Index Catalog // ScholarsArchive@OSU

Magma chamber processes over the past 475,000 years at Mount Hood, Oregon : insights from crystal zoning and crystal size distribution studies

Creator:: Darr, Cristina M.
Abstract:: Several different petrological techniques have been applied to lava flows between 200 to 475,000 years old from Mount Hood, Oregon. Mount Hood is unusual, in comparison to nearby Mount St. Helens and Mount Jefferson, in that it has produced relatively homogeneous lava compositions over 475,000 years. Erupted lavas are mostly...
Resource Type:: Masters Thesis
Full Text:: Grunder, and Frank Tepley for all of their support, advice, and funding with the research involved in

The Regulatory Process: Enforcement of Section 404 of the Clean Water Act by the U.S. Army Corps of Engineers, Portland District

Creator:: Flynn, Frank M.
Abstract:: This report is divided into several sections. The first provides information on the current status of wetlands, the Corps' regulatory role, its statutory enforcement authority, and its interpretation of that authority. The next section describes the Portland District's enforcement structure and procedures. A case study detailing the District's treatment of...
Resource Type:: Capstone Project
Full Text:: Clean Water Act by the U.S. Army Corps of Engineers, Portland District by • FRANK M. FLYNN Internship

Seasonal dynamics of a riparian food web in the Oregon Coast Range mountains

Creator:: Robillard, Amanda Lynn
Abstract:: Riparian areas are eco-tones where aquatically- and terrestrially-derived insect biomass is exchanged between habitats, presenting consumers with new sources of energy, and resulting in a reciprocal subsidy. The relative contribution of energy exchange and the resulting impacts on vertebrate riparian consumers, such as fish or birds, remains poorly understood. We...
Resource Type:: Masters Thesis
Full Text:: DeBano, and Frank Moore, for their participation (Thanks for the mist nets Doug!) - Thanks to my

Public acceptance of disturbance-based forest management : a study of the attentive public in the Central Cascades Adaptive Management Area

Creator:: Mallon, Angela L.
Abstract:: Growing emphasis on ecosystem and landscape-level forest management across North America has spurred an examination of alternative management strategies which focus on emulating dynamic natural disturbance processes, particularly those associated with forest fire regimes. This topic is the cornerstone of research in the Blue River Landscape Study (BRLS) taking place...
Resource Type:: Masters Thesis
Full Text:: for projects based on sound science, transparent and inclusive decision-making processes, frank

Biosynthetic studies of fungal diterpene antibiotics

Creator:: Yao, Qingmei
Abstract:: The isoprenoid pathway is one of the major biosynthetic pathways of secondary metabolites. Isoprenoids with a C₂₀ skeleton are known as diterpenoids and are derived from the common precursor, geranylgeranyl diphosphate (GGPP). This dissertation describes approaches to discover the diterpene synthase enzymes which provide the backbone structures for pleuromutilin and...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: __________________________________________ Philip J. Proteau The isoprenoid

Spatial interpolation in other dimensions

Creator:: Martin, Peter
Abstract:: The purpose of this work is to broaden the theoretical foundations of interpolation of spatial data, by showing how ideas and methods from information theory and signal processing are applicable to the the work of geographers. Attention is drawn to the distinction between what we study and how we represent...
Resource Type:: Masters Thesis
Full Text:: Other Dimensions Abstract approved: Dawn J. Wright The purpose of this work is to broaden the

Low-temperature post-harvest processing for reducing Vibrio parahaemolyticus and Vibrio vulnificus in raw oysters

Creator:: Chae, Minjung
Abstract:: Oysters are filter-feeding bivalves, which filter water for nutrients and often accumulate contaminants and human pathogens such as Vibrio parahaemolyticus and Vibrio vulnificus naturally occurring in the marine environment. These naturally occurring pathogens have been frequently isolated from raw shellfish, particularly oyster, in the United States and are recognized as...
Resource Type:: Masters Thesis

The forest and the mainframe : the dynamics of modeling and field study in the Coniferous Forest Biome, 1969-1980

Creator:: Long, Tulley A.
Abstract:: In an initial research proposal of December 1969, the scientists of the Coniferous Forest Biome (CFB), an ecosystem study centered in the Pacific Northwest and part of the larger International Biological Programme (IBP), expressed optimism that computer simulations and systems modeling could transform empirical knowledge of the carbon, water, and...
Resource Type:: Masters Thesis
Full Text:: State University and the USDA Forest Service in the H. J. Andrews Experimental Forest, this thesis

Meadow classification in the Willamette National Forest and conifer encroachment patterns in the Chucksney-Grasshopper meadow complex, Western Cascade Range, Oregon

Creator:: Dailey, Michele Meadows
Abstract:: This study delineates and characterizes the distribution of montane meadows in the Willamette National Forest, identifies encroachment patterns in relation to topographic features and proximity to trees in the Chucksney-Grasshopper meadow complex, and examines tree species and age distributions in relation to distance from forest edges or isolated tree clusters...
Resource Type:: Masters Thesis
Full Text:: which I am very grateful. Charlie Halpern, Fred Swanson, Warren Cohen, Janine Rice, Alan Tepley

Sesame oil increases plasma γ-tocopherol and inhibits γ-tocopherol metabolism in humans

Creator:: Lee, Sangeun
Abstract:: In rats, sesame lignans increase plasma γ-tocopherol concentrations and inhibit γ-tocopherol degradation to its metabolite γ-carboxyethylhydroxychroman (γ-CEHC). To test if sesame lignan consumption inhibits γ- tocopherol metabolism in humans, muffins prepared with either corn oil (control) or sesame oil and an equimolar mixture of deuterium labeled d6-α- and d2-γ- tocopheryl...
Resource Type:: Masters Thesis
Full Text:: . Debbie J. Mustacich. Thanks to Lee Moore for his sincere friendship and tremendous technical help

ScholarsArchive@OSU

Magma chamber processes over the past 475,000 years at Mount Hood, Oregon : insights from crystal zoning and crystal size distribution studies

The Regulatory Process: Enforcement of Section 404 of the Clean Water Act by the U.S. Army Corps of Engineers, Portland District

Seasonal dynamics of a riparian food web in the Oregon Coast Range mountains

Public acceptance of disturbance-based forest management : a study of the attentive public in the Central Cascades Adaptive Management Area

Biosynthetic studies of fungal diterpene antibiotics

Spatial interpolation in other dimensions

Low-temperature post-harvest processing for reducing Vibrio parahaemolyticus and Vibrio vulnificus in raw oysters

The forest and the mainframe : the dynamics of modeling and field study in the Coniferous Forest Biome, 1969-1980

Meadow classification in the Willamette National Forest and conifer encroachment patterns in the Chucksney-Grasshopper meadow complex, Western Cascade Range, Oregon

Sesame oil increases plasma γ-tocopherol and inhibits γ-tocopherol metabolism in humans

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