Browsing Theses, Dissertations and Student Research Papers (College of Forestry, 1984/85 to Present) by Author "Eng, Helge"

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A comparison of prediction models for cover type transitions and their effects on harvest schedules in coastal Oregon

Eng, Helge (1992-03-03)

There is considerable uncertainty associated with stand establishment in coastal Oregon. Several species can gain control of the site depending on stand conditions as well as management practices. In this study, three ...
Weibull diameter distribution models for managed stands of Douglas-fir in Washington and Oregon

Eng, Helge (2009-08-28)

The two-parameter Weibull function was used to predict forest stand diameter distributions and growth. Diameter distribution models were developed for even-aged Douglas-fir stands, 20 to 40 years old, in Oregon and W ...