p
    Publication Series: Research Paper (RP)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (687 KB)

    Description

    Estimation equations for height growth and site index were derived from stem-analysis data of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco var. menziesii) in the highelevation forests of the Cascade Range in Oregon and Washington. Two sets of height-growth and site-index estimation curves and tables produced from previously published equations are presented-one set with U.S. customary units of measure and another set with metric units. These curves and tables were designed for use in the field by forest managers.

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    Citation

    DeMars, Donald J.; Herman, Francis R. 1987. Estimates of site index and height growth for Douglas-fir in high-elevation forests of the Oregon-Washington Cascade Range: curves and tables for field application. Res. Pap. PNW-RP-378. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 16 p

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    Keywords

    Site index, increment (height), stem analysis, stand age, altitude (site, Douglas-fir (coast), Oregon (Cascade Range), Washington (Cascade Range)

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