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Browsing Natural and Agricultural Sciences by Type "Thesis"
Now showing items 1-20 of 1287
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(University of Pretoria, 2017)The hybrid combination between Eucalyptus grandis and Eucalyptus urophylla plays a significant role in the production of pulp in the South African Forestry Industry. Superior clones of this hybrid combination have been ...
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(University of Pretoria, 2019)Nguni cattle are known for their qualities of adaptability to harsh environmental conditions. Research has shown that this breed of Bos taurus africanus has evolved over the years and in the process developed resistance ...
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(University of Pretoria, 2017)This study was conducted to better understand the usefulness of water footprint (WF) information for vegetable crops produced on a water-stressed aquifer in South Africa. Different methodologies were investigated in a ...
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(University of Pretoria, 2018)The South African government has committed under the Paris Agreement to mitigate the growing emissions by 42 percent below the business-as-usual scenario in 2025. A carbon tax is one of the policy tools used to mitigate ...
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(University of Pretoria, 2013)Genetic parameters such as genetic variability, gene flow, relatedness and migration were determined between two South African coastal delphinid species, Cephalorhynchus heavisidii (Heaviside’s dolphin) and Tursiops aduncus ...
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(University of Pretoria, 2000)Lachnaea L., a genus endemic to the Cape Floristic Region, occurs almost exclusively in fynbos vegetation. In this revision a brief taxonomic history of Lachnaea is presented. Palynology and chromosome numbers were found ...
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(University of Pretoria, 2018)Silicon and indium tin oxide (ITO) are the active components of the modern day devices. ITO is the most used transparent conducting material (TC) in smartphones and other touch panel devices, because the required properties ...
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(University of Pretoria, 2016)Despite its favourability as a substrate in chemical vapour deposition (CVD), copper (Cu) substrate has a challenge of growing uniform large-area bilayer graphene films with continuous Bernal (AB) stacking. However, ...
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(University of Pretoria, 2007-09-19)Field-based mesocosm studies may be used as conceptual experiments to examine theoretical questions using the generated empirical data. A field-based Drosophilidae-nectarine mesocosm, comprising sun and shaded microclimate ...
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(University of Pretoria, 2005-08-05)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2023)Global plastic and food waste generation has climbed to unprecedented levels, inherently linked to exponential population growth since the 1950s accompanied by industrialization, urbanization and modernization. The reduction ...
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(University of Pretoria, 2018)With catches of over 360,000 individuals, Antarctic blue whales Balaenoptera musculus intermedia were harvested to near extinction by commercial whaling in the past century. Antarctic blue whales are an important ecological ...
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(University of Pretoria, 2021)Spectroscopes are practical tools that show the quantization of emitted light from excited elements and compounds, as well as helping students understand modern models of the atom and appreciate the unique identifying power ...
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(University of Pretoria, 2014)The purpose of this study was to identify and address an expectations gap in the environmental-performance information between a community that believes it is being polluted and the organisations from a nearby industrial ...
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(University of Pretoria, 2008-07-08)Since adoption is a dynamic process that involves learning about new technologies, static adoption models fail to adequately explore the effects of changes in farmers’ perception and attitudes over time. This study analyzed ...
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(University of Pretoria, 2007-05-16)Irrigation scheduling is accepted as the process to decide when to irrigate crops and how much to apply and is assumed to play an important role in the general improvement of water efficiency on the farm. However, the idea ...
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(University of Pretoria, 2021)In this project, a comprehensive review of existing and emerging technologies for the mitigation of PAH pollution in water was conducted. Furthermore, the status of antiretroviral drugs in African surface water, toxicological ...
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(University of Pretoria, 2022)The Dirichlet distribution is a cornerstone probabilistic consideration when working with data on the unit simplex. This thesis studies advances of several Dirichlet generalizations such as the Dirichlet generator, noncentral ...
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(University of Pretoria, 2017)This thesis contributes to statistical distribution theory by developing bivariate- and matrix variate distributions with their origins in the complex elliptical class. These contributions are inspired by the communications ...
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African swine fever virus maintenance and transmission dynamics in the sylvatic Ornithodoros vector (University of Pretoria, 2017)African swine fever (ASF) is a highly contagious and fatal haemorrhagic viral disease of domestic pigs caused by a large, DNA arbovirus with a genome ranging from 170 to 190 kbp in length, the African swine fever virus ...
Now showing items 1-20 of 1287