The incorporation of smart production in future factories within the fourth industrial revolution towards 2030
- Authors: Abdoll, Delicia Megan
- Date: 2020
- Subjects: Manufacturing industry
- Language: English
- Type: Thesis , Masters , Degree
- Identifier: http://hdl.handle.net/10948/47521 , vital:40123
- Description: Industry 4.0 is impressively creating a lasting impact on the manufacturing industry and on the industry outlook on the benefits of the implementation of new technology. The concept currently trending entails merging cyber systems, the Internet of Things, and the Internet of Systems all together to construct the revolutionary ‘Smart Factories’. The use of advanced technologies brings about new methodologies to improve the results of manufacturing. Complex activities will be performed by machines equipped in using intelligent information systems and new technology to improve productivity, enhance quality, and reduce costs of manufacturing products. South Africa is at the height of the ‘Fourth Industrial Revolution’ (4IR) which will essentially change the way we work. This innovative rubric of high-tech modernisation is characterised by a merging of technologies from the physical, digital, biological, and neuro-technological spheres. The hesitation over jobs being substituted with co-bots, a robot envisioned to actually cooperate with humans in a communal workplace, is profound. Skills volatility is estimated to affect all industries. There are uncertainties that the underprivileged and non-skilled would be thrust into an even profounder deficiency with the upsurge of the digital age. Organisations regard robotics and modern technology as strategic corporate tools that are utilised to enhance short- and long-term profitability and achieve operating goals. In dissimilarity, the application of robotics and modern technology in the place of work increases labour stability concerns, anxiety of downsizings and terminations within the workforce. The purpose of this research was to heighten the comprehension of smart factories in the manufacturing industry by conclusively embracing a methodical examination of the factors which influence the outlook of those involved concerning smart factory implementation and also of assessing the readiness of the South African manufacturing industry for 4IR towards 2030. The ‘golden thread’ running through the study is the significance of the impact of the 4IR on the workforce and the creation of new jobs for the future, the reskilling of the workforce and the enhancement of capabilities of future factories in embracing the implementation and the incorporation of advanced manufacturing principles in production processes. This must form a substantial consideration in the preparation of the vision of the “Incorporation of smart production in future factories within the fourth industrial revolution towards 2030”. The results of the in-depth analysis of future studies practice and theory in this research study give credibility to the argument that the way in which planning for the future of the 4IR in the South African context is taking place requires insightful adaptation by all stakeholders. The development of new insights through the application of futures studies is vital to this planning process, as is progressively demonstrated in the propensity for present-day business to enable collaborative decisions and strategies that are established on, and informed by, futures studies. This research has attempted to gain insight into the possible future of the implementation of 4IR elements within the future manufacturing factories in South Africa through the creation of four scenarios towards 2030. These are defined as follows: The Fifth Element, which is the ‘best case’ scenario, and to which the country aspires; the ‘worst case’ scenario, in which everything goes badly; the outlier future founded on a surprising, disruptive, emerging matter; and ‘business as usual’ in which no change takes place. The research additionally made efforts to determine the preferred future for the 4IR from a South African perspective, as a base for the Future Vision of the 4IR in the South African manufacturing industry towards 2030. Throughout this study, Inayatullah’s (2008) pillars of futures studies were implemented as a guide in mapping the present and future, further deepening and widening the future through the development of scenarios and, lastly, by transforming the future by narrowing it down to the preferred future. The South African manufacturing sector must select which path to follow in the decisions surrounding the acceptance of the 4IR as the country progresses towards aligning itself with the global players in technology acceptance. Through a unique and innovative approach, the establishment of an atmosphere of trust and the sharing of purpose, values and benefits, a collective Future Vision of the implementing of 4IR elements such as smart production in future factories within South Africa towards 2030, is achievable. All stakeholders must be committed to operating in collaborative partnerships, with government, society, local communities and the workforce all treading boldly together into a sphere of technological, commercial, environmental and social innovation.
- Full Text:
- Date Issued: 2020
- Authors: Abdoll, Delicia Megan
- Date: 2020
- Subjects: Manufacturing industry
- Language: English
- Type: Thesis , Masters , Degree
- Identifier: http://hdl.handle.net/10948/47521 , vital:40123
- Description: Industry 4.0 is impressively creating a lasting impact on the manufacturing industry and on the industry outlook on the benefits of the implementation of new technology. The concept currently trending entails merging cyber systems, the Internet of Things, and the Internet of Systems all together to construct the revolutionary ‘Smart Factories’. The use of advanced technologies brings about new methodologies to improve the results of manufacturing. Complex activities will be performed by machines equipped in using intelligent information systems and new technology to improve productivity, enhance quality, and reduce costs of manufacturing products. South Africa is at the height of the ‘Fourth Industrial Revolution’ (4IR) which will essentially change the way we work. This innovative rubric of high-tech modernisation is characterised by a merging of technologies from the physical, digital, biological, and neuro-technological spheres. The hesitation over jobs being substituted with co-bots, a robot envisioned to actually cooperate with humans in a communal workplace, is profound. Skills volatility is estimated to affect all industries. There are uncertainties that the underprivileged and non-skilled would be thrust into an even profounder deficiency with the upsurge of the digital age. Organisations regard robotics and modern technology as strategic corporate tools that are utilised to enhance short- and long-term profitability and achieve operating goals. In dissimilarity, the application of robotics and modern technology in the place of work increases labour stability concerns, anxiety of downsizings and terminations within the workforce. The purpose of this research was to heighten the comprehension of smart factories in the manufacturing industry by conclusively embracing a methodical examination of the factors which influence the outlook of those involved concerning smart factory implementation and also of assessing the readiness of the South African manufacturing industry for 4IR towards 2030. The ‘golden thread’ running through the study is the significance of the impact of the 4IR on the workforce and the creation of new jobs for the future, the reskilling of the workforce and the enhancement of capabilities of future factories in embracing the implementation and the incorporation of advanced manufacturing principles in production processes. This must form a substantial consideration in the preparation of the vision of the “Incorporation of smart production in future factories within the fourth industrial revolution towards 2030”. The results of the in-depth analysis of future studies practice and theory in this research study give credibility to the argument that the way in which planning for the future of the 4IR in the South African context is taking place requires insightful adaptation by all stakeholders. The development of new insights through the application of futures studies is vital to this planning process, as is progressively demonstrated in the propensity for present-day business to enable collaborative decisions and strategies that are established on, and informed by, futures studies. This research has attempted to gain insight into the possible future of the implementation of 4IR elements within the future manufacturing factories in South Africa through the creation of four scenarios towards 2030. These are defined as follows: The Fifth Element, which is the ‘best case’ scenario, and to which the country aspires; the ‘worst case’ scenario, in which everything goes badly; the outlier future founded on a surprising, disruptive, emerging matter; and ‘business as usual’ in which no change takes place. The research additionally made efforts to determine the preferred future for the 4IR from a South African perspective, as a base for the Future Vision of the 4IR in the South African manufacturing industry towards 2030. Throughout this study, Inayatullah’s (2008) pillars of futures studies were implemented as a guide in mapping the present and future, further deepening and widening the future through the development of scenarios and, lastly, by transforming the future by narrowing it down to the preferred future. The South African manufacturing sector must select which path to follow in the decisions surrounding the acceptance of the 4IR as the country progresses towards aligning itself with the global players in technology acceptance. Through a unique and innovative approach, the establishment of an atmosphere of trust and the sharing of purpose, values and benefits, a collective Future Vision of the implementing of 4IR elements such as smart production in future factories within South Africa towards 2030, is achievable. All stakeholders must be committed to operating in collaborative partnerships, with government, society, local communities and the workforce all treading boldly together into a sphere of technological, commercial, environmental and social innovation.
- Full Text:
- Date Issued: 2020
The indigenous I/Eye: transgressive performativities of blackness within the South African Visual Arts
- Authors: Maneli, Vuyolwethu Pola
- Date: 2020
- Subjects: Art, Black -- South Africa , Art Criticism -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/46900 , vital:39729
- Description: South African Black visual artists have to contend with the racialized economic disparities of the country within which they are enmeshed. This make them susceptible to producing work with the sole motivation of not slipping (further) into poverty, which can greatly hinder our creative autonomy. We are further constrained by the fact that visual arts institutions, whose role it is to decide and regulate what constitutes legitimate art, still operate in accordance with whiteness and a white supremacist logic. The combination of these two factors can lead to the interpellation and artistic production of a Black subjectivity that predominantly caters to – and understands itself in relation to - whiteness. This process of subjectivation, which is performative, can - and regularly does - materialize in various ways through our studio practice. However, with the intervention of critical theory (and the application of strategies of resistance to hegemony that it can provide), interrogative self-reflexivity, and a singular perspective, it is possible to create work that disrupts and transgresses these norms, ultimately contesting the prevalent notion of Black identity as a homogenous experience.
- Full Text:
- Date Issued: 2020
- Authors: Maneli, Vuyolwethu Pola
- Date: 2020
- Subjects: Art, Black -- South Africa , Art Criticism -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/46900 , vital:39729
- Description: South African Black visual artists have to contend with the racialized economic disparities of the country within which they are enmeshed. This make them susceptible to producing work with the sole motivation of not slipping (further) into poverty, which can greatly hinder our creative autonomy. We are further constrained by the fact that visual arts institutions, whose role it is to decide and regulate what constitutes legitimate art, still operate in accordance with whiteness and a white supremacist logic. The combination of these two factors can lead to the interpellation and artistic production of a Black subjectivity that predominantly caters to – and understands itself in relation to - whiteness. This process of subjectivation, which is performative, can - and regularly does - materialize in various ways through our studio practice. However, with the intervention of critical theory (and the application of strategies of resistance to hegemony that it can provide), interrogative self-reflexivity, and a singular perspective, it is possible to create work that disrupts and transgresses these norms, ultimately contesting the prevalent notion of Black identity as a homogenous experience.
- Full Text:
- Date Issued: 2020
The influence of academic interventions on the academic performance of human resource management students
- Authors: Hiles, Tevin
- Date: 2020
- Subjects: Academic performance -- South Africa , Educational psychology Learning, Psychology of
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/50568 , vital:42222
- Description: There are many contextual challenges related to this problem. Some of these include the mass of diverse students entering tertiary institutions and the level of educational preparedness of these students. Moreover, the lasting legacy of Apartheid brings its own challenges in relation to widening access for students entering South African higher education institutions. There are considerable repercussions related to the costs of re-educating students and re-admitting failing students into continuously growing classes. Furthermore, there is a protruding argument that the level of student readiness/preparedness is continually declining. The above-mentioned challenges place extreme pressure on higher education institutions and their staff to provide academic support to students, along with maintaining adequate pass rates. Reflecting on the challenges faced in the South African higher educational context, it is evident that the development and implementation of academic support programmes are important. These programmes are aimed at providing quality learning and teaching and counteracting declining success rates. In addition, there is a need to transform how massification of higher education takes place, to address the challenges of diverse student profiles, dropout rates and low throughput rates. This study explored the impact of academic support interventions on academic performance by focusing on student engagement as it is the leading factor of academic success. For the purpose of this study, this was measured through the attendance of academic interventions. Student engagement may be defined as the time and energy learners dedicate to educational activities both inside and outside of the classroom, along with the policies and practices institutions use to persuade students to partake in these activities. The findings revealed that academic interventions indeed have a positive influence on student behaviour and student academic progress. The results of this study could assist the department of HRM in determining the effectiveness of academic interventions created for first year students.
- Full Text:
- Date Issued: 2020
- Authors: Hiles, Tevin
- Date: 2020
- Subjects: Academic performance -- South Africa , Educational psychology Learning, Psychology of
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/50568 , vital:42222
- Description: There are many contextual challenges related to this problem. Some of these include the mass of diverse students entering tertiary institutions and the level of educational preparedness of these students. Moreover, the lasting legacy of Apartheid brings its own challenges in relation to widening access for students entering South African higher education institutions. There are considerable repercussions related to the costs of re-educating students and re-admitting failing students into continuously growing classes. Furthermore, there is a protruding argument that the level of student readiness/preparedness is continually declining. The above-mentioned challenges place extreme pressure on higher education institutions and their staff to provide academic support to students, along with maintaining adequate pass rates. Reflecting on the challenges faced in the South African higher educational context, it is evident that the development and implementation of academic support programmes are important. These programmes are aimed at providing quality learning and teaching and counteracting declining success rates. In addition, there is a need to transform how massification of higher education takes place, to address the challenges of diverse student profiles, dropout rates and low throughput rates. This study explored the impact of academic support interventions on academic performance by focusing on student engagement as it is the leading factor of academic success. For the purpose of this study, this was measured through the attendance of academic interventions. Student engagement may be defined as the time and energy learners dedicate to educational activities both inside and outside of the classroom, along with the policies and practices institutions use to persuade students to partake in these activities. The findings revealed that academic interventions indeed have a positive influence on student behaviour and student academic progress. The results of this study could assist the department of HRM in determining the effectiveness of academic interventions created for first year students.
- Full Text:
- Date Issued: 2020
The influence of academic interventions on the academic performance of human resource management students
- Authors: Hiles, Tevin
- Date: 2020
- Subjects: Academic achievement -- South Africa , Education, Higher -- Evaluation
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/49846 , vital:41808
- Description: There are many contextual challenges related to this problem. Some of these include the mass of diverse students entering tertiary institutions and the level of educational preparedness of these students. Moreover, the lasting legacy of Apartheid brings its own challenges in relation to widening access for students entering South African higher education institutions. There are considerable repercussions related to the costs of re-educating students and re-admitting failing students into continuously growing classes. Furthermore, there is a protruding argument that the level of student readiness/preparedness is continually declining. The above-mentioned challenges place extreme pressure on higher education institutions and their staff to provide academic support to students, along with maintaining adequate pass rates. Reflecting on the challenges faced in the South African higher educational context, it is evident that the development and implementation of academic support programmes are important. These programmes are aimed at providing quality learning and teaching and counteracting declining success rates. In addition, there is a need to transform how massification of higher education takes place, to address the challenges of diverse student profiles, dropout rates and low throughput rates. This study explored the impact of academic support interventions on academic performance by focusing on student engagement as it is the leading factor of academic success. For the purpose of this study, this was measured through the attendance of academic interventions. Student engagement may be defined as the time and energy learners dedicate to educational activities both inside and outside of the classroom, along with the policies and practices institutions use to persuade students to partake in these activities. The findings revealed that academic interventions indeed have a positive influence on student behaviour and student academic progress. The results of this study could assist the department of HRM in determining the effectiveness of academic interventions created for first year students.
- Full Text:
- Date Issued: 2020
- Authors: Hiles, Tevin
- Date: 2020
- Subjects: Academic achievement -- South Africa , Education, Higher -- Evaluation
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/49846 , vital:41808
- Description: There are many contextual challenges related to this problem. Some of these include the mass of diverse students entering tertiary institutions and the level of educational preparedness of these students. Moreover, the lasting legacy of Apartheid brings its own challenges in relation to widening access for students entering South African higher education institutions. There are considerable repercussions related to the costs of re-educating students and re-admitting failing students into continuously growing classes. Furthermore, there is a protruding argument that the level of student readiness/preparedness is continually declining. The above-mentioned challenges place extreme pressure on higher education institutions and their staff to provide academic support to students, along with maintaining adequate pass rates. Reflecting on the challenges faced in the South African higher educational context, it is evident that the development and implementation of academic support programmes are important. These programmes are aimed at providing quality learning and teaching and counteracting declining success rates. In addition, there is a need to transform how massification of higher education takes place, to address the challenges of diverse student profiles, dropout rates and low throughput rates. This study explored the impact of academic support interventions on academic performance by focusing on student engagement as it is the leading factor of academic success. For the purpose of this study, this was measured through the attendance of academic interventions. Student engagement may be defined as the time and energy learners dedicate to educational activities both inside and outside of the classroom, along with the policies and practices institutions use to persuade students to partake in these activities. The findings revealed that academic interventions indeed have a positive influence on student behaviour and student academic progress. The results of this study could assist the department of HRM in determining the effectiveness of academic interventions created for first year students.
- Full Text:
- Date Issued: 2020
The influence of anthropogenic and environmental covariates on the habitat use and density of sympatric carnivores, Limpopo Province, South Africa
- Authors: Faure, J Philip B
- Date: 2020
- Subjects: Carnivorous animals -- South Africa -- Limpopo
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10948/48302 , vital:40840
- Description: Carnivores are declining and undergoing substantial range contractions which have largely been attributed to anthropogenic related. Globally, there has been an increase in establishing protected areas for species conservation. However, protected areas may not always effectively conserve all biodiversity, where some areas are too small for viable populations of wide-ranging species, such as leopards Panthera pardus, spotted hyaenas Crocuta crocuta, and brown hyaenas Parahyaena brunnea. The importance of privately-owned areas are gaining increasing recognition for their role in conserving species, and ecosystems. Though such areas may provide key opportunities for the conservation and persistence of biodiversity, little attention (with regards to species conservation planning) is given to these areas. Furthermore, large carnivore populations increasingly have to share the landscapes with humans as the global human population increase. Though anthropogenic impacts can be limited within protected areas, human activities on privately-owned farmlands are mostly dictated by economic activity to sustain human presence (often leading to humancarnivore conflicts). Platjan (South Africa) is one such area. It comprise a matrix of agricultural practices and land-use types, dominated by humans. Consequently, it presented an ideal landscape to investigate how humans and carnivores coexist. Spatial capture-recapture modelling suggest stable populations manifested through low densities for leopards, spotted hyaenas, brown hyaenas, and Africa civet Civettictis civetta within the study area. Densities of the focal species were more similar to what has been found in more arid environments. Though it should be noted, that population fluctuations are common in nature, and this study only provide a brief snapshot of the population. Nonetheless, it provides baseline carnivore density estimates for the area. Single-season, single-species occupancy modelling was used to determine the influence of anthropogenic variables on species probability of site use. Results suggested that leopards and spotted hyaenas avoided crop fields (possibly due to higher human activity in these areas). Whereas black-backed jackal Canis mesomelas were positively influenced by the proportion of survey sites containing human infrastructure (possibly due to additional food sources provided by human presence). The covariates did not suggest any effect on brown hyaena and African civet probability of site use, which may be explained by temporal niche partitioning between the species and humans. Kernel density estimation and selectivity ratios revealed that all carnivores were predominantly crepuscular-nocturnal, with the exception of brown hyaenas which were strictly nocturnal. Among the focal species, brown hyaenas and African civets had the lowest temporal overlap with humans, which may explain why they weren’t affected by any of the anthropogenic variables. Whereas, jackal had the highest overlap, supporting a notion that they may be more tolerant of human presence than the other study animals. Overall, it seems that carnivores are able to coexist with humans on privately-owned farmlands through temporal niche partitioning, but manifest at rather low densities. Nonetheless, this study adds to the current understanding of human-carnivore coadaptation, and provides the first carnivore density estimates for the Platjan region.
- Full Text:
- Date Issued: 2020
- Authors: Faure, J Philip B
- Date: 2020
- Subjects: Carnivorous animals -- South Africa -- Limpopo
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10948/48302 , vital:40840
- Description: Carnivores are declining and undergoing substantial range contractions which have largely been attributed to anthropogenic related. Globally, there has been an increase in establishing protected areas for species conservation. However, protected areas may not always effectively conserve all biodiversity, where some areas are too small for viable populations of wide-ranging species, such as leopards Panthera pardus, spotted hyaenas Crocuta crocuta, and brown hyaenas Parahyaena brunnea. The importance of privately-owned areas are gaining increasing recognition for their role in conserving species, and ecosystems. Though such areas may provide key opportunities for the conservation and persistence of biodiversity, little attention (with regards to species conservation planning) is given to these areas. Furthermore, large carnivore populations increasingly have to share the landscapes with humans as the global human population increase. Though anthropogenic impacts can be limited within protected areas, human activities on privately-owned farmlands are mostly dictated by economic activity to sustain human presence (often leading to humancarnivore conflicts). Platjan (South Africa) is one such area. It comprise a matrix of agricultural practices and land-use types, dominated by humans. Consequently, it presented an ideal landscape to investigate how humans and carnivores coexist. Spatial capture-recapture modelling suggest stable populations manifested through low densities for leopards, spotted hyaenas, brown hyaenas, and Africa civet Civettictis civetta within the study area. Densities of the focal species were more similar to what has been found in more arid environments. Though it should be noted, that population fluctuations are common in nature, and this study only provide a brief snapshot of the population. Nonetheless, it provides baseline carnivore density estimates for the area. Single-season, single-species occupancy modelling was used to determine the influence of anthropogenic variables on species probability of site use. Results suggested that leopards and spotted hyaenas avoided crop fields (possibly due to higher human activity in these areas). Whereas black-backed jackal Canis mesomelas were positively influenced by the proportion of survey sites containing human infrastructure (possibly due to additional food sources provided by human presence). The covariates did not suggest any effect on brown hyaena and African civet probability of site use, which may be explained by temporal niche partitioning between the species and humans. Kernel density estimation and selectivity ratios revealed that all carnivores were predominantly crepuscular-nocturnal, with the exception of brown hyaenas which were strictly nocturnal. Among the focal species, brown hyaenas and African civets had the lowest temporal overlap with humans, which may explain why they weren’t affected by any of the anthropogenic variables. Whereas, jackal had the highest overlap, supporting a notion that they may be more tolerant of human presence than the other study animals. Overall, it seems that carnivores are able to coexist with humans on privately-owned farmlands through temporal niche partitioning, but manifest at rather low densities. Nonetheless, this study adds to the current understanding of human-carnivore coadaptation, and provides the first carnivore density estimates for the Platjan region.
- Full Text:
- Date Issued: 2020
The influence of citrus orchard age on the ecology of entomopathogenic fungi and nematodes
- Albertyn ,Sonnica, Moore, Sean D, Marsberg, Tamryn, Coombes, Candice A, Hill, Martin P
- Authors: Albertyn ,Sonnica , Moore, Sean D , Marsberg, Tamryn , Coombes, Candice A , Hill, Martin P
- Date: 2020
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/417545 , vital:71462 , xlink:href="https://hdl.handle.net/10520/ejc-cristal-v10-n1-a7"
- Description: A three-year survey of the ecology of entomopathogenic nematodes (EPN) and entomopathogenic fungi (EPF) was undertaken on soils from citrus orchards of different ages to determine the influence of orchard age on the ecology of entomopathogenic fungi and nematodes. The influence of mulch and irrigation method on the occurrence of EPN and EPF was also determined. Most of the isolates recovered (n = 810) were Beauveria sp. (87.88% of all isolates), followed by Metarhizium sp. (11.87% of all isolates). Only 0.24% of soil samples collected during this study tested positive for EPN. All EPN isolates recovered were Heterorhabditis bacteriophora. No significant differences in EPF occurrence were recorded between orchards under drip and micro-sprinkler irrigation. EPF occurrence was significantly lower (P = 0.016) in orchards covered by mulch (31.85% ± 2.07% occurrence) than in orchards with no covering (38.57% ± 1.57% occurrence). EPF occurrence of 40.33 ± 2.13% was highest in non-bearing orchards, followed by mature orchards (nine years or older) (36.76 ± 2.05% of samples) with the lowest EPF occurrence of 25.30 ± 2.02% reported in juvenile orchards (four to eight years old). Juvenile orchards sustain significantly less EPF than mature and non-bearing orchards because of the combined negative impact of less favourable environmental conditions (lower shade density) and fungicide applications.
- Full Text:
- Date Issued: 2020
- Authors: Albertyn ,Sonnica , Moore, Sean D , Marsberg, Tamryn , Coombes, Candice A , Hill, Martin P
- Date: 2020
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/417545 , vital:71462 , xlink:href="https://hdl.handle.net/10520/ejc-cristal-v10-n1-a7"
- Description: A three-year survey of the ecology of entomopathogenic nematodes (EPN) and entomopathogenic fungi (EPF) was undertaken on soils from citrus orchards of different ages to determine the influence of orchard age on the ecology of entomopathogenic fungi and nematodes. The influence of mulch and irrigation method on the occurrence of EPN and EPF was also determined. Most of the isolates recovered (n = 810) were Beauveria sp. (87.88% of all isolates), followed by Metarhizium sp. (11.87% of all isolates). Only 0.24% of soil samples collected during this study tested positive for EPN. All EPN isolates recovered were Heterorhabditis bacteriophora. No significant differences in EPF occurrence were recorded between orchards under drip and micro-sprinkler irrigation. EPF occurrence was significantly lower (P = 0.016) in orchards covered by mulch (31.85% ± 2.07% occurrence) than in orchards with no covering (38.57% ± 1.57% occurrence). EPF occurrence of 40.33 ± 2.13% was highest in non-bearing orchards, followed by mature orchards (nine years or older) (36.76 ± 2.05% of samples) with the lowest EPF occurrence of 25.30 ± 2.02% reported in juvenile orchards (four to eight years old). Juvenile orchards sustain significantly less EPF than mature and non-bearing orchards because of the combined negative impact of less favourable environmental conditions (lower shade density) and fungicide applications.
- Full Text:
- Date Issued: 2020
The influence of online service quality on future purchasing intent
- Authors: Gelderbloem, Kirsten
- Date: 2020
- Subjects: Electronic commerce -- South Africa
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/48114 , vital:40490
- Description: The rapid advancements in technology has seen a growing shift in retail industry trends, with many retailers establishing online shopping platforms. Though online shopping was initially more popular in other parts of the world, it is fast becoming more popular in South Africa. Many South Africans are now starting to feel more comfortable with the experience, convenience and benefits of online shopping and thus it is important for researchers and experts to gain a better understanding of customers’ experiences in this regard. Furthermore, customer service and quality of service in the online shopping space tends to be relatively different to customer service and quality experienced at a traditional retail store. Therefore, understanding customer service and quality of service within the online retail space is also a critical area to be researched. The aim of this study is thus is to assist retailers and managers to better understand customer service quality of online shopping platforms and how these online shopping platforms perform in terms of its reliability, assurance, tangibility, empathy, and responsiveness dimensions of service quality. An empirical study, consisting of a questionnaire was conducted amongst 88 South African males and females from the various generational cohorts who utilise online shopping platforms. Furthermore, the purpose of this study was to evaluate the service quality experiences of customers who make use of online shopping platforms. The key findings indicated that reliability, tangibility and empathy are the key determinants affecting a customer’s intention to purchase from an online shopping platform. Furthermore, recommendations were made to retailers and managers to consistently focus on remaining reliable in terms of delivering goods as promised; accepting returns and offering refunds, as well as maintaining accurate client and product information; consistently striving towards providing exceptional tangible experiences, such as maintaining a visually appealing website that is easy to navigate, safe and secure to conduct transactions and, to always ensure that customer service agents show empathy towards to their customers.
- Full Text:
- Date Issued: 2020
- Authors: Gelderbloem, Kirsten
- Date: 2020
- Subjects: Electronic commerce -- South Africa
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/48114 , vital:40490
- Description: The rapid advancements in technology has seen a growing shift in retail industry trends, with many retailers establishing online shopping platforms. Though online shopping was initially more popular in other parts of the world, it is fast becoming more popular in South Africa. Many South Africans are now starting to feel more comfortable with the experience, convenience and benefits of online shopping and thus it is important for researchers and experts to gain a better understanding of customers’ experiences in this regard. Furthermore, customer service and quality of service in the online shopping space tends to be relatively different to customer service and quality experienced at a traditional retail store. Therefore, understanding customer service and quality of service within the online retail space is also a critical area to be researched. The aim of this study is thus is to assist retailers and managers to better understand customer service quality of online shopping platforms and how these online shopping platforms perform in terms of its reliability, assurance, tangibility, empathy, and responsiveness dimensions of service quality. An empirical study, consisting of a questionnaire was conducted amongst 88 South African males and females from the various generational cohorts who utilise online shopping platforms. Furthermore, the purpose of this study was to evaluate the service quality experiences of customers who make use of online shopping platforms. The key findings indicated that reliability, tangibility and empathy are the key determinants affecting a customer’s intention to purchase from an online shopping platform. Furthermore, recommendations were made to retailers and managers to consistently focus on remaining reliable in terms of delivering goods as promised; accepting returns and offering refunds, as well as maintaining accurate client and product information; consistently striving towards providing exceptional tangible experiences, such as maintaining a visually appealing website that is easy to navigate, safe and secure to conduct transactions and, to always ensure that customer service agents show empathy towards to their customers.
- Full Text:
- Date Issued: 2020
The influence of perceived ethical leadership on employee engagement
- Authors: Wewers, Carryn Lauren
- Date: 2020
- Subjects: Leadership -- South Africa -- Moral and ethical aspects , Employee Engagement
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/50687 , vital:42335
- Description: Many of today’s news headlines are fraught with alarming accounts of fraud and Corruption conducted by business leaders and this study was undertaken to investigate the influence of perceived ethical leadership on employee engagement. The question has arisen whether these unethical actions among business leaders impact the perceptions of employees and whether this affects their engagement with the organisation. There has been an increase in studies on employee engagement, due to the significant positive impact that it has on an organisation and the beneficial outcomes that engaged employees produce. In this study, the research design followed a positivist approach. The research participants consisted of middle managers in the public or private sectors in South Africa. Sampling was done using a non-probability convenience sampling technique. Secondary data was collected using research data from the Nelson Mandela University Library and its online database. Primary research data was collected using self-administered, standardised questionnaires making use of a 5-point Likert scale. Data was interpreted by means of inferential statistics and biographical information. Every precaution was taken to ensure the reliability, validity and trustworthiness of the study. Ethical approval was obtained for the study from the Nelson Mandela University Research Ethics Committee as per the protocols that were in place at the time of the data collection. This study is significant in terms of the upsurge in unethical conduct in the business arena. The primary objective of this research was to determine the influence of perceived ethical leadership (Perceived Leader Integrity) on employee engagement (the factors which constitute engagement are job commitment, job satisfaction and future intentions.). In the findings, a moderate relationship was found between PLI and job commitment and job satisfaction. A negative relationship was established between PLI and future intentions. Therefore, ethical leadership had an influence on employee engagement.
- Full Text:
- Date Issued: 2020
- Authors: Wewers, Carryn Lauren
- Date: 2020
- Subjects: Leadership -- South Africa -- Moral and ethical aspects , Employee Engagement
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/50687 , vital:42335
- Description: Many of today’s news headlines are fraught with alarming accounts of fraud and Corruption conducted by business leaders and this study was undertaken to investigate the influence of perceived ethical leadership on employee engagement. The question has arisen whether these unethical actions among business leaders impact the perceptions of employees and whether this affects their engagement with the organisation. There has been an increase in studies on employee engagement, due to the significant positive impact that it has on an organisation and the beneficial outcomes that engaged employees produce. In this study, the research design followed a positivist approach. The research participants consisted of middle managers in the public or private sectors in South Africa. Sampling was done using a non-probability convenience sampling technique. Secondary data was collected using research data from the Nelson Mandela University Library and its online database. Primary research data was collected using self-administered, standardised questionnaires making use of a 5-point Likert scale. Data was interpreted by means of inferential statistics and biographical information. Every precaution was taken to ensure the reliability, validity and trustworthiness of the study. Ethical approval was obtained for the study from the Nelson Mandela University Research Ethics Committee as per the protocols that were in place at the time of the data collection. This study is significant in terms of the upsurge in unethical conduct in the business arena. The primary objective of this research was to determine the influence of perceived ethical leadership (Perceived Leader Integrity) on employee engagement (the factors which constitute engagement are job commitment, job satisfaction and future intentions.). In the findings, a moderate relationship was found between PLI and job commitment and job satisfaction. A negative relationship was established between PLI and future intentions. Therefore, ethical leadership had an influence on employee engagement.
- Full Text:
- Date Issued: 2020
The influence of project management maturity on project success – A case of private organization’s infrastructure projects
- Authors: Manunga, Felicia
- Date: 2020
- Subjects: Project Management -- South Africa , Construction projects -- Management -- South Africa
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/49909 , vital:41816
- Description: The construction industry is characterised by the high rate of project failures. Industry professionals consider inconsistent project management practices to be a major cause of these failures. A leading contributor to these inconsistent project management practices is that there is no one project management standard followed in the industry, thereby resulting in different interpretations and applications by project managers. Given the intricate nature of construction projects, correct project management practices and project management maturity are paramount in achieving the overall envisaged project benefits,project success and business profit by organisations. As such, this study arose from the desire to improve the prevailing practices in construction projects, particularly in the Private Healthcare Industry. Against this background, the purpose of this study was to develop a framework that aims to improve the prevailing project management practices in infrastructure projects within the Private Healthcare Industry. This was done through evaluating the appropriate frameworks and theories in construction project management practices, project management maturity, and project success concepts. This then led to determining the correct construction project management practices required for the successful execution of infrastructure projects. To achieve this goal, a comprehensive review of literature was conducted that covered a review of project management practices, benefits, and theories The review of literature concluded with the main study proposition: Project management maturity has an influence on project success.
- Full Text:
- Date Issued: 2020
- Authors: Manunga, Felicia
- Date: 2020
- Subjects: Project Management -- South Africa , Construction projects -- Management -- South Africa
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/49909 , vital:41816
- Description: The construction industry is characterised by the high rate of project failures. Industry professionals consider inconsistent project management practices to be a major cause of these failures. A leading contributor to these inconsistent project management practices is that there is no one project management standard followed in the industry, thereby resulting in different interpretations and applications by project managers. Given the intricate nature of construction projects, correct project management practices and project management maturity are paramount in achieving the overall envisaged project benefits,project success and business profit by organisations. As such, this study arose from the desire to improve the prevailing practices in construction projects, particularly in the Private Healthcare Industry. Against this background, the purpose of this study was to develop a framework that aims to improve the prevailing project management practices in infrastructure projects within the Private Healthcare Industry. This was done through evaluating the appropriate frameworks and theories in construction project management practices, project management maturity, and project success concepts. This then led to determining the correct construction project management practices required for the successful execution of infrastructure projects. To achieve this goal, a comprehensive review of literature was conducted that covered a review of project management practices, benefits, and theories The review of literature concluded with the main study proposition: Project management maturity has an influence on project success.
- Full Text:
- Date Issued: 2020
The influence of the integration of local knowledge during chemistry hands-on practical activities on grade 8/9 learners’ attitude towards science
- Authors: Ngqinambi, Akhona
- Date: 2020
- Subjects: Science -- Study and teaching (Secondary) -- South Africa , Science teachers -- South Africa , High school students -- Attitudes , Communities of practice -- South Africa , Science clubs -- South Africa , Science projects -- South Africa , Constructivism (Education) -- South Africa , Educational counseling -- South Africa , Local knowledge
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/144724 , vital:38373
- Description: With every passing year, there is a decrease in the number of learners pursuing science degrees after completion of grade 12. One of the main reasons for this is the negative attitude that high school learners have towards science learning and science as an entity. The Natural Sciences curriculum suggests the use of local knowledge to introduce the usefulness and the relatability of science to learners. This study is an intervention that seeks to ascertain the influence that local knowledge has on the attitudes of grade 8/9 learners when integrated into their chemistry hands-on practical activities. The study was informed by Vygotsky’s social constructivist theory and Wenger’s community of practice theory. Grade 8/9 learners from four high school science clubs did three local knowledge integrated experiments based on acids and bases. The learners completed pre- and post- surveys and were interviewed about their experiences. Volunteers at the science clubs were also interviewed. Excel was used to deductively analyse quantitative data. On the other hand, an inductive-deductive thematic approach was used to analyse the qualitative data. The findings of the study showed a divergence of qualitative and quantitative methods. The quantitative data showed that there was a slight decrease (but not statistically significant) in the attitude of the learners after engaging in chemistry hands-on practical activities into which local knowledge had been integrated. On the other hand, the qualitative data showed that there was a positive shift in the learners’ attitudes after they had been engaged in the chemistry hands-on practical activities. Additionally, the findings of the study revealed that the integration of local knowledge promotes conceptual understanding and improves the performance of the learners. This study thus recommends that local knowledge should be integrated into the grade 8 and 9 learners’ curriculum to enrich and promote contextualized science for learners. Additionally, the integration of local knowledge would promote conceptual understanding and spark interest and motivation in learners to pursue science-related careers.
- Full Text:
- Date Issued: 2020
- Authors: Ngqinambi, Akhona
- Date: 2020
- Subjects: Science -- Study and teaching (Secondary) -- South Africa , Science teachers -- South Africa , High school students -- Attitudes , Communities of practice -- South Africa , Science clubs -- South Africa , Science projects -- South Africa , Constructivism (Education) -- South Africa , Educational counseling -- South Africa , Local knowledge
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/144724 , vital:38373
- Description: With every passing year, there is a decrease in the number of learners pursuing science degrees after completion of grade 12. One of the main reasons for this is the negative attitude that high school learners have towards science learning and science as an entity. The Natural Sciences curriculum suggests the use of local knowledge to introduce the usefulness and the relatability of science to learners. This study is an intervention that seeks to ascertain the influence that local knowledge has on the attitudes of grade 8/9 learners when integrated into their chemistry hands-on practical activities. The study was informed by Vygotsky’s social constructivist theory and Wenger’s community of practice theory. Grade 8/9 learners from four high school science clubs did three local knowledge integrated experiments based on acids and bases. The learners completed pre- and post- surveys and were interviewed about their experiences. Volunteers at the science clubs were also interviewed. Excel was used to deductively analyse quantitative data. On the other hand, an inductive-deductive thematic approach was used to analyse the qualitative data. The findings of the study showed a divergence of qualitative and quantitative methods. The quantitative data showed that there was a slight decrease (but not statistically significant) in the attitude of the learners after engaging in chemistry hands-on practical activities into which local knowledge had been integrated. On the other hand, the qualitative data showed that there was a positive shift in the learners’ attitudes after they had been engaged in the chemistry hands-on practical activities. Additionally, the findings of the study revealed that the integration of local knowledge promotes conceptual understanding and improves the performance of the learners. This study thus recommends that local knowledge should be integrated into the grade 8 and 9 learners’ curriculum to enrich and promote contextualized science for learners. Additionally, the integration of local knowledge would promote conceptual understanding and spark interest and motivation in learners to pursue science-related careers.
- Full Text:
- Date Issued: 2020
The international arbitration act and dispute resolution
- Authors: Mkorongo, Michelle
- Date: 2020
- Subjects: Dispute resolution (Law) -- Africa , International commercial arbitration
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: http://hdl.handle.net/10948/49005 , vital:41592
- Description: Worldwide, states that had incorporated international standards of arbitration or drew influence from them, thrived in providing effective and efficient resolution of international commercial disputes. However, since 1965, there had been little to no increase in resolving international commercial disputes between private parties in South Africa, either through the court or arbitration. As a result, private parties were drawn to arbitrating in states that had incorporated these international standards and conformed to the aim of unifying arbitral regulation. This study aims to determine what South Africa’s response was in dealing with international commercial disputes and the development of arbitration as an appropriate dispute resolution mechanism. Based on the premise that arbitration is regarded as a popular dispute resolution mechanism when it comes to international trade transactions globally, this study will unpack why arbitration in South Africa did not reflect this premise. A thorough analysis of how international arbitration and its regulation developed globally will be conducted to show at what point uniform regulation came about. The results will indicate in what ways South Africa’s regulatory framework was insufficient to deal with international arbitration and will show how it took a considerable amount of time to regulate arbitration appropriately. Upon regulating international arbitration in 2017, the study will show other ways that South Africa can enhance itself in terms of providing a comprehensive regulatory framework and position itself as an ideal seat of arbitration in Africa.
- Full Text:
- Date Issued: 2020
- Authors: Mkorongo, Michelle
- Date: 2020
- Subjects: Dispute resolution (Law) -- Africa , International commercial arbitration
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: http://hdl.handle.net/10948/49005 , vital:41592
- Description: Worldwide, states that had incorporated international standards of arbitration or drew influence from them, thrived in providing effective and efficient resolution of international commercial disputes. However, since 1965, there had been little to no increase in resolving international commercial disputes between private parties in South Africa, either through the court or arbitration. As a result, private parties were drawn to arbitrating in states that had incorporated these international standards and conformed to the aim of unifying arbitral regulation. This study aims to determine what South Africa’s response was in dealing with international commercial disputes and the development of arbitration as an appropriate dispute resolution mechanism. Based on the premise that arbitration is regarded as a popular dispute resolution mechanism when it comes to international trade transactions globally, this study will unpack why arbitration in South Africa did not reflect this premise. A thorough analysis of how international arbitration and its regulation developed globally will be conducted to show at what point uniform regulation came about. The results will indicate in what ways South Africa’s regulatory framework was insufficient to deal with international arbitration and will show how it took a considerable amount of time to regulate arbitration appropriately. Upon regulating international arbitration in 2017, the study will show other ways that South Africa can enhance itself in terms of providing a comprehensive regulatory framework and position itself as an ideal seat of arbitration in Africa.
- Full Text:
- Date Issued: 2020
The international community’s implementation of the Responsibility to Protect (R2P) Principle: a Comparative Study of Sudan and Libya
- Authors: Nizeimana, John Bosco
- Date: 2020
- Subjects: Responsibility to protect (International law) , Humanitarian intervention -- Libya , Libya -- Foreign relations -- 1969- , Libya -- Politics and government -- 1969- , Humanitarian intervention -- Sudan , Sudan -- Foreign relations , Sudan -- Politics and government -- 1985-
- Language: English
- Type: text , Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10962/162631 , vital:40962
- Description: In the history of international relations, the adoption of the R2P principle in 2005 was widely understood to be a break-through in the international community’s efforts to respond to massive human rights violations and atrocities. Despite this, the international community’s implementation of the R2P has been widely contested, including in relation to its application in Sudan and Libya. There is agreement in the literature that, in both cases, the implementation of the R2P failed to achieve its intended purpose of protecting civilian populations. This thesis addresses the question of why the R2P failed in Sudan and Libya. Most explanations concerning the failure of the R2P in Sudan and Libya tend to focus on the politics of big power countries. The study argues that the failure to implement the R2P is related to the interactions between regional organisations and the international community (global organisations like UN) in attempting to solve large-scale human rights violent conflict. The study is firmly embedded in scholarly debates about humanitarian intervention so as to demonstrate the fact that this study is part of efforts to advance knowledge of scholarly debates on humanitarian intervention in this contemporary world order. The study combines a case study approach and qualitative research approach to achieve a nuanced understanding of the reason why the R2P failed in Sudan and Libya. The study relied on the use of documentary reviews and in-depth interviews of experts to collect data which was analysed using critical discourse analysis. The thesis demonstrated that the implementation of the R2P was characterised by a breakdown of the relationship between regional actors like the AU and global institutions like the UN. This breakdown contributed to the failure of the R2P in Sudan and Libya. The lack of financial and operational capacity for rapid deployment, the internal divisions with the AU, and the lack of political will within the AU members states were also cited as obstacles to the realisation of the R2P efforts in Sudan. To establish in-depth knowledge the study revealed other factors related to the politics of big power countries and how they played a part in the failure of the R2P in Sudan and Libya. Among these factors include implementation inconsistencies, the ICC factor, the absence of UNSC consensus in the response over Darfur and Libya, and the veto power factor and its implications in the efforts of the international community in both cases. This study also showed that the implementation of the R2P may not work effectively if left only to international actors to implement. Regional and sub-regional actors are important stakeholders of the R2P, and their interactions with the international community in actualising the implmementation of the R2P on the ground are essential. The manner in which the R2P was applied in Sudan and Libya is an indication its implementation requires improved interaction between regional actors and the international community at all level of collaboration including at global, regional and sub-regional level. This can build a strong foundation to drive the effective implementation of the R2P in future interventions. The findings of this thesis will significantly improve the available literature on the reason why the R2P failed in Sudan and Libya, particularly by paying much attention to the role of regional and sub-regional actors.
- Full Text:
- Date Issued: 2020
- Authors: Nizeimana, John Bosco
- Date: 2020
- Subjects: Responsibility to protect (International law) , Humanitarian intervention -- Libya , Libya -- Foreign relations -- 1969- , Libya -- Politics and government -- 1969- , Humanitarian intervention -- Sudan , Sudan -- Foreign relations , Sudan -- Politics and government -- 1985-
- Language: English
- Type: text , Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10962/162631 , vital:40962
- Description: In the history of international relations, the adoption of the R2P principle in 2005 was widely understood to be a break-through in the international community’s efforts to respond to massive human rights violations and atrocities. Despite this, the international community’s implementation of the R2P has been widely contested, including in relation to its application in Sudan and Libya. There is agreement in the literature that, in both cases, the implementation of the R2P failed to achieve its intended purpose of protecting civilian populations. This thesis addresses the question of why the R2P failed in Sudan and Libya. Most explanations concerning the failure of the R2P in Sudan and Libya tend to focus on the politics of big power countries. The study argues that the failure to implement the R2P is related to the interactions between regional organisations and the international community (global organisations like UN) in attempting to solve large-scale human rights violent conflict. The study is firmly embedded in scholarly debates about humanitarian intervention so as to demonstrate the fact that this study is part of efforts to advance knowledge of scholarly debates on humanitarian intervention in this contemporary world order. The study combines a case study approach and qualitative research approach to achieve a nuanced understanding of the reason why the R2P failed in Sudan and Libya. The study relied on the use of documentary reviews and in-depth interviews of experts to collect data which was analysed using critical discourse analysis. The thesis demonstrated that the implementation of the R2P was characterised by a breakdown of the relationship between regional actors like the AU and global institutions like the UN. This breakdown contributed to the failure of the R2P in Sudan and Libya. The lack of financial and operational capacity for rapid deployment, the internal divisions with the AU, and the lack of political will within the AU members states were also cited as obstacles to the realisation of the R2P efforts in Sudan. To establish in-depth knowledge the study revealed other factors related to the politics of big power countries and how they played a part in the failure of the R2P in Sudan and Libya. Among these factors include implementation inconsistencies, the ICC factor, the absence of UNSC consensus in the response over Darfur and Libya, and the veto power factor and its implications in the efforts of the international community in both cases. This study also showed that the implementation of the R2P may not work effectively if left only to international actors to implement. Regional and sub-regional actors are important stakeholders of the R2P, and their interactions with the international community in actualising the implmementation of the R2P on the ground are essential. The manner in which the R2P was applied in Sudan and Libya is an indication its implementation requires improved interaction between regional actors and the international community at all level of collaboration including at global, regional and sub-regional level. This can build a strong foundation to drive the effective implementation of the R2P in future interventions. The findings of this thesis will significantly improve the available literature on the reason why the R2P failed in Sudan and Libya, particularly by paying much attention to the role of regional and sub-regional actors.
- Full Text:
- Date Issued: 2020
The invasive grass genus Nassella in South Africa: A synthesis
- Mapaura Anthony, Canavan, Kim N, Richardson, David M, Clark, Vincent R, Steenhuisen, Sandy-Lynn
- Authors: Mapaura Anthony , Canavan, Kim N , Richardson, David M , Clark, Vincent R , Steenhuisen, Sandy-Lynn
- Date: 2020
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/424842 , vital:72188 , xlink:href="https://doi.org/10.1016/j.sajb.2020.08.031"
- Description: Three species of Nassella have naturalized in South Africa. Nassella trichotoma and N. tenuissima are declared weeds under category 1b of the National Environmental Management: Biodiversity Act (NEM:BA) and occur mainly in the montane grasslands of the Western and Eastern Cape provinces. Nassella neesiana is not listed in NEM:BA but is naturalized in the Eastern Cape, Western Cape and Free State provinces. Research conducted in the 1970s and 1980s led to vigorous government-funded awareness and control campaigns which ended in 2000. No research on Nassella distribution or control has been undertaken since then. Despite this hiatus, Nassella remains a dangerous genus in southern Africa, given the serious impacts of these species in similar social-ecological systems in Australia and New Zealand. This paper presents a synthesis of available information about Nassella invasions in South Africa and identifies research gaps. It specifically addresses these questions: What identification issues exist? What is the current spatial distribution of Nassella? What is the autecology of the genus? What are the social-ecological impacts of Nassella? What control measures are currently applied and what are their strengths and limitations? What do we know about Nassella distribution and its response to climate change? This paper highlights many knowledge gaps about Nassella, such as the species’ current distribution range, field identification and detection difficulties, and the uncoordinated control efforts that require urgent research to inform an effective management response.
- Full Text:
- Date Issued: 2020
- Authors: Mapaura Anthony , Canavan, Kim N , Richardson, David M , Clark, Vincent R , Steenhuisen, Sandy-Lynn
- Date: 2020
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/424842 , vital:72188 , xlink:href="https://doi.org/10.1016/j.sajb.2020.08.031"
- Description: Three species of Nassella have naturalized in South Africa. Nassella trichotoma and N. tenuissima are declared weeds under category 1b of the National Environmental Management: Biodiversity Act (NEM:BA) and occur mainly in the montane grasslands of the Western and Eastern Cape provinces. Nassella neesiana is not listed in NEM:BA but is naturalized in the Eastern Cape, Western Cape and Free State provinces. Research conducted in the 1970s and 1980s led to vigorous government-funded awareness and control campaigns which ended in 2000. No research on Nassella distribution or control has been undertaken since then. Despite this hiatus, Nassella remains a dangerous genus in southern Africa, given the serious impacts of these species in similar social-ecological systems in Australia and New Zealand. This paper presents a synthesis of available information about Nassella invasions in South Africa and identifies research gaps. It specifically addresses these questions: What identification issues exist? What is the current spatial distribution of Nassella? What is the autecology of the genus? What are the social-ecological impacts of Nassella? What control measures are currently applied and what are their strengths and limitations? What do we know about Nassella distribution and its response to climate change? This paper highlights many knowledge gaps about Nassella, such as the species’ current distribution range, field identification and detection difficulties, and the uncoordinated control efforts that require urgent research to inform an effective management response.
- Full Text:
- Date Issued: 2020
The Islamic Bloc at the United Nations Human Rights Council
- Authors: Rist, Duncan Graham
- Date: 2020
- Subjects: United Nations Human Rights Council , Organisation of Islamic Cooperation , International relations , International relations -- Moral and ethical aspects , Political leadership -- Moral and ethical aspects , Power (Social sciences) -- United States , Human rights -- International cooperation , Liberalism -- International cooperation
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10962/142759 , vital:38114
- Description: Uncertainty as to the future of the liberal international order and the position of the United States within an international system in which it is not the hegemon remains a topic of debate amongst scholars of International Relations (Acharya: 2017; Duncombe and Dunne: 2018; Ikenberry: 2009, 2011, 2014; Nye: 2012 and Monteiro: 2011/2012). Fukuyama’s (1989: 4) “end of history” has not happened and a resurgence of populist leaders within established liberal democratic countries has contributed to a rapid decline of moral and ethical leadership and has further compromised the future of the liberal international order (Duncombe and Dunne, 2018: 27). As the relative power of the United States declines and the future of the liberal international order becomes increasingly uncertain, support for its future must be sought from outside the West (Duncombe and Dunne, 2018: 25 and Ikenberry: 2009). This thesis seeks to locate where potential non-Western support for the future liberal international order may be found. It does so through an analysis of how Islamic states who are part of the Organisation of Islamic Cooperation vote on the United Nations Human Rights Council (UNHRC). The OIC has a significant presence at the UNHRC and can influence the direction of the liberal international human rights regime. The evidence examined in this research project suggests that the future liberal international order and human rights regime can indeed expect some form of cooperation from the OIC. However, the OIC, and by extension Islamic states, would likely offer more support at least for human rights, if a more common understanding were to be found.
- Full Text:
- Date Issued: 2020
- Authors: Rist, Duncan Graham
- Date: 2020
- Subjects: United Nations Human Rights Council , Organisation of Islamic Cooperation , International relations , International relations -- Moral and ethical aspects , Political leadership -- Moral and ethical aspects , Power (Social sciences) -- United States , Human rights -- International cooperation , Liberalism -- International cooperation
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10962/142759 , vital:38114
- Description: Uncertainty as to the future of the liberal international order and the position of the United States within an international system in which it is not the hegemon remains a topic of debate amongst scholars of International Relations (Acharya: 2017; Duncombe and Dunne: 2018; Ikenberry: 2009, 2011, 2014; Nye: 2012 and Monteiro: 2011/2012). Fukuyama’s (1989: 4) “end of history” has not happened and a resurgence of populist leaders within established liberal democratic countries has contributed to a rapid decline of moral and ethical leadership and has further compromised the future of the liberal international order (Duncombe and Dunne, 2018: 27). As the relative power of the United States declines and the future of the liberal international order becomes increasingly uncertain, support for its future must be sought from outside the West (Duncombe and Dunne, 2018: 25 and Ikenberry: 2009). This thesis seeks to locate where potential non-Western support for the future liberal international order may be found. It does so through an analysis of how Islamic states who are part of the Organisation of Islamic Cooperation vote on the United Nations Human Rights Council (UNHRC). The OIC has a significant presence at the UNHRC and can influence the direction of the liberal international human rights regime. The evidence examined in this research project suggests that the future liberal international order and human rights regime can indeed expect some form of cooperation from the OIC. However, the OIC, and by extension Islamic states, would likely offer more support at least for human rights, if a more common understanding were to be found.
- Full Text:
- Date Issued: 2020
The jackal as a mesopredator : dietary response to an apex predator and role as an endozoochore
- Authors: Favaretto, Bianca Sashika
- Date: 2020
- Subjects: Jackal buzzard
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10948/48313 , vital:40841
- Description: Interactions between apex predators, mesopredators and their impacts on trophic dynamics have been well documented. However, the influence of apex predators, through the provision of carrion, on the foraging ecology of African mesopredators is poorly understood. To investigate such resource supplementation by apex predators for mesopredators, the black-backed jackal Canis mesomelas, a generalist mesopredator, was used as a model species to improve our understanding of this topic in South African ecosystems. To do this, I compared the diet of jackal at replicated sites with and without cheetah in the eastern Karoo, South Africa. Scat samples were macroscopically categorized into six broad dietary categories: mammal, reptile, bird, fruit, forage and insect. Mammalian prey was further identified to species and grouped into six functional dietary categories: carnivore, large ungulate, small ungulate, small mammal, and unknown mammal. Jackal diets were dominated by mammal prey, with significant differences in the biomass and frequency of occurrence of mammals by jackal at sites with cheetah and without cheetah. Mammal consumption, showed limited variation amongst seasons. Resource supplementation provided by predator derived carrion is an important factor influencing jackal foraging ecology. The emergent hypothesis that jackal may show demographic responses (increased fecundity, survival, density) to this supplementation needs to be tested. This study also provided an opportunity to investigate the potential role of jackal as an endozoochore. Jackal consume fruits and their seeds, yet to our knowledge, an investigation into their seed dispersing abilities is yet to be investigated. This study assessed the viability and germination capacity of ingested seeds extracted from jackal scat samples using the tetrazolium tests and germination trials. Seed viability and germination of all three species (Grewia occidentalis, Pappea capensis and Diospyros lycioides) were significantly lower than uningested seeds. These results suggest that jackal gut passage is acting severely on ingested seeds. This study represents a novel investigation into differences in jackal diet in sites with and without cheetah as well as the role jackal play in endozoochory, contributing to improved understanding of the ecological role of jackal.
- Full Text:
- Date Issued: 2020
- Authors: Favaretto, Bianca Sashika
- Date: 2020
- Subjects: Jackal buzzard
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10948/48313 , vital:40841
- Description: Interactions between apex predators, mesopredators and their impacts on trophic dynamics have been well documented. However, the influence of apex predators, through the provision of carrion, on the foraging ecology of African mesopredators is poorly understood. To investigate such resource supplementation by apex predators for mesopredators, the black-backed jackal Canis mesomelas, a generalist mesopredator, was used as a model species to improve our understanding of this topic in South African ecosystems. To do this, I compared the diet of jackal at replicated sites with and without cheetah in the eastern Karoo, South Africa. Scat samples were macroscopically categorized into six broad dietary categories: mammal, reptile, bird, fruit, forage and insect. Mammalian prey was further identified to species and grouped into six functional dietary categories: carnivore, large ungulate, small ungulate, small mammal, and unknown mammal. Jackal diets were dominated by mammal prey, with significant differences in the biomass and frequency of occurrence of mammals by jackal at sites with cheetah and without cheetah. Mammal consumption, showed limited variation amongst seasons. Resource supplementation provided by predator derived carrion is an important factor influencing jackal foraging ecology. The emergent hypothesis that jackal may show demographic responses (increased fecundity, survival, density) to this supplementation needs to be tested. This study also provided an opportunity to investigate the potential role of jackal as an endozoochore. Jackal consume fruits and their seeds, yet to our knowledge, an investigation into their seed dispersing abilities is yet to be investigated. This study assessed the viability and germination capacity of ingested seeds extracted from jackal scat samples using the tetrazolium tests and germination trials. Seed viability and germination of all three species (Grewia occidentalis, Pappea capensis and Diospyros lycioides) were significantly lower than uningested seeds. These results suggest that jackal gut passage is acting severely on ingested seeds. This study represents a novel investigation into differences in jackal diet in sites with and without cheetah as well as the role jackal play in endozoochory, contributing to improved understanding of the ecological role of jackal.
- Full Text:
- Date Issued: 2020
The leadership style of Richard Branson: a psychobiography
- Authors: Fourie, Megan
- Date: 2020
- Subjects: Psychology -- Biographical methods , Transformational leadership
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/49838 , vital:41807
- Description: Transformational leadership (TFL) is a leadership theory that describes how leaders create change through their ability to inspire and motivate followers toward self-improvement and innovation that benefits the individual, the group, and the organisation as a whole.This psychobiographical research study explored the leadership style of Richard Branson by using Bass’s theory of transformational leadership. An exploratory-descriptive design was utilised to examine Branson’s life history. He was selected for the study through non-probability purposive sampling based on his history as an extraordinary leader and entrepreneur. Primary and secondary sources of historical and biographical data were used in the data collection process. The data was then processed using thematic analysis against the theoretical framework of transformational leadership. From an ethical perspective, the researcher took care to avoid the misrepresentation of the subject, thus balancing objective research with respect for the psychobiographical content and minimising the risk of doing harm. The findings demonstrated that Branson’s leadership style consists of, and corresponds to a large extent, to the four components of TFL.
- Full Text:
- Date Issued: 2020
- Authors: Fourie, Megan
- Date: 2020
- Subjects: Psychology -- Biographical methods , Transformational leadership
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/49838 , vital:41807
- Description: Transformational leadership (TFL) is a leadership theory that describes how leaders create change through their ability to inspire and motivate followers toward self-improvement and innovation that benefits the individual, the group, and the organisation as a whole.This psychobiographical research study explored the leadership style of Richard Branson by using Bass’s theory of transformational leadership. An exploratory-descriptive design was utilised to examine Branson’s life history. He was selected for the study through non-probability purposive sampling based on his history as an extraordinary leader and entrepreneur. Primary and secondary sources of historical and biographical data were used in the data collection process. The data was then processed using thematic analysis against the theoretical framework of transformational leadership. From an ethical perspective, the researcher took care to avoid the misrepresentation of the subject, thus balancing objective research with respect for the psychobiographical content and minimising the risk of doing harm. The findings demonstrated that Branson’s leadership style consists of, and corresponds to a large extent, to the four components of TFL.
- Full Text:
- Date Issued: 2020
The leadership style of Richard Branson: a psychobiography
- Authors: Fourie, Megan
- Date: 2020
- Subjects: Leadership -- South Africa , Psychology -- Biographical methods
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/50557 , vital:42221
- Description: Transformational leadership (TFL) is a leadership theory that describes how leaders create change through their ability to inspire and motivate followers toward self-improvement and innovation that benefits the individual, the group, and the organisation as a whole.This psychobiographical research study explored the leadership style of Richard Branson by using Bass’s theory of transformational leadership. An exploratory-descriptive design was utilised to examine Branson’s life history. He was selected for the study through non-probability purposive sampling based on his history as an extraordinary leader and entrepreneur. Primary and secondary sources of historical and biographical data were used in the data collection process. The data was then processed using thematic analysis against the theoretical framework of transformational leadership. From an ethical perspective, the researcher took care to avoid the misrepresentation of the subject, thus balancing objective research with respect for the psychobiographical content and minimising the risk of doing harm. The findings demonstrated that Branson’s leadership style consists of, and corresponds to a large extent, to the four major components of TFL.
- Full Text:
- Date Issued: 2020
- Authors: Fourie, Megan
- Date: 2020
- Subjects: Leadership -- South Africa , Psychology -- Biographical methods
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/50557 , vital:42221
- Description: Transformational leadership (TFL) is a leadership theory that describes how leaders create change through their ability to inspire and motivate followers toward self-improvement and innovation that benefits the individual, the group, and the organisation as a whole.This psychobiographical research study explored the leadership style of Richard Branson by using Bass’s theory of transformational leadership. An exploratory-descriptive design was utilised to examine Branson’s life history. He was selected for the study through non-probability purposive sampling based on his history as an extraordinary leader and entrepreneur. Primary and secondary sources of historical and biographical data were used in the data collection process. The data was then processed using thematic analysis against the theoretical framework of transformational leadership. From an ethical perspective, the researcher took care to avoid the misrepresentation of the subject, thus balancing objective research with respect for the psychobiographical content and minimising the risk of doing harm. The findings demonstrated that Branson’s leadership style consists of, and corresponds to a large extent, to the four major components of TFL.
- Full Text:
- Date Issued: 2020
The Legacy Effects of Colonial and Apartheid Imprints on Urban Greening in South Africa: Spaces, Species, and Suitability
- Shackleton, Charlie M, Gwedla, Nanamhla
- Authors: Shackleton, Charlie M , Gwedla, Nanamhla
- Date: 2020
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/176296 , vital:42682 , https://doi.org/10.3389/fevo.2020.579813
- Description: Colonialism is a significant legacy across most aspects of urban form, the nature and distribution of public green spaces, and tree species composition in many cities of the Global South. However, the legacy effects of colonialism on urban green infrastructure and the uses thereof have only recently come under scrutiny. Here we collate information from South Africa on urban greening and interpret it through a colonial and apartheid legacy lens in relation to the distribution and types of urban nature found and their resonance with contemporary needs as an African country.
- Full Text:
- Date Issued: 2020
- Authors: Shackleton, Charlie M , Gwedla, Nanamhla
- Date: 2020
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/176296 , vital:42682 , https://doi.org/10.3389/fevo.2020.579813
- Description: Colonialism is a significant legacy across most aspects of urban form, the nature and distribution of public green spaces, and tree species composition in many cities of the Global South. However, the legacy effects of colonialism on urban green infrastructure and the uses thereof have only recently come under scrutiny. Here we collate information from South Africa on urban greening and interpret it through a colonial and apartheid legacy lens in relation to the distribution and types of urban nature found and their resonance with contemporary needs as an African country.
- Full Text:
- Date Issued: 2020
The legality and enforceability of an automatic termination clause in the contract of employment
- Authors: Mbewana, Ntsikelelo Elliot
- Date: 2020
- Subjects: Employees -- Dismissal of -- Law and legislation -- South Africa , Labor contract -- South Africa Unfair labor practices -- South Africa
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: http://hdl.handle.net/10948/48993 , vital:41575
- Description: This study seeks to determine the legality and enforceability of an automatic termination clause in a contract of employment. Our law seems to have two different procedures in dealing with this issue. The first aspect is to determine whether the automatic termination clause is inserted in a contract of employment merely to circumvent the provisions of the Labour Relations Act (LRA), in particular section 5(2)(b) of the LRA. If the intention is found to be to circumvent the purpose of the said provisions of the Act, then an automatic termination clause is not allowed and any termination of the contract resulting therefrom becomes a dismissal challengeable at the CCMA, Bargaining Council or Labour Court depending on the issue at hand. In the alternative, there is no dismissal for the purposes of section 186(1) of the Act in circumstances where the end of an agreed fixed term is defined by the occurrence of a particular event. Put differently, there is no dismissal when the agreed and anticipated event materialises. The Constitution of the Republic of South Africa provides that everyone has the right to fair labour practices. This provision guarantees the right not to be unfairly dismissed and is in line with Article 4 of Convention 158 of the International Labour Organisation which provides that the employment of a worker shall not be terminated unless there is a valid reason for such termination connected with the capacity or conduct of the worker or based on operational requirements of the undertaking, establishment or service. This study aims to investigate the question of the legality and enforceability of an automatic termination clause in a contract of employment by analysing inter alia, the Constitution, LRA, ILO recommendations and the authorities in order to determine the extent of protection afforded to employees against employers.
- Full Text:
- Date Issued: 2020
- Authors: Mbewana, Ntsikelelo Elliot
- Date: 2020
- Subjects: Employees -- Dismissal of -- Law and legislation -- South Africa , Labor contract -- South Africa Unfair labor practices -- South Africa
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: http://hdl.handle.net/10948/48993 , vital:41575
- Description: This study seeks to determine the legality and enforceability of an automatic termination clause in a contract of employment. Our law seems to have two different procedures in dealing with this issue. The first aspect is to determine whether the automatic termination clause is inserted in a contract of employment merely to circumvent the provisions of the Labour Relations Act (LRA), in particular section 5(2)(b) of the LRA. If the intention is found to be to circumvent the purpose of the said provisions of the Act, then an automatic termination clause is not allowed and any termination of the contract resulting therefrom becomes a dismissal challengeable at the CCMA, Bargaining Council or Labour Court depending on the issue at hand. In the alternative, there is no dismissal for the purposes of section 186(1) of the Act in circumstances where the end of an agreed fixed term is defined by the occurrence of a particular event. Put differently, there is no dismissal when the agreed and anticipated event materialises. The Constitution of the Republic of South Africa provides that everyone has the right to fair labour practices. This provision guarantees the right not to be unfairly dismissed and is in line with Article 4 of Convention 158 of the International Labour Organisation which provides that the employment of a worker shall not be terminated unless there is a valid reason for such termination connected with the capacity or conduct of the worker or based on operational requirements of the undertaking, establishment or service. This study aims to investigate the question of the legality and enforceability of an automatic termination clause in a contract of employment by analysing inter alia, the Constitution, LRA, ILO recommendations and the authorities in order to determine the extent of protection afforded to employees against employers.
- Full Text:
- Date Issued: 2020
The lived experiences of women with human immunodeficiency virus (HIV) in Malawi: an interpretative phenomenological analysis (IPA)
- Authors: Nkhalamba, Mathero Michelle
- Date: 2020
- Subjects: HIV-positive women -- Malawi , HIV infections -- Sex factors -- Malawi , HIV infections -- Social aspects -- Malawi , HIV-positive women -- Malawi -- Social conditions , HIV-positive women -- Malawi -- Economic conditions , Poverty -- Malawi , Antiretroviral agents -- Malawi , Phenomenological psychology
- Language: English
- Type: text , Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10962/145291 , vital:38425
- Description: Research on African women and HIV, particularly research that investigates their experiences of living with the virus, has been relatively peripheral. As a response to the apparent knowledge and research gaps, this project is a qualitative study involving women living with human immunodeficiency virus (WLHIV) and attending an anti-retroviral treatment (ART) clinic at Zomba Central Hospital in Southern Malawi. The study utilised an interpretative phenomenological analysis (IPA) approach, which informed all aspects of the data-collection and data-analysis processes. Using purposive sampling, 12 women were recruited and interviewed on three occasions over a period of six months. The interviews were conducted in Chichewa and audio recorded and later transcribed into English. Fourteen superordinate themes emerged from the analysis representing the women’s prominent life experiences, how they received their diagnosis, and how they contained the trauma of their diagnosis. The analysis also developed themes regarding how they coped with the challenges of living with the human immunodeficiency virus (HIV) and made sense of their experiences. The results showed that the women struggled with multiple challenges experienced through their various identities as WLHIV. The findings also pointed to interlocking disadvantages that put the women at risk of infection, and which were present from childhood. This has implications for more structural and multidisciplinary interventions for WLHIV.
- Full Text:
- Date Issued: 2020
- Authors: Nkhalamba, Mathero Michelle
- Date: 2020
- Subjects: HIV-positive women -- Malawi , HIV infections -- Sex factors -- Malawi , HIV infections -- Social aspects -- Malawi , HIV-positive women -- Malawi -- Social conditions , HIV-positive women -- Malawi -- Economic conditions , Poverty -- Malawi , Antiretroviral agents -- Malawi , Phenomenological psychology
- Language: English
- Type: text , Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10962/145291 , vital:38425
- Description: Research on African women and HIV, particularly research that investigates their experiences of living with the virus, has been relatively peripheral. As a response to the apparent knowledge and research gaps, this project is a qualitative study involving women living with human immunodeficiency virus (WLHIV) and attending an anti-retroviral treatment (ART) clinic at Zomba Central Hospital in Southern Malawi. The study utilised an interpretative phenomenological analysis (IPA) approach, which informed all aspects of the data-collection and data-analysis processes. Using purposive sampling, 12 women were recruited and interviewed on three occasions over a period of six months. The interviews were conducted in Chichewa and audio recorded and later transcribed into English. Fourteen superordinate themes emerged from the analysis representing the women’s prominent life experiences, how they received their diagnosis, and how they contained the trauma of their diagnosis. The analysis also developed themes regarding how they coped with the challenges of living with the human immunodeficiency virus (HIV) and made sense of their experiences. The results showed that the women struggled with multiple challenges experienced through their various identities as WLHIV. The findings also pointed to interlocking disadvantages that put the women at risk of infection, and which were present from childhood. This has implications for more structural and multidisciplinary interventions for WLHIV.
- Full Text:
- Date Issued: 2020