Browsing Theses, Dissertations and Student Research Papers (School of Forestry, pre - 1984) by Subject "Fir -- Oregon"

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Competitive effects of overtopping vegetation on Douglas-fir morphology in the Oregon Coast Range

Chan, Samuel S. (1984-03-02)

The response of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) saplings to various levels of brush overtopping when growing on three north-facing sites in the Oregon Coast Range was investigated for two consecutive y ...
Patterns of genetic variation within and among breeding zones of Douglas-fir in southwest Oregon

Loopstra, Carol Anne (1984-02-03)

Three hundred fifty families from 11 breeding zones in southwest Oregon were grown in a common garden in Corvallis, Oregon, and patterns of genetic variation for seed weight and six first-year seedling characteristics we ...