Graduate Theses & Dissertations

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Lost Landscapes of the Kawarthas
The Kawartha Lakes region of south-central Ontario is dominated by water bodies and rivers, where humans are known to have lived since at least 10,500 years ago, only shortly after the retreat of glaciers from the region. Since this time, water levels within the region have changed dramatically as a result of various geophysical, climatological, and human-induced-phenomenon, leaving modern water levels at a maximum high-stand. While it is acknowledged within the local archaeological community that these hydrological dynamics have resulted in the inundation of much of the region’s past terrestrial and culturally active landscapes, cultural research into the region’s lakes and waterbodies have to date been very few and limited in scale. The subject of this thesis concerns a cultural assessment of the inundated landscapes around an island within Pigeon Lake of the Kawartha Lakes region, known as Jacob Island. Using a series of integrated methods including bathymetric modeling, shoreline and ecological reconstruction, and in-water-visual artefact survey, the goals of this research relate to illuminating the nature of the Kawartha Lakes region’s underwater archaeological record and associating specific cultural occupations and land-use strategies with Jacob island’s inundated landscapes. Author Keywords: inundated landscapes, landscape archaeology, Ontario Archaeology, underwater archaeology
Assessing Quality of Life for the Urban Inhabitants of Classical Angkor, Cambodia (c. 802-1432 CE)
This thesis examines the interrelationship of urban planning and population health at the site of Angkor (c. 802-1432 CE), the capital city of the Classical Khmer state, now found within modern-day Cambodia. The inhabitants of Angkor developed a settlement strategy that relied on the dispersal of water management features, rice fields, temples and residential areas, to best utilize the spread-out environmental resources of the surrounding monsoon-forest climate. Thus, the main question to be answered by this thesis is this: did the city-planning practice of dispersed, low-density agrarian urbanism promote resilience against the disease hazards associated with tropical environments? To answer this question, methods involved creating assessing environmental and socio-cultural factors which habituated the urban inhabitants of Angkor’s relationship to disease hazards. The results of this assessment demonstrate that it was not until the last stages of Angkor’s urban development, when non-farming members of the population were concentrated into the “core” area of temples within city, that the city’s inhabitants’ vulnerability to infectious disease increased. As the city took a more compact settlement form, it was not as environmentally compatible as the earlier dispersed pattern. Significantly, archaeological case studies such as this can illustrate the long-term development and end-result of urban planning to deal with disease hazards, both in terms of everyday occurrences, as well as during crisis events, which has important implications for contemporary research on environmental disasters today. Author Keywords: Adaptive Strategies, Mainland Southeast Asia, Pre-industrial Urbanization, Resilience, Tropical Diseases
Exploring the Scalability of Deep Learning on GPU Clusters
In recent years, we have observed an unprecedented rise in popularity of AI-powered systems. They have become ubiquitous in modern life, being used by countless people every day. Many of these AI systems are powered, entirely or partially, by deep learning models. From language translation to image recognition, deep learning models are being used to build systems with unprecedented accuracy. The primary downside, is the significant time required to train the models. Fortunately, the time needed for training the models is reduced through the use of GPUs rather than CPUs. However, with model complexity ever increasing, training times even with GPUs are on the rise. One possible solution to ever-increasing training times is to use parallelization to enable the distributed training of models on GPU clusters. This thesis investigates how to utilise clusters of GPU-accelerated nodes to achieve the best scalability possible, thus minimising model training times. Author Keywords: Compute Canada, Deep Learning, Distributed Computing, Horovod, Parallel Computing, TensorFlow
From Foraging to Farming
This study examines foraging strategies during the Middle Woodland Period’s Sandbanks Phase (A.D. 700–1000) on Boyd Island, Pigeon Lake, Ontario. The faunal remains analyzed in this study were recovered from a site associated with the procurement of aquatic and terrestrial taxa. Detailed taphonomic analyses have revealed that the Boyd Island faunal remains were affected by weathering and human transport decisions. White-tailed deer was the most frequently acquired prey at Boyd Island, followed by black bear. Using the central place forager prey choice model as a framework, the analysis of diet breadth and carcass transport patterns suggests that most animal resources were acquired from both aquatic and terrestrial habitats, at moderate distances from the site. Incomplete carcasses of large game appear to have been transported away from the site, where they were subsequently processed for provisioning or consumption. Comparisons with other Sandbanks faunal assemblages and those dating to later periods indicate significant differences in terms of taxonomic composition, while continuing to emphasize the use of fish. It is suggested that the Middle Woodland foragers adopted subsistence strategies focusing on the exploitation of local habitats in which productivity may have been enhanced through niche construction associated with the low-level food production activities. Author Keywords: animal resource exploitation, archaeozoology, foraging theory, Middle Woodland, niche construction theory, southcentral Ontario
Testing the Validity of Dental Calculus as a Proxy to Bone in Paleodietary Studies Using Stable Isotope Analysis
This study investigates the use of dental calculus for paleodietary studies using stable isotope analysis of a skeletal sample from the Greek colonial site of Apollonia Pontica, Bulgaria (5th to 3rd century BC). A sample of 27 individuals was used to examine the δ13C and δ15N values of paired dental calculus and bone samples, and the dental calculus was analyzed as separate organic and inorganic components. No significant correlation was found between the δ13C values of either the bone collagen and organic dental calculus samples, or the bone apatite and inorganic dental calculus samples. A significant correlation was found between the δ15N values of the bone collagen and organic dental calculus samples; however, the reason for this correlation is unclear. A greater range of variation in the δ13C and δ15N values was found in the organic dental calculus samples compared to the respective bone collagen samples. These results suggest that dental calculus is not an appropriate proxy to bone for paleodietary studies using stable isotope analysis and that any dietary signal is clouded by other data. The oral microbiome is considerably diverse and is the most probable explanation for the great range of stable isotope values obtained from dental calculus. A significant, strong correlation was found between the C/N ratios and δ15N values of the organic dental calculus samples, suggesting that the lowest C/N ratios and δ15N values depict deposits with the least bacterial alteration. Author Keywords: carbon, dental calculus, nitrogen, paleodietary studies, Social Sciences, stable isotopes
Reassessing Bioarchaeological Sex Determination and Research into Gender at the Early Anglo-Saxon Worthy Park Burial Ground Round in Hampshire, England
When bioarchaeologists investigate ancient gender identity, they typically place skeletal remains into one of six sex assessment categories: male, female, possible/probable male, possible/probable female, ambiguous, and indeterminate. However, the study samples are often reduced to male and female reproducing a male/female gender and sex binary prevalent in the "Western" cultural milieu and bioarchaeology when inferences are made about gender and sex in the past. In order to allow for the existence of non-binary cultural genders and biological sexes, this thesis: 1) demonstrates the multitude of ethnographic, ethnohistoric, historic, and medical evidence relating to non-binary sex and gender expression; 2) tests a method inspired by Whelan (1991) that looks at gender as an identity not fully inspired by biological sex; 3) keeps all sex assessment categories used by bioarchaeologists separate in analysis and interpretation; and 4) analyses patterns relating to all available material culture and biological attributes in a mortuary sample to investigate gender identity. This thesis used the Early Anglo-Saxon (470-600 AD) burial ground at Worthy Park in Hampshire to achieve these objectives. This thesis found that when examining all sex assessment categories among all mortuary variables, only the male sex was clearly defined by its mortuary assemblage. This suggests a one gender structure corresponding to linguistic evidence for one gender in Old English. Author Keywords: Anglo-Saxon, Bioarchaeology, Gender identity, Mortuary archaeology, Osteoarchaeology, Sex determination
Relationship between Virginity Scripts and Precoital Sexual Behaviour
Past research has examined the influence of cultural scripts on our first coital experience, but the impact of virginity scripts on precoital sexual behaviour remains unknown. The purpose of this study sought to examine the link between Carpenter’s (2001) cognitive frameworks of virginity and precoital sexual behaviour. Two hundred and forty eight participants (32 men, 215 women, and one unknown) were recruited from a Canadian university, all of whom had experienced precoital behaviour and first sexual intercourse. The findings indicated that past precoital behaviour and coital behaviour with first sexual partner had different relationship patterns with respect to virginity scripts. Virginity scripts were also related to current sexual sensation seeking, motivation for erotic arousal, sexual compatibility, comfort with sexuality, and approach to sexual relationships. Author Keywords: precoital sexual behaviour, sexual scripts, virginity frameworks, virginity loss
Re-Living the Residential School Experience
The residential school legacy is one of the darkest chapters in Canadian history. From the mid-1850s to 1996, thousands of Aboriginal children were taken from their homelands and placed in residential schools. Taken against their will, many dreaded attending these schools. Some attended for as long as ten to fifteen years, only to be strangers in their own communities upon their return. In the past thirty years, survivors began disclosing the loneliness, confusion, fear, punishment and humiliation they suffered within these institutions, and also reported traumatic incidents of sexual, physical or emotional abuse. These childhood traumas still haunt them today. This dissertation examines the four compensation processes (Litigation, Alternative Dispute Resolution, Independent Assessment Process and the Common Experience Process) used by survivors to determine whether the compensation payments made to them assisted in reconciliation of their residential school experience. To complete an analysis of the processes, twenty-four residential school survivors from Ontario, Manitoba and British Columbia were interviewed about their experiences with one or more of the compensation processes. The study begins with a historical overview of the residential school legacy and continues with the residential school healing movement that initiated and finalized a negotiated settlement agreement for all living survivors. This dissertation provides a unique perspective to the residential school legacy by using a cultural framework, Anishinabe teachings and concepts to share the voices of residential school survivors. The pivotal Anishinabe teaching within this study comes from The Seventh Fire Prophecy. This prophecy states that: “If the New People will remain strong in their quest, the Waterdrum of the Midewiwin Lodge will again sound its voice.” In this dissertation the residential school survivors are the New People. As the dissertation unfolds the author utilizes various Anishinabe concepts to illustrate how the compensation processes failed to assist the New People to reconcile with their residential school experience. This study presents a medicine wheel understanding of reconciliation and the Residential School Legacy. It concludes with an important message to the second and third generation survivors to continue the reconciliatory efforts that the New People introduced. It is crucial that the children and grandchildren of the New People begin the reconciliation process not only for themselves but for the next seven generations. Author Keywords: Anishinabe, compensation, Indian residential schools, reconciliation, survivors
Situating Copper Bells in Prehispanic Southwest Societies
This thesis examines the spatial, temporal, and contextual distribution of copper bells in the Greater Southwest region and how they are situated in archaeological literature. To date, 672 copper bells have been found in at least 113 different Southwestern sites dating from ca. A.D. 900-1450, though there is no archaeological evidence for metallurgical activities in the area at this time. The origin of copper bells has been assumed to be West Mexico, a region known for its metallurgical traditions and whose inhabitants produced copious amounts of similar bells. Various lists of copper bells discovered have been compiled over the years, but little consideration has been given to the role these artifacts may have played in Southwestern societies. Copper bells are frequently labelled as prestige goods in archaeological literature, a term which fails to account for their significant depositional variation. By updating the database of known Southwestern copper bells, it becomes possible to examine these contextual distributions in greater detail. It is concluded that the prestige goods model is not suitable for Southwestern copper bells in many cases, and that alternative frameworks such as inalienable possessions are a better fit for these artifacts. Author Keywords: Archaeology, copper bells, inalienable possesions, interaction, U.S. Southwest
Stable Isotope Analysis of Archaeological Faunal Remains From the Middle Trent Valley, Ontario
A sample of faunal remains (n=129) from seven archaeological sites located on Pigeon and Rice Lakes, Ontario were sampled and analyzed for the stable carbon and nitrogen isotopic composition of bone collagen. These samples date from the Archaic to Late Woodland and include 35 different animal species. The goal of this research was to investigate the isotope ecology of the Middle Trent Valley and characterize the degree to which isotope ratios varied across space and time between different lakes, as wells as variation within and between species. There were no statistically significant differences in the Middle Trent Valley δ13C or δ15N according to space and time. As such, the isotope data for all archaeological sites were combined to construct an isotope food web for the Middle Trent Valley and compared to Katzenberg’s (1989) food web. These isotope data provide some insight into the dynamic interplay between local ecosystems, and anthropogenically modified landscapes in Ontario. Author Keywords: carbon, food web reconstruction, human-animal relations, Middle Trent Valley, nitrogen, Stable isotope ecology
Gaagnig Pane Chiyaayong: Forever, We Will Remain, Reflections and Memories
ABSTRACT Gaagnig Pane Chiyaayong: Forever, We Will Remain Reflections and Memories: `Resiliency' Concerning the Walpole Island Residential School Survivors Group Theresa Turmel From 1830 to 1996, Canada pursued a policy of removing Indigenous children from their families and educating them in residential schools. In coming to terms with the harsh and abusive treatment they endured, many survivors from residential schools have formed organizations to support each other and to make their experiences known. This project is a result of a participatory, community-based partnership with one such group in southwestern Ontario, the Walpole Island Residential School Survivors Group (WIRSSG), many of whom attended Shingwauk Indian Residential School. Like most of the survivors of the WIRSSG, I am Anishinaabe but did not attend residential school. The survivors invited me to deeply listen to their life experiences in order to learn about their resiliency. Guided by traditional Anishinaabe teachings and using an Anishinaabe methodology, I interviewed thirteen survivors and considered their life stories within the context of the traditional Anishinaabe life cycle. In their descriptions of resiliency, what became clear to me was that they were describing life force energy. This life force energy is innate and holistic, and can be found within each of us. It manifests within all of our relations: land, animals, plants, ancestors and other people. The life force energy cannot be extinguished but can be severely dampened as was evident in the attempt to assimilate residential school students. From their accounts, we learn that students found ways to nurture their life force energy through relationships and acts of resistance. As they have continued on their life path, they have reclaimed their spirit and today, they are telling their stories and keeping this history alive for the benefit of future generations. Key words: Anishinaabe; Anishinaabe Mino-bimaadiziwin; Residential Schools; Aboriginal Residential School survivors; Indian Residential Schools; Indian Residential School survivors; life force energy; resilience; resiliency; resiliency theory; Walpole Island Residential School Survivors Group; Shingwauk; Shingwauk Indian Residential School Author Keywords: life force energy, residential school survivors, resiliency
Identifying non-local individuals at the ancient Maya centre of Minanha, Belize through the use of strontium isotope analysis
Strontium isotope analysis has become an important tool in identifying non-local individuals at archaeological sites. For this study, tooth enamel samples were collected from 20 individuals from the ancient Maya centre of Minanha, Belize. These individuals date to periods spanning the formative occupation of the centre, as well as its fluorescence and protracted decline. The goal of this research was to investigate if non-local individuals played a role in Minanha's formation and fluorescence. The study utilised published strontium isotope maps from Belize and the Yucatán in order to establish local 87Sr/86Sr values. The values of the Minanha enamel samples (n = 20) fell predominantly outside of the expected strontium isotope range; this result seemed implausible and an alternative method was utilised to establish the local 87Sr/86Sr values. The outlier method identified 5/20 (25%) non-local individuals. All of the non-local individuals had 87Sr/86Sr values that coincided with published 87Sr/86Sr values reported from within 10 - 20 km of Minanha. However, some strontium isotope values also corresponded with 87Sr/86Sr values reported from regions >50 km away. The percentage of non-locals at Minanha is consistent with other Mesoamerican centres. This study emphasises the importance of collecting local baseline 87Sr/86Sr values from sites themselves, as 87Sr/86Sr values from neighbouring regions might not reflect local strontium isotope values. Author Keywords: Ancient Maya, bioarchaeology, migration, mobility, Vaca Plateau

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