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Filtering by: Committee Member Ferrell, W. K. Remove constraint Committee Member: Ferrell, W. K. Peer Reviewed No Remove constraint Peer Reviewed: No

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Genetic variations in length of active growth period among races of Douglas fir, Pseudotsuga menziesii (Mirb.) Franco

Creator:

Irgens-Moller, Helge

Resource Type:

Dissertation
Nitrogen 15 studies with nonleguminous nitrogen-fixing plants

Creator:

Webster, Stephen Russell

Abstract:

Snowbrush (Ceanothus velutinus), red alder (Alnus rubra), and bitterbrush (Purshia tridentata) are three important nitrogen- fixing nonleguminous species. They commonly grow in association with commercially important conifers in western United States and conceivably could be utilized to add nitrogen to forest ecosystems. Nitrogen 15 gas was used to study nitrogen...

Resource Type:

Masters Thesis
Site quality of western hemlock and chemical characteristics of some western Oregon andic soils

Creator:

Meurisse, Robert Thomas

Resource Type:

Dissertation
A computer simulation model of seasonal transpiration in Douglas-fir based on a model of stomatal resistance

Creator:

Reed, Kenneth Lee, 1942-

Abstract:

Four study sites were selected along an altitudinal gradient on Mt. Ashland in the Siskiyou Mountains of southern Oregon. The altitudinal gradient roughly corresponded to a gradient in temperature and water availability ranging from very hot and dry to cool and moist. Air and soil temperatures were continuously measured on...

Resource Type:

Dissertation
Life table analysis of Douglas-fir beetle (Dendroctonus pseudotsugae Hopk.) populations

Creator:

Howse, Gordon M.

Resource Type:

Dissertation
Characteristics of two noncarotenogenic light sensitive mutants of Scenedesmus obliquus strain D₃

Creator:

Harvey, Geoffrey W.

Abstract:

Two light sensitive mutants of the green alga Scenedesmus obliquus strain D₃ have been characterized. The photodynamic nature of their sensitivity has been established, the subchloroplast site of photodamage has been investigated, and their noncarotenogenic character has been verified. The two mutants possess several similarities, although mutant L. S. -41...

Resource Type:

Dissertation

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Academic Affiliation

Soils2
Botany1
Botany1
Entomology1
Forest Management1

Advisor

Bishop, Norman I.1
Chilcote, William W.1
Nagel, William P.1
Waring, R. H.1
Youngberg, C. T.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1958 to 1975

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Committee Member

Ferrell, W. K.[remove]6
Anderson, N. H.1
Becker, R. R.1
Chilcote, W. W.1
Cowan, J. R.1
more Committee Members »

Creator

Harvey, Geoffrey W.1
Howse, Gordon M.1
Irgens Moller, Helge1
Meurisse, Robert Thomas1
Reed, Kenneth Lee, 1942 1
more Creators »

Date

Date range begin – Date range end

Current results range from 1958 to 1974

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Decade

1970-19794
1960-19691
1950-19591

Degree Field

Botany2
Soils2
Entomology1
Forest Management1

Degree Level

Doctoral5
Master's1

Degree Name

Doctor of Philosophy (Ph.D.)5
Master of Science (M.S.)1

Language

English [eng]6

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No[remove]6

Resource Type

Dissertation5
Masters Thesis1

Rights Statement

Copyright Not Evaluated6

Subject

Douglas fir1
Douglas fir beetle1
Growth (Plants)1
Nitrification1
Photosynthesis -- Research1
more Subjects »

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