Resource Management and Geography - Theses
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ItemThe impact of kangaroo grazing on sediment and nutrient mobilisation( 2000-05)The adverse impacts on vegetation and soils due to livestock grazing have been extensively studied for many years. The extent to which native wildlife may also be causing change to their environment, as a result of local increases in population density, has been the subject of debate in a number of countries. In Australia there has been a growing awareness in recent years that native herbivores, particularly kangaroos and wallabies, may also be causing changes to ecosystem dynamics. Environmmental changes, produced firstly by the aboriginal people and then by Europeans, have favoured the larger macropods, resulting in increased population levels. These impacts can also be seen in areas around cities, where pressure from urbanisation has restricted populations to smaller and smaller patches of remnant vegetation and reserves, increasing the pressure on diminishing food resources within these patches. This study focuses on one of the areas that supplies drinking water to Melbourne, the Yan Yean Reservoir catchment, which is situated 37 km north east of Melbourne. This study adds to our understanding of the impacts of native wildlife populations by investigating the extent of some of these possible changes to ecosystem dynamics.
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Item'It's in your hands': an assessment of the Australian Landcare movement( 1995)Australia's 'Landcare' program is a community-based, participatory program, established by Government, to tackle the problem of land degradation. It has been hailed by some, as the most imaginative sustainable development policy anywhere in the world. There have been many studies which have sought to measure the success of Landcare, using quantitative indicators such as the number of Landcare groups. This thesis seeks to devise alternative ways for Landcare to be assessed and thought about. It focuses upon the practice of Landcare in one particular region of Victoria: a practice which is formed out of the complex interaction of state policy, community aspirations and capabilities and the broader political and economic context. At a theoretical level, this thesis is informed by several areas of the academic literature. In particular, the role of the state apparatus in environmental management, the environment and political economy, and theories of ideology. These theoretical arguments are elaborated in several ways: through a detailed review of the emergence of Landcare as policy, both in Victoria and at a Federal level; through consideration of the complex bureaucratic arrangements which have grown around Landcare; and through a case study. The case study draws upon the experience of Landcare by farmers on the Dundas Tablelands in Victoria's Western District. Through participant observation and in-depth interviewing across seven Landcare groups, some insight is offered into the practice of Landcare in a local setting, for example: the ways in which government rhetoric about Landcare is enacted at the local level; the way in which the Landcare bureaucracy works with, or against, the program; and the way in which funding arrangements contribute to Landcare's effect on-the-ground. The case study draws upon the experience of Landcare by farmers on the Dundas Tablelands in Victoria's Western District. Through participant observation and in-depth interviewing across seven Landcare groups, some insight is offered into the practice of Landcare in a local setting, for example: the ways in which government rhetoric about Landcare is enacted at the local level; the way in which the Landcare bureaucracy works with, or against, the program; and the way in which funding arrangements contribute to Landcare's effect on-the-ground. It is argued that without an improved understanding of its limitations, the Landcare program is unlikely to succeed in the long-term. In the meantime, there are indications that calls for the expansion of Landcare may be to the detriment of the program’s original objective, which was to ensure more sustainable use of agricultural land in Australia. Renewed consideration is urged, of the ways in which Landcare's 'success' is measured.