Index Catalog // ScholarsArchive@OSU

Understanding Public Perceptions of Post-Wildfire Landscape Recovery

Creator:: Kooistra, Chad M.
Abstract:: Forest disturbances, such as wildfires, pine beetle outbreaks, and floods are important features of many landscapes and ecosystems. Many disturbances are increasing in size, frequency, and intensity due to changing climates and land management decisions. The changing ecological and aesthetic conditions following a disturbance can lead to negative short- and...
Resource Type:: Dissertation

Phylogeography and Evolution of Effector Genes in Phytophthora Species

Creator:: Shakya, Shankar K.
Abstract:: Plant pathogens in the genus Phytophthora are known to cause disease on field crops, nursery plants, and forest trees. The best known example probably is Phytophthora infestans, which triggered the infamous Irish potato famine. Other important Phytophthora species include: P. ramorum (sudden oak death pathogen), P. sojae (soybean root rot...
Resource Type:: Dissertation
Full Text:: for two years. I want thank my TA partners Hannah Rivedal and Alex Wong. I also want to thank Andy

Agile Bipedal Locomotion via Hierarchical Control by Incorporating Physical Principles, Learning, and Optimization

Creator:: Green, Kevin
Abstract:: Robotic Bipedal locomotion holds the potential for efficient, robust traversal of difficult terrain. The difficulty lies in the dynamics of locomotion which complicate control and motion planning. Bipedal locomotion dynamics are dimensionally large problems, extremely nonlinear, and operate on the limits of actuator capabilities, which limit the performance of generic...
Resource Type:: Dissertation
Full Text:: , thoughtful environment of the RAM-Lab had a huge impact on me. To Andy Abate, Taylor Apgar, and Patrick

Limitations to Seedling Regeneration on Tropical Forest Restoration Plantations in Northern Thailand

Creator:: Sangsupan, Hathai A.
Abstract:: This dissertation investigated potential ecological limitations to seedling regeneration in young, seasonally dry, evergreen forest restoration plantations in northern Thailand. We explored whether recruitment of colonizing tree species in the restoration plantations can be attributed to seed dispersal mode (i.e. abiotic or animal dispersal) and seed size. We did this...
Resource Type:: Dissertation
Full Text:: committee members, Dr. Matt Powers and Dr. Andy Johnson, for graciously volunteering their time and energy

Controls on eruption style and magma compositions at Mount Hood, Oregon

Creator:: Koleszar, Alison M.
Abstract:: This study is an effort to characterize the magma sources, plumbing system, and eruptive behavior of Mount Hood, a low-explosivity recharge-dominated volcano in the Oregon Cascades. The three manuscripts in this dissertation make use of melt inclusion data, phenocryst compositions, and whole rock petrology and geochemistry to build a schematic...
Resource Type:: Dissertation

Semantic embodied navigation : developing agents that navigate from language and vision

Creator:: Krantz, Jacob
Abstract:: Autonomous robotic agents are on their way to becoming in-home personal assistants, construction assistants, and warehouse workers. The degree of autonomy of such systems is reflected by the manner in which we specify goals to them; the abstraction of low-level commands to high-level goals goes hand-in-hand with increased autonomy. In...
Resource Type:: Dissertation

Grazing, nutrients, and marine benthic algae : insights into the drivers and protection of diversity

Creator:: Guerry, Anne D., 1973-
Abstract:: Two of the most powerful ways in which humans have altered ecosystems are by increasing productivity and changing the densities of important consumers. The bottom-up effects of productivity and the top-down effects of consumers have been identified as primary determinants of biological diversity, though the links between them remain unclear....
Resource Type:: Dissertation
Full Text:: , Paul Murtaugh, and Andy Blaustein for their encouragement, respect, critical thinking, and time along

The Science of Becoming Noble: Rationalizing Aristocracy through Diagrammatic Notations for Dance and Drill in the Age of Enlightenment

Creator:: Caulkins, Tamara L.
Abstract:: During the eighteenth century, diagrams increasingly became an important aspect of scientific inquiry. Diagrams employed simplification as a strategy for representing complex information, played a role in standardizing scientific language, and served as instruments of reason to think through and communicate problems and findings in mathematics, physics, chemistry, astronomy, natural...
Resource Type:: Dissertation
Full Text:: , Andy Hahn, Eric Reddington, Brenda Kellar, Barbara Canavan, and Claude Bullock, for camaraderie and

Restructuring of land and community in the remote rural west : the case of Wallowa County, Oregon

Creator:: Abrams, Jesse
Abstract:: Since at least the 1970s, rural areas in the western United States, as elsewhere across the country and world, have been subject to social, economic, and political forces that have resulted in novel demographic and land tenure trends when compared to previous decades. Collectively, these processes of restructuring have created...
Resource Type:: Dissertation

ScholarsArchive@OSU

Understanding Public Perceptions of Post-Wildfire Landscape Recovery

Phylogeography and Evolution of Effector Genes in Phytophthora Species

Agile Bipedal Locomotion via Hierarchical Control by Incorporating Physical Principles, Learning, and Optimization

Limitations to Seedling Regeneration on Tropical Forest Restoration Plantations in Northern Thailand

Controls on eruption style and magma compositions at Mount Hood, Oregon

Semantic embodied navigation : developing agents that navigate from language and vision

Grazing, nutrients, and marine benthic algae : insights into the drivers and protection of diversity

The Science of Becoming Noble: Rationalizing Aristocracy through Diagrammatic Notations for Dance and Drill in the Age of Enlightenment

Restructuring of land and community in the remote rural west : the case of Wallowa County, Oregon

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