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Biodiversity Responses in Early Seral Forests of the Klamath-Siskiyou: Comparisons with Birds, Bees, and Ground Beetles among Post-fire, Salvage Logging, and Intensive Forest Management Environments

Creator:: Frank, Graham S.
Abstract:: Early seral forests regenerating from stand-replacing disturbances provide unique habitat for many species in productive, temperate forest landscapes and contribute to supporting biodiversity. Population declines in some species associated with early seral forests have prompted concerns about the conservation of these habitats, particularly the characteristic structural and compositional complexity associated...
Resource Type:: Dissertation
Full Text:: . CONTRIBUTION OF AUTHORS Matthew G. Betts, Meg A. Krawchuk, Andrew J. Kroll, James W. Rivers, Mark E. Swanson

Heat and mass transfer in Kroll process titanium sponge during salt evaporation

Creator:: Hill, S. D.
Abstract:: Laboratory experiments were conducted to study those factors which control the rate at which salts, such as magnesium chloride and sodium chloride, are removed from titanium sponge. The sponge was prepared by reducing titanium tetrachloride with either magnesium or sodium, and the resulting sponge salt mixtures were treated by vacuum...
Resource Type:: Dissertation
Full Text:: Heat and mass transfer in Kroll process titanium sponge

Biomass and community structure of sporocarps formed by hypogeous ectomycorrhizal fungi within selected forest habitats of the H. J. Andrews Experimental Forest, Oregon

Creator:: Luoma, Daniel L.
Abstract:: This study characterizes the production of hypogeous sporocarps (broadly referred to as truffles) by ectomycorrhizal fungi within Douglas-fir dominated forests that are considered typical of those found on the west slopes of the central Cascade mountains in Oregon. Three aspects of sporocarp production are addressed: 1) the distribution of total...
Resource Type:: Dissertation

All hosts are not created equal : variation in amphibian responses to an emerging fungal pathogen and why it matters

Creator:: Gervasi, Stephanie S.
Abstract:: Emerging infectious diseases are increasing globally and are a threat to human, wildlife, and ecosystem health. The emerging fungal pathogen, Batrachochytrium dendrobatidis (Bd), or amphibian chytrid fungus, is associated with worldwide amphibian population declines and extinctions. Bd has been found on every continent where amphibians exist and has been documented...
Resource Type:: Dissertation
Full Text:: Responses to an Emerging Fungal Pathogen and Why it Matters Abstract approved: Andrew R. Blaustein

Host-pathogen dynamics in a changing environment : susceptibility of amphibians to an emerging infectious disease

Creator:: Searle, Catherine L.
Abstract:: Infectious diseases are a growing concern for both humans and wildlife. The negative effects of infectious disease have been exemplified by the recent global amphibian population declines associated with disease outbreaks. Although multiple pathogens and factors play a role in these declines, the aquatic fungal pathogen, Batrachochytrium dendrobatidis (Bd), has...
Resource Type:: Dissertation
Full Text:: : Andrew R. Blaustein Infectious diseases are a growing concern for both humans and wildlife

Water residence time and runoff generation in the western Cascades of Oregon

Creator:: McGuire, Kevin J.
Abstract:: The age, or residence time of water is a fundamental descriptor of catchment hydrology, revealing information about the storage, flow pathways and source of water in a single integrated measure. While there has been tremendous recent interest in residence time to characterize catchments, there are few studies that quantify residence...
Resource Type:: Dissertation

Patterns of nitrogen fluxes in watersheds of the H.J. Andrews Experimental Forest, OR

Creator:: Vanderbilt, Kristin Lynn, 1967-
Abstract:: Seasonal and annual patterns of N fluxes and concentrations in streamwater in six conifer-dominated watersheds at the H.J. Andrews Experimental Forest, OR, were studied to gain insight into the factors that influence N retention in this ecosystem. Processes affecting N flux in streamwater differed between organic (DON) and inorganic (DIN;...
Resource Type:: Dissertation

Inter-relationships of vegetation, hydrology and micro-climate in a young, Douglas-fir forest

Creator:: Barnard, Holly Rene
Abstract:: The links between forests, streamflow, and climate are poorly understood. Despite hundreds of studies over the past 60 years, fundamental questions of forests' effects on the hydrologic cycle remain unanswered. The hydrological cycle involves mutually-dependent biological and physical processes that operate at multiple scales of time and space, and this...
Resource Type:: Dissertation
Full Text:: -fir Forest Abstract approved: Barbara J. Bond Jeffrey J. McDonnell The links

On the Manifestation of Deformation and Evolution of Two Cenozoic Orogens

Creator:: Lamont, Ellen A.
Abstract:: The word orogenesis is derived from the Greek words oros meaning mountains and genesis meaning creation and refers to the study of the complex processes involved in the growth and evolution of mountain ranges (orogens). Orogens develop where crustal deformation builds topography and forms landscapes. This dissertation explores the role...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________ Andrew J. Meigs The word orogenesis is derived from the Greek words oros meaning

The economics of forest-dependent regions

Creator:: Biswas, Smita
Abstract:: This dissertation explores two economic phenomena involving forest-dependent areas: wage distribution and migration pattern of individuals. Are forest-dependent rural areas less desirable for workers from the standpoint of labor market returns? Are different skills (e.g. education, experience) rewarded differently in these areas? If there are interregional wage differences, would that...
Resource Type:: Dissertation
Full Text:: Abstract approved: ____________________________________________________ Andrew J. Plantinga This

ScholarsArchive@OSU

Biodiversity Responses in Early Seral Forests of the Klamath-Siskiyou: Comparisons with Birds, Bees, and Ground Beetles among Post-fire, Salvage Logging, and Intensive Forest Management Environments

Heat and mass transfer in Kroll process titanium sponge during salt evaporation

Biomass and community structure of sporocarps formed by hypogeous ectomycorrhizal fungi within selected forest habitats of the H. J. Andrews Experimental Forest, Oregon

All hosts are not created equal : variation in amphibian responses to an emerging fungal pathogen and why it matters

Host-pathogen dynamics in a changing environment : susceptibility of amphibians to an emerging infectious disease

Water residence time and runoff generation in the western Cascades of Oregon

Patterns of nitrogen fluxes in watersheds of the H.J. Andrews Experimental Forest, OR

Inter-relationships of vegetation, hydrology and micro-climate in a young, Douglas-fir forest

On the Manifestation of Deformation and Evolution of Two Cenozoic Orogens

The economics of forest-dependent regions

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