An assessment of the disbursement of government funding for small, medium, and micro enterprises in the manufacturing sector in Nelson Mandela Bay
- Authors: Phinda, Sinazo Bukeka
- Date: 2024-12
- Subjects: Small business , Local finance -- Eastern Cape (South Africa) , Finance, Public -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70383 , vital:78345
- Description: This study has assessed the government's financial support for Small, Medium, and Micro Enterprises (SMMEs) in the Manufacturing Sector in Nelson Mandela Bay. The Nelson Mandela Bay Metropolitan Municipality is a region with a high potential for economic growth and development. Even though the region is reliant on the government for the majority of its income and earnings, there is major potential for the region to create more jobs and work opportunities, especially among the youth of the region. The problem that drove this study was the financial challenges faced by Small, Medium, and Micro Enterprises (SMMEs) in the manufacturing sector in Nelson Mandela Bay. To address these challenges government has created agencies to provide financial access to SMMEs. Theses government agencies include the Industrial Development Corporation, the Small Enterprise Finance Agency (SEFA), the Department of Trade, Industry and Competition (DTIC), the National Empowerment Fund Act No 105 of 1998 (NEF), and the National Youth Development Agency (NYDA), etc. This research adopted the use of a qualitative approach, for this study it is a suitable approach due to time and resource efficiency, as it used desktop analysis and secondary data which entails internet sources. Based on the literature reviewed in this study, financial challenges to SMMEs are not only an NMB challenge but a national challenge that needs to be addressed urgently. The literature in this study noted that these financial challenges are because of government policies, education and training, access to information, and funding requirements. The effective employment of recommendations in this study can improve the processes and procedures for SMMEs to be able to access both financial and non-financial support from the government. , Thesis (MPA) -- Faculty of Humanities, School of Governmental and Social Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Phinda, Sinazo Bukeka
- Date: 2024-12
- Subjects: Small business , Local finance -- Eastern Cape (South Africa) , Finance, Public -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70383 , vital:78345
- Description: This study has assessed the government's financial support for Small, Medium, and Micro Enterprises (SMMEs) in the Manufacturing Sector in Nelson Mandela Bay. The Nelson Mandela Bay Metropolitan Municipality is a region with a high potential for economic growth and development. Even though the region is reliant on the government for the majority of its income and earnings, there is major potential for the region to create more jobs and work opportunities, especially among the youth of the region. The problem that drove this study was the financial challenges faced by Small, Medium, and Micro Enterprises (SMMEs) in the manufacturing sector in Nelson Mandela Bay. To address these challenges government has created agencies to provide financial access to SMMEs. Theses government agencies include the Industrial Development Corporation, the Small Enterprise Finance Agency (SEFA), the Department of Trade, Industry and Competition (DTIC), the National Empowerment Fund Act No 105 of 1998 (NEF), and the National Youth Development Agency (NYDA), etc. This research adopted the use of a qualitative approach, for this study it is a suitable approach due to time and resource efficiency, as it used desktop analysis and secondary data which entails internet sources. Based on the literature reviewed in this study, financial challenges to SMMEs are not only an NMB challenge but a national challenge that needs to be addressed urgently. The literature in this study noted that these financial challenges are because of government policies, education and training, access to information, and funding requirements. The effective employment of recommendations in this study can improve the processes and procedures for SMMEs to be able to access both financial and non-financial support from the government. , Thesis (MPA) -- Faculty of Humanities, School of Governmental and Social Sciences, 2024
- Full Text:
- Date Issued: 2024-12
An assessment of the expanded public works programme: a case of Nelson Mandela Bay Municipality
- Goba, Mziwamadoda Khanya Siphozuko
- Authors: Goba, Mziwamadoda Khanya Siphozuko
- Date: 2024-12
- Subjects: Public works -- South Africa -- Eastern Cape , Monitoring , Evaluation
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70242 , vital:78332
- Description: This study examines the Monitoring and Evaluation (M&E) approach of the Expanded Public Works Programme (EPWP) as implemented by the Nelson Mandela Bay Municipality (NMBM), addressing challenges in reporting accuracy and compliance within this structure. Motivated by insights from the South African Cities Network (SACN), which identified data and reporting limitations in NMBM’s EPWP, this research explores the municipality’s capacity to support comprehensive programme analysis. Using a qualitative descriptive approach, the study analysed publicly available documents related to EPWP operations to evaluate the effectiveness of current M&E practices. Findings indicate that while the EPWP framework promotes accountability, there is a significant need for institutional capacity development, including measures to address staff turnover, fill vacant roles, and provide targeted training for officials responsible for EPWP reporting. Additionally, recommendations highlight the importance of enhancing compliance with reporting standards to produce accurate and thorough programme data. Improved financial transparency is also recommended, advocating for more detailed fund utilization reporting to strengthen accountability. To address underreporting, the study suggests establishing a feedback mechanism for timely inclusion of EPWP reports in municipal agendas, fostering stakeholder engagement and a participatory approach. Finally, recommendations for further research propose a follow-up study involving in-depth interviews with provincial and municipal public works officials to gain deeper insights into the challenges faced in EPWP M&E. These recommendations aim to improve NMBM’s adherence to M&E standards, ultimately enhancing the EPWP’s impact on employment and community development. , Thesis (MA) -- Faculty of Business and Economic Sciences, School of Economics, Development and Tourism, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Goba, Mziwamadoda Khanya Siphozuko
- Date: 2024-12
- Subjects: Public works -- South Africa -- Eastern Cape , Monitoring , Evaluation
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70242 , vital:78332
- Description: This study examines the Monitoring and Evaluation (M&E) approach of the Expanded Public Works Programme (EPWP) as implemented by the Nelson Mandela Bay Municipality (NMBM), addressing challenges in reporting accuracy and compliance within this structure. Motivated by insights from the South African Cities Network (SACN), which identified data and reporting limitations in NMBM’s EPWP, this research explores the municipality’s capacity to support comprehensive programme analysis. Using a qualitative descriptive approach, the study analysed publicly available documents related to EPWP operations to evaluate the effectiveness of current M&E practices. Findings indicate that while the EPWP framework promotes accountability, there is a significant need for institutional capacity development, including measures to address staff turnover, fill vacant roles, and provide targeted training for officials responsible for EPWP reporting. Additionally, recommendations highlight the importance of enhancing compliance with reporting standards to produce accurate and thorough programme data. Improved financial transparency is also recommended, advocating for more detailed fund utilization reporting to strengthen accountability. To address underreporting, the study suggests establishing a feedback mechanism for timely inclusion of EPWP reports in municipal agendas, fostering stakeholder engagement and a participatory approach. Finally, recommendations for further research propose a follow-up study involving in-depth interviews with provincial and municipal public works officials to gain deeper insights into the challenges faced in EPWP M&E. These recommendations aim to improve NMBM’s adherence to M&E standards, ultimately enhancing the EPWP’s impact on employment and community development. , Thesis (MA) -- Faculty of Business and Economic Sciences, School of Economics, Development and Tourism, 2024
- Full Text:
- Date Issued: 2024-12
An assessment of the management of e-learning programmes in selected public high schools in Limpopo
- Authors: Lebea, Talamo Daphney
- Date: 2024-12
- Subjects: Blended learning , Telecommunication in education , Education and state -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70319 , vital:78339
- Description: The utilisation of e-learning in public schools has become a significant subject of discussion in educational communities across the globe. In public schools in Limpopo Province in South Africa, e-learning initiatives have been gradually introduced. This transition towards incorporating technology in the classroom is viewed as a means of elevating the quality of education and expanding access to learning materials for students residing in remote regions. Nonetheless, the advancement of e-learning implementation in public schools in Limpopo Province has encountered some obstacles. To effectively introduce e-learning in public schools throughout Limpopo Province, it is crucial to identify the unique challenges these schools face and the benefits they can gain from successful implementation. Additionally, evaluating the management of e-learning implementation in these schools is of utmost importance. As such, this study assessed the implementation of e-learning programmes in public schools within the Limpopo Province. A qualitative research methodology was employed in the research study and desktop research of related literature assisted in achieving the aim of this study. Thematic content analysis was used to analyse the gathered data. The study utilised the Social Constructivism theory as the underpinning theoretical framework. The findings indicated that public schools encounter significant obstacles when implementing e-learning programmes, including inadequate policies, insufficient resources such as lack of internet access and modern devices, poor infrastructure, inadequate teacher training and skills, insufficient financial support for educators, a lack of a comprehensive model, low interest among teachers, and high internet costs. In conclusion, it can be suggested that if these challenges are addressed, implementing e-learning in public schools in Limpopo will be a success. Therefore, the government should prioritise appointing educators with the necessary competencies and invest in educator training, creating conducive learning environments, and developing e-learning programmes that are unique to the challenges rather than adopting a one-size-fits-all approach. , Thesis (MPA) -- Faculty of Humanities, School of Governmental and Social Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Lebea, Talamo Daphney
- Date: 2024-12
- Subjects: Blended learning , Telecommunication in education , Education and state -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70319 , vital:78339
- Description: The utilisation of e-learning in public schools has become a significant subject of discussion in educational communities across the globe. In public schools in Limpopo Province in South Africa, e-learning initiatives have been gradually introduced. This transition towards incorporating technology in the classroom is viewed as a means of elevating the quality of education and expanding access to learning materials for students residing in remote regions. Nonetheless, the advancement of e-learning implementation in public schools in Limpopo Province has encountered some obstacles. To effectively introduce e-learning in public schools throughout Limpopo Province, it is crucial to identify the unique challenges these schools face and the benefits they can gain from successful implementation. Additionally, evaluating the management of e-learning implementation in these schools is of utmost importance. As such, this study assessed the implementation of e-learning programmes in public schools within the Limpopo Province. A qualitative research methodology was employed in the research study and desktop research of related literature assisted in achieving the aim of this study. Thematic content analysis was used to analyse the gathered data. The study utilised the Social Constructivism theory as the underpinning theoretical framework. The findings indicated that public schools encounter significant obstacles when implementing e-learning programmes, including inadequate policies, insufficient resources such as lack of internet access and modern devices, poor infrastructure, inadequate teacher training and skills, insufficient financial support for educators, a lack of a comprehensive model, low interest among teachers, and high internet costs. In conclusion, it can be suggested that if these challenges are addressed, implementing e-learning in public schools in Limpopo will be a success. Therefore, the government should prioritise appointing educators with the necessary competencies and invest in educator training, creating conducive learning environments, and developing e-learning programmes that are unique to the challenges rather than adopting a one-size-fits-all approach. , Thesis (MPA) -- Faculty of Humanities, School of Governmental and Social Sciences, 2024
- Full Text:
- Date Issued: 2024-12
An evaluation of the importance of effective leadership at Nelson Mandela Bay Metropolitan Municipality
- Authors: Ngcwembe, Sandiswa
- Date: 2024-12
- Subjects: Leadership -- South Africa -- Nelson Mandela Bay Municipality , Service delivery -- South Africa -- Nelson Mandela Bay Municipality , Success in business
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70023 , vital:78274
- Description: Leadership can be viewed as a social influence in which someone in a managerial position seeks voluntary participation of employees, communities, and businesses, to achieve stated objectives. Leadership styles applied by any organisation, also play a significant role in improving the services and business growth in local municipalities. The purpose of this research was to investigate the importance of effective leadership towards business success at Nelson Mandela Bay Metropolitan Municipality and to recommend strategies that the Municipality can implement to enhance effective leadership. A quantitative methodology in form of a survey was adopted and a sample of 60 respondents was used. The results concluded that a significant relationship exists between leadership effectiveness and the Municipality’s growth and success. Most of the respondents were satisfied with how full-time ward councillors ensure that crucial service challenges are addressed, and that the Municipality supports small to medium businesses through mentoring and training programmes. However, some were not satisfied with service delivery and the maintenance of roads. Finally, “the results indicated a strong relationship between service delivery and transformational leadership. Service delivery had a positive correlation with transformational leadership, but a negative correlation with transactional leadership. The research results are significant for political leadership within local municipalities for the enhancement of business growth. This study ends with the limitations, a brief conclusion and recommendations.” , Thesis (MBA) -- Faculty of Business and Economic Sciences, Business School, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Ngcwembe, Sandiswa
- Date: 2024-12
- Subjects: Leadership -- South Africa -- Nelson Mandela Bay Municipality , Service delivery -- South Africa -- Nelson Mandela Bay Municipality , Success in business
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70023 , vital:78274
- Description: Leadership can be viewed as a social influence in which someone in a managerial position seeks voluntary participation of employees, communities, and businesses, to achieve stated objectives. Leadership styles applied by any organisation, also play a significant role in improving the services and business growth in local municipalities. The purpose of this research was to investigate the importance of effective leadership towards business success at Nelson Mandela Bay Metropolitan Municipality and to recommend strategies that the Municipality can implement to enhance effective leadership. A quantitative methodology in form of a survey was adopted and a sample of 60 respondents was used. The results concluded that a significant relationship exists between leadership effectiveness and the Municipality’s growth and success. Most of the respondents were satisfied with how full-time ward councillors ensure that crucial service challenges are addressed, and that the Municipality supports small to medium businesses through mentoring and training programmes. However, some were not satisfied with service delivery and the maintenance of roads. Finally, “the results indicated a strong relationship between service delivery and transformational leadership. Service delivery had a positive correlation with transformational leadership, but a negative correlation with transactional leadership. The research results are significant for political leadership within local municipalities for the enhancement of business growth. This study ends with the limitations, a brief conclusion and recommendations.” , Thesis (MBA) -- Faculty of Business and Economic Sciences, Business School, 2024
- Full Text:
- Date Issued: 2024-12
Analysing barriers of lean service implementation In South African Post Office operations
- Authors: Mpompa, Luyanda Clive
- Date: 2024-12
- Subjects: Lean manufacturing , Six sigma (Quality control standard) , Postal service -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70056 , vital:78288
- Description: The purpose of this study was to investigate and analyse the barriers to the implementation of Lean services in the service industry, with a particular focus on the South African Post Office operations. The researcher intended to identify and describe the barriers that precluded the implementation of Lean principles in service industry and where necessary shared the study's findings with South African Post Office management for decision making. The findings of the study in the South African Post Office were consistent with those of the other authors who conducted studies with the aim of identifying the barriers to Lean implementation in service industry. However most studies focussed on the barriers caused by operational factors while this study focussed on the barriers causing failures in implementing Lean initiatives which are connected with the South African Post Office management and staff perceptions on the importance of Lean principles in the organisation’s value stream. The findings, as presented in Chapter 5 of the study, identified various elements that contributed to managerial failures and those were the barriers the study intended to identify. The study indicated that top management of the South African Post Office was not familiar with the implementation of Lean concept. Management and staff in charge of operations were aware of the Lean concept, but none of them displayed considerable expertise of how to implement it. That was one of the reasons the organisation was unable to properly integrate Lean in its operations. The implementation of Lean required professionals and experts who could implement, drive, and monitor the process. The study’s interpretive framework was interpretivism-constructivism, and the study was a case study. The primary data collection method was face-to-face interviews with reference to archived information and secondary data. Semi-structured questions were asked during interviews. A total of twelve participants completed and signed the consent form, indicating their agreement to participate in the interviews. Out of the twelve participants, interviews were conducted with eleven individuals. Since its inception, Lean Manufacturing system had been viewed as a method that primarily applied to manufacturing-oriented businesses. Lean practices had also been adopted by the service industry, and a number of those businesses had integrated Lean methods in their operations. The postal services around the globe had also gradually implemented Lean successfully in their operations although there had been quite a number of barriers that hindered the implementation of Lean in some postal services around the globe. The South African Post Office exerted efforts to implement Lean but has up to this point not fully implemented Lean practices in its operation and this was what had triggered the researcher to learn more and analyse such barriers. The study aimed at identifying those barriers. The study's goal was to investigate and analyse the Lean implementation barriers in order to provide credible outcomes to both the South African Post Office management and the Nelson Mandela University, as well as other organisations in the service industry in comparable situations as the South African Post Office. The findings of this study related to management’s perception of Lean importance in ensuring optimum operational performance and customer satisfaction. , Thesis (MBA) -- Faculty of Business and Economic Sciences, Business School, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Mpompa, Luyanda Clive
- Date: 2024-12
- Subjects: Lean manufacturing , Six sigma (Quality control standard) , Postal service -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70056 , vital:78288
- Description: The purpose of this study was to investigate and analyse the barriers to the implementation of Lean services in the service industry, with a particular focus on the South African Post Office operations. The researcher intended to identify and describe the barriers that precluded the implementation of Lean principles in service industry and where necessary shared the study's findings with South African Post Office management for decision making. The findings of the study in the South African Post Office were consistent with those of the other authors who conducted studies with the aim of identifying the barriers to Lean implementation in service industry. However most studies focussed on the barriers caused by operational factors while this study focussed on the barriers causing failures in implementing Lean initiatives which are connected with the South African Post Office management and staff perceptions on the importance of Lean principles in the organisation’s value stream. The findings, as presented in Chapter 5 of the study, identified various elements that contributed to managerial failures and those were the barriers the study intended to identify. The study indicated that top management of the South African Post Office was not familiar with the implementation of Lean concept. Management and staff in charge of operations were aware of the Lean concept, but none of them displayed considerable expertise of how to implement it. That was one of the reasons the organisation was unable to properly integrate Lean in its operations. The implementation of Lean required professionals and experts who could implement, drive, and monitor the process. The study’s interpretive framework was interpretivism-constructivism, and the study was a case study. The primary data collection method was face-to-face interviews with reference to archived information and secondary data. Semi-structured questions were asked during interviews. A total of twelve participants completed and signed the consent form, indicating their agreement to participate in the interviews. Out of the twelve participants, interviews were conducted with eleven individuals. Since its inception, Lean Manufacturing system had been viewed as a method that primarily applied to manufacturing-oriented businesses. Lean practices had also been adopted by the service industry, and a number of those businesses had integrated Lean methods in their operations. The postal services around the globe had also gradually implemented Lean successfully in their operations although there had been quite a number of barriers that hindered the implementation of Lean in some postal services around the globe. The South African Post Office exerted efforts to implement Lean but has up to this point not fully implemented Lean practices in its operation and this was what had triggered the researcher to learn more and analyse such barriers. The study aimed at identifying those barriers. The study's goal was to investigate and analyse the Lean implementation barriers in order to provide credible outcomes to both the South African Post Office management and the Nelson Mandela University, as well as other organisations in the service industry in comparable situations as the South African Post Office. The findings of this study related to management’s perception of Lean importance in ensuring optimum operational performance and customer satisfaction. , Thesis (MBA) -- Faculty of Business and Economic Sciences, Business School, 2024
- Full Text:
- Date Issued: 2024-12
Assessing perceptions regarding sustainable growth of taverns in the Gqeberha liquor industry
- Authors: Coutsourides, Peter Dimitri
- Date: 2024-12
- Subjects: Taverns (Inns) -- Port Elizabeth- Eastern Cape -- South Africa , Liquor industry -- Port Elizabeth -- Eastern Cape , Economic development -- Port Elizabeth -- Eastern Cape -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/69542 , vital:77710
- Description: This study investigates the sustainable growth of taverns within the informal liquor industry in Gqeberha, South Africa. The informal sector is critical for economic development, employing 60% of the world's population and nearly 30% of South Africa's workforce. This study focuses on taverns, a prevalent form of small, medium, and micro-enterprises in South African townships. Despite their economic significance, these taverns face numerous challenges, including limited access to finance, inadequate infrastructure, regulatory hurdles, and competition from larger formal enterprises. The research explores the historical context of the liquor industry in South Africa, highlighting the legacy of racial inequality and the evolution of regulatory frameworks aimed at balancing industry growth and social equity. In addition, the literature covered topics relating to SMMEs and sustainable growth. The study employs a case study strategy and a qualitative methodology where 12 tavern owners in Gqeberha were interviewed using an interview schedule. The thematic data analysis revealed five main challenges that hinder taverns' sustainable growth, namely finance, government interventions and facilities, competition, the COVID-19 Pandemic and crime. In addition, three measures or themes of sustainable growth were identified for these enterprises, such as economic, social and environmental measures for sustainable growth. Finally, based on the findings, a major contribution of this study is the framework of sustainable growth enablers that were presented to SMMEs, including taverns. This study contributes to the understanding of SMMEs in the informal sector and offers practical recommendations for enhancing the sustainable growth of taverns. By addressing the identified challenges and leveraging the proposed enablers, policymakers and stakeholders can create a more supportive environment for these enterprises, ultimately contributing to broader economic development and poverty reduction in South Africa. The insights gained from this study are intended to inform future policies and support mechanisms that can help these enterprises thrive despite their myriad challenges. , Thesis (MCom) -- Faculty of Business and Economic Sciences, School of Management Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Coutsourides, Peter Dimitri
- Date: 2024-12
- Subjects: Taverns (Inns) -- Port Elizabeth- Eastern Cape -- South Africa , Liquor industry -- Port Elizabeth -- Eastern Cape , Economic development -- Port Elizabeth -- Eastern Cape -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/69542 , vital:77710
- Description: This study investigates the sustainable growth of taverns within the informal liquor industry in Gqeberha, South Africa. The informal sector is critical for economic development, employing 60% of the world's population and nearly 30% of South Africa's workforce. This study focuses on taverns, a prevalent form of small, medium, and micro-enterprises in South African townships. Despite their economic significance, these taverns face numerous challenges, including limited access to finance, inadequate infrastructure, regulatory hurdles, and competition from larger formal enterprises. The research explores the historical context of the liquor industry in South Africa, highlighting the legacy of racial inequality and the evolution of regulatory frameworks aimed at balancing industry growth and social equity. In addition, the literature covered topics relating to SMMEs and sustainable growth. The study employs a case study strategy and a qualitative methodology where 12 tavern owners in Gqeberha were interviewed using an interview schedule. The thematic data analysis revealed five main challenges that hinder taverns' sustainable growth, namely finance, government interventions and facilities, competition, the COVID-19 Pandemic and crime. In addition, three measures or themes of sustainable growth were identified for these enterprises, such as economic, social and environmental measures for sustainable growth. Finally, based on the findings, a major contribution of this study is the framework of sustainable growth enablers that were presented to SMMEs, including taverns. This study contributes to the understanding of SMMEs in the informal sector and offers practical recommendations for enhancing the sustainable growth of taverns. By addressing the identified challenges and leveraging the proposed enablers, policymakers and stakeholders can create a more supportive environment for these enterprises, ultimately contributing to broader economic development and poverty reduction in South Africa. The insights gained from this study are intended to inform future policies and support mechanisms that can help these enterprises thrive despite their myriad challenges. , Thesis (MCom) -- Faculty of Business and Economic Sciences, School of Management Sciences, 2024
- Full Text:
- Date Issued: 2024-12
Associations between patterns of wild ungulate patch use, soil carbon and albedo in montane grasslands
- Authors: Mc Gregor, Steven
- Date: 2024-12
- Subjects: Grassland ecology , Global environmental change , Climatic changes
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/69382 , vital:77250
- Description: Grassy ecosystems are essential for human survival, providing key services including food production, water provisioning and moderating climate. Yet, grassy ecosystems remain undervalued due to misconceptions that they are remnants of degraded states of forest – a view that continues to influence climate change policies. This thesis explores the links between wild, free-roaming ungulate grazers and climate drivers, including carbon storage and surface albedo (i.e., reflectance of solar radiation), through their impacts on vegetation and soils. Using black wildebeest (Connochaetes gnou) as a model wild species, I compared their grazing patterns in an Afromontane grassland in the eastern Karoo, South Africa, to those of short-duration cattle grazing systems in similar nearby grasslands (Chapter 2). While short-duration grazing aims to mimic spatiotemporal wild ungulate grazing patterns to supposedly enhance ecosystem functioning and soil carbon stocks, I found that wildebeest had ~50% shorter grazing durations and much shorter rest intervals (1-5 days versus 60-365 days), revealing key differences in grazing patterns that may affect vegetation and climate feedbacks. Next, I examined spatial variations in soil organic carbon (SOC) stocks between grass growth forms that differ in grazing tolerance (Chapter 3). Red grass (Themeda triandra) tussock patches, sensitive to frequent grazing, had higher SOC to a soil depth of 20 cm (61.45 ± 1.59 Mg C·ha-1)than intensively grazed, prostrate-growing Cynodon dactylon grazing lawns (55.43 ± 3.40Mg C·ha-1), likely due to greater shading and soil moisture beneath tussocks which drives microbial decomposition. Seasonal albedo variations were then assessed across distinct grassland patch types among seasons to determine whether albedo varies seasonally at fine patch-scales between grass patches, between shrub and grass patches, and with grazing (Chapter 4). Albedo was lower during the growing season compared to dormancy, and was consistently lower in dwarf shrub (Pentzia incana) encroached patches compared to grass patches. No albedo differences between grazed and less-grazed tussock grass patches of the same species were found, although intensively grazed grazing lawns had consistently higher albedo than most patch types. Finally, I evaluated trade-offs between plant carbon, albedo, and their impacts on radiative forcing (i.e., atmospheric warming/cooling) resulting from patch type changes commonly found in grassy ecosystems (Chapter 5). The loss of perennial grass cover resulted in the highest net positive (warming) effect, mostly due to reduced root biomass. Additionally, shrub encroachment into all patches lowered albedo, but led to negative (cooling) effects from shrub encroachment into bare ground patches due to biomass gains. This thesis challenges current views of grassy landscapes and short-duration grazing systems, emphasizing the need to rethink climate change mitigation strategies to prioritize maintaining heterogeneity, while enhancing carbon sequestration and albedo in grassy ecosystems. , Thesis (PhD) -- Faculty of Science, School of Environmental Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Mc Gregor, Steven
- Date: 2024-12
- Subjects: Grassland ecology , Global environmental change , Climatic changes
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/69382 , vital:77250
- Description: Grassy ecosystems are essential for human survival, providing key services including food production, water provisioning and moderating climate. Yet, grassy ecosystems remain undervalued due to misconceptions that they are remnants of degraded states of forest – a view that continues to influence climate change policies. This thesis explores the links between wild, free-roaming ungulate grazers and climate drivers, including carbon storage and surface albedo (i.e., reflectance of solar radiation), through their impacts on vegetation and soils. Using black wildebeest (Connochaetes gnou) as a model wild species, I compared their grazing patterns in an Afromontane grassland in the eastern Karoo, South Africa, to those of short-duration cattle grazing systems in similar nearby grasslands (Chapter 2). While short-duration grazing aims to mimic spatiotemporal wild ungulate grazing patterns to supposedly enhance ecosystem functioning and soil carbon stocks, I found that wildebeest had ~50% shorter grazing durations and much shorter rest intervals (1-5 days versus 60-365 days), revealing key differences in grazing patterns that may affect vegetation and climate feedbacks. Next, I examined spatial variations in soil organic carbon (SOC) stocks between grass growth forms that differ in grazing tolerance (Chapter 3). Red grass (Themeda triandra) tussock patches, sensitive to frequent grazing, had higher SOC to a soil depth of 20 cm (61.45 ± 1.59 Mg C·ha-1)than intensively grazed, prostrate-growing Cynodon dactylon grazing lawns (55.43 ± 3.40Mg C·ha-1), likely due to greater shading and soil moisture beneath tussocks which drives microbial decomposition. Seasonal albedo variations were then assessed across distinct grassland patch types among seasons to determine whether albedo varies seasonally at fine patch-scales between grass patches, between shrub and grass patches, and with grazing (Chapter 4). Albedo was lower during the growing season compared to dormancy, and was consistently lower in dwarf shrub (Pentzia incana) encroached patches compared to grass patches. No albedo differences between grazed and less-grazed tussock grass patches of the same species were found, although intensively grazed grazing lawns had consistently higher albedo than most patch types. Finally, I evaluated trade-offs between plant carbon, albedo, and their impacts on radiative forcing (i.e., atmospheric warming/cooling) resulting from patch type changes commonly found in grassy ecosystems (Chapter 5). The loss of perennial grass cover resulted in the highest net positive (warming) effect, mostly due to reduced root biomass. Additionally, shrub encroachment into all patches lowered albedo, but led to negative (cooling) effects from shrub encroachment into bare ground patches due to biomass gains. This thesis challenges current views of grassy landscapes and short-duration grazing systems, emphasizing the need to rethink climate change mitigation strategies to prioritize maintaining heterogeneity, while enhancing carbon sequestration and albedo in grassy ecosystems. , Thesis (PhD) -- Faculty of Science, School of Environmental Sciences, 2024
- Full Text:
- Date Issued: 2024-12
Characterization of the molecular mechanism(s) of cannabinoid-induced paraptosis in breast cancer cells
- Authors: de la Harpe, Amy
- Date: 2024-12
- Subjects: Cannabinoids , Cannabinoids -- Therapeutic use , Cancer cells
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/68818 , vital:77120
- Description: Natural products have been extensively studied for their anticancer potential, and several widely used anticancer drugs have natural origins. Many studies have demonstrated that natural compounds can induce paraptosis in various tumour cell lines. Paraptosis is a caspase-independent cell death mechanism characterised by cytoplasmic vacuolation arising from the endoplasmic reticulum (ER) and the mitochondria. The molecular mechanism of paraptosis is unclear; however, the literature indicates that dysregulation of calcium signalling plays an important role in paraptosis induction, particularly calcium-mediated signalling between the ER and mitochondria. This study aimed to identify and characterise the mechanism of cell death induced by a phytocannabinoid ratio which induced significant cytoplasmic vacuolation in the MCF7 breast cancer cell line. Several techniques were employed to address the aim of the study. The crystal violet assay was used to detect changes in viability. Several pathway inhibitors, as well as fluorescent staining and analysis using high-content screening (HCS), were used to measure the induction of various cell death mechanisms. Morphological changes were investigated using light and transmission electron microscopy. The phytocannabinoid ratio induced significant cell death and cytoplasmic vacuolation in MCF7 cells; however, the same trend was not observed in the MCF10A non-tumourigenic breast cell line. No cell cycle arrest, apoptosis, necrosis, autophagy, or ferroptosis induction was detected in MCF7 cells, suggesting that an alternative mechanism of cell death was induced. Vacuolation and cell death induced by the phytocannabinoid ratio were inhibited by cycloheximide, suggesting a dependence on protein synthesis, which is characteristic of paraptosis induction. The mechanism of paraptosis induction by the phytocannabinoid ratio was investigated, and it was found that treatment 1) induced ER dilation and mitochondrial swelling; 2) induced significant ER stress, mitochondrial calcium overload, and mitochondrial dysfunction which appeared to be mediated by the voltage-dependent anion channel (VDAC); and 3) significantly impaired all mitochondrial metabolic pathways. Overall, the data demonstrated that paraptosis induced by the cannabinoid ratio is mediated by calcium flux from the ER to the mitochondria. This highlighted a novel mechanism of phytocannabinoid-induced cell death and emphasised the anti-cancer potential of the use of phytocannabinoid ratios as opposed to individual phytocannabinoids, expanding their potential for use as anticancer agents. , Thesis (PhD) -- Faculty of Science, School of Biomolecular & Chemical Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: de la Harpe, Amy
- Date: 2024-12
- Subjects: Cannabinoids , Cannabinoids -- Therapeutic use , Cancer cells
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/68818 , vital:77120
- Description: Natural products have been extensively studied for their anticancer potential, and several widely used anticancer drugs have natural origins. Many studies have demonstrated that natural compounds can induce paraptosis in various tumour cell lines. Paraptosis is a caspase-independent cell death mechanism characterised by cytoplasmic vacuolation arising from the endoplasmic reticulum (ER) and the mitochondria. The molecular mechanism of paraptosis is unclear; however, the literature indicates that dysregulation of calcium signalling plays an important role in paraptosis induction, particularly calcium-mediated signalling between the ER and mitochondria. This study aimed to identify and characterise the mechanism of cell death induced by a phytocannabinoid ratio which induced significant cytoplasmic vacuolation in the MCF7 breast cancer cell line. Several techniques were employed to address the aim of the study. The crystal violet assay was used to detect changes in viability. Several pathway inhibitors, as well as fluorescent staining and analysis using high-content screening (HCS), were used to measure the induction of various cell death mechanisms. Morphological changes were investigated using light and transmission electron microscopy. The phytocannabinoid ratio induced significant cell death and cytoplasmic vacuolation in MCF7 cells; however, the same trend was not observed in the MCF10A non-tumourigenic breast cell line. No cell cycle arrest, apoptosis, necrosis, autophagy, or ferroptosis induction was detected in MCF7 cells, suggesting that an alternative mechanism of cell death was induced. Vacuolation and cell death induced by the phytocannabinoid ratio were inhibited by cycloheximide, suggesting a dependence on protein synthesis, which is characteristic of paraptosis induction. The mechanism of paraptosis induction by the phytocannabinoid ratio was investigated, and it was found that treatment 1) induced ER dilation and mitochondrial swelling; 2) induced significant ER stress, mitochondrial calcium overload, and mitochondrial dysfunction which appeared to be mediated by the voltage-dependent anion channel (VDAC); and 3) significantly impaired all mitochondrial metabolic pathways. Overall, the data demonstrated that paraptosis induced by the cannabinoid ratio is mediated by calcium flux from the ER to the mitochondria. This highlighted a novel mechanism of phytocannabinoid-induced cell death and emphasised the anti-cancer potential of the use of phytocannabinoid ratios as opposed to individual phytocannabinoids, expanding their potential for use as anticancer agents. , Thesis (PhD) -- Faculty of Science, School of Biomolecular & Chemical Sciences, 2024
- Full Text:
- Date Issued: 2024-12
Chicory production for sustainable economic development of Alexandria in Ndlambe Local Municipality
- Authors: Mampana, Qawekazi
- Date: 2024-12
- Subjects: Economic development -- South Africa -- Eastern Cape , Sustainable development -- South Africa -- Eastern Cape , Chicory -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70133 , vital:78303
- Description: The apartheid regime that governed South Africa prior to the democratic transition pursued and implemented ethnically motivated policies and legislation that promoted racial segregation. As a result, the democratic government inherited a country plagued by unemployment, poverty, and inequality challenges. In response, the democratic government identified cooperatives as one mechanism to address these structural challenges and undo the legacy of apartheid, leading to an increase in the number of registered cooperatives in the country. Studies have shown that cooperatives could help propel community development in South Africa, especially in rural communities. It is argued that cooperatives have the potential to increase public participation and thus forge unity and togetherness among communities. Scholars indicate that public participation can improve community development and access to service delivery and enhance political influence and other resources that, in turn, will sustain human capital. Furthermore, studies have also shown that assisting and mobilising poor communities to work together is crucial for community development. However, despite cooperatives’ imperative role in community development, most struggle to sustain themselves and eventually become inactive, especially in rural communities. The study was conducted in Alexandria, a small rural town within the Ndlambe Local Municipality (NLM) in the Eastern Cape Province. The study’s main aim was to interrogate the current state of chicory production in Alexandria from the perspectives of community cooperatives operating in the chicory sector. The study also sought to interrogate the phenomenon under study from the perspectives of Chicory South Africa (CSA) and government officials from the Eastern Cape Provincial Government. CSA provides administrative and technical support in the sector, and the provincial government provides financial and other support instruments to the community cooperatives operating in the sector. The study adopted a qualitative research approach and used purposive sampling to identify and select participants. The study included 14 participants that were purposively identified and selected by the researcher based on their capabilities to illuminate the phenomena under study. The data was collected through semi-structured interviews with the participants and corroborated with a literature review in the context of cooperatives in South Africa. Considering the qualitative nature of the study, the researcher deemed it prudent to utilise the constructivism research paradigm. The constructivism paradigm is premised on the notion that reality is socially constructed; thus, there are multiple realities that are shaped by people’s unique experiences of the social world in which they live and work. The study used thematic analysis to analyse the data. The findings reveal that the significant issues cooperatives face include inter alia lack of access to capital, insufficient government intervention, climate change, and lack of capacity among members. The findings further reveal that local government must assist cooperatives by providing them with capital and technical support. The study recommends that all spheres of government must engage in work and support initiatives that aim to create a sustainable and conducive environment for community development. In this regard, it is recommended that the government take a leading role in supporting cooperatives and ensure their activities and objectives align with government efforts towards sustainable community development, which will create synergy between the government and cooperatives. , Thesis (MA) -- Faculty of Business and Economic Sciences, School of Economics, Development and Tourism, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Mampana, Qawekazi
- Date: 2024-12
- Subjects: Economic development -- South Africa -- Eastern Cape , Sustainable development -- South Africa -- Eastern Cape , Chicory -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70133 , vital:78303
- Description: The apartheid regime that governed South Africa prior to the democratic transition pursued and implemented ethnically motivated policies and legislation that promoted racial segregation. As a result, the democratic government inherited a country plagued by unemployment, poverty, and inequality challenges. In response, the democratic government identified cooperatives as one mechanism to address these structural challenges and undo the legacy of apartheid, leading to an increase in the number of registered cooperatives in the country. Studies have shown that cooperatives could help propel community development in South Africa, especially in rural communities. It is argued that cooperatives have the potential to increase public participation and thus forge unity and togetherness among communities. Scholars indicate that public participation can improve community development and access to service delivery and enhance political influence and other resources that, in turn, will sustain human capital. Furthermore, studies have also shown that assisting and mobilising poor communities to work together is crucial for community development. However, despite cooperatives’ imperative role in community development, most struggle to sustain themselves and eventually become inactive, especially in rural communities. The study was conducted in Alexandria, a small rural town within the Ndlambe Local Municipality (NLM) in the Eastern Cape Province. The study’s main aim was to interrogate the current state of chicory production in Alexandria from the perspectives of community cooperatives operating in the chicory sector. The study also sought to interrogate the phenomenon under study from the perspectives of Chicory South Africa (CSA) and government officials from the Eastern Cape Provincial Government. CSA provides administrative and technical support in the sector, and the provincial government provides financial and other support instruments to the community cooperatives operating in the sector. The study adopted a qualitative research approach and used purposive sampling to identify and select participants. The study included 14 participants that were purposively identified and selected by the researcher based on their capabilities to illuminate the phenomena under study. The data was collected through semi-structured interviews with the participants and corroborated with a literature review in the context of cooperatives in South Africa. Considering the qualitative nature of the study, the researcher deemed it prudent to utilise the constructivism research paradigm. The constructivism paradigm is premised on the notion that reality is socially constructed; thus, there are multiple realities that are shaped by people’s unique experiences of the social world in which they live and work. The study used thematic analysis to analyse the data. The findings reveal that the significant issues cooperatives face include inter alia lack of access to capital, insufficient government intervention, climate change, and lack of capacity among members. The findings further reveal that local government must assist cooperatives by providing them with capital and technical support. The study recommends that all spheres of government must engage in work and support initiatives that aim to create a sustainable and conducive environment for community development. In this regard, it is recommended that the government take a leading role in supporting cooperatives and ensure their activities and objectives align with government efforts towards sustainable community development, which will create synergy between the government and cooperatives. , Thesis (MA) -- Faculty of Business and Economic Sciences, School of Economics, Development and Tourism, 2024
- Full Text:
- Date Issued: 2024-12
Co-generated learnings from hopes-an NRF grant funded university engagement project
- Authors: Quvile, Xola Bulumko
- Date: 2024-12
- Subjects: National Research Foundation (South Africa) , Research grants -- South Africa , Education, Higher -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/68366 , vital:76990
- Description: The study had sought to understand the systemic and individual factors that facilitated or inhibited the NRF grant-funded HOPES Project. HOPES collaborated with the Centre for the Community School in the Faculty of Education, and various communities of practice (COPs) in existing school communities in the Eastern Cape Province of South Africa. The project applied a critical participatory action research work to develop a framework for school improvement and in the process contribute to making schools beacons of hope. This research provides insights into how an NRF community engagement grant project team (HOPES) navigated external and internal factors such as COVID-19, rules regulating the grant, and multiple realities of the stakeholders at play. The study was qualitative and used the critical participatory action research design. The study purposively and conveniently sampled seven HOPES Project team members to collect data via focus groups and individual interviews and collected secondary data from NRF HOPES annual project reports. The study findings improved the participants' understanding of their journey, and the co-generated knowledge shed light on how NFR and community engagement grant funders could promote enabling conditions towards achieving individual scholars and collective project outcomes. The study findings provide learnings for the Faculty of Education and the Nelson Mandela University on how extrinsic and intrinsic enablers and barriers can be addressed to optimise a project of this nature. , Thesis (MEd) -- Faculty of Education, School of Postgraduate Education, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Quvile, Xola Bulumko
- Date: 2024-12
- Subjects: National Research Foundation (South Africa) , Research grants -- South Africa , Education, Higher -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/68366 , vital:76990
- Description: The study had sought to understand the systemic and individual factors that facilitated or inhibited the NRF grant-funded HOPES Project. HOPES collaborated with the Centre for the Community School in the Faculty of Education, and various communities of practice (COPs) in existing school communities in the Eastern Cape Province of South Africa. The project applied a critical participatory action research work to develop a framework for school improvement and in the process contribute to making schools beacons of hope. This research provides insights into how an NRF community engagement grant project team (HOPES) navigated external and internal factors such as COVID-19, rules regulating the grant, and multiple realities of the stakeholders at play. The study was qualitative and used the critical participatory action research design. The study purposively and conveniently sampled seven HOPES Project team members to collect data via focus groups and individual interviews and collected secondary data from NRF HOPES annual project reports. The study findings improved the participants' understanding of their journey, and the co-generated knowledge shed light on how NFR and community engagement grant funders could promote enabling conditions towards achieving individual scholars and collective project outcomes. The study findings provide learnings for the Faculty of Education and the Nelson Mandela University on how extrinsic and intrinsic enablers and barriers can be addressed to optimise a project of this nature. , Thesis (MEd) -- Faculty of Education, School of Postgraduate Education, 2024
- Full Text:
- Date Issued: 2024-12
Collaborative conservation governance in multifunctional landscapes: a contextual analysis of two South African biosphere reserves in the Boland
- Authors: Klaver, Michael
- Date: 2024-12
- Subjects: Unesco -- Programme on Man and the Biosphere , Nature conservation -- South Africa , Biosphere
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/68924 , vital:77164
- Description: The Man and the Biosphere Programme (MAB) has been earmarked as one of the most promising ways of tackling the grand challenges of our time and achieving the Sustainable Development Goals. Furthermore, it may have the potential to make positive contributions to one of the most troubling conservation challenges of our time – winning spaces for large carnivores in human-dominated landscapes. This study aims to assess the interpretation and implementation of MAB in two South African Biosphere Reserves (BRs) and explore how BRs as landscape level collaborative initiatives can support Cape leopard conservation in the Boland region of the Western Cape, South Africa. This study is informed by two objectives. First, to understand how the chosen governance strategy and structure of two South African BRs have helped to achieve a context appropriate interpretation and actioning of MAB in the landscape. Second, to understand how landscape-level collaborative conservation initiatives support leopard conservation across a multifunctional landscape. This study takes on a mixed methods approach in which qualitative data takes priority and quantitative data is used for support in an embedded multiple-case study design. The sampling techniques used include purposive sampling of strategically targeted participants, i.e. those governing BRs and those leading the collaborative initiative and snowballing thereon. Data collection included a combination of semi-structure interviews (n=20) (the principal collection method), a review of archival, policy and other documents (n=15), and supported by a mixed methods survey questionnaire (n=5). Data were analysed through thematic and content analysis. Findings suggest that organisations working at a landscape-level utilise forms of adaptive co-management and/or governance as a means to being both adaptive and collaborative. Important themes which emerge include cross-sectoral approaches, networks, leadership and trust for building partnerships, shared visions and ‘filling gaps’ left by, or collaborating with the state to fulfil mutually beneficial objectives. This research provides empirical studies on MAB, important for sharing knowledge across the World Network of BRs, meeting the need for further research on collaborative initiatives in social-ecological systems and conservation programmes for large free-roaming carnivores in multifunctional landscapes. , Thesis (MSc) -- Faculty of Science, School of Natural Resource Science & Management, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Klaver, Michael
- Date: 2024-12
- Subjects: Unesco -- Programme on Man and the Biosphere , Nature conservation -- South Africa , Biosphere
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/68924 , vital:77164
- Description: The Man and the Biosphere Programme (MAB) has been earmarked as one of the most promising ways of tackling the grand challenges of our time and achieving the Sustainable Development Goals. Furthermore, it may have the potential to make positive contributions to one of the most troubling conservation challenges of our time – winning spaces for large carnivores in human-dominated landscapes. This study aims to assess the interpretation and implementation of MAB in two South African Biosphere Reserves (BRs) and explore how BRs as landscape level collaborative initiatives can support Cape leopard conservation in the Boland region of the Western Cape, South Africa. This study is informed by two objectives. First, to understand how the chosen governance strategy and structure of two South African BRs have helped to achieve a context appropriate interpretation and actioning of MAB in the landscape. Second, to understand how landscape-level collaborative conservation initiatives support leopard conservation across a multifunctional landscape. This study takes on a mixed methods approach in which qualitative data takes priority and quantitative data is used for support in an embedded multiple-case study design. The sampling techniques used include purposive sampling of strategically targeted participants, i.e. those governing BRs and those leading the collaborative initiative and snowballing thereon. Data collection included a combination of semi-structure interviews (n=20) (the principal collection method), a review of archival, policy and other documents (n=15), and supported by a mixed methods survey questionnaire (n=5). Data were analysed through thematic and content analysis. Findings suggest that organisations working at a landscape-level utilise forms of adaptive co-management and/or governance as a means to being both adaptive and collaborative. Important themes which emerge include cross-sectoral approaches, networks, leadership and trust for building partnerships, shared visions and ‘filling gaps’ left by, or collaborating with the state to fulfil mutually beneficial objectives. This research provides empirical studies on MAB, important for sharing knowledge across the World Network of BRs, meeting the need for further research on collaborative initiatives in social-ecological systems and conservation programmes for large free-roaming carnivores in multifunctional landscapes. , Thesis (MSc) -- Faculty of Science, School of Natural Resource Science & Management, 2024
- Full Text:
- Date Issued: 2024-12
Collaborative conservation governance in multifunctional landscapes: a contextual analysis of two South African Biosphere Reserves in the Boland
- Authors: Klaver, Michael
- Date: 2024-12
- Subjects: Unesco. -- Programme on Man and the Biosphere , Nature conservation -- South Africa , Social ecology
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/68918 , vital:77165
- Description: The Man and the Biosphere Programme (MAB) has been earmarked as one of the most promising ways of tackling the grand challenges of our time and achieving the Sustainable Development Goals. Furthermore, it may have the potential to make positive contributions to one of the most troubling conservation challenges of our time – winning spaces for large carnivores in human-dominated landscapes. This study aims to assess the interpretation and implementation of MAB in two South African Biosphere Reserves (BRs) and explore how BRs as landscape level collaborative initiatives can support Cape leopard conservation in the Boland region of the Western Cape, South Africa. This study is informed by two objectives. First, to understand how the chosen governance strategy and structure of two South African BRs have helped to achieve a context appropriate interpretation and actioning of MAB in the landscape. Second, to understand how landscape-level collaborative conservation initiatives support leopard conservation across a multifunctional landscape. This study takes on a mixed methods approach in which qualitative data takes priority and quantitative data is used for support in an embedded multiple-case study design. The sampling techniques used include purposive sampling of strategically targeted participants, i.e. those governing BRs and those leading the collaborative initiative and snowballing thereon. Data collection included a combination of semi-structure interviews (n=20) (the principal collection method), a review of archival, policy and other documents (n=15), and supported by a mixed methods survey questionnaire (n=5). Data were analysed through thematic and content analysis. Findings suggest that organisations working at a landscape-level utilise forms of adaptive co-management and/or governance as a means to being both adaptive and collaborative. Important themes which emerge include cross-sectoral approaches, networks, leadership and trust for building partnerships, shared visions and ‘filling gaps’ left by, or collaborating with the state to fulfil mutually beneficial objectives. This research provides empirical studies on MAB, important for sharing knowledge across the World Network of BRs, meeting the need for further research on collaborative initiatives in social-ecological systems and conservation programmes for large free-roaming carnivores in multifunctional landscapes. , Thesis (MSc) -- Faculty of Science, School of Environmental Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Klaver, Michael
- Date: 2024-12
- Subjects: Unesco. -- Programme on Man and the Biosphere , Nature conservation -- South Africa , Social ecology
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/68918 , vital:77165
- Description: The Man and the Biosphere Programme (MAB) has been earmarked as one of the most promising ways of tackling the grand challenges of our time and achieving the Sustainable Development Goals. Furthermore, it may have the potential to make positive contributions to one of the most troubling conservation challenges of our time – winning spaces for large carnivores in human-dominated landscapes. This study aims to assess the interpretation and implementation of MAB in two South African Biosphere Reserves (BRs) and explore how BRs as landscape level collaborative initiatives can support Cape leopard conservation in the Boland region of the Western Cape, South Africa. This study is informed by two objectives. First, to understand how the chosen governance strategy and structure of two South African BRs have helped to achieve a context appropriate interpretation and actioning of MAB in the landscape. Second, to understand how landscape-level collaborative conservation initiatives support leopard conservation across a multifunctional landscape. This study takes on a mixed methods approach in which qualitative data takes priority and quantitative data is used for support in an embedded multiple-case study design. The sampling techniques used include purposive sampling of strategically targeted participants, i.e. those governing BRs and those leading the collaborative initiative and snowballing thereon. Data collection included a combination of semi-structure interviews (n=20) (the principal collection method), a review of archival, policy and other documents (n=15), and supported by a mixed methods survey questionnaire (n=5). Data were analysed through thematic and content analysis. Findings suggest that organisations working at a landscape-level utilise forms of adaptive co-management and/or governance as a means to being both adaptive and collaborative. Important themes which emerge include cross-sectoral approaches, networks, leadership and trust for building partnerships, shared visions and ‘filling gaps’ left by, or collaborating with the state to fulfil mutually beneficial objectives. This research provides empirical studies on MAB, important for sharing knowledge across the World Network of BRs, meeting the need for further research on collaborative initiatives in social-ecological systems and conservation programmes for large free-roaming carnivores in multifunctional landscapes. , Thesis (MSc) -- Faculty of Science, School of Environmental Sciences, 2024
- Full Text:
- Date Issued: 2024-12
Communicating positive representations of wheelchair users’ disability identities through illustration and participatory design
- Authors: du Plessis, Amberleigh
- Date: 2024-12
- Subjects: People with disabilities , Group identity , Visual communication
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70297 , vital:78337
- Description: The study highlights the misrepresentation of people with disabilities in the media, and how it can lead to social exclusion of people with disabilities and misunderstanding of the disability identity. The research question involves disability representation, wheelchair-disabled identity, illustration and participatory design. The study focuses specifically on wheelchair disability and uses a participatory design approach, which allows for wheelchair users collectively to be part of the research. The three different models of disability, namely the medical model, the social model and the cultural model. The South African definition of disability is explored, and images and photographic examples of past representations of disability are examined to identify stereotypes, such as the freak, the medicalised disabled body and the pitiful victim. Positive illustrations, paintings and posters of people living with disabilities are analysed, focusing on physical disability and representation, which reveals that illustration can instil good staring habits from non-disabled viewers, to create a more inclusive society. A qualitative research approach is employed to gain a better understanding of a specific phenomenon. The specific phenomenon was the representation of wheelchair disability identities, and to untangle this, three research approaches were used, namely autoethnography, case studies and participatory design. A total of 10 wheelchair-disabled persons, from Cheshire Home Summerstrand in Gqeberha participated in the study. It was found that by involving participants in the practical development process, more positive illustrations of disability representation can be produced, allowing for clearer communication of the disability identity. The responses to the interview questions confirmed that people with disabilities believe that non-disabled people have misconceptions about the disability identity. The research thus aims to challenge these misconceptions and motivate more positive interpretations and understanding of the disability identity through visual communication. , Thesis (MVA) -- Faculty of Humanities, School of Visual and Performing Arts, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: du Plessis, Amberleigh
- Date: 2024-12
- Subjects: People with disabilities , Group identity , Visual communication
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/70297 , vital:78337
- Description: The study highlights the misrepresentation of people with disabilities in the media, and how it can lead to social exclusion of people with disabilities and misunderstanding of the disability identity. The research question involves disability representation, wheelchair-disabled identity, illustration and participatory design. The study focuses specifically on wheelchair disability and uses a participatory design approach, which allows for wheelchair users collectively to be part of the research. The three different models of disability, namely the medical model, the social model and the cultural model. The South African definition of disability is explored, and images and photographic examples of past representations of disability are examined to identify stereotypes, such as the freak, the medicalised disabled body and the pitiful victim. Positive illustrations, paintings and posters of people living with disabilities are analysed, focusing on physical disability and representation, which reveals that illustration can instil good staring habits from non-disabled viewers, to create a more inclusive society. A qualitative research approach is employed to gain a better understanding of a specific phenomenon. The specific phenomenon was the representation of wheelchair disability identities, and to untangle this, three research approaches were used, namely autoethnography, case studies and participatory design. A total of 10 wheelchair-disabled persons, from Cheshire Home Summerstrand in Gqeberha participated in the study. It was found that by involving participants in the practical development process, more positive illustrations of disability representation can be produced, allowing for clearer communication of the disability identity. The responses to the interview questions confirmed that people with disabilities believe that non-disabled people have misconceptions about the disability identity. The research thus aims to challenge these misconceptions and motivate more positive interpretations and understanding of the disability identity through visual communication. , Thesis (MVA) -- Faculty of Humanities, School of Visual and Performing Arts, 2024
- Full Text:
- Date Issued: 2024-12
Comparative study of the effect of iloprost on neuroinflammatory changes in c8-b4 microglial cells and murine model of trypanosomiasis
- Authors: Jacobs, Ashleigh
- Date: 2024-12
- Subjects: Neuroimmunology , DNA -- Methylation , Nervous system -- Degeneration
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/68895 , vital:77160
- Description: Neurodegenerative conditions significantly impact well-being and quality of life in individuals with major symptoms including mood disorders, cognitive decline, and psychiatric disturbances, often resulting from neuroinflammation triggered by immune responses to bacterial or parasitic infections such as gram-negative bacteria or Human African Trypanosomiasis. Microglia play a crucial role in both neurotoxicity and cellular processes involved in restoring the neural health. Exploring the therapeutic potential of prostacyclin and its analogues in regulating microglia responses to inflammatory insult and treating Trypanosoma brucei (T.b) infection remains an unexplored area. The aim of this study was to assess the potential neuroprotective effects of Iloprost through comparative analysis of neuroinflammatory responses in both microglial cells exposed to lipopolysaccharide (LPS) and mouse brains infected with T.b brucei. In phase I of this study both resting and LPS treated C8-B4 microglial cells were exposed to varying concentrations of Iloprost. The effects of Iloprost on LPS-induced inflammation were analysed using immunofluorescence to detect microglial activation and differentiate between pro and anti-inflammatory phenotypes. Furthermore, pro and anti-inflammatory cytokine secretion was determined using an ELISA, in addition gene expression analysis was carried out using quantitative polymerase chain reaction (qPCR). Also, DNA methylation status of C8-B4 cells exposed to LPS challenge alone or in combination with various concentrations of Iloprost were determined using bisulfite sequencing technique followed by qPCR. In phase II of the study, a total of twenty-four Albino Swiss male mice (8-10 weeks old) were divided into four treatment groups with 6 mice in each group. All treatment groups except the non-infected control were inoculated with the T.b brucei parasite. One group received a single intraperitoneal injection of Diminazene aceturate (4 mg kg-1)while the remaining group received repeated intraperitoneal injections of Iloprost (200 μg kg-1). On day ten of the study, mouse brains were removed on ice using forceps. The hippocampal tissues were dissected out and processed for quantification of gene expression changes in pro and anti-inflammatory cytokines. Overall, the findings of this study indicate that LPS-induced pro-inflammatory cytokine, TNF-α and IL-1β, secretion and gene expression is down-regulated in C8-B4 microglial cells treated with Iloprost. Furthermore, there was a significant up-regulation in the expression of anti-inflammatory genes, particularly ARG-1, CD206, BDNF and CREB in response to Iloprost treatment following LPS-induced inflammation. This study is also the first to confirm M2 microglial polarization with Iloprost treatment in both resting and LPS treated cells. However, hypermethylation at CREB and BDNF promoter regions was observed 24 hours after Iloprost treatment. Additionally, Iloprost reversed hypomethylation at the BDNF promoter region that had been induced by LPS treatment. The rodent model also indicated a downregulation in the pro-inflammatory cytokine, IL-1β, expression and upregulation of BDNF transcription in T.b brucei infected mice treated with repeated doses of Iloprost. In conclusion, determining the immunomodulatory roles of Iloprost in both in vitro and in vivo models of neuroinflammation could assist in the development of alternative therapy for neurodegenerative disease. , Thesis (MSc) -- Faculty of Science, School of Biomolecular & Chemical Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Jacobs, Ashleigh
- Date: 2024-12
- Subjects: Neuroimmunology , DNA -- Methylation , Nervous system -- Degeneration
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/68895 , vital:77160
- Description: Neurodegenerative conditions significantly impact well-being and quality of life in individuals with major symptoms including mood disorders, cognitive decline, and psychiatric disturbances, often resulting from neuroinflammation triggered by immune responses to bacterial or parasitic infections such as gram-negative bacteria or Human African Trypanosomiasis. Microglia play a crucial role in both neurotoxicity and cellular processes involved in restoring the neural health. Exploring the therapeutic potential of prostacyclin and its analogues in regulating microglia responses to inflammatory insult and treating Trypanosoma brucei (T.b) infection remains an unexplored area. The aim of this study was to assess the potential neuroprotective effects of Iloprost through comparative analysis of neuroinflammatory responses in both microglial cells exposed to lipopolysaccharide (LPS) and mouse brains infected with T.b brucei. In phase I of this study both resting and LPS treated C8-B4 microglial cells were exposed to varying concentrations of Iloprost. The effects of Iloprost on LPS-induced inflammation were analysed using immunofluorescence to detect microglial activation and differentiate between pro and anti-inflammatory phenotypes. Furthermore, pro and anti-inflammatory cytokine secretion was determined using an ELISA, in addition gene expression analysis was carried out using quantitative polymerase chain reaction (qPCR). Also, DNA methylation status of C8-B4 cells exposed to LPS challenge alone or in combination with various concentrations of Iloprost were determined using bisulfite sequencing technique followed by qPCR. In phase II of the study, a total of twenty-four Albino Swiss male mice (8-10 weeks old) were divided into four treatment groups with 6 mice in each group. All treatment groups except the non-infected control were inoculated with the T.b brucei parasite. One group received a single intraperitoneal injection of Diminazene aceturate (4 mg kg-1)while the remaining group received repeated intraperitoneal injections of Iloprost (200 μg kg-1). On day ten of the study, mouse brains were removed on ice using forceps. The hippocampal tissues were dissected out and processed for quantification of gene expression changes in pro and anti-inflammatory cytokines. Overall, the findings of this study indicate that LPS-induced pro-inflammatory cytokine, TNF-α and IL-1β, secretion and gene expression is down-regulated in C8-B4 microglial cells treated with Iloprost. Furthermore, there was a significant up-regulation in the expression of anti-inflammatory genes, particularly ARG-1, CD206, BDNF and CREB in response to Iloprost treatment following LPS-induced inflammation. This study is also the first to confirm M2 microglial polarization with Iloprost treatment in both resting and LPS treated cells. However, hypermethylation at CREB and BDNF promoter regions was observed 24 hours after Iloprost treatment. Additionally, Iloprost reversed hypomethylation at the BDNF promoter region that had been induced by LPS treatment. The rodent model also indicated a downregulation in the pro-inflammatory cytokine, IL-1β, expression and upregulation of BDNF transcription in T.b brucei infected mice treated with repeated doses of Iloprost. In conclusion, determining the immunomodulatory roles of Iloprost in both in vitro and in vivo models of neuroinflammation could assist in the development of alternative therapy for neurodegenerative disease. , Thesis (MSc) -- Faculty of Science, School of Biomolecular & Chemical Sciences, 2024
- Full Text:
- Date Issued: 2024-12
Conflict management mechanisms for workplace harassment: a case study of a provincial government department of basic education in Johannesburg, South Africa
- Authors: Monakali, Robin
- Date: 2024-12
- Subjects: Conflict management -- South Africa , Bullying in the workplace , Harassment
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/70353 , vital:78342
- Description: Workplace harassment remains a significant concern globally, affecting organizational culture and employee well-being. This study aims to develop an integrated conflict management framework to manage workplace harassment in a selected provincial government department in Johannesburg, Gauteng province. The theoretical frameworks guiding this study included organizational theory, socio-cultural theory, and intersectional feminism. Through a mixed methods approach, which involved combining qualitative and quantitative research methods, this research examines the mechanisms in place to deal with workplace harassment in a selected provincial government department. The qualitative research method that was used comprised online, semi-structured, individual interviews with four Human Resource managers, four departmental managers, four line managers and four non-management employees and the quantitative research method involved the completion of self-administered questionnaires by 153 employees from the provincial government department. The researcher used a purposive sampling design for the interviews and simple random sampling for the questionnaires. The findings reveal that the department has internal structures in place to address harassment, yet a gap that was identified was the implementation and application of the policy as many cases go underreported or unresolved. A novel, integrated conflict management framework was developed, which emphasizes both prevention and intervention strategies to deal with workplace harassment. This study adds to existing knowledge of workplace harassment and can also serve as a reference point for further research undertaken by individuals, policymakers, and scholars. , Thesis (PhD) -- Faculty of Humanities, School of Governmental and Social Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Monakali, Robin
- Date: 2024-12
- Subjects: Conflict management -- South Africa , Bullying in the workplace , Harassment
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/70353 , vital:78342
- Description: Workplace harassment remains a significant concern globally, affecting organizational culture and employee well-being. This study aims to develop an integrated conflict management framework to manage workplace harassment in a selected provincial government department in Johannesburg, Gauteng province. The theoretical frameworks guiding this study included organizational theory, socio-cultural theory, and intersectional feminism. Through a mixed methods approach, which involved combining qualitative and quantitative research methods, this research examines the mechanisms in place to deal with workplace harassment in a selected provincial government department. The qualitative research method that was used comprised online, semi-structured, individual interviews with four Human Resource managers, four departmental managers, four line managers and four non-management employees and the quantitative research method involved the completion of self-administered questionnaires by 153 employees from the provincial government department. The researcher used a purposive sampling design for the interviews and simple random sampling for the questionnaires. The findings reveal that the department has internal structures in place to address harassment, yet a gap that was identified was the implementation and application of the policy as many cases go underreported or unresolved. A novel, integrated conflict management framework was developed, which emphasizes both prevention and intervention strategies to deal with workplace harassment. This study adds to existing knowledge of workplace harassment and can also serve as a reference point for further research undertaken by individuals, policymakers, and scholars. , Thesis (PhD) -- Faculty of Humanities, School of Governmental and Social Sciences, 2024
- Full Text:
- Date Issued: 2024-12
Criteria for effective short-term rental business venture property selection in Nelson Mandela Bay
- Authors: Theunissen, Melanie
- Date: 2024-12
- Subjects: Real estate investment -- Rental property -- South Africa , Property investment -- Real estate business -- South Africa , Small business -- Management
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/69890 , vital:78143
- Description: Short-term rental (STR) accommodations thrive in the online sharing economy and are influenced by market trends and regulations and vary in location. Success hinges on careful planning, continuous management and fulfilling guest expectations. There is limited research on the types of properties that succeed in the STR business. Additionally, STR’s are regulated, competitive and entail financial planning which can offer both lucrative income potential and high expenses. This treatise is an effort to evaluate the criteria for property selection for STR’s as a business in Nelson Mandela Bay. The research approach for this study is positivistic. A literature review has been conducted to determine the existing status of STR studies relating to the business industry. The literature review allowed the formation of criteria which was tested with quantitative methods consisting of data collection, a questionnaire and an analysis of the statistics. This assessment clearly supported STR as a viable business venture. Based on the research study, criteria were created to help STR owners select the right property for STR. The four main considerations in STR accommodation business in this criteria framework included location, type and size of the property, features and amenities and safety and security. The research confirmed that in the STR market, these variables are proposed as key focal point for business owners to focus on and to positively affect the types of property that are purchased to grow the STR business. As a result, create favourable bottom line returns. In agreement with the literature that is reviewed and the outcomes of this treatise, by effectively addressing the criteria, the business owners of STR’s will create a criteria model that is helpful to purchase the most suitable property for a STR business. Certain key findings from the research found it to be true that you can improve property selection decision making through the identification of relevant criteria that can assist STR business investors and managers. It is proposed that the criteria is examined to provide further advancement to the STR industry. The recommendations include further improving the criteria by providing additional information about the STR business behaviours connected to each variable and increasing the scope of the study to more than just one sample from mainly the Eastern Cape in South Africa. , Thesis (MBA) -- Faculty Business and Economic Sciences, Business School, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Theunissen, Melanie
- Date: 2024-12
- Subjects: Real estate investment -- Rental property -- South Africa , Property investment -- Real estate business -- South Africa , Small business -- Management
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/69890 , vital:78143
- Description: Short-term rental (STR) accommodations thrive in the online sharing economy and are influenced by market trends and regulations and vary in location. Success hinges on careful planning, continuous management and fulfilling guest expectations. There is limited research on the types of properties that succeed in the STR business. Additionally, STR’s are regulated, competitive and entail financial planning which can offer both lucrative income potential and high expenses. This treatise is an effort to evaluate the criteria for property selection for STR’s as a business in Nelson Mandela Bay. The research approach for this study is positivistic. A literature review has been conducted to determine the existing status of STR studies relating to the business industry. The literature review allowed the formation of criteria which was tested with quantitative methods consisting of data collection, a questionnaire and an analysis of the statistics. This assessment clearly supported STR as a viable business venture. Based on the research study, criteria were created to help STR owners select the right property for STR. The four main considerations in STR accommodation business in this criteria framework included location, type and size of the property, features and amenities and safety and security. The research confirmed that in the STR market, these variables are proposed as key focal point for business owners to focus on and to positively affect the types of property that are purchased to grow the STR business. As a result, create favourable bottom line returns. In agreement with the literature that is reviewed and the outcomes of this treatise, by effectively addressing the criteria, the business owners of STR’s will create a criteria model that is helpful to purchase the most suitable property for a STR business. Certain key findings from the research found it to be true that you can improve property selection decision making through the identification of relevant criteria that can assist STR business investors and managers. It is proposed that the criteria is examined to provide further advancement to the STR industry. The recommendations include further improving the criteria by providing additional information about the STR business behaviours connected to each variable and increasing the scope of the study to more than just one sample from mainly the Eastern Cape in South Africa. , Thesis (MBA) -- Faculty Business and Economic Sciences, Business School, 2024
- Full Text:
- Date Issued: 2024-12
Economic diversification and socio-economic development: a case of Namibia
- Authors: Fikunawa, Brigitte
- Date: 2024-12
- Subjects: Diversification in industry , Economic development -- Namibia , Namibia -- Economic conditions
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/70264 , vital:78334
- Description: Economic diversification has been at the forefront of many countries’ socio-economic development agendas, especially resource-rich developing countries. It is seen as a tool for attaining socio-economic development. After independence as a strategy to resolve socio-economic challenges, most developing economies like Namibia implemented policies and strategies enabling economic diversification. This study provides an empirical analysis of Namibia’s economic diversification and socio-economic development between 1990 and 2021. The study used a concurrent mixed research methodology involving quantitative secondary and qualitative interview-based primary data to assist in filling any gaps left by either methodology. The interviews helped expand and validate the secondary data results. The quantitative component of the study focuses on determining the level of economic diversification, the drivers of that diversification and the effect of economic diversification on socio-economic development. The study used the Tress and Ogive indices to proxy for economic diversification, while employment, poverty reduction and economic growth represent socio-economic development. Reading from these economic diversification measures, Namibia’s economy is relatively diversified but remains in the initial stage, with Tress and Ogive indices levels of 48.09/6.03. The study also found that in the long run, foreign direct investment (FDI), education and institutional quality lead to increased economic diversification while inflation discourage economic diversification. In the short run, FDI and education enhances diversification while inflation, financial sector development and earnings from natural resources lead to a decline in economic diversification. In examining the effect of economic diversification on socio-economic development, the results show that it has a positive influence on employment creation, poverty reduction and economic growth in the long and the short term. So overall the study found that economic diversification contributes positively to socio-economic development. To validate the quantitative results, six senior executives from five entities which includes ministries, government agencies and the private sector were selected purposively for interviews on their perception of economic diversification in Namibia and the data were analysed thematically. The results were inconclusive with regard to the effectiveness of the enabling policies. The participants agreed the enabling policies had contributed to employment, poverty reduction, income equality and economic growth. However, more needs to be done, like creating value chain-connected sectors that create seasonal employment, for the contribution to be sustainable. The study also found that the cost of doing business (mainly taxation and the cost of water and electricity); policies and institutional frameworks (like immigration, trade and investment laws); competitiveness of the economy in terms of its size, quality of human capital, manufacturing capacity and economic uncertainty are the leading challenges affecting the progress of Namibia’s economic diversification process. This researcher drew up several recommendations for the Namibian government to continue enhancing economic diversification to address the socio-economic challenges of unemployment, poverty and income inequality through investment in productive areas of the manufacturing and services sectors which can contribute to growth and employment. The government also needs to address the challenges hindering the progress of economic diversification in the country to create an environment that can foster economic diversification. The study recommends targeted intervention to enhance the attractiveness of other sectors so as to wean the economy off its high dependence on the primary sector through the provision of both fiscal and non-fiscal incentives. The required human capital development should be harnessed through investment in capabilities like vocational skills that are needed for economic diversification and socio-economic development to be achieved. Good governance should be attained by fighting corruption to enhance investment confidence. It further recommends that Namibia ratifies and implement the SADC protocol on trade and the African Continental Free Trade Area (AfCFTA) agreement to increase market accessibility and address the country’s market size, which is currently uncompetitive for investment. , Thesis (PhD) -- Faculty of Business and Economic Sciences, School of Economics, Development and Tourism, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Fikunawa, Brigitte
- Date: 2024-12
- Subjects: Diversification in industry , Economic development -- Namibia , Namibia -- Economic conditions
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/70264 , vital:78334
- Description: Economic diversification has been at the forefront of many countries’ socio-economic development agendas, especially resource-rich developing countries. It is seen as a tool for attaining socio-economic development. After independence as a strategy to resolve socio-economic challenges, most developing economies like Namibia implemented policies and strategies enabling economic diversification. This study provides an empirical analysis of Namibia’s economic diversification and socio-economic development between 1990 and 2021. The study used a concurrent mixed research methodology involving quantitative secondary and qualitative interview-based primary data to assist in filling any gaps left by either methodology. The interviews helped expand and validate the secondary data results. The quantitative component of the study focuses on determining the level of economic diversification, the drivers of that diversification and the effect of economic diversification on socio-economic development. The study used the Tress and Ogive indices to proxy for economic diversification, while employment, poverty reduction and economic growth represent socio-economic development. Reading from these economic diversification measures, Namibia’s economy is relatively diversified but remains in the initial stage, with Tress and Ogive indices levels of 48.09/6.03. The study also found that in the long run, foreign direct investment (FDI), education and institutional quality lead to increased economic diversification while inflation discourage economic diversification. In the short run, FDI and education enhances diversification while inflation, financial sector development and earnings from natural resources lead to a decline in economic diversification. In examining the effect of economic diversification on socio-economic development, the results show that it has a positive influence on employment creation, poverty reduction and economic growth in the long and the short term. So overall the study found that economic diversification contributes positively to socio-economic development. To validate the quantitative results, six senior executives from five entities which includes ministries, government agencies and the private sector were selected purposively for interviews on their perception of economic diversification in Namibia and the data were analysed thematically. The results were inconclusive with regard to the effectiveness of the enabling policies. The participants agreed the enabling policies had contributed to employment, poverty reduction, income equality and economic growth. However, more needs to be done, like creating value chain-connected sectors that create seasonal employment, for the contribution to be sustainable. The study also found that the cost of doing business (mainly taxation and the cost of water and electricity); policies and institutional frameworks (like immigration, trade and investment laws); competitiveness of the economy in terms of its size, quality of human capital, manufacturing capacity and economic uncertainty are the leading challenges affecting the progress of Namibia’s economic diversification process. This researcher drew up several recommendations for the Namibian government to continue enhancing economic diversification to address the socio-economic challenges of unemployment, poverty and income inequality through investment in productive areas of the manufacturing and services sectors which can contribute to growth and employment. The government also needs to address the challenges hindering the progress of economic diversification in the country to create an environment that can foster economic diversification. The study recommends targeted intervention to enhance the attractiveness of other sectors so as to wean the economy off its high dependence on the primary sector through the provision of both fiscal and non-fiscal incentives. The required human capital development should be harnessed through investment in capabilities like vocational skills that are needed for economic diversification and socio-economic development to be achieved. Good governance should be attained by fighting corruption to enhance investment confidence. It further recommends that Namibia ratifies and implement the SADC protocol on trade and the African Continental Free Trade Area (AfCFTA) agreement to increase market accessibility and address the country’s market size, which is currently uncompetitive for investment. , Thesis (PhD) -- Faculty of Business and Economic Sciences, School of Economics, Development and Tourism, 2024
- Full Text:
- Date Issued: 2024-12
Effects of supply chain disruptions on alcohol consumption behaviour in a South African township
- Authors: Sipamla, Noluthando
- Date: 2024-12
- Subjects: Business logistics , Inventory control , Alcoholism
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/69913 , vital:78172
- Description: This study investigated the effect of supply chain disruptions on alcohol consumer consumption behaviour in the Eastern Cape Province, but with the specific reference to Mdantsane Township in the Buffalo City Municipality. A quantitative methodology was employed, and self-administered questionnaires were used to collect data. The results of the study revealed that: disruptions increase the risk of the company; disruptions have a significant negative impact on profitability; disruptions have a crippling effect on performance because firms take longer to recover from disruptions; and disruptions have a negative impact on stock price, profitability, and share price volatility across the board. The study recommends diversification of alcohol supply chains to mitigate the impact of disruptions, establish robust monitoring and surveillance systems to track changes in alcohol consumption patterns following supply chain disruptions and consider implementing price regulation and taxation policies to moderate alcohol consumption, particularly during periods of supply chain disruptions. , Thesis (MBA) -- Faculty of Business and Economic Sciences, Business School, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Sipamla, Noluthando
- Date: 2024-12
- Subjects: Business logistics , Inventory control , Alcoholism
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/69913 , vital:78172
- Description: This study investigated the effect of supply chain disruptions on alcohol consumer consumption behaviour in the Eastern Cape Province, but with the specific reference to Mdantsane Township in the Buffalo City Municipality. A quantitative methodology was employed, and self-administered questionnaires were used to collect data. The results of the study revealed that: disruptions increase the risk of the company; disruptions have a significant negative impact on profitability; disruptions have a crippling effect on performance because firms take longer to recover from disruptions; and disruptions have a negative impact on stock price, profitability, and share price volatility across the board. The study recommends diversification of alcohol supply chains to mitigate the impact of disruptions, establish robust monitoring and surveillance systems to track changes in alcohol consumption patterns following supply chain disruptions and consider implementing price regulation and taxation policies to moderate alcohol consumption, particularly during periods of supply chain disruptions. , Thesis (MBA) -- Faculty of Business and Economic Sciences, Business School, 2024
- Full Text:
- Date Issued: 2024-12
Exploiting continuous flow technology to develop synthetic processes for active pharmaceutical ingredients: prilocaine and betrixaban
- Authors: Sagandira, Mellisa Brenda
- Date: 2024-12
- Subjects: Pharmaceutical technology , Drug development , Pharmaceutical biotechnology
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/69464 , vital:77259
- Description: The dilemma of providing affordable health care has long haunted African countries due to the continuously growing disease burden as the population increases. Africa accounts for only 3 % of global drug production and imports over 90 % of its life saving medicines at a yearly cost of US$14 billion according to the African Development Bank (AfDB). Attaining Africa’s Agenda 2063, Universal Health Coverage (UHC) and Sustainable development Goal 3 (SDG3) aspirations of ensuring healthy and well-nourished citizens remain difficult given this situation. This over-dependence on imports has led to drug shortages, high pricing, poor quality medicines and unguaranteed supply chains, thus there still remains an unmet need. The advent of the COVID-19 pandemic worsened this situation as many countries curbed exports resulting in a crisis across the continent. Africa experienced high demand of medicines compared to prepandemic level, which threatened the health care of the continent. This situation can be addressed by establishment of local pharmaceutical manufacturing capability through adoption of advanced manufacturing technologies such as continuous flow chemistry. In this research, we therefore seek to exploit continuous flow chemistry, an enabling technology to develop safe and efficient synthetic processes for active pharmaceutical ingredients: prilocaine and betrixaban as case studies. To the best of our knowledge there is no reported work on synthetic processes towards prilocaine and betrixaban under continuous flow conditions, thus this research extensively unearthed interesting continuous flow processes towards these APIs. In a broader view, establishment of local APIs production will ease Africa’s over-dependence on imports, which will in turn address issues such as drug shortages, poor quality and high pricing. This work aims to demonstrate how continuous flow technology can be useful for the establishment of local APIs manufacturing, which will inherently revolutionize medicines availability, affordability and accessibility to the greater population. Chapter one begins with a brief overview on Africa’s disease burden and pharmaceutical supply chain. Continuous flow chemistry is introduced with its benefits and limitations discussed. Lastly a mini review of examples of APIs synthesised in continuous flow is presented. In chapter two, we demonstrate how continuous flow technology can be exploited to develop synthetic processes towards prilocaine as our first case study. This chapter clearly demonstrates how highly exothermic nitration reactions can be safely handled by using continuous flow systems. Additionally, the use of a micro structured mixer facilitated biphasic nitration of toluene to be carried out with enhanced mass transfer, which inherently led to improved selectivity of ortho-nitrotoluene (preferred isomer) to 79 % compared to 59 % achieved in batch mode. A two-step synthesis of ortho-toluidine via biphasic nitration of toluene and nitroreduction was demonstrated with the incorporation of a Zaiput liquid/liquid separator to facilitate in-line separation. Comprehensive optimisation studies were carried out in flow. Prilocaine was synthesised in 74 % overall yield in a 13.6 min residence time for all processes. In chapter three, we demonstrate how continuous flow technology can be exploited to develop synthetic processes towards betrixaban. Synthetic routes towards betrixaban feature two amide bond formation transformations. Pleasingly, we explored multistep chemistry to develop amide synthesis protocols in flow without interruption for work up and isolation. An overall yield of 92 % was achieved to get to key intermediate to betrixaban in 8 min total residence time. Chapter four demonstrates the robustness of developed amide synthesis protocols, a key transformation in synthetic routes towards prilocaine and betrixaban in continuous flow systems. A total of 22 amides were synthesised via flow multistep processes with isolated yields greater than 82 %. All the compounds were characterized using infrared spectroscopy (IR), and nuclear magnetic resonance (NMR). Quantification of the reaction mixtures were carried out using highperformance liquid chromatography (HPLC) and gas chromatography (GC). , Thesis (PhD) -- Faculty of Science, School of Biomolecular & Chemical Sciences, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Sagandira, Mellisa Brenda
- Date: 2024-12
- Subjects: Pharmaceutical technology , Drug development , Pharmaceutical biotechnology
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/69464 , vital:77259
- Description: The dilemma of providing affordable health care has long haunted African countries due to the continuously growing disease burden as the population increases. Africa accounts for only 3 % of global drug production and imports over 90 % of its life saving medicines at a yearly cost of US$14 billion according to the African Development Bank (AfDB). Attaining Africa’s Agenda 2063, Universal Health Coverage (UHC) and Sustainable development Goal 3 (SDG3) aspirations of ensuring healthy and well-nourished citizens remain difficult given this situation. This over-dependence on imports has led to drug shortages, high pricing, poor quality medicines and unguaranteed supply chains, thus there still remains an unmet need. The advent of the COVID-19 pandemic worsened this situation as many countries curbed exports resulting in a crisis across the continent. Africa experienced high demand of medicines compared to prepandemic level, which threatened the health care of the continent. This situation can be addressed by establishment of local pharmaceutical manufacturing capability through adoption of advanced manufacturing technologies such as continuous flow chemistry. In this research, we therefore seek to exploit continuous flow chemistry, an enabling technology to develop safe and efficient synthetic processes for active pharmaceutical ingredients: prilocaine and betrixaban as case studies. To the best of our knowledge there is no reported work on synthetic processes towards prilocaine and betrixaban under continuous flow conditions, thus this research extensively unearthed interesting continuous flow processes towards these APIs. In a broader view, establishment of local APIs production will ease Africa’s over-dependence on imports, which will in turn address issues such as drug shortages, poor quality and high pricing. This work aims to demonstrate how continuous flow technology can be useful for the establishment of local APIs manufacturing, which will inherently revolutionize medicines availability, affordability and accessibility to the greater population. Chapter one begins with a brief overview on Africa’s disease burden and pharmaceutical supply chain. Continuous flow chemistry is introduced with its benefits and limitations discussed. Lastly a mini review of examples of APIs synthesised in continuous flow is presented. In chapter two, we demonstrate how continuous flow technology can be exploited to develop synthetic processes towards prilocaine as our first case study. This chapter clearly demonstrates how highly exothermic nitration reactions can be safely handled by using continuous flow systems. Additionally, the use of a micro structured mixer facilitated biphasic nitration of toluene to be carried out with enhanced mass transfer, which inherently led to improved selectivity of ortho-nitrotoluene (preferred isomer) to 79 % compared to 59 % achieved in batch mode. A two-step synthesis of ortho-toluidine via biphasic nitration of toluene and nitroreduction was demonstrated with the incorporation of a Zaiput liquid/liquid separator to facilitate in-line separation. Comprehensive optimisation studies were carried out in flow. Prilocaine was synthesised in 74 % overall yield in a 13.6 min residence time for all processes. In chapter three, we demonstrate how continuous flow technology can be exploited to develop synthetic processes towards betrixaban. Synthetic routes towards betrixaban feature two amide bond formation transformations. Pleasingly, we explored multistep chemistry to develop amide synthesis protocols in flow without interruption for work up and isolation. An overall yield of 92 % was achieved to get to key intermediate to betrixaban in 8 min total residence time. Chapter four demonstrates the robustness of developed amide synthesis protocols, a key transformation in synthetic routes towards prilocaine and betrixaban in continuous flow systems. A total of 22 amides were synthesised via flow multistep processes with isolated yields greater than 82 %. All the compounds were characterized using infrared spectroscopy (IR), and nuclear magnetic resonance (NMR). Quantification of the reaction mixtures were carried out using highperformance liquid chromatography (HPLC) and gas chromatography (GC). , Thesis (PhD) -- Faculty of Science, School of Biomolecular & Chemical Sciences, 2024
- Full Text:
- Date Issued: 2024-12
Exploring children’s understandings of gender using critical literacy in a reading club
- Jansen, Lincoln Lee, Surname, name
- Authors: Jansen, Lincoln Lee , Surname, name
- Date: 2024-12
- Subjects: Book clubs (Discussion groups) -- South Africa , Literacy -- Study and teaching (Elementary) , Literacy -- Study and teaching (Middle school)
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/68333 , vital:76976
- Description: School literacy practices have always favoured traditional, gender stereotypical portrayals of characters in books. These portrayals are not troublesome as it helps children build a sense of identity. However, these portrayals often fail to represent people in more diverse ways and thus does not reflect how societies have progressed. These narrow portrayals are also often limiting and do not take into consideration people’s personal interests which can lead to them being ostracised and marginalised. The People’s Republic of China is the context for this study where traditional, conservative views are upheld about ways of being and doing for males and females. This is a qualitative study within the interpretivist paradigm which recognised the individual perceptions of participants within their specific sociocultural context. By establishing a reading club as a Third Space for literacy engagement, this study sought to explore how grade 2 learners at a school in Beijing, China responded to traditional and diverse portrayals of characters in books. This study regarded the establishment of a reading club as an empowering practice as it allowed a safe space for the participants to freely share their deliberations about ways of being in the world. Coupled with critical literacy as a practice, participants took a critical stance in instances of gender bias and injustices and in doing so, allowed them to accentuate their morality. Findings of this study suggest that the Chinese participants had very flexible ideas about ways of being and doing in the world as long as these did not conflict with their understandings of the law. Participants also upheld that gender performances and gendered behaviour are open to all with impunity. The findings of this study also highlight the importance of providing diverse literature to children as this helps them to deal with, and examine, issues they might not ordinarily encounter in a safe way and in doing so, expand their worldviews and cultivate empathy. , Thesis (PhD) -- Faculty of Education, School of Primary Schooling, 2024
- Full Text:
- Date Issued: 2024-12
- Authors: Jansen, Lincoln Lee , Surname, name
- Date: 2024-12
- Subjects: Book clubs (Discussion groups) -- South Africa , Literacy -- Study and teaching (Elementary) , Literacy -- Study and teaching (Middle school)
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/68333 , vital:76976
- Description: School literacy practices have always favoured traditional, gender stereotypical portrayals of characters in books. These portrayals are not troublesome as it helps children build a sense of identity. However, these portrayals often fail to represent people in more diverse ways and thus does not reflect how societies have progressed. These narrow portrayals are also often limiting and do not take into consideration people’s personal interests which can lead to them being ostracised and marginalised. The People’s Republic of China is the context for this study where traditional, conservative views are upheld about ways of being and doing for males and females. This is a qualitative study within the interpretivist paradigm which recognised the individual perceptions of participants within their specific sociocultural context. By establishing a reading club as a Third Space for literacy engagement, this study sought to explore how grade 2 learners at a school in Beijing, China responded to traditional and diverse portrayals of characters in books. This study regarded the establishment of a reading club as an empowering practice as it allowed a safe space for the participants to freely share their deliberations about ways of being in the world. Coupled with critical literacy as a practice, participants took a critical stance in instances of gender bias and injustices and in doing so, allowed them to accentuate their morality. Findings of this study suggest that the Chinese participants had very flexible ideas about ways of being and doing in the world as long as these did not conflict with their understandings of the law. Participants also upheld that gender performances and gendered behaviour are open to all with impunity. The findings of this study also highlight the importance of providing diverse literature to children as this helps them to deal with, and examine, issues they might not ordinarily encounter in a safe way and in doing so, expand their worldviews and cultivate empathy. , Thesis (PhD) -- Faculty of Education, School of Primary Schooling, 2024
- Full Text:
- Date Issued: 2024-12