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Filtering by: Creator Collins, Heber Dale Remove constraint Creator: Collins, Heber Dale Advisor Wilson, Mark V. Remove constraint Advisor: Wilson, Mark V.

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The reproductive ecology of the pacific yew (Taxus brevifolia nutt.) under a range of overstory conditions in western Oregon

Creator:

DiFazio, Stephen P.

Abstract:

The influence of overstory openness on the reproductive ecology of Pacific yew (Taxus brevifolia Nutt.) was investigated on 4 sites in western Oregon over 2 years. The breeding system of T. brevifolia was found to deviate from pure dioecy under a broad range of canopy and site conditions. Production of...

Resource Type:

Masters Thesis
Functional groups, traits, and the performance of species in restoration

Creator:

Roberts, Rachael E. (Rachael Elaine)

Abstract:

In ecological restoration, species that are sown to increase the native plant diversity range in establishment ability. Some species readily establish, while others rarely do. This study set out to investigate some of the potential processes influencing species establishment, as well as the traits that are associated with the success...

Resource Type:

Masters Thesis

Full Text:

were an excellent experience, and the Priscilla Bullitt Collins Trust made my research assistantship
Propagule sources, disturbance characteristics and the inital establishment of riparian vegetation after debris flows

Creator:

Gecy, Jeanne Leslie

Abstract:

Debris flows are a major cause of disturbance to riparian vegetation. Both observational and experimental studies were used to examine the initial recovery of riparian vegetation after debris flows on headwater streams in the western Cascades of Oregon. My goal was to determine the roles of seedlings and vegetative sprouts,...

Resource Type:

Masters Thesis
Effects of fire on seedling establishment in upland prairies in the Willamette Valley, Oregon

Creator:

Maret, Mary P.

Abstract:

Prior to European settlement, native prairie dominated the landscape of the Willamette Valley. Today, due to urbanization, agriculture, and the cessation of burning, only isolated remnants of these grasslands still exist. In response to conservation concerns, there has been a move to restore the remaining prairies in the Willamette Valley,...

Resource Type:

Masters Thesis

Full Text:

Engineers fire crew included Robin Burrington, Aaron Durland, Greg Ma lon, Samuel McAnulty, Dale Miguel

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Academic Affiliation

Botany and Plant Pathology4

Advisor

Wilson, Mark V.[remove]4
Clark, Deborah L.1
Vance, Nan C.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1989 to 2008

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Committee Member

Borman, Michael1
Evelyn, Sherr1
Letelier, Ricardo M.1
McIntire, Dave1
Meinke, Robert1
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Creator

Difazio, Stephen P.1
Gecy, Jeanne Leslie1
Maret, Mary P.1
Roberts, Rachael E. (Rachael Elaine)1

Date

Date range begin – Date range end

Current results range from 1988 to 2007

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Decade

2000-20091
1990-19992
1980-19891

Degree Field

Botany and Plant Pathology4

Degree Level

Master's4

Degree Name

Master of Science (M.S.)4

File Format

application/pdf1

Language

English [eng]4

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No3

Resource Type

Masters Thesis4

Rights Statement

Copyright Not Evaluated3
In Copyright1

Subject

Fire ecology -- Oregon -- Willamette River Valley1
Grassland ecology -- Oregon -- Willamette River Valley1
Grassland plants -- Ecology -- Oregon -- Willamette River Valley1
Grassland plants -- Effect of fires on -- Oregon -- Willamette River Valley1
Pacific yew -- Oregon1
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