Index Catalog // ScholarsArchive@OSU

Calcium-oxalate in sites of contrasting nutrient status in the Coast Range of Oregon

Creator:: Dauer, Jenny M.
Abstract:: Calcium (Ca) is an essential macronutrient that is increasingly recognized as a biogeochemical factor that influences ecosystem structure and function. Progress in understanding the sustainability of ecosystem Ca supply has been hampered by a lack of information on the various forms and pools of Ca in forest ecosystems. In particular,...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Steven S. Perakis Calcium (Ca) is an essential macronutrient that is increasingly

Ascorbylation- the biological relevance of covalently bound ascorbic acid

Creator:: Kesinger, Nicholas G.
Abstract:: Ascorbic acid, or vitamin C, is well known as a co-factor for proline-hydroxylase and as an anti-oxidant. However, it is also capable of forming covalent bonds, particularly in the role of a nucleophile, henceforth termed 'ascorbylation'. The ascorbylation of electrophiles can occur under physiological conditions. Furthermore, there are a number...
Resource Type:: Dissertation
Full Text:: alkenes. Michael additions of ascorbic acid with acrolein, crotonaldehyde, methylvinylketone, and p

Understanding the New Outdoor Recreation Paradigm in the Era of Social Media and Increasing Public Health Advisories

Creator:: Lowe Mackenzie, Ashley
Abstract:: In this dissertation, I examine emerging economic issues which intersect outdoor recreation, environmental quality, public land use, and public health advisories. First, I explore the potential impacts of social media on visitation to public land. Social media, and in particular Instagram, has been suggested by journalist and land managers as...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Steven J. Dundas In this dissertation, I examine emerging economic issues which

The relationship between the cerebral lateralization for Arabic language and achievement in science

Creator:: Hafez, Abdullah Ibrahim M.
Abstract:: The major purpose of this study was to test the relationship between students' cerebral lateralization for the Arabic language and their achievement in science. A secondary purpose was to investigate handedness as a factor in that relationship. The experiment was conducted in the City of Jeddah, Saudi Arabia, using dichotic...
Resource Type:: Dissertation
Full Text:: approved: Redacted for privacy Thomas P. Evans The major purpose of this study was to test the

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:: : ___________________________________________________________________ Richard P. Dick Piliostigma reticulatum and Guiera senegalensis are two native shrubs that

Effectiveness of protected area management in Thailand

Creator:: Maneesai, Ronasit
Abstract:: The main objectives of this study are to identify the nature of threats to protected areas and assess the effectiveness of protected area systems and management in Thailand, and to evaluate the use of conservation biology concepts in protected area management. The results from a survey of the heads of...
Resource Type:: Dissertation

Identification and Functional Characterization of Genes that Regulate Biomass Production, Floral Development, and Leaf Senescence in Populus Species using Genetic Engineering and Bioinformatics Tools

Creator:: Lu, Haiwei
Abstract:: This dissertation is comprised of four studies on different elements of Populus biotechnology and genomic science: 1) growth improvement by recombinant DNA (rDNA) modification of gibberellin (GA) metabolism; 2) gene editing using zinc-finger nucleases (ZFNs); 3) induction of floral sterility by RNA interference (RNAi) of AGAMOUS (AG) gene homologs; and...
Resource Type:: Dissertation
Full Text:: . Abstract approved: ______________________________________________________ Steven H. Strauss This

Hydrological and biogeochemical dynamics of nitrate production and removal at the stream – ground water interface

Creator:: Zarnetske, Jay P.
Abstract:: The feedbacks between hydrology and biogeochemical cycling of nitrogen (N) are of critical importance to global bioavailable N budgets. Human activities are dramatically increasing the amount of bioavailable N in the biosphere, which is causing increasingly frequent and severe impacts on ecosystems and human welfare. Streams are important features in...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Jay P. Zarnetske for

Electric utility pole yard training facility : Designing an effective learning environment

Creator:: Topping, Robert P.
Abstract:: The primary responsibility of electric utilities is to supply consistent, dependable, and affordable energy to private customers, businesses, and industries. As with many businesses, electric utilities are experiencing the effects of an aging workforce and expending considerable resources to train their current and replacement workers. Community colleges can partner with...
Resource Type:: Dissertation
Full Text:: Facility: Designing an Effective Learning Environment by Robert P. Topping A

On Small Heights of Totally p-adic Numbers

Creator:: Stacy, Emerald T.
Abstract:: The height of an algebraic number A is a measure of how arithmetically complicated A is. We say A is totally p-adic if the minimal polynomial of A splits completely over the field of p-adic numbers. In this paper, we investigate what can be said about the smallest nonzero height...
Resource Type:: Dissertation
Full Text:: Heights of Totally p-adic Numbers. Abstract approved: Clayton J. Petsche The height of an algebraic

ScholarsArchive@OSU

Calcium-oxalate in sites of contrasting nutrient status in the Coast Range of Oregon

Ascorbylation- the biological relevance of covalently bound ascorbic acid

Understanding the New Outdoor Recreation Paradigm in the Era of Social Media and Increasing Public Health Advisories

The relationship between the cerebral lateralization for Arabic language and achievement in science

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

Effectiveness of protected area management in Thailand

Identification and Functional Characterization of Genes that Regulate Biomass Production, Floral Development, and Leaf Senescence in Populus Species using Genetic Engineering and Bioinformatics Tools

Hydrological and biogeochemical dynamics of nitrate production and removal at the stream – ground water interface

Electric utility pole yard training facility : Designing an effective learning environment

On Small Heights of Totally p-adic Numbers

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