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RISS 인기검색어
- 검색키워드
- 저자 : Clark, Kimberly Dawn (검색결과 634 건)
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Utilization and Improvement of Hibiscus Species
Austin, Conner Clark University of Florida ProQuest Dissertations & The 2023 해외박사(DDOD)
The Hibiscus genus contains the most species of the 116 Genera in the Malvaceae family. Many species have utility as ornamental, fiber, oil, forage, medical, cosmetic and food crops, but the full utility and biodiversity of the genus has yet to be fully explored (Lawton, 2004). The objectives of this study were to explore the utility and investigate the efficiency of crop improvement strategies in two groups of underutilized Hibiscus species, the Muenchhusia section of Hibiscus and Hibiscus cannabinus. The Muenchhusia section of Hibiscus includes six species which make fertile hybrids: Hibiscus grandifloras, Hibiscus laevis, Hibiscus moscheutos, Hibiscus dasycalyx, Hibiscus lasiocarpus, and Hibiscus coccineus, commonly known as the hardy Hibiscus or Rose mallows. This group of Hibiscus was successfully improved for more compact branching habit compared to commercial cultivars through two methods: 1) through conventional hybridization and F1 selection, and 2) through the induction of hormone-related dwarfism genes through chemical mutagenesis. Combining abilities were calculated for traits related to performance as an ornamental in the improved population of hardy Hibiscus in order to guide future breeding efforts. The inheritance patterns of the induced dwarfism genes and their effect on the branching habit of a plant were determined in segregating populations. Hibiscus cannabinus was evaluated for stalk biomass production in central Florida and studies to determine the quantitative inheritance patterns of stalk biomass were conducted.
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Straight, Nathan Clark University of Oregon 2005 해외박사(DDOD)
This dissertation responds to the emergence of ecologically oriented American autobiography. I refer to this developing literature as natural biography and contend that it offers significantly new perspectives on the self. By definition, the study of autobiography has long assumed the centrality of the human individual. This focus on writing one's own life rests on two key assumptions: first, that autobiography narrates the development of a singular subjectivity; second, that the individual lives recorded in autobiography function representatively within a democratic worldview. Both of these assumptions deserve closer scrutiny, and in the last half century we have witnessed a host of challenges to the narrative trajectories and subjective models of traditional autobiography. Resistant theories of autobiography---especially those forwarded by feminist and cultural studies critics---have broadened our awareness of autobiographical forms and exposed the narrow limitations of a Euro-American model of universal personhood. Nonetheless, autobiography studies remain focused on representations of human selves within human cultures, paying scant attention to the interactions of human beings in a more-than-human world. In arguing for natural biography, I employ an ecocritical approach to address what I see as an impasse in the field; to move forward, we must reevaluate our assumptions about autobiographical writing and the autobiographical subject. In my study of three contemporary writers of the western United States, William Kittredge, Terry Tempest Williams, and Mary Clearman Blew, I outline the development of natural biography as a sub-genre explicitly concerned with the links between environment and identity. Whereas traditional autobiography retrospectively narrates the individual's separation from his surroundings, natural biography traces the connections between self and place and interrogates them in service of sustainable models of identity and inhabitation. The result is a responsible literature of the self embedded in history, community, and geography. I illustrate the performance of natural biography as I evaluate each writer's innovations in response to the specific challenges to self-narration posed by regional cultures, communal attitudes, and environmental concerns. Additionally, I chart a developmental trajectory across these authors, describing a genealogy that confronts generic and regional constraints as a precursor to creating alternative, ecologically sound self-narratives.
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Gunter, Richard Clark ProQuest Dissertations & Theses Saint Leo Universi 2020 해외박사(DDOD)
This study provides insight into the impact that emotional intelligence (EI) has on the leadership competencies of project managers and project success. This study was informed by a study from Maqbool, Sudong, Manzoor, and Rashid (2017). Emotional Intelligence is measured using the Goleman Emotional Competency Model. Project manager competencies were measured by Clarke’s (2010) scale. The survey was made available to project managers mainly, but not exclusively in the Midwestern United States. This resulted in 116 valid responses. Results showed a significant positive predictive relationship between EI and project success, and a significant positive predictive relationship between EI and the individual project manager leadership competencies of communication, teamwork, attentiveness, and managing conflict. Project managers that have a high level of EI have a higher level of competence in fostering teamwork, communicating with stakeholders, attentiveness to others, and managing conflicts. Additionally, project managers with a high level of EI have a greater chance of meeting the success criteria of the projects they manage. With the increased focus organizations are placing on training project managers in not only technical skills but also relationship skills, this should help justify the time and expense in educating project managers in emotional intelligence as a way to improve the success rate of projects.
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