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Theses and Dissertations (Geography, Geoinformatics and Meteorology): Recent submissions
Now showing items 21-40 of 244
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(University of Pretoria, 2023)Climate change and its negative impacts on ecosystem functioning on a global scale have recently become apparent. Climatic influences often negatively influence sensitive environments such as estuary’s ability to provide ...
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(University of Pretoria, 2023)Nutrient limitations may impact the ecosystem services the savanna biome provides. It may lead to degradation and, consequently, reduce the grazing capacity of the savannas if the necessary control measures are not implemented ...
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(University of Pretoria, 2023)Grass quality as measured by leaf nitrogen (P) and phosphorus (N) plays a major role in understanding the distribution, densities and population dynamics of herbivores including livestock and wild herbivores. The aim of ...
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(University of Pretoria, 2023)Wetlands are recognised as the important natural ecosystems in the world. The above-ground biomass (AGB) of wetland vegetation is essential for providing ecosystem services related to global climate change due to its ...
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(University of Pretoria, 2023)Globally, the geospatial community is making great effort to maximise the use of geospatial information for solving complex problems, at various scales. The United Nations Committee of Experts on Global Geospatial Information ...
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(University of Pretoria, 2023)Aspects of upper tropospheric Rossby wave packets (RWPs) over South Africa (SA) and adjacent oceans were explored. This study used a local finite amplitude wave activity (LWA, A) diagnostic based on isentropic primitive ...
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(University of Pretoria, 2022)The negative health and socio-economic impacts of emissions associated with domestic fuel burning are widely recognized. Although there has been much progress in the provision of electricity to households in South Africa, ...
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(University of Pretoria, 2022)The study on bush encroachment goes as far back as 1917, which is ranked among the top three rangeland problems in South Africa with expected increase in affected areas. Bush encroachment is considered one of the most ...
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(University of Pretoria, 2022)The acquisition of spatial data can be a problematic process, especially for geographically isolated areas or those where fieldwork is difficult. It is, therefore, important to explore non- field-based methods of producing ...
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(University of Pretoria, 2022)Aardvark (Orycteropus afer) burrows provide shelter to a variety of organisms, making it important to understand how these engineered environments get utilized in areas that are affected by agricultural activities. To ...
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(University of Pretoria, 2022)This study is an exploratory and descriptive inquiry to provide an in-depth account of women farmers in Maseru and Quthing districts in Lesotho to capture how they perceive, experience, and respond to climate variability. ...
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(University of Pretoria, 2022)This mini-dissertation considers semi-parametric finite mixtures of partially linear models with Gaussian errors and focuses on the estimation procedure for such models. The semi-parametric structure allows for flexible ...
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(University of Pretoria, 2023)Across the world, grasslands provide open space and resources to many wildlife species, but are under severe threat of transformation by agriculture and land-use change. Although the grassland biome of South Africa is ...
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(University of Pretoria, 2022)Astrometric and geodetic Very Long Baseline Interferometry (VLBI) at the Hartebeesthoek Radio Astronomy Observatory (HartRAO) contribute to the realisation of the International Celestial Reference Frame (ICRF) and determination ...
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(University of Pretoria, 2022-07)Clear air turbulence is a hazardous micro-scale feature to the aviation industry, and the forecasting thereof remains a significant challenge. Clear air turbulence indices describe possible turbulent development mechanisms ...
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(University of Pretoria, 2022)Despite the strategic importance of community parks for low-income areas where residents are often confined into densely occupied living areas, these parks remain neglected and research about the sense of connectedness or ...
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(University of Pretoria, 2022)Over the last two decades, the South African energy situation has seen a significant change on account of a growing population, urbanisation, and economic growth. With an increasing population and the governmental drive ...
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(University of Pretoria, 2021)Agribusiness which contributes significantly to most economies in Africa is under threat from socio-economic and political factors which affect their productivity. This study set out to investigate the factors influencing ...
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(University of Pretoria, 2022)Climate change requires the urgent and effective implementation of climate change mitigation measures. These provide the potential to reduce global greenhouse gas (GHG) emissions and to limit global warming to 2°C or less ...
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(University of Pretoria, 2022-05-13)Intensive land-use changes and management can serve as indicators for major impacts on biodiversity, especially when those changes show the loss of natural habitat due to urban sprawl, cultivation, mining, logging, and ...
Now showing items 21-40 of 244