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Filtragem por: Localização Willamette Valley, Oregon, United States, (Hypsographic) Remover Localização: Willamette Valley, Oregon, United States, (Hypsographic)

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Resultados da Busca

Landscape Genomics and Climatic Responses of Willamette Valley Alders

O Criador:

Kral, George L.

Abstract:

The climate of the Pacific Northwest is in flux, and existing forest ecosystems are stressed and poised to shift in fundamental ways, with or without human intervention. This dissertation probes the nature of forest responses to environmental change through investigations of morphology and genetics of three species of alder co-occurring...

Resource Type:

Dissertation
Historical Change and the Hydrogeomorphic Context of Present-day Floodplain Forests in the Willamette Valley, Oregon

O Criador:

Bervid, Heather D.

Abstract:

Floodplain forests play many important roles in the fluvial processes and environments of large alluvial rivers, including acting as geomorphological influences and habitat for native fish during high flows. Many large, gravel-bed river systems have undergone substantial change in recent centuries, resulting in loss of forested area to agriculture, reduction...

Resource Type:

Masters Thesis
Choices for the future: The Willamette Valley

O Criador:

The Willamette Valley Livability Forum

Abstract:

Prepared for by the Willamette Valley Livability Forum. May 1999.

Resource Type:

Technical Report
The Willamette Valley choices for the future

O Criador:

Lawrence Halprin & Associates

Abstract:

This book is an environmental primer for the people of the Willamette Valley. It sets forth basic principles showing how men's actions cause future consequences in the environment.

Resource Type:

Book
Subsistence variability in the Willamette Valley

O Criador:

Havercroft, Francine M.

Abstract:

During the summer of 1981, Oregon State University archaeologically tested three prehistoric sites on the William L. Finley National Wildlife Refuge. Among the sites tested were typical Willamette Valley floodplain and adjacent upland sites. Most settlement-subsistence pattern models proposed for the Willamette Valley have been generated with data from the...

Resource Type:

Masters Thesis
White-breasted nuthatch density and nesting ecology in oak woodlands of the Willamette Valley, Oregon

O Criador:

Viste-Sparkman, Karen

Abstract:

Habitat loss causes a reduction in available resources for wildlife, alters the configuration of remaining habitat, and may isolate wildlife populations. White-breasted nuthatches (Sitta carolinensis) are experiencing long-term population declines in the Willamette Valley of Oregon, where they are historically associated with oak woodlands. As secondary cavity-nesters, white-breasted nuthatches may...

Resource Type:

Masters Thesis

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Academic Affiliation

Botany and Plant Pathology1
College of Earth, Ocean, and Atmospheric Sciences1
Fisheries and Wildlife1

Advisor

Liston, Aaron I.1
Meigs, Andrew J.1
Ross, Richard E.1
Schmitz, Richard A.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1987 to 2022

View distribution

Unknown 2

Committee Member

Brooks, Raymond1
Cronn, Richard C.1
Gitelman, Alix1
Grant, Gordon E.1
Jones, Frank A.1
mais Committee Members »

Creator

Bervid, Heather D.1
Havercroft, Francine M.1
Kral, George L.1
Lawrence Halprin & Associates1
The Willamette Valley Livability Forum1
mais Creators »

Contributor

Cronn, Richard C.1
Dibello, Patrick L.1
Dupen, Elena N.1
Finch, Kristen N.1
Gonda, Kathryn F.1
mais Contributors »

Date

Date range begin – Date range end

Current results range from 1972 to 2021

View distribution

Decade

2020-20292
2000-20091
1990-19991
1980-19891
1970-19791

Degree Field

Anthropology1
Botany and Plant Pathology1
Geology1
History1
Wildlife Science1

Degree Level

Master's3
Doctoral1

Degree Name

Master of Science (M.S.)2
Doctor of Philosophy (Ph.D.)1
Master of Arts in Interdisciplinary Studies (M.A.I.S.)1

Formato

application/pdf3

Language

English [eng]6

License

All rights reserved3

Localização

Willamette Valley, Oregon, United States, (Hypsographic)[remove]6

Non-Academic Affiliation

Oregon Explorer2
Oregon State University. Graduate School2

Peer Reviewed

No4

Tipo de recurso

Masters Thesis3
Book1
Dissertation1
Technical Report1

Rights Statement

In Copyright4
Copyright Not Evaluated2

Sujeito

Archaeological surveying -- Oregon -- Willamette River Valley1
White-breasted nuthatch -- Ecology -- Oregon -- Willamette River Valley1
White-breasted nuthatch -- Effect of habitat modification on -- Oregon -- Willamette River Valley1
White-breasted nuthatch -- Habitat -- Oregon -- Willamette River Valley1
Willamette River Valley (Or.)1
mais Sujeitos »

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