Index Catalog // ScholarsArchive@OSU

Long-term Impacts of Nitrogen Fertilizer, Tillage and Crop Residue on Soil and Plant Nutrients in Winter Wheat Cropping Systems Under Dryland Conditions

Creator:: Shiwakoti, Santosh
Abstract:: Agricultural practices influence the nutrient dynamics of soil and plants, which may take more than a decade to be expressed in the drylands. The nutrient supplying capacity of soil is a crucial component of sustainable agriculture, and hence, this study can play an important role in policy making for the...
Resource Type:: Dissertation
Full Text:: . Jeliazkov was involved with editing and revision of all the chapters. Dr. Hero Gollany analyzed the carbon

The effects of community composition, landscape structure, and climate on host-pathogen interactions

Creator:: Moore, Sean M.
Abstract:: Like other species interactions in ecological systems, host-pathogen interactions are influenced by environmental factors, landscape characteristics and the broader community context. My thesis explores the potential influences of food-web interactions (Chapter 2), climate change (Chapter 3), landscape structure and host movement patterns (Chapter 4), and the combined influences of local...
Resource Type:: Dissertation
Full Text:: Composition, Landscape Structure, and Climate on Host-Pathogen Interactions Abstract approved: Elizabeth T

Seasonal succession of zooplankton populations in two dissimilar marine embayments on the Oregon coast

Creator:: Zimmerman, S. T.
Resource Type:: Dissertation
Full Text:: the indicated months. T otalt diversity was calculated using data for all species collected

Longitudinal electroproduction of charged pions from Hydrogen, Deuterium, and Helium-3

Creator:: Gaskell, David J.
Abstract:: Conventional pictures of nuclear interactions, in which the pion mediates the long/medium range part of the nuclear force, predict an enhancement of the virtual pion cloud in nuclei relative to that in the free nucleon. Jefferson Lab Experiment E91003 measured charged pion electroproduction from Hydrogen, Deuterium, and Helium-3. The longitudinal...
Resource Type:: Dissertation
Full Text:: Zihlmann (king of the owl shift!) and my hero, Roif Ent. I also have to thank all the hardworking

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:: persisting despite the presence of Bd (Daszak et al. 2005, Kriger and Hero 2006). Why some populations

Ratio of ion activities in dilute equilibrium solutions from soils as related to several chemical properties and lime requirement

Creator:: Webster, Gordon Ritchie
Resource Type:: Dissertation
Full Text:: LITERATURE History of Ion .ixchange L1- The Effec t of Hydrogen-Aiwi1num Relationships on Ion Jections 5

Construction, Degradation, and Restoration of Wet Meadow Ecosystems in Semi-arid Landscapes, Northern Great Basin, USA

Creator:: Nash, Caroline S.
Abstract:: Wet meadow ecosystems are a useful natural laboratory in which to explore feedbacks between biogenic and geologic controls on valley bottom landforms. Characterized by flat valley floors flanked by higher-gradient hillslopes, these meadows are singular both in that they represent depositional features in what is primarily an erosional environment, and...
Resource Type:: Dissertation
Full Text:: those fluctuations. My partner in life and hero in fieldwork, Mike Dwyer, has been unparalleled in his

Alterations in mink reproductive physiology following exposure to coplanar and noncoplanar polychlorinated biphenyls (PCBs)

Creator:: Patnode, Kathleen A., 1959-
Abstract:: Female mink (Mustela vison) are highly sensitive to polychlorinated biphenyl (PCB)-induced reproductive impairment. The goal of this research was to develop a better understanding of the mechanism of PCB-induced effects on female mink, mink embryos, and surviving mink kits. Anestrous, juvenile female mink and pregnant, adult mink were exposed to...
Resource Type:: Dissertation
Full Text:: were found to be significantly reduced in day 1 kits exposed to 2HCB in ?hero. We conclude that PCBs

Gender Biases in Counselor Supervisor Evaluations of Counselors

Creator:: Hadeed, Sabrina M.
Abstract:: Gender bias and discrimination are currently some of the most pertinent topics being explored in counseling practice and counselor education and supervision. Because of all the public attention in recent years to the topics of transgender and marriage equality, the definitions of gender identity and gender roles have become more...
Resource Type:: Dissertation
Full Text:: -way t-tests and logistic regression analyses were used to test the study’s hypotheses. Findings

Microbiology of soil aggregates recovered from different crop management systems

Creator:: Mendes, Iêda de Carvalho
Resource Type:: Dissertation

ScholarsArchive@OSU

Long-term Impacts of Nitrogen Fertilizer, Tillage and Crop Residue on Soil and Plant Nutrients in Winter Wheat Cropping Systems Under Dryland Conditions

The effects of community composition, landscape structure, and climate on host-pathogen interactions

Seasonal succession of zooplankton populations in two dissimilar marine embayments on the Oregon coast

Longitudinal electroproduction of charged pions from Hydrogen, Deuterium, and Helium-3

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

Ratio of ion activities in dilute equilibrium solutions from soils as related to several chemical properties and lime requirement

Construction, Degradation, and Restoration of Wet Meadow Ecosystems in Semi-arid Landscapes, Northern Great Basin, USA

Alterations in mink reproductive physiology following exposure to coplanar and noncoplanar polychlorinated biphenyls (PCBs)

Gender Biases in Counselor Supervisor Evaluations of Counselors

Microbiology of soil aggregates recovered from different crop management systems

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