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Filtering by: Committee Member Perry, Dave Committee Member Perry, Dave Subject Ponderosa pine -- Oregon

Response of ponderosa pine forests in central Oregon to prescribed underburning

Creator:

Landsberg, Johanna Dobrot

Abstract:

Tree growth and soil nutrient responses to prescribed underburning were determined for a period of up to 12 years at four sites in northcentral and central Oregon ponderosa pine stands (Pinus ponderosa Dougl. ex Laws). Differences reported are significant at a = 0.10. During the first 4-growing-season-measurement period after underburning,...

Resource Type:

Dissertation
Understory competition for resources in Pinus ponderosa forests of northeastern Oregon

Creator:

Riegel, Gregg M.

Abstract:

The objective of this research was to determine which environmental resources, light, water, and nutrients, control understory plant production and composition in a Pinus ponderosa forest in northeastern Oregon. A split-plot experimental design, with three blocks, four treatments, and 44 plots, was established in the summer of 1985. Twenty plots...

Resource Type:

Dissertation

Full Text:

. Thanks Rick! I thank my committee members Drs. Bill Emmingham, Bill Krueger, and Dave Perry for their