Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 26 for “"0502 Environmental Science and Management"”.
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The development of magnetic particle technology for application to environmental remediation
The potential for the development and the application of magnetic particle technology to environmental and wildlife remediation has been explored. Initial studies have been carried out on the ability of iron particles with polyethylene (PE) or polyvinylchloride (PVC) to magnetically harvest various …
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The effects of treated sewage effluent on three species of marine macroalgae
… species Phyllospora comosa, Hormosira banksii and Macrocystis angustifolia were exposed to treatments of sewage effluent, copper, chromium and reduced salinity. Germination and mortality of P. comosa and H. banksii zygotes and embryos, and germination and germination tube growth of M. …
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Selection and Evaluation of Potential Stormwater Harvesting Sites in Urban Areas
… of increasing urbanisation, growing populations, and fluctuating climate change regimes. Therefore, water resource managers are globally developing strategies to ensure water security and associated long term sustainable use. Stormwater harvesting represents one of those strategies which reduces …
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Semantics orientated spatial temporal data mining for water resource decision support
Water resource management is becoming more complex and relies heavily on computer software processing to help data queries for common and rare patterns for analyzing critical water events. For example, it is vital for decision makers to know if certain types of water quality problems are isolated …
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Development of a Water Sustainability Index for West Java, Indonesia
… that available water can be used by both present and future generations. To ensure sustainability, a comprehensive knowledge of the current conditions of water resources is necessary. Once this information is obtained, relevant programs can be designed to improve the quality and use of water …
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The fixation of arsenic wastes
… to control or eliminate a variety of insect and fungicidal pests. Arsenical wastes are also often produced during the extraction of metals such as copper, gold, nickel and tin. Consequently, there are large numbers of sites contaminated with toxic arsenic residues. The environmental treatment …
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An ecological study of waste stabilization ponds in Werribee, Australia, with special reference to nutrient and plankton dynamics
… as a waste treatment facility which is both environmentally friendly and economically sustainable. In the treatment processes, recycling of resources is maximized while energy input is minimized. Moreover, through livestock production in the land and grass filtration areas, as much as 20% of …
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A Framework for Determining and Establishing the Factors that affect Wastewater Treatment and Recycling
… community would undertake wastewater treatment and use the output for various purposes is investigated. In assessing these issues two contrasting case studies of wastewater treatment and recycling are studied namely Hyderabad, India (representing a developing country context) and Melbourne, …
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The use of stomatal frequency from three Australian evergreen tree species as a proxy indicator of atmospheric carbon dioxide concentration
… be obtained on how past fluctuations in [CO2] and temperature has affected terrestrial communities this knowledge can increase our understanding as to how future climate change may impact upon modern-day ecosystems. Foliar stomatal frequency analysis is a proxy-CO2 measure that may provide …
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Management of seal tourism in New Zealand – tourism and the New Zealand fur seal in the Bay of Plenty
Pinniped (seal, sea lion and walrus) tourism is an expanding industry, popularized due to the playful and interactive nature of seals. The industry can have positive outcomes for pinnipeds, through education and the promotion of conservation issues, or negative outcomes, such as causing the animals …
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Short term planning and operation of irrigation systems
… with regards to rural water supplies in Victoria and most other parts of Australia, emphasis is placed more on efficient use of existing water resources than on new resource developments. This is especially true for irrigation systems. This emphasis is mainly due to limited funds available for …
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Parameter optimisation of river water quality models using genetic algorithms
… water for humans, irrigation water to farmlands, water for hydropower and home for many aquatic ecosystems. However, due to population increase and its adverse effects on the rivers, inappropriate farming activities in the river catchments, and other similar adverse activities, the water …
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The design and control of anaerobic ponds with specific reference to Western Treatment Plant
… thesis reports results of a study of the control and improvement of the covered 115E Anaerobic Reactor at Western Treatment Plant. The 115E Reactor treats 60 ML of sewage per day and produces methane which is harvested for power production. The objectives of this research were to identify ways to …
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Biodegradation of polycyclic aromatic hydrocarbons : application of fungal-bacterial co-cultures and surfactants
… of the work in this thesis was to isolate and characterize microorganisms that can grow on high molecular weight PAHs as a sole carbon and energy source, and, in addition, totally degrade these compounds to carbon dioxide and water.
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Investigation of the relationships between biomass reduction, soil disturbance, soil nutrients and weed invasion in basalt plains native grassland remnants in Victoria, Australia
… relationships between biomass reduction (burning and mowing), soil disturbance, soil nutrient levels (N, P and K) and weed invasion in native grassland remnants in Victoria, Australia. The study was carried out at three native grassland remnant sites, Derrimut grassland reserve, Laverton grassland …
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Landfall: reading and writing Australia through climate change
… critical outcomes for the Australian continent, and asks what the consequences of this are as the precariousness of Australia’s future in relation to climate change continues to gather pace. Comprising a novel (70%) and exegesis (30%), the thesis as a whole seeks to explore the connections …
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An analysis of climate change impact and adaptation for South East Asia
… with respect to data, model specification and results. South East Asia is a rapidly developing region both economically and socially, and in an environmental sense the countries of the region encompass similar ecosystems and climatic conditions. Both of these factors make it an interesting …
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Biodiversity impacts of Chilean needle grass Nassella neesiana on Australia’s indigenous grasslands
… to biodiversity in the endangered natural grasslands of south-eastern Australia. Research was undertaken in Canberra and Melbourne grasslands to examine mechanisms by which N. neesiana invades native grasslands, the impacts of invasion on vascular plant and invertebrate biodiversity and …
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Popular environmental education : progressive contextualization of local practice in a globalizing world
The thesis examines the popular environmental education practice of the Center for Environmental Concerns – Philippines (CEC) and distils insights into educational practice in a globalizing world. Progressive contextualization is used to examine the development of CEC’s educational practice. It is …
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