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Now showing items 1-17 of 17
Make the healthier choice... Unsweetened tea
(University of Missouri Extension, 2014)
Shelf sign to promote unsweetened tea.
A diffusion model analysis of transitivity and lexicographic semiorder
(University of Missouri--Columbia, 2023)
semiorders are typically considered to model the choice data. In literature, transitivity is often associated with rationality, whereas lexicographic semiorders are usually considered an alternative way to make decisions specifically when the given task seems...
Effects of prescribed fire and timber harvest on terrestrial salamander abundance, behavior, and microhabitat use
(University of Missouri--Columbia, 2014)
-adapted ecosystems. However, many fire management decisions are currently based on predicted plant responses, since there is more data available on plants than wildlife. To estimate terrestrial salamander population size (abundance) prior to treatments, I conducted...
Three essays on phosphorus runoff and water quality
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Water pollution caused by nutrients, and the resulting eutrophication, have increased over time. This water pollution is increasingly caused by non-point source pollution, both...
Framing protest in Missouri : framing protest on Missouri newspaper coverage of Concerned Student 1950 protest
(University of Missouri--Columbia, 2017)
sources, issue-action depiction, and syntax. Using quantitative framing analysis, this research examined six Missouri newspapers' coverage of the Concerned Student 1950 protest that occurred at the University of Missouri to find whether newspapers followed...
Three essays on food security, agricultural productivity, and commodity basis
(University of Missouri--Columbia, 2021)
and bootstrap regression method. We find that improvements in women's empowerment in agriculture, specifically enhancing their ability to make independent choices regarding agricultural production, have a statistically significant positive association...
Forest adaptation and transition in the eastern united states under climate change : a forest landscape modeling method
(University of Missouri--Columbia, 2018)
of adaptation management scenarios. We used a forest ecosystem process model to simulate forests across the eastern United States under a range of future climate scenarios and found that ecotones between major forest types or natural community types may...
Role of agricultural cooperatives in poverty reduction in Nepal : an empirical analysis
(University of Missouri--Columbia, 2021)
families and Key Informant Interviews of 37 managers of agricultural cooperatives. In order to make the inferences on access and income gain, probit regression, matching, ordinary least square and two-stage least squares techniqpropriate identification...
The leaders' role in creating a positive culture in Islamic schools through the lens of invitational leadership: a case study
(University of Missouri--Columbia, 2022)
Although private Islamic schools in United States have shared values that bring stakeholders together, a positive, inviting school culture does not always result from such common values and practices. Thus, examining a ...
Motivation for smoking and smoking cessation : a self-determination theory investigation
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Nicotine dependence is conceptualized as a disorder of motivation. Initial drug use is goal-directed, but with the development of dependence it becomes increasingly routinized...
Integrating cover crops into crop rotations in upstate Missouri
(University of Missouri--Columbia, 2018)
"There is an increasing emphasis on management strategies such as reduced tillage, use of cover crops, and implementation of conservation practices (i.e. terraces, no-till, and cropping systems) in Missouri cropping systems. By combining best...
Agroforestry buffer, biomass crop, and grain crop effects on soil quality and soil water use
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Soil degradation, impaired water quality, and reduced soil organic carbon have become major concerns in the management of degraded claypan soils with their associated ecological...
Weed versus wildflower : mating system ecology in a taraxacum native-exotic contact zone
(University of Missouri--Columbia, 2020)
Closely related plant species often exhibit differences in ploidy level, mode of reproduction, and traits related to reproduction. Differences in ploidy levels are often associated with mating system differentiation, ...
Ecological genomics of divergence, admixture, and fitness in the smallmouth bass (Micropterus dolomieu)
(University of Missouri--Columbia, 2021)
fishes and invertebrates in both streams and natural lakes, and they act as obligate hosts in the life cycles of several freshwater mussels. A great deal is known about the general ecology of Smallmouth Bass and their role in aquatic communities across...
Essays on labor economics
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] This dissertation consists of two chapters on labor economics. In the first chapter, we study redistributions via the United States Social Security retirement system for cohorts...
An ecological study of American Ginseng (Panax quinquefolius L.) in the Missouri Ozark Highlands: effects of herbivory and harvest, ecological characterization and wild simulated cultivation
(University of Missouri--Columbia, 2006)
Matrix population analysis was used to analyze eight years of demographic data from six American ginseng (Panax quinquefolius L.) populations in east-central Missouri to examine effects of herbivory by white-tailed deer (Odocoileus virginianus Zimm...
Influence of streambed substrate type and watershed properties on seston algal abundance
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] In this age of growing water quality issues, it is crucial to identify factors which impact stream water chemistry. In the Gulf of Mexico a growing area of low oxygen...