A large, multi-basin, reservoir (Garza-Little Elm Reservoir) in north central Texas was studied to determine the relative effects of various parameters on primary productivity. The basins were impounded several years apart,thus allowing the influence of age on water chemistry and biota to be considered. Another principal influence on water quality was secondary sewage effluent that entered one basin from a nearby source.

Magister Scientiae (Biodiversity and Conservation Biology) - MSc (Biodiv and Cons Biol) / Due to their popularity for tourism, giraffes are being introduced into Thicket areas within the Little Karoo region of the Western Cape. However, information regarding the activity budgets and diet selection of these giraffes is lacking. Therefore, this study aimed to achieve three objectives; to determine the diurnal activity budget, diet composition and browsing levels, and the estimated browsing capacities of extralimital giraffe. The study was conducted on two privately owned farms, namely Kareesbos Private Game Reserve and Tsumkwe Private Game Reserves. Observations were completed on both study sites using the interval scan method, whereby observations were conducted on all visible individuals from 6 am – 6 pm for four days every 3 months (winter, spring, summer and autumn). Observations found browsing to be the most dominant activity displayed by both populations, with walking and rumination being the second and third most dominant activity. Females browsed more than males in both study sites. Dietary observations showed four species (Pappea capensis, Portulacaria afra, Euclea undulata and Searsia longispina) and five species (Searsia longispina, Euclea undulata, Pappea capensis, Vachellia karroo and Grewia robusta) to comprise approximately 90% and 80% of their diet in Kareesbos and Tsumkwe respectively. The importance of flower bearing species (Lycium spp. and Rhigozhum obovatum) increased during the spring and summer seasons in both study sites. In addition to the diet selection, browsing by both giraffe populations was shown to occur mostly below 2 m. Estimated browsing capacities for Kareesbos and Tsumkwe were 25 and 21, and 107 and 88 ha per giraffe, respectively, for the respective browse height strata of less than two metres and five metres. It is suggested that browsing capacities of less than two metres be considered when stocking giraffe and the number of individuals adjusted accordingly on each farm, due to the continuous low browsing of giraffe at less than two metres. Furthermore, results indicate that these giraffes have adapted to take advantage of forage available in ecosystems outside their natural ranges. Low foraging heights suggests possible niche overlap with other browsers, which may result in increased competition for food when it becomes limited. Long term ecological monitoring of extralimital populations and appropriate management procedures are therefore required to avoid the displacement and degradation of indigenous fauna and flora within the Little Karoo, and possible mortalities amongst the giraffe populations.

Digitized by Kansas Correctional Industries

This dissertation examines the emergence of a cohort of independent literary, intellectual, and political publications—“little magazines”—in New York City over the past decade. Helmed by web-savvy young editors, these publications have cultivated formidable reputations by grasping and capitalizing on a constellation of economic, political, and technological developments. The little magazines understand themselves as a radical alternative both to a journalistic trend toward facile, easily digestible content and to the perceived insularity and exclusivity of academic discourse. However, the bohemian tradition in which they operate predisposes them toward an insularity of their own. Their particular web of allusions, codes, and prerequisite knowledge can render them esoteric beyond the borders of a specific subculture and, in so doing, curtail their political potency and reproduce systems of privilege. This dissertation explores the tensions and limitations of the bohemian artist-activist ideal, and locates instances in which little magazines were able to successfully transcend subcultural boundaries to productively engage in a broader politics.

The Little Drum Mountains represent a deeply eroded Eocene-Oligocene volcano, consisting of a vent complex which erupted mafic flows and flow breccias, accompanied by lahars. Flows are dominated by members of the shoshonite suite and contain up to 3.95 percent K2O, mainly occult in K-rich glass, with K2O/Na2O ratios greater than 1.0. In a few interbedded flows, apparently of the calc-alkaline series, pyroxene with varying amounts of plagioclase in a fine-grained groundmass of plagioclase, mafic minerals, and interstitial glass. An ash-flow tuff of the Oligocene Needles Range Formation unconformably overlies the volcanic sequence. Contemporaneous eruptions of calc-alkaline and shoshonitic lavas are possibly related to different depths of magna derivation corresponding to two mid-Cenozoic imbricate subduction zones beneath the western United States.

A phenomenon of large, upland breeding colonies of cattle egrets in residential areas of Central Texas has been observed since the early 1960s. These large concentrations of breeding birds can be a nuisance to nearby residents and their management has been difficult. To help understand why cattle egrets choose upland, residential breeding sites, and predict where these might occur, the geographic extent of the phenomenon was bounded within Texas, a habitat suitability model constructed, and reproductive success compared by breeding habitat type to evaluate if residential nesting confers an adaptive advantage.. Records of upland cattle egret colonies were found only in Central Texas, not other parts of the state. The habitat suitability model was constructed using total edge of three land use classes: water, forest, and developed classes. The model classified 78.6 % of upland colonies in very high or high suitability classes and 7.1% of colonies in low or very low suitability classes. This distribution was significantly different than expected considering the overall ratio of suitability scores in the entire raster model (p = 0.036). Nineteen active colonies were found in or bordering the Post Oak Savannah and Blackland Prairie ecoregions. Colonies were in residential, urban, island, and flooded tree and shrub habitat. Nests were found in 12 different tree and shrub species. Residential colonies had more breeding pairs, greater nest survival, and were less productive than non-residential colonies on average, but these differences were not statistically significant. Colonies where nest substrate was removed were not reused and no breeding was initiated nearby the next year. Propane cannons discouraged reuse of colony after prolonged application. Herons and egrets likely use residential sites when wetland habitats are limited. Their overall breeding distribution reflects state wide rainfall and wetland availability patterns with upland nesting in Central Texas, wetland nesting in eastern and coastal regions, and little large scale nesting in western Texas. Egrets and herons may use edges of development as breeding sites to limit predation by ground predators when flooded tree and shrub or island habitats are absent, but this hypothesis needs more testing.

This research is motivated by the proposition of the legitimacy of applying ¡§little theatre¡¨ as the mode of theatre management. The core context and the judgment of value of theater management today are founded basically on a ¡§large-scare theatre¡¨ paradigm; this causes, for most of the time, prejudice and insufficient result in managing theatrical affairs. To analyze the details of this problem, I started from rediscovering the ideological conflicts between Modernity and Post-Modernity, and tried to solve this dualistic misunderstanding by using ¡§Post-Modern Turn¡¨ as the mode of transcending. Since the term ¡§Post-Modern¡¨ is generally associated with social aspects as post-industry society, information society, organizational behaviors and consumption theory, etc. it is necessary to redefine theatre management as the issue of discussion in the realm of sociology. In order to approach my ideal strategy for today¡¦s theatre management, I developed three major parts as the frameworks of study: 1. the Post-Modern Turn of sociology of art, 2. five faces of modernization of Taiwan¡¦s modern theatre, 3. the Post-Modern Turn of organizational management and Taiwan modern theatre. I believe the difficulty of theatre management today lies not in the issue itself, but in the way we look at it. By relocating this problem in a social context, we can have a rethinking of how art management is possible, of exploring the updated and proper solutions for today¡¦s theatre management.

Thesis (Ph. D.)--University of Missouri-Columbia, 2003. / Typescript. Vita. Includes bibliographical references (leaves 199-217). Also available on the Internet.

Thesis (M.S.)--University of Kentucky, 2003. / Title from document title page. Document formatted into pages; contains x, 163 p. : ill. Includes abstract. Includes bibliographical references (p. 151-161).

Thesis (Ph. D.)--University of Missouri-Columbia, 2003. / Typescript. Vita. Includes bibliographical references (leaves 199-217). Also available on the Internet.