Studies of environmental and riparian vegetation interrelationships along the lower Escalante River were conducted during 1974 and 1975. The study area included the Escalante River flood terrace between Harris Wash and Coyote Gulch. Methods were developed compatible for wilderness use . Sixty nine 1 x 10 meter macro-plots were taken at 23 locations. Measurements were taken of major environmental parameters thought to influence riparian vegetation : stratigraphy, soil texture and moisture, river bank angle and aspect, and height and width of flood terraces. Canyon profile was found to be strongly influenced by geologic strata. Resistance to erosion by these strata determines canyon fluctuations and flash floods further modify the river bank profile by creating three distinct flood terraces. Vegetation distribution was found to be generally correlated with stratigraphy and flood terraces. The most dominant semi-aquatic species, Scirpus americanus and Eguisetum laevigatum were found on soils saturated to supersaturated with water on the low flood terraces. Baccharis emoryi was found in the medium and high flood terraces where the Chinle Formation was exposed. Different time periods between river inundations and flash floods created significantly different population age structures for the three major tree species (Salix exigua, Populus fremontii, and Tamarix pentandra). Tree longevity increased from low to high flood terraces. Population age structure differences were attributed to flooding which dynamically maintains each cohort. Regeneration by root suckers for Salix and Populus have survival rates greater than Tamarix whose seedling source is washed away by periodic fluctuations in river level. Implications of this research are that reduction in river flow or regulation of floods would remove population equilibrium controls. Tamarix, without the effec t of its seed source being washed away , would have a successional advantage over the other two native tree species whose densities in the young age classes are lower than that of Tamarix. Furthermore, tree populations would shift to an older age structure with greater density. Deleterious effects would be increased evapotranspiration and inaccessability to river recreation. The effects of such vegetation changes on wildlife are unknown.

This thesis reports the results of a project which identified differences in characteristics of Grand Staircase-Escalante National Monument user groups as they related to their perceptions of how they experience the Monument as recreationists. It explored opinions of four groups: hikers vs. hunters and pre-designation users vs. post-designation users. Responses of these groups were compared for attribution of perceived resource damage, feelings of crowding, acceptability of management action, and importance of identified monument values to their visit. In addition, characteristics of the users were examined to determine if demographic characteristics accounted for differences in perception toward the resources. Finally, how these groups perceived grazing livestock and multiple uses on the monument was examined. Significant differences were found between most categories in hunters and hikers. Predesignation visitors and post-designation visitors differed only in a few categories.

Recent archaeological research within the American west, especially the Great Basin (e.g., Graf and Schmitt 2007), has perpetuated the notion of decreased residential mobility accompanied by increased diet breadth of hunter-gatherer groups during the Early Holocene. The earliest occupations at North Creek Shelter (NCS), a multicomponent site in south-central Utah, date to this time, specifically the Paleoarchaic (~10,000-9000 BP) and Early Archaic (~9000-7500 BP) periods. The zooarchaeological data from these levels were analyzed to determine whether Paleoarchaic occupations on the Colorado Plateau possessed greater residential mobility and narrower diet breadth than those of the Early Archaic, as they do in the Great Basin. However, upon examination of the NCS data, neither seems to be the case, or at least not to the dramatic degree observed to the west, as settlement and subsistence strategies remain fairly constant throughout the Early Holocene.

Thesis (Ph. D.)--University of Texas at Austin, 2006. / Vita. Includes bibliographical references.

The problem of this study is to determine the religious attitudes of the people of Escalante, Utah, according to age groups, with an idea of determining whether the opinions which are held by the people are different for various age groups and to determine if possible, the causes for this difference, if there be any.

The purpose of this monograph is to promote Costa Rican academic music by focusing on Costa Rican composer Carlos Escalante Macaya and his Concerto for Clarinet and Strings (2012). I hope to contribute to the international view of Latin American composition and to promote Costa Rican artistic and cultural productions abroad with a study of the Concerto for Clarinet and Strings (Escalante's first venture into the concerto genre), examining in close detail its melodic, rhythmic and harmonic treatment as well as influences from different genres and styles. The monograph will also include a historical context of Costa Rican musical history, a brief discussion of previous important Costa Rican composers for the clarinet, a short analysis of the composer's own previous work for the instrument (Ricercare for Solo Clarinet) and performance notes. Also, in addition to the publication and audio/video recording of the clarinet concerto, this document will serve as a resource for clarinet soloists around the world. Carlos Escalante Macaya (b. 1968) is widely recognized in Costa Rica as a successful composer. His works are currently performed year-round in diverse performance venues in the country. His compositions vary widely, including orchestral, choral, and chamber music works, as well as music for dance, theater, and film. He is associate composer for the national dance and theater companies, and also receives many other commissions. He has received important national and Latin American composition awards, but his music, as that of other Costa Rican composers, is yet to be discovered outside of Latin America. Only one book, Música académica costarricense: Del presente al pasado cercano (2012), includes a commentary on Carlos Escalante Macaya. In it Costa Rican musicologist Ekaterina Chatski briefly analyzes two of his most important compositions: Los huesos tristes, commissioned in 2006 for the Choreographer's Festival, and Sinfonía Centenario (1997), winner of the Latin American Composition Competition of the centenary of the National Theater of Costa Rica. This book also includes a short biography of the composer and a list numbering 81 of his compositions up to the year 2008. The composer provided most materials necessary for my study, including multiple scores, inspirational visual materials, as well as a full interview (completed August 12, 2013) that will be included as an appendix. It is also important to mention that this concerto was written for me. The composer made significant effort to create a piece that would be, in his own words, a "perfectly fitted dress." My feedback ultimately made this piece what it is today, and my premiere of it on September 14, 2012, with the National Symphony Orchestra of Costa Rica, was an absolute success. This piece was so well received by the Costa Rican public that it was included in the National Symphony Orchestra of Costa Rica's latest CD recording of Costa Rican Music Composers. This recording is the first album of the National Symphony Orchestra to include a solo artist, so it is an honor for me to have been part of this wonderful project. Having been involved in all stages that brought this piece to life, I believe I am in the best position to present an analysis of the piece, to provide a historical background, and to offer performance recommendations for the future. / Music Performance

Tableau d’honneur de la Faculté des études supérieures et postdoctorales, 2013-2014. / Dans les années 1980, l’essayiste québécois André Belleau émet l’hypothèse que l’essai, fruit d’un « artiste de la narrativité des idées », n’est autre chose qu’un « récit idéel » dans lequel le contenu idéel et la tension argumentative se substituent respectivement aux personnages et à l’action d’une œuvre narrative. L’idée que l’essai puisse être rapproché du genre narratif est lancée, mais elle reste peu approfondie. Prenant le relais de la réflexion menée par Belleau, ce mémoire propose d’explorer la dimension narrative de l’essai et du recueil d’essais à partir d’Intérieurs du Nouveau Monde, de Pierre Nepveu, et de El insomnio de Bolívar, de Jorge Volpi. Ces deux recueils ont en commun d’opposer l’expérience personnelle des auteurs à un récit collectif ayant structuré le devenir identitaire américain et latino-américain. Mais, plus que cette commune volonté qu’elles ont de questionner un imaginaire construit de l’Amérique et de l’Amérique latine, les œuvres de Pierre Nepveu et Jorge Volpi partagent une semblable ambition : celle de proposer un récit alternatif, qui prête au recueil une progression linéaire, voire narrative. Deux approches théoriques sont convoquées pour mener à bien l’analyse : la sociocritique, dans un premier temps, et la poétique narrative, dans un deuxième temps.

Malaise traps are a common tool for collecting insects used by many researchers. Although there have been variations in the models and materials used for Malaise traps, the potential for sampling bias due to mesh gague has been explored inadequately. This study compared coarse and fine mesh Townes model Malaise traps in two habitats on the Grand Staircase-Escalante National Monument. The two habitats next to the Lick Wash trailhead were defined by dominant vegetation type – sagebrush and grasses or Piñon-Juniper. We collected from three sites per habitat type, over three consecutive days in June in both 2006 and 2007. A pair of Malaise traps consisting of one coarse mesh and one fine mesh trap were used at each site in order to compare differences in the diversity and in the average size of individuals collected by each type of Malaise trap. We measured diversity using both presence-absence data such as richness scores and Jaccard's Index of Similarity, and abundance-based measures of comparison, including Simpson's Index of Diversity and non-metric multidimensional scaling. We identified all individuals according to Order, and because of our interest in flies and their abundance, we further identified the Dipter ta to the Family level. Average insect size was determined by categorizing individuals according to one of 14 distinct size-classes. In sum, 71 samples totaling approximately 62,500 insects were identified and sized. Because we sampled from two adjacent habitats, we also discuss beta diversity across the sample sites. Although mesh-size appears to have a significant effect on the diversity of the catch according to some tests, not all of our analysis agrees. In addition, the gain in the amount of diversity collected by incorporating both mesh-sizes may not be worth the costs of that kind of sampling. Other means of collection may adequately make up that difference. Habitat on the other hand was a clear marker for difference in diversity. Size was not found to be significant overall, but there still may be reasons to examine the effect of mesh-size with respect to the Hymenoptera.

Rock imagery from the late Fremont period (1000-1300 AD) has captivated the interest of both professional and avocational researchers for the past century. In this thesis, I apply a highly systematized method of cataloguing and analysis to 482 anthropomorphs from Clear Creek Canyon (CCC) and Grand Staircase Escalante National Monument (GSENM). The primary theoretical assumption in this thesis is that the shapes used in anthropomorphic imagery convey ideas about how the Fremont saw people. I therefore recorded the head and body morphology and presence of arms, legs, and genitalia of each anthropomorph. By observing the data spatially, I discovered both intraregional and interregional patterns This research served to strengthen the argument that the Fremont people shared a common culture with regional variations.

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