A baseline survey of channel geomorphology with particular reference to the effects of sediment characteristics on ecosystem health in the Tsitsa River, Eastern Cape, South Africa
- Huchzermeyer, Nicholaus Heinrich
- Authors: Huchzermeyer, Nicholaus Heinrich
- Date: 2018
- Subjects: Fluvial geomorphology -- South Africa -- Eastern Cape , Stream health -- South Africa -- Eastern Cape , River sediments -- South Africa -- Eastern Cape , Watershed management -- South Africa -- Eastern Cape , Dams -- Environmental aspects -- South Africa -- Eastern Cape , Tsitsa River (South Africa) , Ntabelanga Dam (South Africa)
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/58056 , vital:27040
- Description: Fluvial systems are dynamic systems in which variables in a catchment and river channel affect the morphology of river reaches. South African rivers are increasingly being exposed to stresses from a combination of factors, one of the most prevalent being the impacts of damming rivers which result in varying downstream sediment fluxes and flow regimes. The sediment load combined with flow characteristics for respective river channels provides the physical habitat for aquatic ecosystems. The damming of the Tsitsa River, through the construction of the Ntabelanga Dam, will change the overall downstream geomorphology. This creates an opportunity for research in the preconstruction window. The current condition of the Tsitsa River was monitored by completing a baseline survey of the channel geomorphology with specific reference to the influence of sediment on river habitats and ecosystem health. Five sites were established in variable reaches of the Tsitsa River, with Site 1 located above the proposed Ntabelanga Dam inundation and Sites 2-5 below the proposed dam wall. Each site included a range of features that can be monitored for their response to the dam. Physical variables, water quality and biota were monitored seasonally to note changes in habitat quality. A baseline survey of the present geomorphology and associated instream habitats of the selected reaches was set up by conducting cross-sectional surveys of channel topography, water slope surveys, discharge measurements and visual and quantitative assessments of substrate. Level loggers were installed at each site to collect continuous data on variations in depth and temperature. Monitoring surveys, in terms of fine sediment accumulation, were conducted to characterise dynamic habitat arrangements and macroinvertebrate community composition. A taxa related physical habitat score for the Tsitsa River was created. The relationship between water quality, physical and ecological characteristics of the Tsitsa River will aid further research in the area as well as create a better understanding of the influence of sediment on river habitats and ecosystem health. Monitoring sites can be used to monitor the impact of catchment-wide rehabilitation on river health prior to the dam being built. After dam construction, the top site above the dam inundation can still be used as a point to monitor the impact of catchment rehabilitation on ecosystem health in terms of fine sediment accumulation.
- Full Text:
- Date Issued: 2018
- Authors: Huchzermeyer, Nicholaus Heinrich
- Date: 2018
- Subjects: Fluvial geomorphology -- South Africa -- Eastern Cape , Stream health -- South Africa -- Eastern Cape , River sediments -- South Africa -- Eastern Cape , Watershed management -- South Africa -- Eastern Cape , Dams -- Environmental aspects -- South Africa -- Eastern Cape , Tsitsa River (South Africa) , Ntabelanga Dam (South Africa)
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/58056 , vital:27040
- Description: Fluvial systems are dynamic systems in which variables in a catchment and river channel affect the morphology of river reaches. South African rivers are increasingly being exposed to stresses from a combination of factors, one of the most prevalent being the impacts of damming rivers which result in varying downstream sediment fluxes and flow regimes. The sediment load combined with flow characteristics for respective river channels provides the physical habitat for aquatic ecosystems. The damming of the Tsitsa River, through the construction of the Ntabelanga Dam, will change the overall downstream geomorphology. This creates an opportunity for research in the preconstruction window. The current condition of the Tsitsa River was monitored by completing a baseline survey of the channel geomorphology with specific reference to the influence of sediment on river habitats and ecosystem health. Five sites were established in variable reaches of the Tsitsa River, with Site 1 located above the proposed Ntabelanga Dam inundation and Sites 2-5 below the proposed dam wall. Each site included a range of features that can be monitored for their response to the dam. Physical variables, water quality and biota were monitored seasonally to note changes in habitat quality. A baseline survey of the present geomorphology and associated instream habitats of the selected reaches was set up by conducting cross-sectional surveys of channel topography, water slope surveys, discharge measurements and visual and quantitative assessments of substrate. Level loggers were installed at each site to collect continuous data on variations in depth and temperature. Monitoring surveys, in terms of fine sediment accumulation, were conducted to characterise dynamic habitat arrangements and macroinvertebrate community composition. A taxa related physical habitat score for the Tsitsa River was created. The relationship between water quality, physical and ecological characteristics of the Tsitsa River will aid further research in the area as well as create a better understanding of the influence of sediment on river habitats and ecosystem health. Monitoring sites can be used to monitor the impact of catchment-wide rehabilitation on river health prior to the dam being built. After dam construction, the top site above the dam inundation can still be used as a point to monitor the impact of catchment rehabilitation on ecosystem health in terms of fine sediment accumulation.
- Full Text:
- Date Issued: 2018
A budget and expenditure review of public hospital facilities in the Eastern Cape in transition towards National Health Insurance
- Authors: Ndlovu, Garfield OG
- Date: 2018
- Subjects: Health services administration--South Africa--Eastern Cape Government spending policy--South Africa--Eastern Cape Health services administration
- Language: English
- Type: Thesis , Masters , Public Health Leadership
- Identifier: http://hdl.handle.net/10353/11139 , vital:37174
- Description: The quest to ameliorate and enhance the equitable allocation of resources in the Health Industry remains a global challenge, in particular the distribution of funding resources in public sector health facilities. The need to analyse and understand the appropriation of budget and utilisation of funds by hospital facilities is important in the in the Eastern Cape. The focus of the study seeks to explore recommendations that can be employed in the provincial budgeting process of Hospital Facilities, in a bid to optimise efficiency and improve the funding process as part of the provincial readiness activities towards the realisation of the NHI System and funding approach, wherein the NHI Fund will be a public entity that is not in business to make profit (NHI Booklet 2012: 05). This fund will introduce new systems of paying hospitals and professionals for the services they provide, aiming to be fair to them but to put a stop to unreasonable profits (NHI Booklet 2012: 05). The research has employed the use of descriptive quantitative techniques in order to undertake an expenditure review of existing financial data with respect to the Eastern Cape public Hospitals. The study followed a quantitative descriptive research design, the purpose of this study is that, quantitative research deals in numbers, logic, and an objective stance (Babbie: 2010). The Quantitative aspect of the study found that the data provided, allowed the researcher to organise, synthesise, prioritise and assign value to specific key performance indicators that would be used for the appraisal of hospital facilities in relation to the expenditure patterns based which would present a glimpse into how the Eastern Cape department of health utilises funding resources.
- Full Text:
- Date Issued: 2018
- Authors: Ndlovu, Garfield OG
- Date: 2018
- Subjects: Health services administration--South Africa--Eastern Cape Government spending policy--South Africa--Eastern Cape Health services administration
- Language: English
- Type: Thesis , Masters , Public Health Leadership
- Identifier: http://hdl.handle.net/10353/11139 , vital:37174
- Description: The quest to ameliorate and enhance the equitable allocation of resources in the Health Industry remains a global challenge, in particular the distribution of funding resources in public sector health facilities. The need to analyse and understand the appropriation of budget and utilisation of funds by hospital facilities is important in the in the Eastern Cape. The focus of the study seeks to explore recommendations that can be employed in the provincial budgeting process of Hospital Facilities, in a bid to optimise efficiency and improve the funding process as part of the provincial readiness activities towards the realisation of the NHI System and funding approach, wherein the NHI Fund will be a public entity that is not in business to make profit (NHI Booklet 2012: 05). This fund will introduce new systems of paying hospitals and professionals for the services they provide, aiming to be fair to them but to put a stop to unreasonable profits (NHI Booklet 2012: 05). The research has employed the use of descriptive quantitative techniques in order to undertake an expenditure review of existing financial data with respect to the Eastern Cape public Hospitals. The study followed a quantitative descriptive research design, the purpose of this study is that, quantitative research deals in numbers, logic, and an objective stance (Babbie: 2010). The Quantitative aspect of the study found that the data provided, allowed the researcher to organise, synthesise, prioritise and assign value to specific key performance indicators that would be used for the appraisal of hospital facilities in relation to the expenditure patterns based which would present a glimpse into how the Eastern Cape department of health utilises funding resources.
- Full Text:
- Date Issued: 2018
A business process management framework for enhancing enterprise resource planning value derived in supply chain optimization
- Authors: Sahdeo, Viresh
- Date: 2018
- Subjects: Reengineering (Management) , Workflow -- Management Performance -- Management Strategic planning
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/34833 , vital:33459
- Description: Enterprise Resource Planning (ERP) systems easily diffuse knowledge and allow good business decisions for Information System (IS) technological and organizational advancement. This research is an investigation of how to improve the strategic management and operational efficiency of Enterprise Information Systems (EIS). A Business Process Management (BPM) framework was designed to integrate varying perspectives of organizational activities for wider collaboration and value derivation. The systematic methodology of Business process management (BPM) enables corporates to be more effective and efficient through continual process improvement. Elements used to build the BPM framework explain how to successfully derive value, inclusive of the performance indicators to measure outcomes. The model was tested with questionnaire data collected from corporates operating in the Southern African region and further refined based on Cronbach alpha reliability tests. The findings improve the interpretation of the determinants for the success of BPM and ERP IS from the user’s perspective. The results show that continuous improvement efforts and organisational support have positive influence on performance and validate the importance of quality, service, information, integration and workflow dependencies. Originality/value – This research extends prior work of BPM frameworks to follow up on customer orientation and servitization. Studies have not investigated relationship commitment between IT and operational business units. The relationship and interdependence of organisational functions is essential for Supply Chain value creation. Industrialization and information technology(IT) integration faces new opportunities. The agility of IT is further explored more into efforts of collaboration, structure, and innovation for future changes, emerging technologies and practices envisioned. This research seeks to propose a framework for the future development of smart supply chain, which can provide theory and case for intelligent operational activities with key technologies, such as RFID, Neural Networks, machine learning and artificial intelligence(AI).
- Full Text:
- Date Issued: 2018
- Authors: Sahdeo, Viresh
- Date: 2018
- Subjects: Reengineering (Management) , Workflow -- Management Performance -- Management Strategic planning
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/34833 , vital:33459
- Description: Enterprise Resource Planning (ERP) systems easily diffuse knowledge and allow good business decisions for Information System (IS) technological and organizational advancement. This research is an investigation of how to improve the strategic management and operational efficiency of Enterprise Information Systems (EIS). A Business Process Management (BPM) framework was designed to integrate varying perspectives of organizational activities for wider collaboration and value derivation. The systematic methodology of Business process management (BPM) enables corporates to be more effective and efficient through continual process improvement. Elements used to build the BPM framework explain how to successfully derive value, inclusive of the performance indicators to measure outcomes. The model was tested with questionnaire data collected from corporates operating in the Southern African region and further refined based on Cronbach alpha reliability tests. The findings improve the interpretation of the determinants for the success of BPM and ERP IS from the user’s perspective. The results show that continuous improvement efforts and organisational support have positive influence on performance and validate the importance of quality, service, information, integration and workflow dependencies. Originality/value – This research extends prior work of BPM frameworks to follow up on customer orientation and servitization. Studies have not investigated relationship commitment between IT and operational business units. The relationship and interdependence of organisational functions is essential for Supply Chain value creation. Industrialization and information technology(IT) integration faces new opportunities. The agility of IT is further explored more into efforts of collaboration, structure, and innovation for future changes, emerging technologies and practices envisioned. This research seeks to propose a framework for the future development of smart supply chain, which can provide theory and case for intelligent operational activities with key technologies, such as RFID, Neural Networks, machine learning and artificial intelligence(AI).
- Full Text:
- Date Issued: 2018
A case study of emergent environmental pedagogical content knowledge in a Fundisa for Change teacher professional development course
- Authors: Brundrit, Susan
- Date: 2018
- Subjects: Career development -- South Africa , Environmental education -- South Africa , Teachers -- Training of --South Africa , Environmental education -- Study and teaching -- South Africa , Fundisa for Change
- Language: English
- Type: text , Thesis , Masters , MEd
- Identifier: http://hdl.handle.net/10962/62850 , vital:28301
- Description: This study set out to explore and describe in the form of a qualitative case study, an iteration of a Fundisa for Change teacher professional development programme, in this case the Teaching Life & Living short course presented to seventeen teachers as part of their Advanced Certificate in Teaching (ACT) Senior Phase Natural Sciences, at the University of Cape Town. The focus of the research was on describing how the development of teacher environmental pedagogical content knowledge (PCK) was supported and constructed in the course. The Consensus Model of Teacher Professional Knowledge and Skill, an outcome of the 2012 PCK Summit, was used to define the concept of PCK and also contributed the concept of amplifiers and filters as processes that mediate the development of teacher PCK. The study drew on Borko’s (2004) model of a professional development system, using the elements of course, teachers, facilitators and context as an analytical framework. Data generated included a teacher contextual profile questionnaire, audio-recordings of group work, course outputs and reflection and evaluation forms. Data analysis had two phases: the first phase concentrated on the development of analytic memos based on particular data sources whereas the second phase worked across data sources to present the evidence relating to each of the professional development system elements. The study found that teachers were supported in the development of their environmental PCK by the collaborative learning opportunities afforded by the course. Emergent PCK was organised according to five components: assessment knowledge; pedagogical knowledge; content knowledge; knowledge of learners; and, curricular knowledge. Emergent teacher learning ranged in specificity from general, to subject-specific, to domain-specific, and lastly to topic-specific knowledge. Teacher beliefs and orientations, prior knowledge and contexts brought into the professional development system were described as amplifiers and filters to teacher learning of PCK. In particular there were several contextual factors that emerged as themes from the data that had potentially filtering effects. Recommendations included that facilitators create an atmosphere conducive to collaborative learning, that evidence of learner conceptual understanding be examined during the course, that teachers be exposed to in-depth examples of canonical PCK and that more modelling of formative assessment strategies are presented.
- Full Text:
- Date Issued: 2018
- Authors: Brundrit, Susan
- Date: 2018
- Subjects: Career development -- South Africa , Environmental education -- South Africa , Teachers -- Training of --South Africa , Environmental education -- Study and teaching -- South Africa , Fundisa for Change
- Language: English
- Type: text , Thesis , Masters , MEd
- Identifier: http://hdl.handle.net/10962/62850 , vital:28301
- Description: This study set out to explore and describe in the form of a qualitative case study, an iteration of a Fundisa for Change teacher professional development programme, in this case the Teaching Life & Living short course presented to seventeen teachers as part of their Advanced Certificate in Teaching (ACT) Senior Phase Natural Sciences, at the University of Cape Town. The focus of the research was on describing how the development of teacher environmental pedagogical content knowledge (PCK) was supported and constructed in the course. The Consensus Model of Teacher Professional Knowledge and Skill, an outcome of the 2012 PCK Summit, was used to define the concept of PCK and also contributed the concept of amplifiers and filters as processes that mediate the development of teacher PCK. The study drew on Borko’s (2004) model of a professional development system, using the elements of course, teachers, facilitators and context as an analytical framework. Data generated included a teacher contextual profile questionnaire, audio-recordings of group work, course outputs and reflection and evaluation forms. Data analysis had two phases: the first phase concentrated on the development of analytic memos based on particular data sources whereas the second phase worked across data sources to present the evidence relating to each of the professional development system elements. The study found that teachers were supported in the development of their environmental PCK by the collaborative learning opportunities afforded by the course. Emergent PCK was organised according to five components: assessment knowledge; pedagogical knowledge; content knowledge; knowledge of learners; and, curricular knowledge. Emergent teacher learning ranged in specificity from general, to subject-specific, to domain-specific, and lastly to topic-specific knowledge. Teacher beliefs and orientations, prior knowledge and contexts brought into the professional development system were described as amplifiers and filters to teacher learning of PCK. In particular there were several contextual factors that emerged as themes from the data that had potentially filtering effects. Recommendations included that facilitators create an atmosphere conducive to collaborative learning, that evidence of learner conceptual understanding be examined during the course, that teachers be exposed to in-depth examples of canonical PCK and that more modelling of formative assessment strategies are presented.
- Full Text:
- Date Issued: 2018
A case study of the role of leadership behaviour in the formation of organizational culture
- Authors: Moore, Aminah
- Date: 2018
- Subjects: Leadership -- Botswana -- Maun , Corporate culture -- Botswana -- Maun , Strategic planning -- Botswana -- Maun , Critical incident technique , Organizational behavior -- Botswana -- Maun , Tourism -- Management , Belmond Safaris (Botswana)
- Language: English
- Type: text , Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10962/62061 , vital:28103
- Description: This case study research on the effect of leadership on organizational culture, is based on a small luxury tourism organization – Belmond Safaris – based in Maun, Botswana. The study set out to determine critical incidents that occurred during the tenure of the current general manager with the intention of uncovering her leadership behaviour and how it has shaped the culture of the organization. The literature review identified quantitative and qualitative approaches to researching organizational culture, but settles on Schein’s theory of organizational culture (Schein, 1992; 2010) as the approach adopted in this study. Furthermore, it reviews the various roles of strategic leaders and how these affect the culture of the organization. The study follows a qualitative methodology and applies the Critical Incident Technique to explore how, as a leader, the behaviour of the general manager shaped the organization’s culture. Data triangulation is achieved through the use of multiple sources – interviews, analysis of company documents and the examination of minutes of management meetings. Following the fieldwork, the evidence within the findings of the study required a theoretical reorientation and a shift from strategic leadership to a new focus on relational leadership, highlighting the prominence of social exchanges between the general manager and employees, as opposed to economic exchanges. The study concludes by acknowledging the limitations and delimitations of the study, which include time constraints as well as the deliberate exclusion of certain participants (e.g. camp managers) from the study. In its conclusion the study also presents recommendations for future studies. The researcher recommends a broader study within the tourism industry, as well as a larger and more inclusive sample size, in order to obtain better insights into the study of culture and leadership within organizations.
- Full Text:
- Date Issued: 2018
- Authors: Moore, Aminah
- Date: 2018
- Subjects: Leadership -- Botswana -- Maun , Corporate culture -- Botswana -- Maun , Strategic planning -- Botswana -- Maun , Critical incident technique , Organizational behavior -- Botswana -- Maun , Tourism -- Management , Belmond Safaris (Botswana)
- Language: English
- Type: text , Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10962/62061 , vital:28103
- Description: This case study research on the effect of leadership on organizational culture, is based on a small luxury tourism organization – Belmond Safaris – based in Maun, Botswana. The study set out to determine critical incidents that occurred during the tenure of the current general manager with the intention of uncovering her leadership behaviour and how it has shaped the culture of the organization. The literature review identified quantitative and qualitative approaches to researching organizational culture, but settles on Schein’s theory of organizational culture (Schein, 1992; 2010) as the approach adopted in this study. Furthermore, it reviews the various roles of strategic leaders and how these affect the culture of the organization. The study follows a qualitative methodology and applies the Critical Incident Technique to explore how, as a leader, the behaviour of the general manager shaped the organization’s culture. Data triangulation is achieved through the use of multiple sources – interviews, analysis of company documents and the examination of minutes of management meetings. Following the fieldwork, the evidence within the findings of the study required a theoretical reorientation and a shift from strategic leadership to a new focus on relational leadership, highlighting the prominence of social exchanges between the general manager and employees, as opposed to economic exchanges. The study concludes by acknowledging the limitations and delimitations of the study, which include time constraints as well as the deliberate exclusion of certain participants (e.g. camp managers) from the study. In its conclusion the study also presents recommendations for future studies. The researcher recommends a broader study within the tourism industry, as well as a larger and more inclusive sample size, in order to obtain better insights into the study of culture and leadership within organizations.
- Full Text:
- Date Issued: 2018
A case study to explore developing a community of practice to support emergent literacy in preschool children's play
- Authors: Martin, Tamarynd
- Date: 2018
- Subjects: Early childhood education , Children -- Language , Reading (Preschool) , Toddlers -- Books and reading
- Language: English
- Type: Thesis , Masters , MEd
- Identifier: http://hdl.handle.net/10948/31841 , vital:31850
- Description: In South Africa at present, Literacy is a cause for rising concern, with reading and writing competency in primary school being at an all-time low. It is a widespread belief that part of the problem lies with the lack early childhood education. Only 37% of children under the age of five attend an early childhood development centre. Furthermore, South Africa has a shortage of educators, specifically within the domain of early childhood development. With more research being done in the area of literacy, more educators concur that emergent literacy forms the foundation of formal reading and writing later on. This study is a participatory case study, which reflects on the importance of literacy in the early years, showing the belief that pre-formal schooling, specifically emergent literacy, is directly linked to proficiency in reading and writing in formal schooling. This study also highlights how educators in early childhood development can be involved in ongoing reflective interventions through in-service training and communities of practice. This community of practice was developed as a series of focus groups, which met on a weekly basis to discuss and share thoughts, opinions and experiences surrounding emergent literacy in a preschool context. From multiple focus groups, I found that the participants became more confident in sharing their experiences and building upon each other’s ideas and thoughts. The focus groups, not only added to their understanding of emergent literacy, but enthused them and created more of an awareness in their day to day practices.
- Full Text:
- Date Issued: 2018
- Authors: Martin, Tamarynd
- Date: 2018
- Subjects: Early childhood education , Children -- Language , Reading (Preschool) , Toddlers -- Books and reading
- Language: English
- Type: Thesis , Masters , MEd
- Identifier: http://hdl.handle.net/10948/31841 , vital:31850
- Description: In South Africa at present, Literacy is a cause for rising concern, with reading and writing competency in primary school being at an all-time low. It is a widespread belief that part of the problem lies with the lack early childhood education. Only 37% of children under the age of five attend an early childhood development centre. Furthermore, South Africa has a shortage of educators, specifically within the domain of early childhood development. With more research being done in the area of literacy, more educators concur that emergent literacy forms the foundation of formal reading and writing later on. This study is a participatory case study, which reflects on the importance of literacy in the early years, showing the belief that pre-formal schooling, specifically emergent literacy, is directly linked to proficiency in reading and writing in formal schooling. This study also highlights how educators in early childhood development can be involved in ongoing reflective interventions through in-service training and communities of practice. This community of practice was developed as a series of focus groups, which met on a weekly basis to discuss and share thoughts, opinions and experiences surrounding emergent literacy in a preschool context. From multiple focus groups, I found that the participants became more confident in sharing their experiences and building upon each other’s ideas and thoughts. The focus groups, not only added to their understanding of emergent literacy, but enthused them and created more of an awareness in their day to day practices.
- Full Text:
- Date Issued: 2018
A common currency for countries within the economic community of West African states
- Authors: Djessou, Oze Marie Pascale
- Date: 2018
- Subjects: Economic Community of West African States , Africa, West -- Economic integration , Africa -- Economic conditions
- Language: English
- Type: Thesis , Masters , MPhil
- Identifier: http://hdl.handle.net/10948/22027 , vital:29814
- Description: While the West African sub-region has progressed in its efforts to achieve sustainable development, more intensive efforts are needed to address its developmental constraints. Among these constraints, the fragmentation of the sub-continent into small and landlocked countries remain one of the structural challenges to be faced. For this reason, strengthening regional co-operation and economic integration is a significant part in the improvement of the region’s economic performance. Monetary integration, which involves the use of a common currency within the area, is part of the process of economic integration. This study reflects upon the difficulties experienced by countries within the Economic Community of West African States (ECOWAS) without a common currency to facilitate economic growth and development. The study adopted a descriptive methodology and embarked on a thorough analysis of recent and relevant secondary sources. This was done in order to determine the expected effects of a common currency in the community, as well as to evaluate the viability of a single currency in the area. The findings indicate that there are potential gains expected from the establishment of a common currency in the relevant community of countries. These gains are contingent upon the meeting of a number of preconditions. These conditions include, inter alia, the need for a multidimensional approach to regionalism, the sustainability of the fiscal policy framework in the region and a greater convergence of the ECOWAS economies.
- Full Text:
- Date Issued: 2018
- Authors: Djessou, Oze Marie Pascale
- Date: 2018
- Subjects: Economic Community of West African States , Africa, West -- Economic integration , Africa -- Economic conditions
- Language: English
- Type: Thesis , Masters , MPhil
- Identifier: http://hdl.handle.net/10948/22027 , vital:29814
- Description: While the West African sub-region has progressed in its efforts to achieve sustainable development, more intensive efforts are needed to address its developmental constraints. Among these constraints, the fragmentation of the sub-continent into small and landlocked countries remain one of the structural challenges to be faced. For this reason, strengthening regional co-operation and economic integration is a significant part in the improvement of the region’s economic performance. Monetary integration, which involves the use of a common currency within the area, is part of the process of economic integration. This study reflects upon the difficulties experienced by countries within the Economic Community of West African States (ECOWAS) without a common currency to facilitate economic growth and development. The study adopted a descriptive methodology and embarked on a thorough analysis of recent and relevant secondary sources. This was done in order to determine the expected effects of a common currency in the community, as well as to evaluate the viability of a single currency in the area. The findings indicate that there are potential gains expected from the establishment of a common currency in the relevant community of countries. These gains are contingent upon the meeting of a number of preconditions. These conditions include, inter alia, the need for a multidimensional approach to regionalism, the sustainability of the fiscal policy framework in the region and a greater convergence of the ECOWAS economies.
- Full Text:
- Date Issued: 2018
A common law view of "carrying on a trade"
- Authors: Mkonza, Qhinga Aidan
- Date: 2018
- Subjects: Business , Common law -- South Africa , Income tax -- South Africa , Agriculture -- Taxation -- South Africa , Property tax -- South Africa , Moneylenders -- Taxation -- South Africa
- Language: English
- Type: text , Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10962/60888 , vital:27883
- Description: The term “trade” is defined in very wide terms in the Income Tax Act and includes a “business” and a “venture”. For a taxpayer to claim certain deductions in arriving at taxable income, the taxpayer must be carrying on a trade. The expression “carrying on a trade” is not defined in the Income Tax Act. Whether or not a taxpayer is carrying on a trade is a matter of fact. Case law has established certain principles and tests to be applied in determining whether a taxpayer is carrying on a trade. The goal of the thesis was to determine to what extent an activity can be considered as carrying on a trade. This research focused on the letting of property, money-lending, or farming operations in relation to carrying on a trade or business or engaging in a venture. The thesis also discussed at what stage a taxpayer ceases to carry on a trade and what the tax consequences are of ceasing to trade. An interpretative research approach was used in the research as it sought to understand and describe. No interviews conducted for this research and the data used for the research are publicly available. It was established that “carrying on a trade”, including a business, requires an active step taken by the taxpayer to trade. It involves regularity of buying and selling or rendering of services. The intention to trade is important but it is a subjective matter and cannot be persuasive in determining whether a taxpayer is carrying on a trade; objective factors are also considered. If the stated intention to trade matches the actions of the taxpayer, the taxpayer will be considered to be carrying on a trade. In determining whether a taxpayer is carrying on a trade each case must be considered with its own merits.
- Full Text:
- Date Issued: 2018
- Authors: Mkonza, Qhinga Aidan
- Date: 2018
- Subjects: Business , Common law -- South Africa , Income tax -- South Africa , Agriculture -- Taxation -- South Africa , Property tax -- South Africa , Moneylenders -- Taxation -- South Africa
- Language: English
- Type: text , Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10962/60888 , vital:27883
- Description: The term “trade” is defined in very wide terms in the Income Tax Act and includes a “business” and a “venture”. For a taxpayer to claim certain deductions in arriving at taxable income, the taxpayer must be carrying on a trade. The expression “carrying on a trade” is not defined in the Income Tax Act. Whether or not a taxpayer is carrying on a trade is a matter of fact. Case law has established certain principles and tests to be applied in determining whether a taxpayer is carrying on a trade. The goal of the thesis was to determine to what extent an activity can be considered as carrying on a trade. This research focused on the letting of property, money-lending, or farming operations in relation to carrying on a trade or business or engaging in a venture. The thesis also discussed at what stage a taxpayer ceases to carry on a trade and what the tax consequences are of ceasing to trade. An interpretative research approach was used in the research as it sought to understand and describe. No interviews conducted for this research and the data used for the research are publicly available. It was established that “carrying on a trade”, including a business, requires an active step taken by the taxpayer to trade. It involves regularity of buying and selling or rendering of services. The intention to trade is important but it is a subjective matter and cannot be persuasive in determining whether a taxpayer is carrying on a trade; objective factors are also considered. If the stated intention to trade matches the actions of the taxpayer, the taxpayer will be considered to be carrying on a trade. In determining whether a taxpayer is carrying on a trade each case must be considered with its own merits.
- Full Text:
- Date Issued: 2018
A community–wide trophic structure analysis in intertidal ecosystems on the south coast of South Africa
- Authors: Gusha, Molline Natanah C
- Date: 2018
- Subjects: Food chains (Ecology) , Coastal ecology -- South Africa , Intertidal ecology -- South Africa , Marine animals -- Climatic factors -- South Africa , Marine animals -- Food -- South Africa , Marine animals -- Habitat -- South Africa
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/63312 , vital:28392
- Description: Coastal ecosystems are more than microhabitats for marine species. Acting as atmospheric carbon filters, species in coastal environments are directly and/or indirectly associated with transferring organic carbon to species at higher trophic levels. However, the progressing change in global climatic conditions has created the need to assess the consequences of the shifting conditions on both direct and indirect interactions of physical and biological parameters at species and/or community levels. From these perturbations, the effects of biotic homogenization on ecosystem functioning and resilience can also be realised. Herein, I discuss the effects of temperature, nutrients, biotic interactions and habitat characteristics on community dynamics within intertidal rock pool systems on the south coast of South Africa using complementary qualitative and quantitative analytical methods. Seasonality had a significant impact on rock pool species with changes in composition and higher richness in winter than summer. The first two axes of the Canonical Correspondence Analysis (CCA) of the plant and animal communities each explained ~20% of the relationship between physico-chemical parameters and biological variables. The CCA highlighted that seasonal shifts in chlorophyll-a, conductivity, salinity, water depth, surface area and substratum type indirectly influenced species composition. For example, pools with heterogenous substratum comprising a mixture of sand and rock exhibited higher species diversity than homogenously bedded pools. Furthermore, a Bayesian analysis of community structure based on stable isotope ratios was used to assess how trophic pathways of carbon and nitrogen elements reflected community composition and richness. Isotopic biplots showed an increase in food web size, food chain length and the trophic positions of fish and some gastropods in winter compared to summer. There was greater dietary overlap among species in larger pools. In addition, while isotopic nearest neighbour distance and species evenness also showed a positive increase with pool size in summer, the same metrics were almost constant across all pool sizes in winter. These changes in food web packing and species evenness suggest seasonal preferences or migration of species in summer from small pools to larger pools with stable physico-chemical parameters. Furthermore, the presence of fish was seen to promote trophic diversity within some pools. The results from laboratory microcosm grazing experiments demonstrated significant direct and indirect effects of temperature and nutrients within plankton communities. Copepod grazing had an indirect positive influence on phytoplankton biomass and size structure while the interactive effects of temperature and nutrients had contrasting effects on both phytoplankton communities and copepod biomass. Shifts in water chemistry and nutrient treatments were also observed in the presence of copepods. Phosphate addition had a recognisable impact on plankton communities. The presented synthesis of the literature mainly highlighted that positive effects at one trophic level do not always positively cascade into the next trophic level which is evidence of complex interactive biotic, habitat and water chemistry effects within these intertidal ecosystems. Thus, to further understand cascading effects or community structure functioning in general, there may be a need to incorporate and understand species functional traits and how they contribute to trophic diversity, community restructuring and functioning in coastal habitats.
- Full Text:
- Date Issued: 2018
- Authors: Gusha, Molline Natanah C
- Date: 2018
- Subjects: Food chains (Ecology) , Coastal ecology -- South Africa , Intertidal ecology -- South Africa , Marine animals -- Climatic factors -- South Africa , Marine animals -- Food -- South Africa , Marine animals -- Habitat -- South Africa
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/63312 , vital:28392
- Description: Coastal ecosystems are more than microhabitats for marine species. Acting as atmospheric carbon filters, species in coastal environments are directly and/or indirectly associated with transferring organic carbon to species at higher trophic levels. However, the progressing change in global climatic conditions has created the need to assess the consequences of the shifting conditions on both direct and indirect interactions of physical and biological parameters at species and/or community levels. From these perturbations, the effects of biotic homogenization on ecosystem functioning and resilience can also be realised. Herein, I discuss the effects of temperature, nutrients, biotic interactions and habitat characteristics on community dynamics within intertidal rock pool systems on the south coast of South Africa using complementary qualitative and quantitative analytical methods. Seasonality had a significant impact on rock pool species with changes in composition and higher richness in winter than summer. The first two axes of the Canonical Correspondence Analysis (CCA) of the plant and animal communities each explained ~20% of the relationship between physico-chemical parameters and biological variables. The CCA highlighted that seasonal shifts in chlorophyll-a, conductivity, salinity, water depth, surface area and substratum type indirectly influenced species composition. For example, pools with heterogenous substratum comprising a mixture of sand and rock exhibited higher species diversity than homogenously bedded pools. Furthermore, a Bayesian analysis of community structure based on stable isotope ratios was used to assess how trophic pathways of carbon and nitrogen elements reflected community composition and richness. Isotopic biplots showed an increase in food web size, food chain length and the trophic positions of fish and some gastropods in winter compared to summer. There was greater dietary overlap among species in larger pools. In addition, while isotopic nearest neighbour distance and species evenness also showed a positive increase with pool size in summer, the same metrics were almost constant across all pool sizes in winter. These changes in food web packing and species evenness suggest seasonal preferences or migration of species in summer from small pools to larger pools with stable physico-chemical parameters. Furthermore, the presence of fish was seen to promote trophic diversity within some pools. The results from laboratory microcosm grazing experiments demonstrated significant direct and indirect effects of temperature and nutrients within plankton communities. Copepod grazing had an indirect positive influence on phytoplankton biomass and size structure while the interactive effects of temperature and nutrients had contrasting effects on both phytoplankton communities and copepod biomass. Shifts in water chemistry and nutrient treatments were also observed in the presence of copepods. Phosphate addition had a recognisable impact on plankton communities. The presented synthesis of the literature mainly highlighted that positive effects at one trophic level do not always positively cascade into the next trophic level which is evidence of complex interactive biotic, habitat and water chemistry effects within these intertidal ecosystems. Thus, to further understand cascading effects or community structure functioning in general, there may be a need to incorporate and understand species functional traits and how they contribute to trophic diversity, community restructuring and functioning in coastal habitats.
- Full Text:
- Date Issued: 2018
A comparative analysis of the determinants of South Africa bilateral trade flows with the European Union-Southern African development community economic partnership agreement and trade development and cooperation agreement
- Authors: Mhaka, Simbarashe
- Date: 2018
- Subjects: South Africa -- Economic integration , Africa, Southern -- Economic integration , Southern African Customs Union
- Language: English
- Type: Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10948/31875 , vital:31857
- Description: This research dissertation presents the impact of economic size, market size and exchange rate on South Africa’s trade flows with the European Union under the Trade Development and Cooperation Agreement (TDCA). The Big Five EU members are used to represent the EU trading bloc. The research also examines the effects of economic size, market size and ex-change rate on South African trade flows with members of the Southern African Customs Union and of the European Union in what is called the European Union-Southern African Development Community Economic Partnership Agreement (EU-SADC EPA). The research employs comparative analysis aimed at identifying the differences in the effects of market size, economic size and exchange rate on South Africa’s trade flows with these two trading blocs. The study exploits panel data on international trade of South Africa over the period 2000-’16. A gravity model of trade is used to identify the effect of these three variables on South Africa’s trade flows. The empirical analysis relies on a panel data econometrics framework as an estimation technique for the gravity model of trade between South Africa and the Big Five EU members. This shows the outcomes of the effects of economic size, market size and exchange rate on the trade flows of South Africa in the TDCA. The same technique is applied to estimate the effects of economic size, market size and exchange rate to trade flows of South Africa with the Big Five EU members as well as the other SACU members representing the SADC-EU EPA. In the panel data approach, three models are adopted. These are pooled OLS, fixed effects and random effects that can be estimated. The Hausman tests shows that the random effect is appropriate in the TDCA gravity function and the results indicate a positive relationship be-tween South Africa’s economic/market size and South Africa’s trade flows in the TDCA. In the EU-SADC EPA, the Hausman tests indicated that the fixed effect models are appropriate and the results show a positive relationship between economic size and market size with South Africa’s trade flows in the EU-SADC EPA. However, in the TDCA, the random effect model shows that exchange rate and the trading partner’s market size have a negative outcome on South Africa trade flows. The fixed effect model shows a negative relationship between the exchange rate and South Africa’s trade flows in the EU-SADC EPA. The results also show that it is better for South Africa to trade in the EU-SADC EPA than to remain in the TDCA. This is because the outcomes of economic and market size on South Africa’s trade flows are greater in the EU-SADC EPA than in the TDCA. On the other hand the negative effect of the exchange rate on South Africa’s trade flows is less in the EU-SADC EPA than in the TDCA. The research recommends that policy-makers select trading partners based on the sizes of their markets and economies.
- Full Text:
- Date Issued: 2018
- Authors: Mhaka, Simbarashe
- Date: 2018
- Subjects: South Africa -- Economic integration , Africa, Southern -- Economic integration , Southern African Customs Union
- Language: English
- Type: Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10948/31875 , vital:31857
- Description: This research dissertation presents the impact of economic size, market size and exchange rate on South Africa’s trade flows with the European Union under the Trade Development and Cooperation Agreement (TDCA). The Big Five EU members are used to represent the EU trading bloc. The research also examines the effects of economic size, market size and ex-change rate on South African trade flows with members of the Southern African Customs Union and of the European Union in what is called the European Union-Southern African Development Community Economic Partnership Agreement (EU-SADC EPA). The research employs comparative analysis aimed at identifying the differences in the effects of market size, economic size and exchange rate on South Africa’s trade flows with these two trading blocs. The study exploits panel data on international trade of South Africa over the period 2000-’16. A gravity model of trade is used to identify the effect of these three variables on South Africa’s trade flows. The empirical analysis relies on a panel data econometrics framework as an estimation technique for the gravity model of trade between South Africa and the Big Five EU members. This shows the outcomes of the effects of economic size, market size and exchange rate on the trade flows of South Africa in the TDCA. The same technique is applied to estimate the effects of economic size, market size and exchange rate to trade flows of South Africa with the Big Five EU members as well as the other SACU members representing the SADC-EU EPA. In the panel data approach, three models are adopted. These are pooled OLS, fixed effects and random effects that can be estimated. The Hausman tests shows that the random effect is appropriate in the TDCA gravity function and the results indicate a positive relationship be-tween South Africa’s economic/market size and South Africa’s trade flows in the TDCA. In the EU-SADC EPA, the Hausman tests indicated that the fixed effect models are appropriate and the results show a positive relationship between economic size and market size with South Africa’s trade flows in the EU-SADC EPA. However, in the TDCA, the random effect model shows that exchange rate and the trading partner’s market size have a negative outcome on South Africa trade flows. The fixed effect model shows a negative relationship between the exchange rate and South Africa’s trade flows in the EU-SADC EPA. The results also show that it is better for South Africa to trade in the EU-SADC EPA than to remain in the TDCA. This is because the outcomes of economic and market size on South Africa’s trade flows are greater in the EU-SADC EPA than in the TDCA. On the other hand the negative effect of the exchange rate on South Africa’s trade flows is less in the EU-SADC EPA than in the TDCA. The research recommends that policy-makers select trading partners based on the sizes of their markets and economies.
- Full Text:
- Date Issued: 2018
A comparative study of South Africa's vat rate
- Authors: Pieterse, Marli
- Date: 2018
- Subjects: Value-added tax -- South Africa , Value-added tax -- Law and legislation -- South Africa Taxation -- South Africa
- Language: English
- Type: Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10948/23049 , vital:30401
- Description: This treatise compared South Africa's VAT rate to the VAT rate trends of other developing counties (such as Brazil and India), as well as international VAT rate developments. Brazil introduced VAT in 1965 and currently has a multi-dimensional VAT rate system consists of five types of VAT, each type of taxing consumers a t different rate depending on the type of product, the municipality or the consumer's turnover. Brazil's average VAT rate is currently 19%. India moved from an origin-based VAT rate system to a GST rate system in 2017. Their GST system levies VAT on a federal level. as well as a state level and on all interstate transactions. India's GST rates varies depending on the luxurious nature of the supply and their average GST rate is currently 15%. South Africa VAT in 1991 and it comprises of a single-rate VAT system where goods and services of vendors are taxed at 14%, unless the specific goods or services fall under the list of exepted or zero-rated items. South Africa's VAT rate remained unchanged since 1993. Per the research it was noted that despite facing similar political, economical and social dilemmas, developing countries such as India and Brazil changed their VAT rates numerous time since its inception, where South Africa only increased their VAT rate once. Brazil and India furthermore have higher average VAT rates than South Africa, despite correlation with the respective poverty levels indicating otherwise.
- Full Text: false
- Date Issued: 2018
- Authors: Pieterse, Marli
- Date: 2018
- Subjects: Value-added tax -- South Africa , Value-added tax -- Law and legislation -- South Africa Taxation -- South Africa
- Language: English
- Type: Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10948/23049 , vital:30401
- Description: This treatise compared South Africa's VAT rate to the VAT rate trends of other developing counties (such as Brazil and India), as well as international VAT rate developments. Brazil introduced VAT in 1965 and currently has a multi-dimensional VAT rate system consists of five types of VAT, each type of taxing consumers a t different rate depending on the type of product, the municipality or the consumer's turnover. Brazil's average VAT rate is currently 19%. India moved from an origin-based VAT rate system to a GST rate system in 2017. Their GST system levies VAT on a federal level. as well as a state level and on all interstate transactions. India's GST rates varies depending on the luxurious nature of the supply and their average GST rate is currently 15%. South Africa VAT in 1991 and it comprises of a single-rate VAT system where goods and services of vendors are taxed at 14%, unless the specific goods or services fall under the list of exepted or zero-rated items. South Africa's VAT rate remained unchanged since 1993. Per the research it was noted that despite facing similar political, economical and social dilemmas, developing countries such as India and Brazil changed their VAT rates numerous time since its inception, where South Africa only increased their VAT rate once. Brazil and India furthermore have higher average VAT rates than South Africa, despite correlation with the respective poverty levels indicating otherwise.
- Full Text: false
- Date Issued: 2018
A comparative study of tax incentives for small businesses and investors in small businesses in South Africa, Australia, New Zealand, Singapore and Ireland
- Authors: Horn, Edward Bennet
- Date: 2018
- Subjects: Small business -- Taxation -- South Africa , Small business -- South Africa -- Finance , Job creation -- South Africa , Government aid to small business -- South Africa , Tax incentives -- South Africa , Tax incentives -- Australia , Tax incentives -- New Zealand , Tax incentives -- Singapore , Tax incentives -- Ireland
- Language: English
- Type: text , Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10962/61669 , vital:28047
- Description: In the South African context, it is accepted that small businesses will be the vehicle for job creation and changing the current business ownership patterns. This is to be achieved by creating access to finance, exploring the role of venture capital and simplifying the tax obligations and the compliance burden. The literature indicates that the current South African tax incentives for small businesses are perceived as unfair and fundamentally ineffective. The objective of this thesis was to compare the tax incentives available to small businesses and investors in small businesses in South Africa to those available in Australia, New Zealand, Singapore and Ireland, in order to identify possible measures that could be introduced in South Africa. In addressing the objective, the research set out to provide, in terms of South African tax legislation, a definition of a small business for tax purposes and document the tax incentives available for start-up and existing small businesses, as well as the tax incentives available for investors in small businesses, either through a venture capital company or a direct investment in small business. It was found that South Africa has a complex and onerous multi-layered approach to classifying a taxpayer as either a “micro business” or a “small business corporation” for the purpose of applying tax incentives. The international jurisdictions included in this research follow a single requirement approach, based on either one or a combination of turnover, balance sheet total or staff headcount. The international jurisdictions provide a wide range of tax incentives to small businesses and investors in small businesses, aimed at reducing taxable income to enable the small businesses to grow and access equity finance. By identifying differences and similarities, a number of possible tax relief measures were recommended that could be introduced in South Africa.
- Full Text:
- Date Issued: 2018
- Authors: Horn, Edward Bennet
- Date: 2018
- Subjects: Small business -- Taxation -- South Africa , Small business -- South Africa -- Finance , Job creation -- South Africa , Government aid to small business -- South Africa , Tax incentives -- South Africa , Tax incentives -- Australia , Tax incentives -- New Zealand , Tax incentives -- Singapore , Tax incentives -- Ireland
- Language: English
- Type: text , Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10962/61669 , vital:28047
- Description: In the South African context, it is accepted that small businesses will be the vehicle for job creation and changing the current business ownership patterns. This is to be achieved by creating access to finance, exploring the role of venture capital and simplifying the tax obligations and the compliance burden. The literature indicates that the current South African tax incentives for small businesses are perceived as unfair and fundamentally ineffective. The objective of this thesis was to compare the tax incentives available to small businesses and investors in small businesses in South Africa to those available in Australia, New Zealand, Singapore and Ireland, in order to identify possible measures that could be introduced in South Africa. In addressing the objective, the research set out to provide, in terms of South African tax legislation, a definition of a small business for tax purposes and document the tax incentives available for start-up and existing small businesses, as well as the tax incentives available for investors in small businesses, either through a venture capital company or a direct investment in small business. It was found that South Africa has a complex and onerous multi-layered approach to classifying a taxpayer as either a “micro business” or a “small business corporation” for the purpose of applying tax incentives. The international jurisdictions included in this research follow a single requirement approach, based on either one or a combination of turnover, balance sheet total or staff headcount. The international jurisdictions provide a wide range of tax incentives to small businesses and investors in small businesses, aimed at reducing taxable income to enable the small businesses to grow and access equity finance. By identifying differences and similarities, a number of possible tax relief measures were recommended that could be introduced in South Africa.
- Full Text:
- Date Issued: 2018
A comparison of conventional and ultrasonic seams in swimwear
- Authors: Tyalana, Nommiselo
- Date: 2018
- Subjects: Textile finishing , Textile finishing agents Seams (Sewing) Textile fabrics Textile fibers Textile design
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10948/36727 , vital:34048
- Description: Ultrasonic welding technology is a relatively new technology in apparel construction, this research forms part of a study to assess its effectiveness as a joining technology that can be used in ladies swimwear. The ultimate aim was to determine whether the ultrasonic welding joining technique could be successfully used in assembling ladies swimwear garments, comprising only synthetic fibres, namely polyester/Lycra, polyamide/Lycra, polyamide/Lycra power-net and polyamide/Lycra mesh warp knitted fabrics. These specific swimwear fabrics were selected since they comprise 100% thermoplastic synthetic fibres, considered ideal for ultrasonic welding. This study essentially compares and contrasts the performance of two seam joining techniques: namely conventional sewing and ultrasonic welding, in terms of seam strength, when used in the above mentioned four fabrics. Conventionally sewn and ultrasonically welded seams were produced, straight and curved, in both the wale and course directions of the fabrics. The conventionally sewn seams were produced using two sewing machines; namely an overlocker, also known as a mock safety sewing machine, and a cover seam machines. All conventionally sewn seams were stitched and tested under similar conditions. The ultrasonic welded seams were produced using three different wheels, a Medium Male Knurled pattern wheel, a Staggered Triple Stitch pattern wheel and a Single Stitch pattern wheel. The amplitude and speed of the welding machine, during the ultrasonic seaming, were kept constant, except when welding the polyamide/Lycra power-net and the polyamide/Lycra mesh fabrics when the pressure had to be drastically reduced in order to avoid excessively softened seams. The results of the study are presented in the form of line charts, scatter charts and tables. The ultrasonic welded seams, joined with the Medium Male Knurled wheel, exhibited surface waviness, as opposed to those joined with the Staggered Triple Stitch wheel which were smooth. It was found that, in terms of seam strength, the ultrasonic seams produced with the Single Stitch and Medium Male Knurled pattern wheels out performed those produced with the Staggered Triple Stitch wheels. The polyester/Lycra fabric was found easier to handle during the ultrasonic seaming process than the polyamide/Lycra fabric, although the strength of the ultrasonic seams in the polyester/Lycra fabric did not differ consistently from those of the polyamide/Lycra fabric. It was found that the conventional sewn seams were consistently stronger, and had a better appearance, than the ultrasonic welded seams. Although some promising results were obtained, in terms of the strength of the ultrasonic welded seams, the results overall were far too variable, inconsistent and unsatisfactory for this technique of seaming to be recommended at this stage for any of the swimwear fabrics covered. Further, more in depth, studies are required in order to gain a better understating of the effect of the various ultrasonic seaming parameters, as well as fabric parameters on ultrasonic seam strength and consistency.
- Full Text:
- Date Issued: 2018
- Authors: Tyalana, Nommiselo
- Date: 2018
- Subjects: Textile finishing , Textile finishing agents Seams (Sewing) Textile fabrics Textile fibers Textile design
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10948/36727 , vital:34048
- Description: Ultrasonic welding technology is a relatively new technology in apparel construction, this research forms part of a study to assess its effectiveness as a joining technology that can be used in ladies swimwear. The ultimate aim was to determine whether the ultrasonic welding joining technique could be successfully used in assembling ladies swimwear garments, comprising only synthetic fibres, namely polyester/Lycra, polyamide/Lycra, polyamide/Lycra power-net and polyamide/Lycra mesh warp knitted fabrics. These specific swimwear fabrics were selected since they comprise 100% thermoplastic synthetic fibres, considered ideal for ultrasonic welding. This study essentially compares and contrasts the performance of two seam joining techniques: namely conventional sewing and ultrasonic welding, in terms of seam strength, when used in the above mentioned four fabrics. Conventionally sewn and ultrasonically welded seams were produced, straight and curved, in both the wale and course directions of the fabrics. The conventionally sewn seams were produced using two sewing machines; namely an overlocker, also known as a mock safety sewing machine, and a cover seam machines. All conventionally sewn seams were stitched and tested under similar conditions. The ultrasonic welded seams were produced using three different wheels, a Medium Male Knurled pattern wheel, a Staggered Triple Stitch pattern wheel and a Single Stitch pattern wheel. The amplitude and speed of the welding machine, during the ultrasonic seaming, were kept constant, except when welding the polyamide/Lycra power-net and the polyamide/Lycra mesh fabrics when the pressure had to be drastically reduced in order to avoid excessively softened seams. The results of the study are presented in the form of line charts, scatter charts and tables. The ultrasonic welded seams, joined with the Medium Male Knurled wheel, exhibited surface waviness, as opposed to those joined with the Staggered Triple Stitch wheel which were smooth. It was found that, in terms of seam strength, the ultrasonic seams produced with the Single Stitch and Medium Male Knurled pattern wheels out performed those produced with the Staggered Triple Stitch wheels. The polyester/Lycra fabric was found easier to handle during the ultrasonic seaming process than the polyamide/Lycra fabric, although the strength of the ultrasonic seams in the polyester/Lycra fabric did not differ consistently from those of the polyamide/Lycra fabric. It was found that the conventional sewn seams were consistently stronger, and had a better appearance, than the ultrasonic welded seams. Although some promising results were obtained, in terms of the strength of the ultrasonic welded seams, the results overall were far too variable, inconsistent and unsatisfactory for this technique of seaming to be recommended at this stage for any of the swimwear fabrics covered. Further, more in depth, studies are required in order to gain a better understating of the effect of the various ultrasonic seaming parameters, as well as fabric parameters on ultrasonic seam strength and consistency.
- Full Text:
- Date Issued: 2018
A comparison of exact string search algorithms for deep packet inspection
- Authors: Hunt, Kieran
- Date: 2018
- Subjects: Algorithms , Firewalls (Computer security) , Computer networks -- Security measures , Intrusion detection systems (Computer security) , Deep Packet Inspection
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/60629 , vital:27807
- Description: Every day, computer networks throughout the world face a constant onslaught of attacks. To combat these, network administrators are forced to employ a multitude of mitigating measures. Devices such as firewalls and Intrusion Detection Systems are prevalent today and employ extensive Deep Packet Inspection to scrutinise each piece of network traffic. Systems such as these usually require specialised hardware to meet the demand imposed by high throughput networks. Hardware like this is extremely expensive and singular in its function. It is with this in mind that the string search algorithms are introduced. These algorithms have been proven to perform well when searching through large volumes of text and may be able to perform equally well in the context of Deep Packet Inspection. String search algorithms are designed to match a single pattern to a substring of a given piece of text. This is not unlike the heuristics employed by traditional Deep Packet Inspection systems. This research compares the performance of a large number of string search algorithms during packet processing. Deep Packet Inspection places stringent restrictions on the reliability and speed of the algorithms due to increased performance pressures. A test system had to be designed in order to properly test the string search algorithms in the context of Deep Packet Inspection. The system allowed for precise and repeatable tests of each algorithm and then for their comparison. Of the algorithms tested, the Horspool and Quick Search algorithms posted the best results for both speed and reliability. The Not So Naive and Rabin-Karp algorithms were slowest overall.
- Full Text:
- Date Issued: 2018
- Authors: Hunt, Kieran
- Date: 2018
- Subjects: Algorithms , Firewalls (Computer security) , Computer networks -- Security measures , Intrusion detection systems (Computer security) , Deep Packet Inspection
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/60629 , vital:27807
- Description: Every day, computer networks throughout the world face a constant onslaught of attacks. To combat these, network administrators are forced to employ a multitude of mitigating measures. Devices such as firewalls and Intrusion Detection Systems are prevalent today and employ extensive Deep Packet Inspection to scrutinise each piece of network traffic. Systems such as these usually require specialised hardware to meet the demand imposed by high throughput networks. Hardware like this is extremely expensive and singular in its function. It is with this in mind that the string search algorithms are introduced. These algorithms have been proven to perform well when searching through large volumes of text and may be able to perform equally well in the context of Deep Packet Inspection. String search algorithms are designed to match a single pattern to a substring of a given piece of text. This is not unlike the heuristics employed by traditional Deep Packet Inspection systems. This research compares the performance of a large number of string search algorithms during packet processing. Deep Packet Inspection places stringent restrictions on the reliability and speed of the algorithms due to increased performance pressures. A test system had to be designed in order to properly test the string search algorithms in the context of Deep Packet Inspection. The system allowed for precise and repeatable tests of each algorithm and then for their comparison. Of the algorithms tested, the Horspool and Quick Search algorithms posted the best results for both speed and reliability. The Not So Naive and Rabin-Karp algorithms were slowest overall.
- Full Text:
- Date Issued: 2018
A comparison of the legal environmental sustainability requirements of those engaging in the mining cycle, with actual practice in the Carolina X11B quaternary catchment, Mpumalanga, South Africa
- Authors: Thomson, Gareth Peter
- Date: 2018
- Subjects: Mineral industries Environmental aspects South Africa Mpumalanga , Acid mine drainage , Mineral industries Safety measures , Watersheds South Africa , South Africa. National Environmental Management Act, 1998 , Water-supply Law and legislation South Africa
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/63481 , vital:28417
- Description: Mining is one of the most contentious water users. The mining sector has assumed that promises of economic growth and job creation will enable environmental concerns to be bypassed with as little interference as possible. More recently, the reality of legacy issues related to the inappropriate sign-off of mining sites has become increasingly clear, with acid mine drainage (AMD) being a prime example. There are also increasing concerns regarding uncontrolled prospecting. Climate change is one of the major issues faced in the 21st century, with predictions of heightened water stress for the Southern African region. This, coupled with increased population growth is putting a massive strain on the water resources currently available, making it vital to better protect and ensure the longevity of our water resources. The Carolina Crisis of 2012 highlighted the importance of protecting our water resources, and how easily they can be contaminated to a point where water is not usable. The Carolina crisis provided researchers with a suitable study site to better understand the role mining operations have in a catchment that has experienced a major pollution incident, and what changes have occurred since. In order to understand coal mining practice in relation to regulatory provisions, this project critically explored the processes involved within the mining sector, from ‘cradle-to-grave’, which is known as the coal mining life cycle. In addition, the composite suite of requirements of all the legislative provisions involved in the industry were investigated and the relationship between coal mining practice and environmental protection was explored. These elements were researched in the Upper Komati River Catchment specifically for catchment X11B, using Cultural Historical Activity Theory (CHAT), which gives a holistic understanding of mining as a human activity system. CHAT also sheds light on the issues, gaps and overlaps currently being experienced in the coal mining sector. The Thesis refers to case studies of where mining issues have caused environmental degradation. A complete mining lifecycle in terms of regulatory provisions was compiled, and major issues were uncovered with current legislation in the mining sector that can contribute to the degradation of water resources in South Africa. An integrated water resource quality management plan is needed in order to streamline conservation mandates, identify and reduce duplication of effort and specify roles and responsibilities of authorities involved with decision making process. A Decision Support System (DSS) has been proposed, which would involve adaptive, participatory and inclusive management.
- Full Text:
- Date Issued: 2018
- Authors: Thomson, Gareth Peter
- Date: 2018
- Subjects: Mineral industries Environmental aspects South Africa Mpumalanga , Acid mine drainage , Mineral industries Safety measures , Watersheds South Africa , South Africa. National Environmental Management Act, 1998 , Water-supply Law and legislation South Africa
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/63481 , vital:28417
- Description: Mining is one of the most contentious water users. The mining sector has assumed that promises of economic growth and job creation will enable environmental concerns to be bypassed with as little interference as possible. More recently, the reality of legacy issues related to the inappropriate sign-off of mining sites has become increasingly clear, with acid mine drainage (AMD) being a prime example. There are also increasing concerns regarding uncontrolled prospecting. Climate change is one of the major issues faced in the 21st century, with predictions of heightened water stress for the Southern African region. This, coupled with increased population growth is putting a massive strain on the water resources currently available, making it vital to better protect and ensure the longevity of our water resources. The Carolina Crisis of 2012 highlighted the importance of protecting our water resources, and how easily they can be contaminated to a point where water is not usable. The Carolina crisis provided researchers with a suitable study site to better understand the role mining operations have in a catchment that has experienced a major pollution incident, and what changes have occurred since. In order to understand coal mining practice in relation to regulatory provisions, this project critically explored the processes involved within the mining sector, from ‘cradle-to-grave’, which is known as the coal mining life cycle. In addition, the composite suite of requirements of all the legislative provisions involved in the industry were investigated and the relationship between coal mining practice and environmental protection was explored. These elements were researched in the Upper Komati River Catchment specifically for catchment X11B, using Cultural Historical Activity Theory (CHAT), which gives a holistic understanding of mining as a human activity system. CHAT also sheds light on the issues, gaps and overlaps currently being experienced in the coal mining sector. The Thesis refers to case studies of where mining issues have caused environmental degradation. A complete mining lifecycle in terms of regulatory provisions was compiled, and major issues were uncovered with current legislation in the mining sector that can contribute to the degradation of water resources in South Africa. An integrated water resource quality management plan is needed in order to streamline conservation mandates, identify and reduce duplication of effort and specify roles and responsibilities of authorities involved with decision making process. A Decision Support System (DSS) has been proposed, which would involve adaptive, participatory and inclusive management.
- Full Text:
- Date Issued: 2018
A congestion aware ant colony optimisation-based routing and wavelength assignment algorithm for transparent flexi-grid optical burst switched networks
- Authors: Oladipo, Joshua Femi
- Date: 2018
- Subjects: Ants -- Behavior -- Mathematical models , Distributed algorithms
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10948/34733 , vital:33432
- Description: Optical Burst Switching (OBS) over transparent exi-grid optical networks, is considered a potential solution to the increasing pressure on backbone networks due to the increase in internet use and widespread adoption of various high bandwidth applications. Both technologies allow for more e cient usage of a networks resources. However, transmissions over exi-grid networks are more susceptible to optical impairments than transmissions made over xed-grid networks, and OBS suers from high burst loss due to contention. These issues need to be solved in order to reap the full benets of both technologies. An open issue for OBS whose solution would mitigate both issues is the Routing and Wavelength Assignment (RWA) algorithm. Ant Colony Optimisation (ACO) is a method of interest for solving the RWA problem on OBS networks. This study aims to improve on current dynamic ACO-based solutions to the Routing and Wavelength Assignment problem on transparent exi-grid Optical Burst Switched networks.
- Full Text:
- Date Issued: 2018
- Authors: Oladipo, Joshua Femi
- Date: 2018
- Subjects: Ants -- Behavior -- Mathematical models , Distributed algorithms
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10948/34733 , vital:33432
- Description: Optical Burst Switching (OBS) over transparent exi-grid optical networks, is considered a potential solution to the increasing pressure on backbone networks due to the increase in internet use and widespread adoption of various high bandwidth applications. Both technologies allow for more e cient usage of a networks resources. However, transmissions over exi-grid networks are more susceptible to optical impairments than transmissions made over xed-grid networks, and OBS suers from high burst loss due to contention. These issues need to be solved in order to reap the full benets of both technologies. An open issue for OBS whose solution would mitigate both issues is the Routing and Wavelength Assignment (RWA) algorithm. Ant Colony Optimisation (ACO) is a method of interest for solving the RWA problem on OBS networks. This study aims to improve on current dynamic ACO-based solutions to the Routing and Wavelength Assignment problem on transparent exi-grid Optical Burst Switched networks.
- Full Text:
- Date Issued: 2018
A content analysis of web-based reporting of corporate social responsibility in selected transport sector state owned entities
- Authors: Khomari, Jane
- Date: 2018
- Subjects: Social responsibility of business -- South Africa , Business ethics Business communication
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/31262 , vital:31349
- Description: Organisations today are experiencing immense pressure to act responsibly, both socially and ethically. Stakeholders expect organisations to operate with integrity, whilst still being profitable. This pressure is due to Corporate Social Responsibility (CSR) becoming increasingly a mark of good governance. Corporate performance is no longer measured by only financial statements, but CSR is deemed a corporate imperative for financial performance. This non-financial reporting has forced organisations to take cognisance of environmental, social and governance reporting, a process called Integrated Reporting. The purpose of this research was to explore website reporting of State Owned Enterprises (SOEs) in the transport sector. The study explored the phenomenon through six questions: What are the titles used to communicate CSR on SOE websites? What are the CSR activities communicated on SOE websites? What are the similarities and differences of the CSR initiatives communicated on the websites? Who are the stakeholders reached through CSR? What are the reporting practices on the SOE website? What are the similarities and differences of the reporting practices on the SOE websites. This research study was carried out in two stages. The first phase was to examine the corporate websites of the SOEs. The second phase was to use the data collected from the websites to understand CSR representation in SOEs. The purpose is to explore the communication of CSR on the various websites of the SOEs. A key finding of the research is that SOEs use different strategies to communicate CSR on their websites. SOEs communicate CSR activities using multiple titles and use various media on their websites. Additionally, there are variances with the framing of information on the websites. The varying communication strategies indicate the multiple stakeholders targeted by the different CSR focus areas. The research concluded that the different titles made it difficult for stakeholders to access information on the websites. Standardisation of CSR terms and consistency of reporting would make it easier for readers to access information. Further research is recommended in the adoption of strategic communication models by SOEs, as this will assist in the framing of websites.
- Full Text:
- Date Issued: 2018
- Authors: Khomari, Jane
- Date: 2018
- Subjects: Social responsibility of business -- South Africa , Business ethics Business communication
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/31262 , vital:31349
- Description: Organisations today are experiencing immense pressure to act responsibly, both socially and ethically. Stakeholders expect organisations to operate with integrity, whilst still being profitable. This pressure is due to Corporate Social Responsibility (CSR) becoming increasingly a mark of good governance. Corporate performance is no longer measured by only financial statements, but CSR is deemed a corporate imperative for financial performance. This non-financial reporting has forced organisations to take cognisance of environmental, social and governance reporting, a process called Integrated Reporting. The purpose of this research was to explore website reporting of State Owned Enterprises (SOEs) in the transport sector. The study explored the phenomenon through six questions: What are the titles used to communicate CSR on SOE websites? What are the CSR activities communicated on SOE websites? What are the similarities and differences of the CSR initiatives communicated on the websites? Who are the stakeholders reached through CSR? What are the reporting practices on the SOE website? What are the similarities and differences of the reporting practices on the SOE websites. This research study was carried out in two stages. The first phase was to examine the corporate websites of the SOEs. The second phase was to use the data collected from the websites to understand CSR representation in SOEs. The purpose is to explore the communication of CSR on the various websites of the SOEs. A key finding of the research is that SOEs use different strategies to communicate CSR on their websites. SOEs communicate CSR activities using multiple titles and use various media on their websites. Additionally, there are variances with the framing of information on the websites. The varying communication strategies indicate the multiple stakeholders targeted by the different CSR focus areas. The research concluded that the different titles made it difficult for stakeholders to access information on the websites. Standardisation of CSR terms and consistency of reporting would make it easier for readers to access information. Further research is recommended in the adoption of strategic communication models by SOEs, as this will assist in the framing of websites.
- Full Text:
- Date Issued: 2018
A convenient approach to the deterministic routing of MIDI messages
- Authors: Shaw, Brent Roy
- Date: 2018
- Subjects: MIDI (Standard) , Microcontrollers , XMOS Limited , Computer architecture , Embedded computer systems
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/63256 , vital:28387
- Description: This research investigates the design and development of a Wireless MIDI Connection Management solution in order to create a deterministic MIDI transmission system. A investigation of the MIDI protocol show it to have certain limitation that can be overcome through the use of transmission solutions. These solutions can be used to improve on the versatility of MIDI while overcoming the MIDI's notorious cable length limitation. XMOS's deterministic XS1 microcontrollers are used to enable the design of a real-time system. The MIDINet system is investigated to identify both the strengths and weaknesses of such a connection management system, while other systems for network transmission of MIDI messages are reviewed. These investigations lead to a design concept for a new network MIDI transmission system that allows for the remote management of connections. The design and subsequent implementation of both the transmission system and the connection management system are then detailed. A testing methodology is then devised to allow for the newly created connection management system to be compared to the MIDINet system. The findings show the deterministic system to have lower latency than that of the MIDINet system, while utilising more compact and power efficient hardware.
- Full Text:
- Date Issued: 2018
- Authors: Shaw, Brent Roy
- Date: 2018
- Subjects: MIDI (Standard) , Microcontrollers , XMOS Limited , Computer architecture , Embedded computer systems
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/63256 , vital:28387
- Description: This research investigates the design and development of a Wireless MIDI Connection Management solution in order to create a deterministic MIDI transmission system. A investigation of the MIDI protocol show it to have certain limitation that can be overcome through the use of transmission solutions. These solutions can be used to improve on the versatility of MIDI while overcoming the MIDI's notorious cable length limitation. XMOS's deterministic XS1 microcontrollers are used to enable the design of a real-time system. The MIDINet system is investigated to identify both the strengths and weaknesses of such a connection management system, while other systems for network transmission of MIDI messages are reviewed. These investigations lead to a design concept for a new network MIDI transmission system that allows for the remote management of connections. The design and subsequent implementation of both the transmission system and the connection management system are then detailed. A testing methodology is then devised to allow for the newly created connection management system to be compared to the MIDINet system. The findings show the deterministic system to have lower latency than that of the MIDINet system, while utilising more compact and power efficient hardware.
- Full Text:
- Date Issued: 2018
A Cost-Efficient Energy Management Model for ICT4D Platforms in Low Resource Communities
- Authors: Mbotoloshi, Dumisani
- Date: 2018
- Subjects: Information technology Communication in community development|
- Language: English
- Type: Thesis , Masters , MSc (Computer Science )
- Identifier: http://hdl.handle.net/10353/14538 , vital:39999
- Description: A couple of Information and Communication Technology (ICT) researches have been conducted in the rural communities of South Africa (SA). This has encouraged the development of ICT services such as e-government, e-commerce, e-judiciary, e-health, e-agriculture and many others. Proper ICT implementation has led to societal development, economic empowerment and sustainable communities. However, this is achieved after intensive planning and stakeholders‟ involvement. It is clear that ICTs require energy to function. Most significantly is the fact that a bulk of ICTs in low resource communities (LRC) are mainly donations and less consideration if any is made on their energy consumption. LRC are regions with minimum access to energy, clean water, educational facilities, health facilities, government facilities, technology etc. There have been debates on whether in LRC ICTs are consuming energy. Most ICTs have been deployed without much consideration on the required energy consumption. On the other hand, less research has been done on the sustainability of ICTs, especially considering that all ICT devices and related platforms rely on the availability of energy. There are a lot of possible low cost energy solutions that are available, which could be used to support ICTs in LRC. However, there are so many ICT services, devices and platforms that are lying idle and not been fully utilized in such areas due to the energy related issues. In most cases, ICT solutions in LRC are introduced mainly with Computer Science and Information Systems researchers, without including other key stakeholders like energy experts. The research presents a Cost Effecient Energy Management Model that could be used to assist ICT for Development (ICT4D) platforms or projects in LRC. Both qualitative and quantitative research methods were used within the Siyakhula Living Lab (SLL) in Eastern Cape (EC) Province of SA. Design Science theory is considered for the designing of the model. The SLL is an ICT project which is undertaken within the Dwesa, Bulembu and Alice rural communities. In this dissertation, Dwesa rural community is the chosen case. The surrounding schools in the communities have been used as the ICT point of contact. Interviews, questionnaires, literature v review, action research, focus group, experiments, formulas and evaluation were the specific methods used to conduct this research. Results show that ICTs deployed in the SLLs are mainly donations which consume much energy. The main source of energy use within the SLLs is electricity. From the three schools that were selected where ICTs have been deployed it was found that the electricity bill has increased enormously. This has caused some schools not to open the computer laboratories, which are supposed to be used by the community members. It was also found that there is no energy management plan or solution in place for the SLL resources. The findings show that ICTs within the SLL are been affected by energy related subjects, though the community has been willing to pay for electricity. The Cost Efficient Energy Management Model is proposed at the end of the dissertation. The model is targeted for ICT service providers and has five (5) main pillars i.e stakeholders‟ engagement, energy and ICT infrastructure, new business models, monitoring and evaluation, and finally awareness and training. The dissertation identified all the ICT resources and services at three selected schools within the SLL and drew up the energy consumption for each school. All schools indicated that there has been an increase in the electricity bill after the introduction of the SLL project. There was a clear indication that no energy expert was involved in the establishment of the SLLs. The dissertation indicates that there is a need for renewable source of energy for ICTs to improve service delivery in LRC. ICT service providers should consider energy subjects when planning for development of such solutions in LRC. This research focuses on designing a low cost ICT energy model to inform on ICTs energy consumption in LRC. It further outlines the possible ICT energy solutions that could be used to benefit targeted communities.
- Full Text:
- Date Issued: 2018
- Authors: Mbotoloshi, Dumisani
- Date: 2018
- Subjects: Information technology Communication in community development|
- Language: English
- Type: Thesis , Masters , MSc (Computer Science )
- Identifier: http://hdl.handle.net/10353/14538 , vital:39999
- Description: A couple of Information and Communication Technology (ICT) researches have been conducted in the rural communities of South Africa (SA). This has encouraged the development of ICT services such as e-government, e-commerce, e-judiciary, e-health, e-agriculture and many others. Proper ICT implementation has led to societal development, economic empowerment and sustainable communities. However, this is achieved after intensive planning and stakeholders‟ involvement. It is clear that ICTs require energy to function. Most significantly is the fact that a bulk of ICTs in low resource communities (LRC) are mainly donations and less consideration if any is made on their energy consumption. LRC are regions with minimum access to energy, clean water, educational facilities, health facilities, government facilities, technology etc. There have been debates on whether in LRC ICTs are consuming energy. Most ICTs have been deployed without much consideration on the required energy consumption. On the other hand, less research has been done on the sustainability of ICTs, especially considering that all ICT devices and related platforms rely on the availability of energy. There are a lot of possible low cost energy solutions that are available, which could be used to support ICTs in LRC. However, there are so many ICT services, devices and platforms that are lying idle and not been fully utilized in such areas due to the energy related issues. In most cases, ICT solutions in LRC are introduced mainly with Computer Science and Information Systems researchers, without including other key stakeholders like energy experts. The research presents a Cost Effecient Energy Management Model that could be used to assist ICT for Development (ICT4D) platforms or projects in LRC. Both qualitative and quantitative research methods were used within the Siyakhula Living Lab (SLL) in Eastern Cape (EC) Province of SA. Design Science theory is considered for the designing of the model. The SLL is an ICT project which is undertaken within the Dwesa, Bulembu and Alice rural communities. In this dissertation, Dwesa rural community is the chosen case. The surrounding schools in the communities have been used as the ICT point of contact. Interviews, questionnaires, literature v review, action research, focus group, experiments, formulas and evaluation were the specific methods used to conduct this research. Results show that ICTs deployed in the SLLs are mainly donations which consume much energy. The main source of energy use within the SLLs is electricity. From the three schools that were selected where ICTs have been deployed it was found that the electricity bill has increased enormously. This has caused some schools not to open the computer laboratories, which are supposed to be used by the community members. It was also found that there is no energy management plan or solution in place for the SLL resources. The findings show that ICTs within the SLL are been affected by energy related subjects, though the community has been willing to pay for electricity. The Cost Efficient Energy Management Model is proposed at the end of the dissertation. The model is targeted for ICT service providers and has five (5) main pillars i.e stakeholders‟ engagement, energy and ICT infrastructure, new business models, monitoring and evaluation, and finally awareness and training. The dissertation identified all the ICT resources and services at three selected schools within the SLL and drew up the energy consumption for each school. All schools indicated that there has been an increase in the electricity bill after the introduction of the SLL project. There was a clear indication that no energy expert was involved in the establishment of the SLLs. The dissertation indicates that there is a need for renewable source of energy for ICTs to improve service delivery in LRC. ICT service providers should consider energy subjects when planning for development of such solutions in LRC. This research focuses on designing a low cost ICT energy model to inform on ICTs energy consumption in LRC. It further outlines the possible ICT energy solutions that could be used to benefit targeted communities.
- Full Text:
- Date Issued: 2018
A counter-narrative analysis of psychological riot in contemporary painting
- Authors: Ng’ok, Ivy Chemutai
- Date: 2018
- Subjects: Painting -- South Africa , Painting -- Psychological aspects , Distress (Psychology) in art , Imperialism in art , Violence in art , Patriarchy in art Political art
- Language: English
- Type: text , Thesis , Masters , MFA
- Identifier: http://hdl.handle.net/10962/60458 , vital:27782
- Description: I am rioting against a system of my own beliefs about the world. In my mind, I struggle to overcome these beliefs, hence, I construct the psychological riot as ‘the disturbance of the mind’. In this mini-thesis, I argue that it exists in the psyche too. This definition of psyche becomes painterly. My psychological riot is difficult to trace, let alone paint. The beliefs that I target are patriarchy within a post-colonial context. I use theories that are simultaneously psychological and corporeal. They address violence colonialist system. The psychological riot is an practical submission.
- Full Text:
- Date Issued: 2018
- Authors: Ng’ok, Ivy Chemutai
- Date: 2018
- Subjects: Painting -- South Africa , Painting -- Psychological aspects , Distress (Psychology) in art , Imperialism in art , Violence in art , Patriarchy in art Political art
- Language: English
- Type: text , Thesis , Masters , MFA
- Identifier: http://hdl.handle.net/10962/60458 , vital:27782
- Description: I am rioting against a system of my own beliefs about the world. In my mind, I struggle to overcome these beliefs, hence, I construct the psychological riot as ‘the disturbance of the mind’. In this mini-thesis, I argue that it exists in the psyche too. This definition of psyche becomes painterly. My psychological riot is difficult to trace, let alone paint. The beliefs that I target are patriarchy within a post-colonial context. I use theories that are simultaneously psychological and corporeal. They address violence colonialist system. The psychological riot is an practical submission.
- Full Text:
- Date Issued: 2018