Title

A modified density management diagram for coastalDouglas-fir

Document Type

Article

Journal/Book Title/Conference

West. J. Appl. For.

Volume

3

Publication Date

1-1-1988

First Page

88

Last Page

89

Abstract

Density management diagrams (DMD) of the type pioneered by Japanese foresters (Ando 1968) were introduced to North American forestry when Drew and Flewelling (1979) published a diagram for coast Douglas-fir (Pseudotsuga menziesii var. menziesii). DMDs are essentially models of stand average dimensional relationships. Foresters have used simple two-parameter stocking guides for years (Reineke 1933, Gingrich 1967, Wilson 1979), but the inclusion of additional size parameters, particularly height, greatly improves the utility of these charts.

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