Index Catalog // ScholarsArchive@OSU

Nasal turbinates and the evolution of mammalian endothermy

Creator:: Hillenius, Willem J.
Abstract:: Although endothermy is one of the most significant evolutionary developments in the vertebrates, its origins among extinct taxa have traditionally been difficult to determine. Endothermy is primarily an attribute of the "soft anatomy," and its key features, such as complex lungs, elevated blood oxygen carrying capacity and mitochondrial density, do...
Resource Type:: Dissertation
Full Text:: loss represents only 13% - 56% of total evaporative water loss in reptiles (Tracy 1982), which have

The role of the city manager in policy making : a study of differences in the conception of actual and perception of ideal policy making roles of the city manager by elected mayors and appointed managers in small California council-manager municipalities

Creator:: Feldman, Steven, 1954-
Abstract:: In recent years, the role of the City Manager in municipal policy making has been the focus of considerable attention and debate in both the academic and local government arenas. The purpose of this study was to determine the differences in views of elected mayors and appointed managers with regard...
Resource Type:: Dissertation

Microbial community structure as influenced by season and stand age in a Douglas-fir (Pseudotsuga menziesii) ecosystem

Creator:: Kucera, Jennifer Moore
Abstract:: Forest harvest can have significant impacts on forest ecosystems that may influence the capacity of soils to sequester carbon (C). The microbial community controls decomposition, which is a critical process in partitioning litter- and root-C between CO₂ and storage in semi-permanent soil-C pools. The objectives of this study were to...
Resource Type:: Dissertation
Full Text:: ) out in the (rainy) field with me. To Tracy Mitzel, Jayne Smith, and Marcia Brett for all of their

Forensic Hydrogeography : Assessing Groundwater Arsenic Concentrations and Testing Methods within the Harney Basin, Oregon

Creator:: Smitherman, Lauren L.
Abstract:: Harney County contains defining characteristics of regions containing arsenic within the groundwater such as its location in the western United States, unique closed basin geography, complex geology, and seasonal groundwater level fluctuations. Confirmation of arsenic concentrations above the Maximum Contaminant Level Drinking Water Standard of 10 μg/L has been observed...
Resource Type:: Masters Thesis
Full Text:: members Dr. Molly Kile, Dr. Roy Haggerty, and my graduate committee representative Dr. Tracy Arras

Determinants of microbial community structure and substrate utilization potential in soils of vegetable cropping systems

Creator:: Schutter, Mary E.
Abstract:: The Oregon Long-Term Soil Quality Project was initiated to identify soil properties that respond rapidly to alternative management practices. Such practices included winter cover cropping, which was implemented at two experimental research stations and several grower fields throughout the Willamette Valley. The goal of this thesis was to identify the...
Resource Type:: Dissertation
Full Text:: hogged all the file cabinets. To Tracy Mitzel, for her candy and computer help. Lastly, I am grateful

Activity, composition and structure of soil microbial communities in Savannahshrubs of agroecosystems in semi-arid Senegal

Creator:: Diedhiou, Sire
Abstract:: Piliostigma reticulatum and Guiera senegalensis are two native shrubs that coexist with row crops in parkland systems of the Sahel of Africa. Although permanently green all year around in soil depleted in nutrients and dry for a nine-month period, these shrubs have been largely overlooked. Conventional management of these shrubs...
Resource Type:: Dissertation
Full Text:: gratitude goes to Joan Sandeno, for her input on this work, and for her assistance in many ways. To Tracy

Measuring Electron Activity to Constrain the Role of Soil Structure in the Formation of Biogeochemical Heterogeneity

Creator:: Wanzek, Thomas
Abstract:: Soils have a critical role in global carbon (C) cycling, containing one of the largest fast-cycling carbon stocks on earth. Robust representation of soil organic matter dynamics in Earth System Models is critical for future climate prediction. Current C cycling models assume that all C cycling in non-hydric (i.e. ‘upland’)...
Resource Type:: Masters Thesis

Detection of the Burkholderia cepacia complex in soil environments

Creator:: Miller, Suzanne C. McKenzie
Abstract:: Burkholderia cepacia complex (Bcc) bacteria reside in soil, plant rhizospheres, and water, but the prevalence of Bcc in outdoor environments is not clear. In this study, we sampled a variety of soil and rhizosphere environments with which people may have contact: playgrounds, athletic fields, parks, hiking trails, residential yards and...
Resource Type:: Masters Thesis

Oxidative stress and muscle dysfunction following anterior cruciate ligament surgery

Creator:: Barker, Tyler
Abstract:: Despite the advances in surgery, physical therapy, and pharmaceutical agents, muscle dysfunction (i.e., atrophy and weakness) continues to impair recovery from an anterior cruciate ligament (ACL) injury and surgery. Ischemia-reperfusion injury during surgery and the subsequent limb disuse are two events experienced by patients having ACL surgery. Oxidative stress and...
Resource Type:: Dissertation

ScholarsArchive@OSU

Nasal turbinates and the evolution of mammalian endothermy

The role of the city manager in policy making : a study of differences in the conception of actual and perception of ideal policy making roles of the city manager by elected mayors and appointed managers in small California council-manager municipalities

Microbial community structure as influenced by season and stand age in a Douglas-fir (Pseudotsuga menziesii) ecosystem

Forensic Hydrogeography : Assessing Groundwater Arsenic Concentrations and Testing Methods within the Harney Basin, Oregon

Determinants of microbial community structure and substrate utilization potential in soils of vegetable cropping systems

Activity, composition and structure of soil microbial communities in Savannahshrubs of agroecosystems in semi-arid Senegal

Measuring Electron Activity to Constrain the Role of Soil Structure in the Formation of Biogeochemical Heterogeneity

Detection of the Burkholderia cepacia complex in soil environments

Oxidative stress and muscle dysfunction following anterior cruciate ligament surgery

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