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Filtering by: Committee Member Emmingham, Bill Degree Name Doctor of Philosophy (Ph.D.) Rights Statement Copyright Not Evaluated

A stand management strategy for young western hemlock-Sitka spruce forests

Creator:

Kellogg, L. D. (Loren D.)

Abstract:

Western hemlock-Sitka spruce forests, where prior precommercial thinning has occurred, constitute one of the most productive young-growth management types along the Pacific Coast from Oregon to southeast Alaska. These stands are ready for a first commercial thinning entry, however, the costs and benefits of such entries and resulting impacts at...

Resource Type:

Dissertation
Interacting effects of stand density, site factors, and nutrients on productivity and productive efficiency of Douglas-fir plantations in the Oregon Cascades

Creator:

Velazquez-Martinez, Alejandro

Abstract:

The objectives of this research were to study: a) the effect of thinning and treatments consisting of pruning and multinutrient fertilization on aboveground biolnass increment, growth efficiency (GE), and foliar nutrients; b) the influence of topoedaphic variables (soil nutrients, slope, aspect, and rock content) and foliar nutrients on both leaf...

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

ScholarsArchive@OSU

A stand management strategy for young western hemlock-Sitka spruce forests

Interacting effects of stand density, site factors, and nutrients on productivity and productive efficiency of Douglas-fir plantations in the Oregon Cascades

Understory competition for resources in Pinus ponderosa forests of northeastern Oregon

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