Natural and Agricultural Sciences
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Nonparametric estimation of the antimode and the minimum of a density function
(Potchefstroom University for Christian Higher Education, 1995, 1995)The study of the estimation of the antimode and the minimum of a density function has been neglected in the li terature, in spite of their useful applications. The main objective of this thesis is to propose and study ... -
Rule based machine translation of spreadsheet formulas to natural language expressions
(North-West University (South Africa), 2018)Errors in spreadsheets are a pervasive problem both in business and other real-life settings. Most errors in spreadsheets are formula based. Spreadsheet formulas are normally specified using alphanumeric cell addresses and ... -
Population dynamics of translocated Frithia humilis : an endangered sandstone endemic
(North-West University (South Africa). Potchefstroom Campus, 2017)Frithia humilis Burgoyne is an endangered succulent and edaphic specialist that is endemic to the Rand Highveld Grassland between the towns of Middelburg, eMalahleni (Witbank) and Bronkhorstspruit. The species is restricted ... -
Long-term trends of ambient gaseous concentrations at South African DEBITS sites and wet deposition at Cape Point
(North-West University (South Africa). Potchefstroom Campus, 2019)Although South Africa is considered an important source region for atmospheric pollutants, this region is considered to be understudied with regard to atmospheric composition, especially in terms of long-term assessments ... -
New insights into the halide-related reactions on platinum surfaces : an electrochemical investigation
(North-West University (South Africa). Potchefstroom Campus, 2019)The results of an electrochemical investigation of polycrystalline platinum are presented. The aim of the study was the elucidation of aspects of the electrochemistry of polycrystalline platinum in 0.5 M sulphuric acid ... -
De novo sequencing, assembly and annotation of the Agapornis roseicollis genome to identify variants for the development of genetic screening tests
(North-West University (South Africa). Potchefstroom Campus, 2019)The genus Agapornis consists of nine small African parrots that are commonly called lovebirds. These birds are found in their natural habitat across Africa (eight species) and Madagascar (one species), but also house as ... -
Solvent extraction of a bituminous coal using a sweet sorghum bagasse derived solvent
(North-West University (South Africa). Potchefstroom Campus, 2019)The aim of the first part of this study was to investigate the extractability of a South African bituminous (Waterberg) coal using phenol as a solvent at 300 °C, 320 °C, 340 °C, and 360 °C and a solvent/coal ratio of 10:1. ... -
Atmospheric deposition of sulphur and nitrogen over Eastern South Africa
(North-West University (South Africa). Potchefstroom Campus, 2019)Adverse effects of acid deposition ascribed to increased atmospheric emission rates of acid-forming pollutants on terrestrial and aquatic ecosystems are a global concern. This is largely accorded to the emission of sulphur ... -
The development and evaluation of an approach to understand and influence environmental attitudes at higher education institutions in South Africa
(North-West University (South Africa). Potchefstroom Campus, 2019)Most environmental problems are caused by the destructive behaviour of humans, which is difficult, but not impossible to change. One promising strategy to do so is to focus on people’s environmental attitudes (EAs), given ... -
Sustainable drinking water supply service and development in the face of different resource challenges : a case study of Midvaal Water Company, South Africa
(North-West University (South Africa). Potchefstroom Campus, 2019)Water quality of resources in large parts of South Africa is declining. The Vaal River is heavily polluted when it reaches its mid-section at Midvaal Water Company in the North-West Province. Midvaal, a water service ... -
Reflecting on SPLUMA requirements and the implications thereof for municipalities in South Africa
(North-West University (South Africa). Potchefstroom Campus, 2019)Land use management in South Africa can be traced back to the 1800s but achieved its notoriety status during the 1960s to 1980s due to its apartheid objectives. Since 1994, spatial planning instruments such as Spatial ... -
Evidence based water sensitive planning : securing water sustainability through innovative spatial planning tools
(North-West University (South Africa). Potchefstroom Campus, 2019)Everything society does, from its economy to its culture, depends in part on safe, stable access to water resources. However, water resource management looms as one of the greatest global challenges of the 21st century. ... -
Credit application scoring for consumers without credit history
(North-West University (South Africa). Vanderbijlpark Campus, 2019)Credit scoring is a tool that is used to either qualify or disqualify credit applicants by quantifying the risk factors relevant to classify them to high risk or low risk. Due to a demand in credit inclusion, financial ... -
Corridor densification option model as a means for spatial restructuring of South African cities
(North-West University (South Africa). Potchefstroom Campus, 2019)Spatial patterns of South African cities were largely influenced by Apartheid legislation, resulting in fragmented urban forms where spatial patterns were essentially based on racial segregation. Due to parallel dispensation, ... -
Virulence capabilities of endemic bacteriophages against Colistin and Extended spectrum beta-lactam resistant non-O157 Escherichia coli strains
(North-West University, 2018)STEC Escherichia coli O157 and non-O157 strains are known to cause severe food-borne infections as that may occur as either sporadic case or outbreak cases in humans even in countries with advance public health policies. ... -
Utilisation of the analytical element method in a groundwater reserve determination
(North-West University (South Africa). Potchefstroom Campus, 2018)The most important factors of South African water resources are the quantity and quality thereof. Therefore, as prescribed in the Water Services Act (108 of 1997) the Reserve needs to be protected, used, developed, conserved, ... -
Ecology, systematics and evolutionary biology of frog blood parasites in northern KwaZulu-Natal
(North-West University (South Africa). Potchefstroom Campus, 2019-05)Blood parasites have been recorded in a variety of vertebrate and invertebrate hosts, inhabiting both aquatic and terrestrial environments. Until this study, only a few blood parasite surveys had been carried out on frogs ... -
A framework for enhancing social sustainability through the planning of Third Places: a South African approach
(North-West University (South Africa). Potchefstroom Campus, 2019)Social sustainability, a dimension of sustainable development, has become increasingly influential in the urban planning context. However, there is limited research to guide urban planning approaches towards enhanced social ... -
Endophytic establishment of Beauveria bassiana in wheat (Triticum aestivum) and its impact on Diuraphis noxia
(North-West University (South Africa). Potchefstroom Campus, 2019)The entomopathogenic fungus (EPF) Beauveria bassiana (Balsamo-Crivelli) Vuillemin (Hypocreales: Cordycipitaceae) is globally known to infect a wide range of insect hosts, including aphids. The current study investigated ... -
Improvement of diagnostics for Trypanosoma equiperdum infecting equines in South Africa
(North-West University (South Africa). Potchefstroom Campus, 2019)Dourine is a sexually transmitted disease of equines caused by Trypanosoma equiperdum. Dourine has worldwide distribution and is an economically important veterinary disease. There is little to no active research on dourine ...
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