Index Catalog // ScholarsArchive@OSU

Plant communities and succession in Oregon coastal salt marshes

Creator:: Jefferson, Carol A.
Abstract:: The purpose of this study was to determine plant species composition, community structure, successional relationships, vegetational development and plant distributions in estuarine salt marshes on the Pacific Coast of Oregon. Quadrat and transect samples of plant presence and cover, collected from April 1971 - June 1974, were subjected to phytosociological...
Resource Type:: Dissertation
Full Text:: ABSTRACT Carol Annette Jefferson for the degree Doctor

Physical-biological interactions in the Southern Ocean

Creator:: Moore, Jefferson Keith
Abstract:: Physical-biological interactions in the Southern Ocean were investigated using remote sensing data from several different satellite sensors. Satellite sea surface temperature data were used to study the dynamics of the Antarctic Polar Front (PF). Satellite ocean color data were used to estimate surface chlorophyll concentrations and their relation to various...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Jefferson Keith Moore for

Development and evaluation of the mallard duck as a model to investigate the immunotoxicity of environmental chemicals

Creator:: Fowles, Jefferson R.
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Jefferson R. Fowles for the degree

Hydrology and geomorphic evolution of basaltic landscapes, High Cascades, Oregon

Creator:: Jefferson, Anne (Anne Jarvis)
Abstract:: The basaltic landscapes of the Oregon High Cascades form a natural laboratory for examining how geologic setting and history influence groundwater flowpaths, streamflow sensitivity to climate, and landscape evolution. In the High Cascades, highly permeable young basaltic lavas form extensive aquifers. These aquifers are the dominant sources of summer streamflow...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Anne Jefferson for the

Patterns of tree establishment and vegetation composition in relation to climate and topography of a subalpine meadow landscape, Jefferson Park, Oregon, USA

Creator:: Zald, Harold S. J.
Abstract:: The forest alpine tundra ecotone (FTE, also known as alpine treeline or subalpine parkland), is a conspicuous feature of mountain landscapes throughout the world. Climate change-driven increases in temperature are believed to result in FTE movement and tree invasion of subalpine meadows, which have been documented throughout the Northern Hemisphere...
Resource Type:: Dissertation
Full Text:: Composition in Relation to Climate and Topography of a Subalpine Meadow Landscape, Jefferson Park, Oregon

Merging missions : a historical analysis of the University of Alaska Anchorage, 1984–2009

Creator:: Strom, Stephen L.
Abstract:: Literature on the evolution of the American higher education system includes a historical and consistent debate over the definition of the higher education mission in the country. Recent debate focuses on mission differentiation between the university and the community college. Acknowledging systemic changes in higher education historically occurred within regions...
Resource Type:: Dissertation
Full Text:: 11, 2011. Title: Merging Missions: A Historical Analysis of the University of Alaska Anchorage

Caution! High Water: A Historical Archaeological Investigation of the Champoeg Townsite (ORMA26) after the 1861 Flood

Creator:: Hill, Cayla L.
Abstract:: The Champoeg townsite first developed due to its ideal settlement and trade location within the Willamette Valley, becoming the ‘legal birthplace of Oregon’ in 1843. However, by 1860 Champoeg’s significance had begun to decline, and in December of 1861 a devastating flood wiped out the townsite. Archaeological excavations took place...
Resource Type:: Dissertation
Full Text:: record in association with the remaining pieces and phases of the historical record (Hussey 1967:xi

Agricultural export promotion and economic structure : an historical perspective

Creator:: Townsend, Terry P.
Abstract:: The United States has had a long history of promoting agricultural exports, and the return to conditions of extreme surplus in many agricultural markets in recent years has revived interest in this topic. Some products received imperial bounties during our colonial era, but the systematic collection of trade statistics for...
Resource Type:: Dissertation
Full Text:: seems not to be borne out. AGRICULTURAL EXPORT PROMOTION AND ECONOMIC STRUCTURE: AN HISTORICAL

Historical forest succession and disturbance dynamics in Coastal Douglas-fir forests in the southern western Cascades of Oregon

Creator:: Merschel, Andrew G.
Abstract:: Coastal Douglas-fir (Pseudotsuga menziesii var menziesii) forests are extensive west of the crest of the Cascade Mountains in Oregon and Washington and are renowned for their productivity, biodiversity, and the ecosystem services they provide. Increasing wildfire activity in recent years including the extensive 2020 Labor Day fires, and a warming...
Resource Type:: Dissertation
Full Text:: across the Umpqua National Forest and squares indicate six sites where I reconstructed historical fires

Educational technology associations as change agents : A case study

Creator:: Stephenson, Christine (Christine Gale)
Abstract:: This research addressed the role of educational technology associations as change agents within education with particular emphasis on issues of advocacy and leadership. Using a poststructural feminist lens and the metaphor of interview and analysis as storytelling, it explored the perspectives of nineteen individuals belonging to a national level educational...
Resource Type:: Dissertation
Full Text:: perspectives of nineteen individuals belonging to a national level educational technology association. This

ScholarsArchive@OSU

Plant communities and succession in Oregon coastal salt marshes

Physical-biological interactions in the Southern Ocean

Development and evaluation of the mallard duck as a model to investigate the immunotoxicity of environmental chemicals

Hydrology and geomorphic evolution of basaltic landscapes, High Cascades, Oregon

Patterns of tree establishment and vegetation composition in relation to climate and topography of a subalpine meadow landscape, Jefferson Park, Oregon, USA

Merging missions : a historical analysis of the University of Alaska Anchorage, 1984–2009

Caution! High Water: A Historical Archaeological Investigation of the Champoeg Townsite (ORMA26) after the 1861 Flood

Agricultural export promotion and economic structure : an historical perspective

Historical forest succession and disturbance dynamics in Coastal Douglas-fir forests in the southern western Cascades of Oregon

Educational technology associations as change agents : A case study

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