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It is a common feeling among archivists that the basic principles of archival theory may have to be examined and redefined in light of the development of computer technology. This need exists not so much because archivists are currently faced with a new and unfamiliar medium, but because the new technology changes not only the uses made of the information but also the way in which we perceive it. The many attempts to approach the problem in the last twenty years have tended to be focused on single archival functions rather than on fundamental archival principles, and the solutions proposed were essentially practical. This thesis takes a global approach to archival theory and tries to answer the general question: are traditional archival principles valid as a guide in the treatment of machine readable records? In order to answer this question, the thesis puts into relationship the terminologies of computer and archival science, analyses and reconciles them, and proceeds to examine the basic concepts of the nature of archives and records, their life cycle, their appraisal, arrangement and methods of communication, and studies their application to machine readable records. The conclusion of this study is that the theoretical foundation of archival science is valid for the management of all archival documents regardless of their physical medium, and that any differences in treatment are a result of practical application of the theory. However, the development and diffused use of computer technology have opened new areas of concern to all archivists which must be explored from a theoretical perspective. Archival science does not, therefore, need to be redefined, but merely expanded. / Arts, Faculty of / Library, Archival and Information Studies (SLAIS), School of / Graduate

The Hudson River estuary (HRE) is a well monitored aquatic resource and much secondary data exist for this system. We developed two objectives based on accessible HRE aquatic data. The first objective was to determine if changes in HRE fish community over the time period (1974 to 2005) years are correlated to local and regional climate. We addressed this objective by employing a multivariate statistical approach. We confirmed that the HRE fish community structure has changed over the time period (1974 to 2005). These changes are correlated with local hydrology (freshwater flow and water temperature) and regional climate (Atlantic Multidecadal Oscillation or AMO and North Atlantic Oscillation or NAO). We found that abundances of striped bass larval stages are positively correlated with high freshwater flows and juvenile shad abundances are negatively correlated with the AMO or warmer sea surface temperatures (SST). This finding suggests that climate-related variability affects HRE juvenile shad abundances and current management strategies for this declining species should include the implications of climate change. The second objective was to examine whether factors such as sediment type, water characteristics and distance to nearest submerged aquatic vegetation (SAV) beds affect the occurrence or presence/absence of juvenile American shad (Alosa sapidissima) and juvenile striped bass ( Morone saxatilis) in the HRE during the fall. We addressed this objective by applying geostatistics and general linear mixed effects models. We found the probability of presence for both species were commonly driven by spatial dependence or river mile, Julian day and salinity. Our results include maps depicting probability of occurrence (or presence) for both species throughout the HRE. We found the highest predicted probabilities of juvenile American shad presence are found in the Upper HRE. Conversely, highest predicted probabilities of juvenile striped bass presence are found in the Lower HRE. Habitat partitioning between these two species is present during the fall in this system but the mechanism is unclear. Future studies could address a possible predator-prey or competitive relationship between juvenile American shad and juvenile striped bass.

Anyone who has spent time in coastal New England has seen gulls flying overhead and heard their familiar sound; gulls may be one of the most recognizable birds in the world. There are over 50 species of gulls worldwide, and many of them are closely associated with human development or activities. In Massachusetts, there are several common gull species including herring (Larus argentatus), great black-back (Larus marinus), laughing (Leucophaeus atricilla), and ring-billed (Larus delawarensis). While coastal encounters with gulls are ubiquitous, gulls can also be found inland, and ring-billed and herring gulls are now a common sight at lakes, parks, and commercial parking lots dozens or hundreds of kilometers from the ocean. This inland population of gulls presents unique challenges and exciting research opportunities. Because they are often closely associated with human activity, concentrations of inland gulls can lead to potential water quality concerns (when large roosts form on public water supply reservoirs), airplane hazards (when groups of gulls concentrate near airports or flight paths), or disease transmission (when gulls forage at landfills or waste water treatment plants then visit areas with people). In the following chapters I explore various aspects of inland gull ecology during the non-breeding season. In chapter 1, I review the concept of philopatry in birds and discuss ways to assess site faithful behavior. In Chapters 2 and 3, I explore some of the ecological aspects of inland gulls. Chapter 2 examines the site fidelity of gulls to their wintering areas and my results suggest that gulls exhibit high winter-site fidelity but variable site persistence during the winter season. Chapter 3 explores roost site selection throughout the year and models roost selection in Massachusetts. My results indicate that ring-billed gulls prefer freshwater roosts, while herring gulls use saltwater roosts more often. In Massachusetts, both herring and ring-billed gulls select inland freshwater roosts based on the size of the water body and proximity to their last daytime location. In Chapter 4, I detail the results of an experimental study trying to reduce the amount of anthropogenic food available to gulls at inland parking lots. Ring-billed gulls were the most common gull found in parking lots, and my educational approach to reduce feedings had mixed results; education seemed to reduce the number of feedings in some cases, but the number of gulls in each parking lot was not affected. In Chapters 5 and 6, I detail some applied management techniques. Chapter 5 discusses efforts to exclude gulls from a waste water treatment plant in central Massachusetts. Overhead stainless-steel wires were completely effective at preventing gulls from using structures at the treatment plant. Chapter 6 describes an innovative technique that was used to efficiently and effectively catch gulls during winter in highly urbanized environments. I captured over 1000 gulls using a net launcher in various parking lots and other urban areas.

This dissertation examines heritage as a social construct by way of critically accessing the precursors, proponents and processes of the Tulbagh restoration. This research is focused on understanding the reasons why and how, after the earthquake of 1969, Church Street was reinstated to its 'historic' 18/19th century appearance. This reconstructive restoration is unpacked within its South African socio-political, 20th-century situation to examine the motivations of the proponents behind the restoration as well as their conservation philosophies that underpinned the stylistic reconstruction of Tulbagh back to what was regarded as its Cape Dutch 'best'. The study comprises of an examination of both the theoretical development and practical application of reconstructions. Research traces the development of conservation in South Africa, first under the Union government and then under the Afrikaner Nationalist government to understand how Afrikaner Nationalism was superseded by the creation of a white South African identity. Pierre Nora's theories around memory and identity are explored and applied in order to contextualise the Tulbagh case study in a theoretical framework to highlight similarities and differences. The proponents of the Tulbagh restoration consisted of a wide and varied selection of the South African conservation fraternity and included the National Society, the Cape Institute of Architects, historian Dr Mary Cook, the Simon van der Stel Foundation, Anton Rupert and his Historic Homes Company, Gawie and Gwen Fagan and Dr Hans Fransen, as well as the National Monuments Commission/Council. These same role players came together in the decade before the earthquake to formalise their association, conservation resolve and philosophies. The findings of the study suggest that although united with a common vision, philosophy and determination, these conservation advocates all had their own agenda and differing motivations for their involvement in Tulbagh's restoration. Motivations ranged from straightforward conservation concern and a response to the threat of cultural devastation on one hand to ideological nation-building ideals and Afrikaner nationalism on the other. Although politics impacted early on and all three levels of government funded the bulk of the restoration costs, the diversity of the proponents suggests that this project was more complex than being motivated primarily by nationalism.

Includes bibliographical references (p. 107-110). / Kolmanskop Ghost Town is situated within the Sperrgebiet National Park on the South-West Coast of Namibia. The diamond-mining town was established in 1908 and abandoned in 1956. Kolmanskop's status as a tourist attraction has been readily established and it is regarded as an important economic resource by the nearby community of Lüderitz. The key question of this research project is whether the site is also able to fulfil the criteria of an industrial heritage resource? The principal method employed is that of values-based conservation. The study relies principally on the survey of a broad range of individuals and stakeholders in order to establish present values as they pertain to Kolmanskop.

Includes bibliographical references. / This dissertation examines the heritage significance of Rust-en-Vrede as a structure with little surviving building fabric from its earliest years, but a rich history of four diverse uses since circa 1808. It is located in Durbanville to the north of Cape Town, an area which has changed over the years from farmland to suburban/urban fabric. The building is styled with a combination of Cape Dutch, Georgian and Victorian architectural elements. The building is not “pure” or mono-stylistic from an architectural point of view. However, its significance is found in its layers of associated meanings. This paper seeks to understand the shifting notions regarding authenticity in conservation. It identifies how a dominant prevailing idea of authenticity was challenged in heritage debates, particularly since the Nara Conference on Authenticity (1994). My intention is to confirm a hypothesis that a building with multiple layers of meaning can be perceived by many to have sufficient heritage significance to satisfy the assertion that it has heritage value. This heritage value can reside in the design, material and workmanship of such a building, with context providing a lesser, but also not insignificant contribution. As Stovel has pointed out, authenticity does not automatically on its own provide the best marker of heritage value.1 Rather, authenticity can be unpacked and qualified in a particular instance to arrive at a composite, nuanced understanding of value that looks beyond the “completeness” of a building.

This study is specifically concerned with the impact of cultural tourism on the valorisation of two African fortifications; Castelo São Jorge da Mina (Elmina Castle) in Elmina, Ghana and Casteel de Goede Hoop (Castle of Good Hope) in Cape Town, South Africa. The commodification of national and world heritage, primarily within the context of cultural tourism, is the process by which tangible and intangible heritage are transformed into cultural commodities to be bought, sold and profited from in the heritage and tourism industry. The perception, however, that these commodified heritage sites are contaminated, and less authentic, is based on an outmoded discourse. The South African government has placed a fair amount of focus on redressing highly emotive colonial or dissonant heritage sites with the intent of correcting misinterpreted Eurocentric histories or present non-represented pre-colonial history. The study is structured around addressing the issue of commodification and its impact on the understanding and interpretation of heritage both as an emotive commodity and as a means of providing economic benefit to a community. The literature review locates the research in Marx's theories on commodities together with Urry's tourist gaze. It furthermore includes an analysis on valorisation, with the focus on associative value, in the context of national and world heritage. Fortifications as fortified military architecture in an African context are considered; as is the European influence on African culture and fortifications as colonial structures. Elmina Castle, as a much-researched heritage site, is explored in detail. It includes a legislative analysis; the perspectives and interpretations of the two largest stakeholders groups, the Akan-speaking Fanti population and the African American Diaspora tourists is key to the analysis of the impact of commodification. A detailed history of Europeans on the Gold Coast, the development of Elmina Castle and the impact of trans-Atlantic slavery on the consumption of heritage is studied. The commodification of the Castle of Good Hope is written within the context of the prevailing South African heritage discourse. Much has been written on the commodification of Elmina Castle, while very little has been said about the Castle of Good Hope as a commodity. The prevailing authorised commodification of the Castle of Good Hope necessitated the analysis and comparison of the Castle with the selected comparative case and the study draws comparisons between the powerful emotive significance and contestations attached to Elmina and the contrast that this poses to the Castle of God Hope as a place of heritage significance despite the fact that it has been seen to symbolise the introduction of repressive European influence and control in South Africa. The research supports the notion that cultural tourism and events have impacted on the valorisation of cultural heritage and, in particular, the associative and emotive values. However, the cultural significance of the two African fortifications as important heritage sites are not at risk.

This study focuses on three projects by Gabriel Fagan, one of South Africa’s most respected and awarded architects, namely The Dias Museum in Mossel Bay, the SA Breweries Visitor’s Centre in Newlands and the University of Cape Town’s Institute of Infectious Disease and Molecular Medicine. These projects are all essentially contemporary interventions in historic fabric and each contains easily identifiable and iconic new portions – the sail-like roof of the Dias Museum, the glass lift shaft at SAB and the circular glazed pavilion at UCT’s Medical School.