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Filtering by: Creator Brady, Kyle B. Committee Member Baham, John Rights Statement Copyright Not Evaluated

Ecosystem effects of vegetation removal in coastal Oregon Douglas-fir experimental plantations : impacts on ecosystem production, tree growth, nutrients, and soils

Creator:

Yildiz, Oktay

Abstract:

Effects of partial understory removal on belowground and aboveground ecosystem properties were investigated in 5 and 15 yr old Douglas-fir (Pseudotsuga menziesll (Mirb.) Franco) experimental plantations in western Oregon. Seedling survival was not affected by understory removal at age 5 yr. But through age 15 yr, understory removal increased seedling...

Resource Type:

Dissertation

Full Text:

and 15 yr for: Ca, Mn, Fe, Cu, B, and Zn. The total aboveground N pool was greater for DFC plots
Transformations of sulfur in wetland rice soils

Creator:

Islam, M. Mujibul

Resource Type:

Dissertation

Full Text:

is primarily in the B horizon, especially in soils that have been limed or treated with P and S
Application of biomarker compounds as tracers for sources and fates of natural and anthropogenic organic matter in the environment

Creator:

Oros, Daniel R.

Abstract:

Determination of the source and fate of natural (higher plant lipids, marine lipids, etc.) and anthropogenically (e.g., petroleum, coal emissions) derived hydrocarbons and oxygenated compounds in the environment was accomplished using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) to characterize or identify molecular biomarkers to be utilized as tracers....

Resource Type:

Dissertation

Full Text:

of Cleetwood Cove boat dock: a) total ion current trace of the total hydrocarbon fraction; b) n

ScholarsArchive@OSU

Ecosystem effects of vegetation removal in coastal Oregon Douglas-fir experimental plantations : impacts on ecosystem production, tree growth, nutrients, and soils

Transformations of sulfur in wetland rice soils

Application of biomarker compounds as tracers for sources and fates of natural and anthropogenic organic matter in the environment

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