ZIMBABWE’S LIBERATION STRUGGLE: A CRITICAL DECADE OF THE ZIMBABWE AFRICAN NATIONAL UNION (ZANU)’S GUERRILLA WAR, 1970-1980
- Dzimbanhete, Jephias Andrew (https://orcid.org/0000-0002-7648-8722)
- Authors: Dzimbanhete, Jephias Andrew (https://orcid.org/0000-0002-7648-8722)
- Date: 2011-01
- Subjects: National Liberation Movements -- Zimbabwe , Guerillas , Zimbabwe -- History -- Chimurenga
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10353/23315 , vital:57048
- Description: This study offers a comprehensive examination of the Zimbabwean war of independence depicting the mobilisation of forces of liberation against an intransigent colonial Rhodesian settler state during a critical decade of the 1970s. Its introductory outline presents a broad historical context to the decolonisation processes in Africa. It also introduces the two liberation movements that drove the war of independence, and these revolved around the Zimbabwe African People’s Union (ZAPU) and the Zimbabwe African National Union (ZANU). The empirical chapters of the thesis narrow the focus to the main research subject, that explain the ZANU’s guerrilla warfare and how that was launched under the military wing of the Zimbabwe African National Liberation Army (ZANLA). The study looks, particularly on how and why that formation assembled groundswell support and generated pervasive intelligence to operate relentlessly against the Rhodesian colonial government resulting in a compromised independence in 1980. In addition to a wide-ranging survey of literature that deals with the Zimbabwean war of independence, the production of this thesis is thoroughly grounded on empirical methods that hinge on archival research and oral testimonies. The study breaks new ground in outlining the various facets and different phases of the Zimbabwean liberation war. It reveals that the liberation fighters were not merely provided with arms and deployed to fight the Rhodesian army. Rather they underwent a methodical process, which comprised recruitment, extensive training and fundamental political education. This re-represents an alternative narrative or even eccentric paradigm to that persistently presented within the conventional Zimbabwean liberation war historiography. The thesis breaks further new ground in discussing the complex nature of how intelligence gathering and propaganda uses were also centrally linked to the cooperation of or assistance from the various segments of the colonial African society. Its empirical chapters outline the various actions undertaken by the various groups and individuals, the language they adopted in expressing themselves and the convivial connections between them and the guerrilla fighters in the countryside as the war front expanded within the home boundaries. Chapters also explore in greater detail how the liberation movement bred the complex relation and contestation between the political formation of ZANU and its military wing, ZANLA. The uneven power relations between these two formations somehow dictated the course and the outcome of the liberation war. As a result a constitutional settlement or military victory became the two options by which the Rhodesian question could be resolved in the later 1970s. As it turned out, attempts to seek a constitutional solution became a feature of diplomatic dimensions of the postcolonial Rhodesian political landscape. The study concludes with the latter point. , Thesis (PHD) -- Faculty of Social Sciences and Humanities, 2011
- Full Text:
- Date Issued: 2011-01
- Authors: Dzimbanhete, Jephias Andrew (https://orcid.org/0000-0002-7648-8722)
- Date: 2011-01
- Subjects: National Liberation Movements -- Zimbabwe , Guerillas , Zimbabwe -- History -- Chimurenga
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10353/23315 , vital:57048
- Description: This study offers a comprehensive examination of the Zimbabwean war of independence depicting the mobilisation of forces of liberation against an intransigent colonial Rhodesian settler state during a critical decade of the 1970s. Its introductory outline presents a broad historical context to the decolonisation processes in Africa. It also introduces the two liberation movements that drove the war of independence, and these revolved around the Zimbabwe African People’s Union (ZAPU) and the Zimbabwe African National Union (ZANU). The empirical chapters of the thesis narrow the focus to the main research subject, that explain the ZANU’s guerrilla warfare and how that was launched under the military wing of the Zimbabwe African National Liberation Army (ZANLA). The study looks, particularly on how and why that formation assembled groundswell support and generated pervasive intelligence to operate relentlessly against the Rhodesian colonial government resulting in a compromised independence in 1980. In addition to a wide-ranging survey of literature that deals with the Zimbabwean war of independence, the production of this thesis is thoroughly grounded on empirical methods that hinge on archival research and oral testimonies. The study breaks new ground in outlining the various facets and different phases of the Zimbabwean liberation war. It reveals that the liberation fighters were not merely provided with arms and deployed to fight the Rhodesian army. Rather they underwent a methodical process, which comprised recruitment, extensive training and fundamental political education. This re-represents an alternative narrative or even eccentric paradigm to that persistently presented within the conventional Zimbabwean liberation war historiography. The thesis breaks further new ground in discussing the complex nature of how intelligence gathering and propaganda uses were also centrally linked to the cooperation of or assistance from the various segments of the colonial African society. Its empirical chapters outline the various actions undertaken by the various groups and individuals, the language they adopted in expressing themselves and the convivial connections between them and the guerrilla fighters in the countryside as the war front expanded within the home boundaries. Chapters also explore in greater detail how the liberation movement bred the complex relation and contestation between the political formation of ZANU and its military wing, ZANLA. The uneven power relations between these two formations somehow dictated the course and the outcome of the liberation war. As a result a constitutional settlement or military victory became the two options by which the Rhodesian question could be resolved in the later 1970s. As it turned out, attempts to seek a constitutional solution became a feature of diplomatic dimensions of the postcolonial Rhodesian political landscape. The study concludes with the latter point. , Thesis (PHD) -- Faculty of Social Sciences and Humanities, 2011
- Full Text:
- Date Issued: 2011-01
Cape Vultures (Gyps coprotheres) and the threat of wind farms: a race to extinction?
- Authors: Brooke, Francis Rae
- Date: 2022-04
- Subjects: Wind Turbines --Blades --Materials , Gyps --South Africa
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/55910 , vital:54399
- Description: The development of wind energy is increasing globally and is often considered more environmentally friendly when compared to fossil fuel technologies. However, one of the ecological drawbacks of wind energy are the collisions of wildlife with turbine blades. In addition, the resulting anthropogenic landscape transformation can negatively impact populations. The Cape Vulture (Gyps coprotheres), a large endangered southern African endemic species, thus may be at risk from turbine development. The species has decreased dramatically in the past 50 years and understanding how additional mortalities from wind turbine impacts affect the population is needed to ensure effective conservation efforts. This study aimed to determine the population response to this emerging threat. This study first reviewed the species-, site- and wind farm- specific traits that make Gyps species vulnerable to collision with wind energy infrastructure. It examined the monitoring practices employed during the pre- and post-construction phase and mitigation measures in South Africa and compared it with international standards. Furthermore, wind energy development may disrupt landscape connectivity and understanding which, and how habitat patches are used is needed. Using network theory combined with telemetry data from tagged individuals across three age classes, habitat patch use was identified. Further, environmental variables associated with identified habitat patches were identified. Additionally, considering the wind energy industry is expanding in South Africa, exploring how the Cape Vulture population will respond to this novel and emerging threat may aid future conservation management plans. Therefore, using a population viability analysis approach, the study explored how present and future wind turbine mortality scenarios impact the Cape Vulture population and how the population will respond to increased wind turbine development. , Thesis (PhD) -- Faculty of Science, School of Environmental Sciences, 2022
- Full Text:
- Date Issued: 2022-04
- Authors: Brooke, Francis Rae
- Date: 2022-04
- Subjects: Wind Turbines --Blades --Materials , Gyps --South Africa
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/55910 , vital:54399
- Description: The development of wind energy is increasing globally and is often considered more environmentally friendly when compared to fossil fuel technologies. However, one of the ecological drawbacks of wind energy are the collisions of wildlife with turbine blades. In addition, the resulting anthropogenic landscape transformation can negatively impact populations. The Cape Vulture (Gyps coprotheres), a large endangered southern African endemic species, thus may be at risk from turbine development. The species has decreased dramatically in the past 50 years and understanding how additional mortalities from wind turbine impacts affect the population is needed to ensure effective conservation efforts. This study aimed to determine the population response to this emerging threat. This study first reviewed the species-, site- and wind farm- specific traits that make Gyps species vulnerable to collision with wind energy infrastructure. It examined the monitoring practices employed during the pre- and post-construction phase and mitigation measures in South Africa and compared it with international standards. Furthermore, wind energy development may disrupt landscape connectivity and understanding which, and how habitat patches are used is needed. Using network theory combined with telemetry data from tagged individuals across three age classes, habitat patch use was identified. Further, environmental variables associated with identified habitat patches were identified. Additionally, considering the wind energy industry is expanding in South Africa, exploring how the Cape Vulture population will respond to this novel and emerging threat may aid future conservation management plans. Therefore, using a population viability analysis approach, the study explored how present and future wind turbine mortality scenarios impact the Cape Vulture population and how the population will respond to increased wind turbine development. , Thesis (PhD) -- Faculty of Science, School of Environmental Sciences, 2022
- Full Text:
- Date Issued: 2022-04
Experiences of children who have transitioned into foster care in Breidbach community in King Williams, Buffalo City, Eastern Cape
- Authors: Nkumbi, Sinazo
- Date: 2022-06
- Subjects: Foster children--Care , Children's rights , Participation
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10353/23776 , vital:60520
- Description: The study explored the experiences of children who have transitioned into foster care, looking in depth at their level of participation in matters concerning their lives. The researcher was predominantly inspired to conduct this research by children in communities who found themselves falling unintentionally into a system of foster care. There are overt hardships in communities that result in children needing care and protection. Children find themselves faced with abusive circumstances, experiencing loss and being abandoned. There is little research on experiences of children who have transitioned into foster care, on child participation in matters that involve their lives, and research that documents the perspectives of children. Children’s ability to exercise their constitutional right to participate, and making their voices heard regarding their life experiences through their own milieu, have also not received attention. There are several intervention systems put in place by the South African government to aid children in need of care and protection, and systems to place children in conducive environments. These systems are largely focused on placement of the child in need, application for foster care grants, foster parents, and the extension of the foster placement. However, there is very little information regarding the child’s right to participate in matters that involve their lives. The goal of the study was to investigate children’s participation in matters that affect their lives. It was interested in children’s perspectives. The aim was to explore the experiences of children who had transitioned into the foster care system in Breidbach Community in King Williams Town it Buffalo City Municipality. The purpose was to identify gaps, as there is minimal information concerning experiences of children who have transitioned into foster care and on children’s participation as stipulated within section 10 of the Children’s Act 38 of 2005. To be able to achieve the objectives of the study, interviews were conducted with purposefully sampled participants. Data obtained was analysed according to qualitative data analysis procedures. The researcher utilised exploratory, descriptive and contextual research designs. The domain where participants were interviewed was Breidbach, King Williams Town, and Buffalo City under the jurisdiction of the Department of Social Development (DSD) and Child Protection Organisations (CPO). Findings indicate the children lacked education on their right to participate in matters that affect their lives. Furthermore, some professionals did not involve the children in matters that affected them, leading to interventions on matters concerning the children that did not benefit from input by the children. Taking into cognisance of all the relevant information stated above, children’s right to participate in matters involving their lives is as paramount as the involvement of the social workers and the foster parents when determining their placement. A holistic approach has to be used, hence it is primary and recommended that, the investigation, intervention strategies and framework used by social workers in making sure that children in need of care and protection include the perspectives of children who are to be placed into foster care. This will be possible through the participation of a child. , Thesis (MSoc) -- Faculty of Social Sciences and Humanities, 2022
- Full Text:
- Date Issued: 2022-06
- Authors: Nkumbi, Sinazo
- Date: 2022-06
- Subjects: Foster children--Care , Children's rights , Participation
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10353/23776 , vital:60520
- Description: The study explored the experiences of children who have transitioned into foster care, looking in depth at their level of participation in matters concerning their lives. The researcher was predominantly inspired to conduct this research by children in communities who found themselves falling unintentionally into a system of foster care. There are overt hardships in communities that result in children needing care and protection. Children find themselves faced with abusive circumstances, experiencing loss and being abandoned. There is little research on experiences of children who have transitioned into foster care, on child participation in matters that involve their lives, and research that documents the perspectives of children. Children’s ability to exercise their constitutional right to participate, and making their voices heard regarding their life experiences through their own milieu, have also not received attention. There are several intervention systems put in place by the South African government to aid children in need of care and protection, and systems to place children in conducive environments. These systems are largely focused on placement of the child in need, application for foster care grants, foster parents, and the extension of the foster placement. However, there is very little information regarding the child’s right to participate in matters that involve their lives. The goal of the study was to investigate children’s participation in matters that affect their lives. It was interested in children’s perspectives. The aim was to explore the experiences of children who had transitioned into the foster care system in Breidbach Community in King Williams Town it Buffalo City Municipality. The purpose was to identify gaps, as there is minimal information concerning experiences of children who have transitioned into foster care and on children’s participation as stipulated within section 10 of the Children’s Act 38 of 2005. To be able to achieve the objectives of the study, interviews were conducted with purposefully sampled participants. Data obtained was analysed according to qualitative data analysis procedures. The researcher utilised exploratory, descriptive and contextual research designs. The domain where participants were interviewed was Breidbach, King Williams Town, and Buffalo City under the jurisdiction of the Department of Social Development (DSD) and Child Protection Organisations (CPO). Findings indicate the children lacked education on their right to participate in matters that affect their lives. Furthermore, some professionals did not involve the children in matters that affected them, leading to interventions on matters concerning the children that did not benefit from input by the children. Taking into cognisance of all the relevant information stated above, children’s right to participate in matters involving their lives is as paramount as the involvement of the social workers and the foster parents when determining their placement. A holistic approach has to be used, hence it is primary and recommended that, the investigation, intervention strategies and framework used by social workers in making sure that children in need of care and protection include the perspectives of children who are to be placed into foster care. This will be possible through the participation of a child. , Thesis (MSoc) -- Faculty of Social Sciences and Humanities, 2022
- Full Text:
- Date Issued: 2022-06
Délices et négation: une approche de l’écriture féminine à travers quelques romans Africains Francophones
- Authors: Anjugu, Taimako Ajigo
- Date: 2023-03-30
- Subjects: African fiction (French) History and criticism , Literature Women authors , Women authors, African , Reader-response criticism , Womanism in literature
- Language: French
- Type: Academic theses , Doctoral theses , text
- Identifier: http://hdl.handle.net/10962/409779 , vital:70629 , DOI 10.21504/10962/409779
- Description: From the onset, it is worthy to note that, nowadays, just as after the independence of most African countries, several writers from the African continent have been preoccupied with the fate of women. This is because, the African continent was since ancient times characterized by certain traditions and cultures which mainly have contributed to the plight of the women. This goes to emphasise that women in most cases are the victims of misdeeds such as early marriage, forced marriage, prejudices, violence, marginalisation, exploitation, discrimination; in short, vices that lead to devalorisation of African women in Africa. Over time, some contemporary French-speaking African writers have responded to the devaluation and valuation of women in their novels using 21st century objective view. With regard to the theme that we decided to address in this research, it is worth knowing that the preponderant task is based on the socio-critical theory, postulated by Claude Duchet. Meanwhile, recourse is also made to the comparative method by Rens, Bod et al. However, since the author’s message could be understood by the reader through the use of some expressions or terms that speak directly to the themes of the research, and that a reader’s role in reading experience cannot be overemphasised, we have been able to also lean on the Reader-response theory of Louise Michelle Rosenblatt. The three methods were used concurrently especially that the analysis of each text is based on how characters are being depicted leading us to realizing that our findings on how the African woman is devalued in the first part of the research, while in the second part of the thesis, our findings demonstrate that a lot of tributes are showered on the African woman due to her numerous outstanding qualities. In effect, our findings also reinforce a significant shift in the narrative that concerns the contemporary view on womanhood. Hence, moving from a dogmatic overconcentration on her lot to the new era woman whose lot is now redefined via the new wave feminist perspective on the negation of the African woman. This could be said to be in line with Amadiume Ifi’s contributions and pioneering work in feminist discourse towards new ways of thinking about sex and gender, the question of power, and women’s place in history and culture. , Pour commencer, il est nécessaire de se souvenir qu’à l’époque actuelle, comme juste après les indépendances de la plupart des pays africains, bon nombre des écrivains venant du continent africain décident de se préoccuper des méfaits sociaux tels que le mariage précoce et/ou forcé, les préjugés, la violence, la marginalisation, l’exploitation, la discrimination, entre autres. Tous ces vices sont issus de la négation de la femme africaine. Ceci se justifie par le fait que le continent africain était depuis l’antiquité caractérisé par certaines traditions et cultures qui ont contribué principalement aux dégâts ci-dessus soulignés subis par les femmes. En effet, nous estimons que beaucoup de femmes sont victimes de ces méfaits qui sont encore pratiqués dans certaines parties de l’Afrique. Avec le temps, certains écrivains africains francophones contemporains représentent la dévalorisation et la valorisation de la femme dans leurs romans en se servant d’une vision contemporaine, celle du XXIe siècle. En ce qui concerne le thème que nous avons décidé d'aborder dans cette recherche, il faut savoir que la tâche prépondérante repose sur la théorie sociocritique, postulée par Claude Duchet. Parallèlement, on a également recours à la méthode comparative de Bod Rens Et ses coauteurs. Cependant, puisque le message de l’auteur pourrait être compris aussi par le lecteur à travers l’usage de certaines expressions ou termes qui sont directement liés aux thèmes de la recherche, le rôle du lecteur dans l’expérience de lecture ne peut pas être surestimé, nous avons également pu nous appuyer sur la théorie de la réponse du lecteur de Louise Michelle Rosenblatt. Les trois méthodes ont été utilisées simultanément d'autant plus que l'analyse de chaque texte est basée sur la façon dont les personnages sont représentés ; ceci nous a amené à tirer nos conclusions sur la façon dont la femme africaine est dévalorisée dans la première partie de la recherche, tandis que dans la deuxième partie de la thèse, nos résultats démontrent que de nombreux hommages sont rendus à la femme africaine grâce à ses nombreuses qualités exceptionnelles. En effet, nos résultats renforcent également un changement important dans le récit qui concerne la vision contemporaine de la féminité. Par conséquent, passer d’une surconcentration dogmatique sur son sort à la femme de la nouvelle ère dont le sort est maintenant redéfini via la perspective féministe par rapport à la négation de la femme africaine telle a été la démarche. On pourrait dire que cela est au diapason avec les contributions d’Amadiume Ifi et avec son travail dans le discours féministe vers de nouvelles façons de penser le sexe et le genre, la question du pouvoir et la place de la femme dans l’histoire et la culture. , Thesis (PhD) -- Faculty of Humanities, School of Languages and Literatures, 2023
- Full Text:
- Date Issued: 2023-03-30
- Authors: Anjugu, Taimako Ajigo
- Date: 2023-03-30
- Subjects: African fiction (French) History and criticism , Literature Women authors , Women authors, African , Reader-response criticism , Womanism in literature
- Language: French
- Type: Academic theses , Doctoral theses , text
- Identifier: http://hdl.handle.net/10962/409779 , vital:70629 , DOI 10.21504/10962/409779
- Description: From the onset, it is worthy to note that, nowadays, just as after the independence of most African countries, several writers from the African continent have been preoccupied with the fate of women. This is because, the African continent was since ancient times characterized by certain traditions and cultures which mainly have contributed to the plight of the women. This goes to emphasise that women in most cases are the victims of misdeeds such as early marriage, forced marriage, prejudices, violence, marginalisation, exploitation, discrimination; in short, vices that lead to devalorisation of African women in Africa. Over time, some contemporary French-speaking African writers have responded to the devaluation and valuation of women in their novels using 21st century objective view. With regard to the theme that we decided to address in this research, it is worth knowing that the preponderant task is based on the socio-critical theory, postulated by Claude Duchet. Meanwhile, recourse is also made to the comparative method by Rens, Bod et al. However, since the author’s message could be understood by the reader through the use of some expressions or terms that speak directly to the themes of the research, and that a reader’s role in reading experience cannot be overemphasised, we have been able to also lean on the Reader-response theory of Louise Michelle Rosenblatt. The three methods were used concurrently especially that the analysis of each text is based on how characters are being depicted leading us to realizing that our findings on how the African woman is devalued in the first part of the research, while in the second part of the thesis, our findings demonstrate that a lot of tributes are showered on the African woman due to her numerous outstanding qualities. In effect, our findings also reinforce a significant shift in the narrative that concerns the contemporary view on womanhood. Hence, moving from a dogmatic overconcentration on her lot to the new era woman whose lot is now redefined via the new wave feminist perspective on the negation of the African woman. This could be said to be in line with Amadiume Ifi’s contributions and pioneering work in feminist discourse towards new ways of thinking about sex and gender, the question of power, and women’s place in history and culture. , Pour commencer, il est nécessaire de se souvenir qu’à l’époque actuelle, comme juste après les indépendances de la plupart des pays africains, bon nombre des écrivains venant du continent africain décident de se préoccuper des méfaits sociaux tels que le mariage précoce et/ou forcé, les préjugés, la violence, la marginalisation, l’exploitation, la discrimination, entre autres. Tous ces vices sont issus de la négation de la femme africaine. Ceci se justifie par le fait que le continent africain était depuis l’antiquité caractérisé par certaines traditions et cultures qui ont contribué principalement aux dégâts ci-dessus soulignés subis par les femmes. En effet, nous estimons que beaucoup de femmes sont victimes de ces méfaits qui sont encore pratiqués dans certaines parties de l’Afrique. Avec le temps, certains écrivains africains francophones contemporains représentent la dévalorisation et la valorisation de la femme dans leurs romans en se servant d’une vision contemporaine, celle du XXIe siècle. En ce qui concerne le thème que nous avons décidé d'aborder dans cette recherche, il faut savoir que la tâche prépondérante repose sur la théorie sociocritique, postulée par Claude Duchet. Parallèlement, on a également recours à la méthode comparative de Bod Rens Et ses coauteurs. Cependant, puisque le message de l’auteur pourrait être compris aussi par le lecteur à travers l’usage de certaines expressions ou termes qui sont directement liés aux thèmes de la recherche, le rôle du lecteur dans l’expérience de lecture ne peut pas être surestimé, nous avons également pu nous appuyer sur la théorie de la réponse du lecteur de Louise Michelle Rosenblatt. Les trois méthodes ont été utilisées simultanément d'autant plus que l'analyse de chaque texte est basée sur la façon dont les personnages sont représentés ; ceci nous a amené à tirer nos conclusions sur la façon dont la femme africaine est dévalorisée dans la première partie de la recherche, tandis que dans la deuxième partie de la thèse, nos résultats démontrent que de nombreux hommages sont rendus à la femme africaine grâce à ses nombreuses qualités exceptionnelles. En effet, nos résultats renforcent également un changement important dans le récit qui concerne la vision contemporaine de la féminité. Par conséquent, passer d’une surconcentration dogmatique sur son sort à la femme de la nouvelle ère dont le sort est maintenant redéfini via la perspective féministe par rapport à la négation de la femme africaine telle a été la démarche. On pourrait dire que cela est au diapason avec les contributions d’Amadiume Ifi et avec son travail dans le discours féministe vers de nouvelles façons de penser le sexe et le genre, la question du pouvoir et la place de la femme dans l’histoire et la culture. , Thesis (PhD) -- Faculty of Humanities, School of Languages and Literatures, 2023
- Full Text:
- Date Issued: 2023-03-30
Strategic architecture for quantity surveying Firms in South Africa
- Mokonenyane, Mofumahatsana Dibuseng
- Authors: Mokonenyane, Mofumahatsana Dibuseng
- Date: 2022-12
- Subjects: Sustainable architecture , Quantity surveyors
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/59521 , vital:62149
- Description: Quantity surveying firms are a crucial part of the construction industry because they are involved in the financial aspects of the projects, and their role and benefits have been documented across various studies. Furthermore, they provide services such as estimating, cost control and feasibility studies in numerous industries and these services are not limited to the construction industry. They are crucial in ensuring that the project proceeds according to budget, quality and time. Despite the noted benefits of quantity surveying firms, there has been a noticeable decline in the survival rate of the firms over the past ten years. It has been documented that several external and internal environmental factors affect the firms and thus have caused a decline in the survival rate. The volatility of internal and external forces that affect the industry has formed the basis of this study. Previous studies have failed to highlight the strategies to reduce threats and utilise opportunities. This study aims to establish common internal and external environmental factors affecting quantity surveying firms and determine these firms’ strategic architecture. A qualitative study was conducted using semi-structured interviews to assess the internal and external environment and strategic nature of Quantity surveying firms. In addition, a thematic analysis was administered to identify themes. The themes that arose from the external business environment were technology, political instability, tendering irregularities, lack of availability of work and the practice of green building. The technology theme highlighted the respondents’ views of the technological environment and the role of BIM and other software. Tendering irregularities threatened prospective tenderpreneurs as the respondents viewed the process as flawed and requiring better regulation. Lack of work was highlighted as a further factor. Although not many respondents mentioned this theme, green building is an emerging theme within the South African market. Two main themes were identified in the internal business environment: fee discounting and human resources. Fee discounting refers to the reduction of fees to secure work, while human resources were highlighted as an important factor and are regarded as the fuel that keeps the organisation running. Owing to the varying nature of factors within the external and internal business environment, it was concluded that there is no formal generic strategy that can be utilised to mitigate internal and external environmental factors. The client relationships were highlighted as an important factor, while client relationships were discussed under the balanced scorecard section of the study. The two main themes derived from the balanced scorecard were the financial perspective and client relationships under customer. Increased revenue per customer and venturing into new markets were the main themes mentioned within the financial perspective. The importance of nurturing client relationships was identified as an important factor under the customer section of the balanced scorecard. iii | P a g e The findings of this study will assist the stakeholders within the built environment in determining common internal and external environmental issues facing the industry. The recommendation will assist stakeholders in establishing probable solutions that can be implemented to overcome these challenges. , Thesis (MA) -- Faculty of Engineering, the Built Environment, and Technology, 2022
- Full Text:
- Date Issued: 2022-12
- Authors: Mokonenyane, Mofumahatsana Dibuseng
- Date: 2022-12
- Subjects: Sustainable architecture , Quantity surveyors
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/59521 , vital:62149
- Description: Quantity surveying firms are a crucial part of the construction industry because they are involved in the financial aspects of the projects, and their role and benefits have been documented across various studies. Furthermore, they provide services such as estimating, cost control and feasibility studies in numerous industries and these services are not limited to the construction industry. They are crucial in ensuring that the project proceeds according to budget, quality and time. Despite the noted benefits of quantity surveying firms, there has been a noticeable decline in the survival rate of the firms over the past ten years. It has been documented that several external and internal environmental factors affect the firms and thus have caused a decline in the survival rate. The volatility of internal and external forces that affect the industry has formed the basis of this study. Previous studies have failed to highlight the strategies to reduce threats and utilise opportunities. This study aims to establish common internal and external environmental factors affecting quantity surveying firms and determine these firms’ strategic architecture. A qualitative study was conducted using semi-structured interviews to assess the internal and external environment and strategic nature of Quantity surveying firms. In addition, a thematic analysis was administered to identify themes. The themes that arose from the external business environment were technology, political instability, tendering irregularities, lack of availability of work and the practice of green building. The technology theme highlighted the respondents’ views of the technological environment and the role of BIM and other software. Tendering irregularities threatened prospective tenderpreneurs as the respondents viewed the process as flawed and requiring better regulation. Lack of work was highlighted as a further factor. Although not many respondents mentioned this theme, green building is an emerging theme within the South African market. Two main themes were identified in the internal business environment: fee discounting and human resources. Fee discounting refers to the reduction of fees to secure work, while human resources were highlighted as an important factor and are regarded as the fuel that keeps the organisation running. Owing to the varying nature of factors within the external and internal business environment, it was concluded that there is no formal generic strategy that can be utilised to mitigate internal and external environmental factors. The client relationships were highlighted as an important factor, while client relationships were discussed under the balanced scorecard section of the study. The two main themes derived from the balanced scorecard were the financial perspective and client relationships under customer. Increased revenue per customer and venturing into new markets were the main themes mentioned within the financial perspective. The importance of nurturing client relationships was identified as an important factor under the customer section of the balanced scorecard. iii | P a g e The findings of this study will assist the stakeholders within the built environment in determining common internal and external environmental issues facing the industry. The recommendation will assist stakeholders in establishing probable solutions that can be implemented to overcome these challenges. , Thesis (MA) -- Faculty of Engineering, the Built Environment, and Technology, 2022
- Full Text:
- Date Issued: 2022-12
Students as Agents of Social Change-Student Initiatives at Rhodes University, South Africa
- Authors: Togo, Muchaiteyi
- Date: 2009
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/386561 , vital:68151 , xlink:href="https://www.ajol.info/index.php/sajee/article/view/122830"
- Description: Rhodes University has a diversity of sustainable development initiatives meant for students and in a range of cases activities are initiated by students themselves with the support of the university. Results of a sustainability assessment revealed the involvement of students in environmental societies, environmental awareness campaigns, campus sustainability initiatives and community sustainability projects. Though most of the projects are still in their infancy and some challenges are yet to be overcome, the sustainability initiatives are gaining momentum and have contributed to improving the overall picture of sustainability at the university. Based on the results of the Rhodes University case study, the underpinning viewpoint in this paper is that university students are not merely recipients of Education for Sustainable Development but have the capacity to become agents for social change.
- Full Text:
- Date Issued: 2009
- Authors: Togo, Muchaiteyi
- Date: 2009
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/386561 , vital:68151 , xlink:href="https://www.ajol.info/index.php/sajee/article/view/122830"
- Description: Rhodes University has a diversity of sustainable development initiatives meant for students and in a range of cases activities are initiated by students themselves with the support of the university. Results of a sustainability assessment revealed the involvement of students in environmental societies, environmental awareness campaigns, campus sustainability initiatives and community sustainability projects. Though most of the projects are still in their infancy and some challenges are yet to be overcome, the sustainability initiatives are gaining momentum and have contributed to improving the overall picture of sustainability at the university. Based on the results of the Rhodes University case study, the underpinning viewpoint in this paper is that university students are not merely recipients of Education for Sustainable Development but have the capacity to become agents for social change.
- Full Text:
- Date Issued: 2009
Melatonin alters the photodegradation of paracetamol
- Anoopkumar-Dukie, Shailendra, Glass, Beverley D, Walker, Roderick B, Daya, Santylal
- Authors: Anoopkumar-Dukie, Shailendra , Glass, Beverley D , Walker, Roderick B , Daya, Santylal
- Date: 2000
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/184357 , vital:44211 , xlink:href="https://doi.org/10.1211/146080800128735755"
- Description: The effects of melatonin, a known free-radical scavenger, on paracetamol in the presence of UV irradiation was studied by use of HPLC. The experiments were performed in air and nitrogen. The results show that the rate of photodegradation of melatonin is faster in air than in nitrogen whereas that of paracetamol is similar in air and nitrogen. When the two drugs were combined, melatonin retarded the degradation of paracetamol for up to 6h in the presence of nitrogen. However, in the presence of air melatonin rapidly enhances the photodegradation of paracetamol. This study shows that a combination of melatonin and paracetamol in the presence of air and UV irradiation can lead to rapid inactivation of both agents, thus raising important concerns about the possible use of melatonin as sunscreen
- Full Text:
- Date Issued: 2000
- Authors: Anoopkumar-Dukie, Shailendra , Glass, Beverley D , Walker, Roderick B , Daya, Santylal
- Date: 2000
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/184357 , vital:44211 , xlink:href="https://doi.org/10.1211/146080800128735755"
- Description: The effects of melatonin, a known free-radical scavenger, on paracetamol in the presence of UV irradiation was studied by use of HPLC. The experiments were performed in air and nitrogen. The results show that the rate of photodegradation of melatonin is faster in air than in nitrogen whereas that of paracetamol is similar in air and nitrogen. When the two drugs were combined, melatonin retarded the degradation of paracetamol for up to 6h in the presence of nitrogen. However, in the presence of air melatonin rapidly enhances the photodegradation of paracetamol. This study shows that a combination of melatonin and paracetamol in the presence of air and UV irradiation can lead to rapid inactivation of both agents, thus raising important concerns about the possible use of melatonin as sunscreen
- Full Text:
- Date Issued: 2000
A guide for the use of tablet PCs for teaching and learning activities for in classroom and distance learning in South African schools
- Authors: Theunissen, Kristen Emma
- Date: 2021-10-29
- Subjects: Tablet computers South Africa Makhanda , Blended learning South Africa Makhanda , Computer-assisted instruction South Africa Makhanda , Educational technology Study and teaching South Africa Makhanda , Teachers In-service training South Africa Makhanda , Pedagogical content knowledge South Africa Makhanda , Education Effect of technological innovations on South Africa Makhanda , South Africa. Department of Basic Education , TPACK (Technological Pedagogical Content Knowledge)
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10962/191920 , vital:45179
- Description: Education in South Africa is said to be in crisis in recent years as many learners cannot pass standardised tests at the correct grade level. This has encouraged the South African Government and the Department of Basic Education (DBE) to introduce technology, specifically Tablet PCs, into education to improve learning outcomes in South African government schools. Furthermore, because of the coronavirus pandemic that started in 2020, educators were increasingly expected to find alternative, digital, online methods to continue teaching learners. Thus, the need for remote or distance education suddenly became an important factor in creating a need for online, remote learning. Against this backdrop this study aimed to determine how and in what ways educators could be supported to promote effective use of Tablet PCs both in the classroom and for distance learning. This study used Action Design Research to develop a guide based on both theory and the results gathered from the educator participants at a local secondary government school in Makhanda, South Africa. The finalised guide presents recommendations to educators, principals, and the DBE to promote acceptance and adoption of technology in the classroom and for distance learning. These recommendations include the provision of data, technological training and pedagogical support, a functioning community of practice, an online learning community of practice, and support from the DBE. Other enrichment factors were also recommended. , Thesis (MCom) -- Faculty of Commerce, Information Systems, 2021
- Full Text:
- Date Issued: 2021-10-29
- Authors: Theunissen, Kristen Emma
- Date: 2021-10-29
- Subjects: Tablet computers South Africa Makhanda , Blended learning South Africa Makhanda , Computer-assisted instruction South Africa Makhanda , Educational technology Study and teaching South Africa Makhanda , Teachers In-service training South Africa Makhanda , Pedagogical content knowledge South Africa Makhanda , Education Effect of technological innovations on South Africa Makhanda , South Africa. Department of Basic Education , TPACK (Technological Pedagogical Content Knowledge)
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10962/191920 , vital:45179
- Description: Education in South Africa is said to be in crisis in recent years as many learners cannot pass standardised tests at the correct grade level. This has encouraged the South African Government and the Department of Basic Education (DBE) to introduce technology, specifically Tablet PCs, into education to improve learning outcomes in South African government schools. Furthermore, because of the coronavirus pandemic that started in 2020, educators were increasingly expected to find alternative, digital, online methods to continue teaching learners. Thus, the need for remote or distance education suddenly became an important factor in creating a need for online, remote learning. Against this backdrop this study aimed to determine how and in what ways educators could be supported to promote effective use of Tablet PCs both in the classroom and for distance learning. This study used Action Design Research to develop a guide based on both theory and the results gathered from the educator participants at a local secondary government school in Makhanda, South Africa. The finalised guide presents recommendations to educators, principals, and the DBE to promote acceptance and adoption of technology in the classroom and for distance learning. These recommendations include the provision of data, technological training and pedagogical support, a functioning community of practice, an online learning community of practice, and support from the DBE. Other enrichment factors were also recommended. , Thesis (MCom) -- Faculty of Commerce, Information Systems, 2021
- Full Text:
- Date Issued: 2021-10-29
On-site evaluation of smoking, alcohol consumption and physical inactivity among commercial taxi drivers in Buffalo City Metropolitan Municipality, South Africa
- Adedokun, Aanuoluwa Odunayo, Ter Goon, Daniel, Owolabi, Eyitayo Omolara, Adeniyi, Oladele Vincent, Ajayi, Anthony Idowu
- Authors: Adedokun, Aanuoluwa Odunayo , Ter Goon, Daniel , Owolabi, Eyitayo Omolara , Adeniyi, Oladele Vincent , Ajayi, Anthony Idowu
- Date: 2019
- Subjects: Alcohol use , Substance use , Commercial drivers
- Language: English
- Type: article , text
- Identifier: http://hdl.handle.net/11260/5086 , vital:44345 , https://doi.org/10.5539/gjhs.v11n2p110
- Description: Commercial drivers have been identified as eliciting behaviours that promote non- communicable diseases and road traffic accidents. The aim of the study is to determine the prevalence and pattern of alcohol use, smoking and physical inactivity among commercial taxi drivers in Buffalo City Metropolitan Municipality, South Africa. A cross-sectional study was conducted among 403 commercial drivers using the face-to-face interviews method. The WHO STEPwise questionnaire was used to obtain the demographic data, self-reported rate of alcohol consumption, tobacco use and physical inactivity. The participants’ mean age was 43.3 ± 12.5 years. About 30% of the participants were daily smokers, 37% consumed alcohol regularly and only 18% were physically active, whilst 82% were physically inactive. The prevalence of alcohol use, smoking and physical inactivity is high among commercial drivers in East London. Workplace health education on the health effects of these lifestyles’ risky behaviours on individuals and the general public should be given to the drivers.
- Full Text:
- Date Issued: 2019
- Authors: Adedokun, Aanuoluwa Odunayo , Ter Goon, Daniel , Owolabi, Eyitayo Omolara , Adeniyi, Oladele Vincent , Ajayi, Anthony Idowu
- Date: 2019
- Subjects: Alcohol use , Substance use , Commercial drivers
- Language: English
- Type: article , text
- Identifier: http://hdl.handle.net/11260/5086 , vital:44345 , https://doi.org/10.5539/gjhs.v11n2p110
- Description: Commercial drivers have been identified as eliciting behaviours that promote non- communicable diseases and road traffic accidents. The aim of the study is to determine the prevalence and pattern of alcohol use, smoking and physical inactivity among commercial taxi drivers in Buffalo City Metropolitan Municipality, South Africa. A cross-sectional study was conducted among 403 commercial drivers using the face-to-face interviews method. The WHO STEPwise questionnaire was used to obtain the demographic data, self-reported rate of alcohol consumption, tobacco use and physical inactivity. The participants’ mean age was 43.3 ± 12.5 years. About 30% of the participants were daily smokers, 37% consumed alcohol regularly and only 18% were physically active, whilst 82% were physically inactive. The prevalence of alcohol use, smoking and physical inactivity is high among commercial drivers in East London. Workplace health education on the health effects of these lifestyles’ risky behaviours on individuals and the general public should be given to the drivers.
- Full Text:
- Date Issued: 2019
The effectiveness of schools-based National Arbor Week activities in greening of urban homesteads
- Parkin, Fiona, Shackleton, Charlie M, Schudel, Ingrid J
- Authors: Parkin, Fiona , Shackleton, Charlie M , Schudel, Ingrid J
- Date: 2006
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/294447 , vital:57222 , xlink:href="https://doi.org/10.1016/j.ufug.2006.08.001"
- Description: Arbor Day, or Week, is a well-established greening initiative worldwide, focusing on tree planting and the benefits thereof. Frequently most effort is targeted at institutions such as schools and community groups. Yet there has been limited assessment of the success of Arbor Day, or Week, activities both at the schools, or the wider dissemination in neighbouring communities and suburbs. The objective of this study was to determine the influence of school-based Arbor Week activities on learners’ home-based practices regarding tree planting and urban forestry. Learners from three schools in Grahamstown South Africa, with good Arbor Week participation, were assessed on their tree planting knowledge. The learners’ parents were also interviewed to determine whether the information obtained by the learners at school was taken home. A control group consisting of people with no children or very young children was also assessed. This study found that Arbor Week activities were, for the most part, successfully taught in the case study schools, and most of the learners stated that their knowledge of trees and their benefits came from their school activities. However, many learners could not remember the activities in which their schools partook the previous year. Whilst most learners were aware of the importance of trees, few had encouraged tree planting at home. However, over one-fifth of adults claimed that their knowledge of the benefits of trees was as a consequence of Arbor Day activities when they were young. Numerous constraints to tree planting were provided by learners and both the adult groups, the two most frequent being limited space and falling leaves making their yards untidy. External organisations should become more actively involved and provide much needed support systems if greening initiatives are to reach the wider community.
- Full Text:
- Date Issued: 2006
- Authors: Parkin, Fiona , Shackleton, Charlie M , Schudel, Ingrid J
- Date: 2006
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/294447 , vital:57222 , xlink:href="https://doi.org/10.1016/j.ufug.2006.08.001"
- Description: Arbor Day, or Week, is a well-established greening initiative worldwide, focusing on tree planting and the benefits thereof. Frequently most effort is targeted at institutions such as schools and community groups. Yet there has been limited assessment of the success of Arbor Day, or Week, activities both at the schools, or the wider dissemination in neighbouring communities and suburbs. The objective of this study was to determine the influence of school-based Arbor Week activities on learners’ home-based practices regarding tree planting and urban forestry. Learners from three schools in Grahamstown South Africa, with good Arbor Week participation, were assessed on their tree planting knowledge. The learners’ parents were also interviewed to determine whether the information obtained by the learners at school was taken home. A control group consisting of people with no children or very young children was also assessed. This study found that Arbor Week activities were, for the most part, successfully taught in the case study schools, and most of the learners stated that their knowledge of trees and their benefits came from their school activities. However, many learners could not remember the activities in which their schools partook the previous year. Whilst most learners were aware of the importance of trees, few had encouraged tree planting at home. However, over one-fifth of adults claimed that their knowledge of the benefits of trees was as a consequence of Arbor Day activities when they were young. Numerous constraints to tree planting were provided by learners and both the adult groups, the two most frequent being limited space and falling leaves making their yards untidy. External organisations should become more actively involved and provide much needed support systems if greening initiatives are to reach the wider community.
- Full Text:
- Date Issued: 2006
A compliance framework for IT governance adoption and use by state-owned entities in South Africa
- Authors: Nxozi, Monelo
- Date: 2023-03-31
- Subjects: Uncatalogued
- Language: English
- Type: Academic theses , Doctoral theses , text
- Identifier: http://hdl.handle.net/10962/419244 , vital:71628
- Description: Embargoed. Possible release date in early 2025. , Thesis (PhD) -- Faculty of Commerce, Information Systems, 2023
- Full Text:
- Date Issued: 2023-03-31
- Authors: Nxozi, Monelo
- Date: 2023-03-31
- Subjects: Uncatalogued
- Language: English
- Type: Academic theses , Doctoral theses , text
- Identifier: http://hdl.handle.net/10962/419244 , vital:71628
- Description: Embargoed. Possible release date in early 2025. , Thesis (PhD) -- Faculty of Commerce, Information Systems, 2023
- Full Text:
- Date Issued: 2023-03-31
The distribution and perceptions of invasive alien plants in small towns in the Eastern Cape province, South Africa
- Authors: Seboko, Tshepiso Collen
- Date: 2022-10-14
- Subjects: Uncatalogued
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/${Handle} , vital:65669
- Description: Invasive alien plants (IAP) of different life forms have major effects on biodiversity, ecosystem functioning, economies, and livelihoods worldwide. There is evidence that IAP are rapidly increasing around the world, and the negative impacts associated with them are expected to worsen due to continuing land transformation, climate change, and urbanisation. Yet, information on the distribution, abundance, knowledge, and perceptions of IAP is limited, especially in small towns. Most previous research has largely focused on rural settings and larger cities, thus hindering the effective control and management of IAP in smaller urban settings. It is therefore important to assess the distribution of IAP to provide useful information to guide clearing and mitigation efforts to reduce the impacts and proliferation of IAP in smaller urban settings. Consequently, the aim of the study was to determine the distribution, composition, abundance, and perceptions of woody IAP in small towns in the Eastern Cape province of South Africa and assess how and why they may differ within and between towns. To achieve this aim, a drive by road survey was undertaken across all suburbs and land use types in 12 small towns located in the Eastern Cape province of South Africa. The 12 randomly selected small towns were, Adelaide, Alexandria, Barkley East, Bedford, Burgersdorp, Cathcart, Kirkwood, Middelburg, Paterson, Somerset East, St. Francis Bay and Willowmore. All woody IAP visible from the surveyed roads were counted across all suburbs and land use types within each town. A total of 38 427 woody IAP were enumerated, with 56 species across different land use types and suburbs in all towns. Affluent suburbs accounted for 58% of the IAP enumerated, while the Reconstructed Development Programme (RDP) suburbs accounted for only 5%. In terms of the land use type, most of the IAP were encountered in the residential areas (54%), as compared to, road verges (32%) and public urban green spaces (PUGS) (14%). Of the 12 towns, Middleburg had the highest number of woody IAP, with 5 573 individuals, while Paterson had the lowest number with 947. The most common IAP species across all towns was Melia azedarach with 4 384 individuals, followed by Pinus elliotti (4 051), and Jacaranda mimosifolia (3 640). Spathodea campanulata, Ardisia crenata, and Parkinsonia aculeata had the lowest number of individuals with only two individuals each across all towns. This study also assessed the knowledge, perceptions, and willingness of urban residents to control IAP in their home yards using household surveys. A total of 240 household surveys were administered in the 12 towns. The results showed that more than half of the respondents (59%) had no knowledge of IAP, while 14% had neutral knowledge and only 2% had high knowledge. Forty percent of the respondents agreed that IAP pose a problem to the environment whilst 11% did not think IAP posed a problem to the environment, and 49% stated that they do not know. Most of the respondents (91%) perceived IAP positively, and stated that they benefit from the IAP, with the most mentioned benefit being shade (50%). Almost two-thirds of the respondents (65%) were willing to report on the IAP in their yards to the relevant authorities that deal with the control and management of IAP. Over half (56%) of the respondents were willing to have the IAP removed from their gardens, with the most stated reason for removal was because the IAP caused damage to property (13%). Respondents thought that the local government (35%) or district government (30%) should be responsible for the control and management of IAP. Overall, the study showed that IAP species were most common in residential land use type and affluent suburbs. These findings can assist the relevant authorities that deal with IAP, regarding which plant species, suburbs, and land use types to prioritise regarding awareness and investment for control and management. This will also help explore alternative indigenous species that can be used as replacements that may offer the same benefits derived from IAP by urban residents. , Thesis (MSc) -- Faculty of Science, Environmental Science, 2022
- Full Text:
- Date Issued: 2022-10-14
- Authors: Seboko, Tshepiso Collen
- Date: 2022-10-14
- Subjects: Uncatalogued
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/${Handle} , vital:65669
- Description: Invasive alien plants (IAP) of different life forms have major effects on biodiversity, ecosystem functioning, economies, and livelihoods worldwide. There is evidence that IAP are rapidly increasing around the world, and the negative impacts associated with them are expected to worsen due to continuing land transformation, climate change, and urbanisation. Yet, information on the distribution, abundance, knowledge, and perceptions of IAP is limited, especially in small towns. Most previous research has largely focused on rural settings and larger cities, thus hindering the effective control and management of IAP in smaller urban settings. It is therefore important to assess the distribution of IAP to provide useful information to guide clearing and mitigation efforts to reduce the impacts and proliferation of IAP in smaller urban settings. Consequently, the aim of the study was to determine the distribution, composition, abundance, and perceptions of woody IAP in small towns in the Eastern Cape province of South Africa and assess how and why they may differ within and between towns. To achieve this aim, a drive by road survey was undertaken across all suburbs and land use types in 12 small towns located in the Eastern Cape province of South Africa. The 12 randomly selected small towns were, Adelaide, Alexandria, Barkley East, Bedford, Burgersdorp, Cathcart, Kirkwood, Middelburg, Paterson, Somerset East, St. Francis Bay and Willowmore. All woody IAP visible from the surveyed roads were counted across all suburbs and land use types within each town. A total of 38 427 woody IAP were enumerated, with 56 species across different land use types and suburbs in all towns. Affluent suburbs accounted for 58% of the IAP enumerated, while the Reconstructed Development Programme (RDP) suburbs accounted for only 5%. In terms of the land use type, most of the IAP were encountered in the residential areas (54%), as compared to, road verges (32%) and public urban green spaces (PUGS) (14%). Of the 12 towns, Middleburg had the highest number of woody IAP, with 5 573 individuals, while Paterson had the lowest number with 947. The most common IAP species across all towns was Melia azedarach with 4 384 individuals, followed by Pinus elliotti (4 051), and Jacaranda mimosifolia (3 640). Spathodea campanulata, Ardisia crenata, and Parkinsonia aculeata had the lowest number of individuals with only two individuals each across all towns. This study also assessed the knowledge, perceptions, and willingness of urban residents to control IAP in their home yards using household surveys. A total of 240 household surveys were administered in the 12 towns. The results showed that more than half of the respondents (59%) had no knowledge of IAP, while 14% had neutral knowledge and only 2% had high knowledge. Forty percent of the respondents agreed that IAP pose a problem to the environment whilst 11% did not think IAP posed a problem to the environment, and 49% stated that they do not know. Most of the respondents (91%) perceived IAP positively, and stated that they benefit from the IAP, with the most mentioned benefit being shade (50%). Almost two-thirds of the respondents (65%) were willing to report on the IAP in their yards to the relevant authorities that deal with the control and management of IAP. Over half (56%) of the respondents were willing to have the IAP removed from their gardens, with the most stated reason for removal was because the IAP caused damage to property (13%). Respondents thought that the local government (35%) or district government (30%) should be responsible for the control and management of IAP. Overall, the study showed that IAP species were most common in residential land use type and affluent suburbs. These findings can assist the relevant authorities that deal with IAP, regarding which plant species, suburbs, and land use types to prioritise regarding awareness and investment for control and management. This will also help explore alternative indigenous species that can be used as replacements that may offer the same benefits derived from IAP by urban residents. , Thesis (MSc) -- Faculty of Science, Environmental Science, 2022
- Full Text:
- Date Issued: 2022-10-14
Spatial and temporal analysis of the critical zone in the Western rift valley corridor: towards earth stewardship science in East Africa
- Authors: Miller, Warren David
- Date: 2022-12
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/59771 , vital:62423
- Description: Over the coming decades, Africa is expected to experience disturbing effects due to climate change and increased land cover change due to human influences presenting a significant concern for the future well-being of human and biological systems, the latter being the foundation of ecosystem services supplied to humanity. Therefore, unprecedented transdisciplinary cooperation, coordination, and integration amongst researchers, government, and civil society are necessary to increase the resiliency of these systems. This study aims to provide an outline of the Africa Alive Corridors (AAC) as an essential model for the encouragement of sustainable development through Earth Stewardship science. These aims are accompanied by the quantification and forward modelling for land cover change of the Critical Zone over 10 Great Lake Basins across one of the AAC, the Western Rift Valley Corridor (WRVC), in East Africa between the years 2018 and 2060. This approach provides the foundation for implementing improved regional governance, better encouragement of sustainable development beyond the 2030 United Nations Sustainable Development Goals, and education programs, such as the AAC, that promote socio-ecological resilience through Earth Stewardship Science. The AAC archives a portion of East Africa as the WRVC, a corridor along the western branch of the East African Rift System that highlights twenty heritage nodes, primarily great lakes, mountain ranges, national parks, and biological hotspots. These heritage entities are associated with ca. 12-million-years of evolution and transformation of the East African topography and related African Great Lake (AGL) systems. The thesis defines the study area by delineating AGL basins intersected by the WRVC. Across these basins, land cover change analysis provides a platform for an integrated assessment of the projected health of the corridor region. Existing land cover datasets provide the initial conditions of the study area for 2008 and 2013. Land cover between 2008 and 2013 is cross-tabulated using the Land Cover Module in the Terrset software, followed by the iii delineation of sub-models and driver variable identification. The Multi-Layer Perceptron algorithm provides the transition potentials between tree cover, urban area, cropland, wetland, and open area classes. Change quantification and prediction using Markov Chain analysis are then established for 2018, 2030, and 2060. The model successfully simulated future land cover change and concluded that: (1) proximity to existing human activity, proximity to existing tree cover, and population are the primary drivers of change; (2) the dominant land cover of the ten lake basins for 2018 was cropland at ca. 48%, followed by tree cover at ca. 33%; (3) total anthropogenic change over the coming four decades equates to over ca. 52 000 km2 (5 200 000 ha), and particularly (4) an urban area is expected to increase by >130%. This assessment ultimately provides a platform for regional governance development at the basin scale and Earth Stewardship science in East Africa. These changes require transdisciplinary action from researchers to civil society. The AAC provides the foundation for understanding the dynamics of the systems that support life across broader spatial and temporal resolutions in Africa, highlighting the need for future generations to build socio-ecological resilience to anticipate challenges such as biodiversity loss posed by climate change and excessive land cover change. , Thesis (DSc) -- Faculty of Science, School of Environmental Sciences, 2022
- Full Text:
- Date Issued: 2022-12
- Authors: Miller, Warren David
- Date: 2022-12
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/59771 , vital:62423
- Description: Over the coming decades, Africa is expected to experience disturbing effects due to climate change and increased land cover change due to human influences presenting a significant concern for the future well-being of human and biological systems, the latter being the foundation of ecosystem services supplied to humanity. Therefore, unprecedented transdisciplinary cooperation, coordination, and integration amongst researchers, government, and civil society are necessary to increase the resiliency of these systems. This study aims to provide an outline of the Africa Alive Corridors (AAC) as an essential model for the encouragement of sustainable development through Earth Stewardship science. These aims are accompanied by the quantification and forward modelling for land cover change of the Critical Zone over 10 Great Lake Basins across one of the AAC, the Western Rift Valley Corridor (WRVC), in East Africa between the years 2018 and 2060. This approach provides the foundation for implementing improved regional governance, better encouragement of sustainable development beyond the 2030 United Nations Sustainable Development Goals, and education programs, such as the AAC, that promote socio-ecological resilience through Earth Stewardship Science. The AAC archives a portion of East Africa as the WRVC, a corridor along the western branch of the East African Rift System that highlights twenty heritage nodes, primarily great lakes, mountain ranges, national parks, and biological hotspots. These heritage entities are associated with ca. 12-million-years of evolution and transformation of the East African topography and related African Great Lake (AGL) systems. The thesis defines the study area by delineating AGL basins intersected by the WRVC. Across these basins, land cover change analysis provides a platform for an integrated assessment of the projected health of the corridor region. Existing land cover datasets provide the initial conditions of the study area for 2008 and 2013. Land cover between 2008 and 2013 is cross-tabulated using the Land Cover Module in the Terrset software, followed by the iii delineation of sub-models and driver variable identification. The Multi-Layer Perceptron algorithm provides the transition potentials between tree cover, urban area, cropland, wetland, and open area classes. Change quantification and prediction using Markov Chain analysis are then established for 2018, 2030, and 2060. The model successfully simulated future land cover change and concluded that: (1) proximity to existing human activity, proximity to existing tree cover, and population are the primary drivers of change; (2) the dominant land cover of the ten lake basins for 2018 was cropland at ca. 48%, followed by tree cover at ca. 33%; (3) total anthropogenic change over the coming four decades equates to over ca. 52 000 km2 (5 200 000 ha), and particularly (4) an urban area is expected to increase by >130%. This assessment ultimately provides a platform for regional governance development at the basin scale and Earth Stewardship science in East Africa. These changes require transdisciplinary action from researchers to civil society. The AAC provides the foundation for understanding the dynamics of the systems that support life across broader spatial and temporal resolutions in Africa, highlighting the need for future generations to build socio-ecological resilience to anticipate challenges such as biodiversity loss posed by climate change and excessive land cover change. , Thesis (DSc) -- Faculty of Science, School of Environmental Sciences, 2022
- Full Text:
- Date Issued: 2022-12
Photoreduction of tin (IV) phthalocyanines
- Authors: Nyokong, Tebello
- Date: 1994
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/293413 , vital:57083 , xlink:href="https://doi.org/10.1016/S0277-5387(00)83491-9"
- Description: Photolysis of Sn(IV)Pc(OH)2 (Pc = phthalocyanine dianion) and Sn(IV)Pc(Cl)2 using a tungsten lamp, and in the presence of SnCl2·2H2O as an electron donor results in the reduction of these complexes of π anion radical species. The reduction shows second order dependence on the concentration of the Sn(IV)Pc complexes and a first order dependence on SnCl2·H2O.
- Full Text:
- Date Issued: 1994
- Authors: Nyokong, Tebello
- Date: 1994
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/293413 , vital:57083 , xlink:href="https://doi.org/10.1016/S0277-5387(00)83491-9"
- Description: Photolysis of Sn(IV)Pc(OH)2 (Pc = phthalocyanine dianion) and Sn(IV)Pc(Cl)2 using a tungsten lamp, and in the presence of SnCl2·2H2O as an electron donor results in the reduction of these complexes of π anion radical species. The reduction shows second order dependence on the concentration of the Sn(IV)Pc complexes and a first order dependence on SnCl2·H2O.
- Full Text:
- Date Issued: 1994
Hop as an anti-cancer drug target
- Vaaltyn, Michaelone Chantelle
- Authors: Vaaltyn, Michaelone Chantelle
- Date: 2020
- Subjects: Uncatalogued
- Language: English
- Type: thesis , text , Doctoral , PhD
- Identifier: http://hdl.handle.net/10962/164704 , vital:41156 , doi:10.21504/10962/164704
- Description: Thesis (PhD)--Rhodes University, Biochemistry and Microbiology, 2020
- Full Text:
- Date Issued: 2020
- Authors: Vaaltyn, Michaelone Chantelle
- Date: 2020
- Subjects: Uncatalogued
- Language: English
- Type: thesis , text , Doctoral , PhD
- Identifier: http://hdl.handle.net/10962/164704 , vital:41156 , doi:10.21504/10962/164704
- Description: Thesis (PhD)--Rhodes University, Biochemistry and Microbiology, 2020
- Full Text:
- Date Issued: 2020
Synthesis, photophysical and nonlinear optical properties of microwave synthesized 4-tetra and octa-substituted lead phthalocyanines
- Modibane, Desmond K, Nyokong, Tebello
- Authors: Modibane, Desmond K , Nyokong, Tebello
- Date: 2009
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/263452 , vital:53629 , xlink:href="https://doi.org/10.1016/j.poly.2009.03.013"
- Description: This work presents the photophysical and nonlinear optical behaviour of newly synthesized complexes: 2,(3)-tetrakis(4-benzyloxyphenoxyphthalocyaninato) lead (5a) and 2,3-octakis(4-benzyloxyphenoxyphthalocyaninato) lead (6a). The nonlinear optical behaviour of complexes 5a and 6a are compared with those of 2,(3)-tetraphenoxyphthalocyaninato lead (5b), 2,(3)-tetrakis(4-t-butylphenoxyphthalocyaninato) lead (5c), 2,3-octaphenoxyphthalocyaninato lead (6b) and 2,3-octakis(4-t-butylphenoxyphthalocyaninato) lead (6c). The synthesis of 5a and 6a was performed using microwave irradiation. Photophysical properties were studied for these complexes in dimethylsulfoxide, dimethylformamide, toluene, tetrahydrofuran and chloroform. The fluorescence spectra were different from excitation spectra due to demetallation upon excitation. High triplet quantum yields ranging from 0.80 to 0.86 (in DMSO, DMF and toluene) and low triplet lifetimes (20–50 μs in DMSO, and more than 10 μs in the rest of the solvents) were observed due to the presence of heavy atom. Nonlinear optical properties were studied in dimethylsulfoxide. The optical limiting threshold intensity (Ilim) for the PbPc derivatives were calculated and ranged from 2.1 to 6.6 W/cm2.
- Full Text:
- Date Issued: 2009
- Authors: Modibane, Desmond K , Nyokong, Tebello
- Date: 2009
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/263452 , vital:53629 , xlink:href="https://doi.org/10.1016/j.poly.2009.03.013"
- Description: This work presents the photophysical and nonlinear optical behaviour of newly synthesized complexes: 2,(3)-tetrakis(4-benzyloxyphenoxyphthalocyaninato) lead (5a) and 2,3-octakis(4-benzyloxyphenoxyphthalocyaninato) lead (6a). The nonlinear optical behaviour of complexes 5a and 6a are compared with those of 2,(3)-tetraphenoxyphthalocyaninato lead (5b), 2,(3)-tetrakis(4-t-butylphenoxyphthalocyaninato) lead (5c), 2,3-octaphenoxyphthalocyaninato lead (6b) and 2,3-octakis(4-t-butylphenoxyphthalocyaninato) lead (6c). The synthesis of 5a and 6a was performed using microwave irradiation. Photophysical properties were studied for these complexes in dimethylsulfoxide, dimethylformamide, toluene, tetrahydrofuran and chloroform. The fluorescence spectra were different from excitation spectra due to demetallation upon excitation. High triplet quantum yields ranging from 0.80 to 0.86 (in DMSO, DMF and toluene) and low triplet lifetimes (20–50 μs in DMSO, and more than 10 μs in the rest of the solvents) were observed due to the presence of heavy atom. Nonlinear optical properties were studied in dimethylsulfoxide. The optical limiting threshold intensity (Ilim) for the PbPc derivatives were calculated and ranged from 2.1 to 6.6 W/cm2.
- Full Text:
- Date Issued: 2009
Drifting towards death: a South African patient safety incident through an HFE Systems lens
- Authors: Agar, Sarah Leigh
- Date: 2022-10-14
- Subjects: Patients Safety measures , Medical errors Prevention , Human engineering , Medical care South Africa
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/362716 , vital:65356
- Description: Patient Safety Incidents (PSI) are a frequent occurrence within the South African public healthcare system wherein a patient is unnecessarily maimed, harmed, killed, or put through significant trauma, emotional or physical. These incidents have a significant impact on the performance of the system and the well-being of individuals involved. Often PSI are the result of multiple system failings that provide the necessary preconditions for the PSI to occur. Thus, to provide appropriate patient safety recommendations to address and aid in the prevention of future PSI it is necessary to apply a systems approach to PSI analysis. A systems approach supports a ‘bigger picture’ view of an incident which includes looking beyond the immediate causes of a PSI and taking the different levels of the healthcare system into consideration during incident analysis. Human Factors and Ergonomics (HFE) is at its core a systems discipline and has been successfully applied to multiple fields including healthcare. HFE offers multiple incident analysis tools grounded in systems theory. The Life Esidimeni incident, a PSI that resulted in the death of 144 MHCU, is the biggest PSI in recent South African history and is therefore an important potential case study for the application of HFE systems tools within the South African healthcare context (an area that is lacking in existing literature). The objectives of this research were to (i) Systematically uncover the causal factors that led to the outcome of the of the Life Esidimeni incident; (ii) Identify critical faults, and gaps within the healthcare system that led to the Life Esidimeni PSI; and (iii) Provide proactive recommendations for future prevention of PSI. To fulfil these objectives a descriptive case study research method design was adopted using a qualitative systems-based tool, AcciMap. The application of AcciMap to Life Esidimeni enabled both the sharp end and blunt end causal factors that contributed to the outcome of the incident to be identified. Importantly this provided insight into the critical faults and gaps of the South African public healthcare system. The results of the AcciMap indicated that there were four main broad systemic faults in the system. These broad areas were categorized as key themes, which include: (i) competency, (ii) safeguards, (iii) time pressures, and (iv) vertical integration. From these key themes recommendations aimed at addressing the critical faults and gaps in the system and preventing future PSI were made. , Thesis (MSc) -- Faculty of Science, Human Kinetics and Ergonomics, 2022
- Full Text:
- Date Issued: 2022-10-14
- Authors: Agar, Sarah Leigh
- Date: 2022-10-14
- Subjects: Patients Safety measures , Medical errors Prevention , Human engineering , Medical care South Africa
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/362716 , vital:65356
- Description: Patient Safety Incidents (PSI) are a frequent occurrence within the South African public healthcare system wherein a patient is unnecessarily maimed, harmed, killed, or put through significant trauma, emotional or physical. These incidents have a significant impact on the performance of the system and the well-being of individuals involved. Often PSI are the result of multiple system failings that provide the necessary preconditions for the PSI to occur. Thus, to provide appropriate patient safety recommendations to address and aid in the prevention of future PSI it is necessary to apply a systems approach to PSI analysis. A systems approach supports a ‘bigger picture’ view of an incident which includes looking beyond the immediate causes of a PSI and taking the different levels of the healthcare system into consideration during incident analysis. Human Factors and Ergonomics (HFE) is at its core a systems discipline and has been successfully applied to multiple fields including healthcare. HFE offers multiple incident analysis tools grounded in systems theory. The Life Esidimeni incident, a PSI that resulted in the death of 144 MHCU, is the biggest PSI in recent South African history and is therefore an important potential case study for the application of HFE systems tools within the South African healthcare context (an area that is lacking in existing literature). The objectives of this research were to (i) Systematically uncover the causal factors that led to the outcome of the of the Life Esidimeni incident; (ii) Identify critical faults, and gaps within the healthcare system that led to the Life Esidimeni PSI; and (iii) Provide proactive recommendations for future prevention of PSI. To fulfil these objectives a descriptive case study research method design was adopted using a qualitative systems-based tool, AcciMap. The application of AcciMap to Life Esidimeni enabled both the sharp end and blunt end causal factors that contributed to the outcome of the incident to be identified. Importantly this provided insight into the critical faults and gaps of the South African public healthcare system. The results of the AcciMap indicated that there were four main broad systemic faults in the system. These broad areas were categorized as key themes, which include: (i) competency, (ii) safeguards, (iii) time pressures, and (iv) vertical integration. From these key themes recommendations aimed at addressing the critical faults and gaps in the system and preventing future PSI were made. , Thesis (MSc) -- Faculty of Science, Human Kinetics and Ergonomics, 2022
- Full Text:
- Date Issued: 2022-10-14
Effect of bromination on the optical limiting properties at 532 nm of BODIPY dyes with p-benzyloxystyryl groups at the 3, 5-positions
- Ngoy, Bokolombe P, May, Aviwe K, Mack, John, Nyokong, Tebello
- Authors: Ngoy, Bokolombe P , May, Aviwe K , Mack, John , Nyokong, Tebello
- Date: 2019
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/187507 , vital:44665 , xlink:href="https://doi.org/10.1016/j.molstruc.2018.08.012"
- Description: The optical limiting (OL) properties of 3,5-di-p-benzyloxystyrylBODIPY dyes that contain both protons and bromine atoms at the 2,6-positions have been investigated by using the Z-scan technique at 532 nm on the nanosecond timescale. There is relatively weak absorbance at 532 nm under ambient light conditions, because the incorporation of p-benzyloxystyryl groups at the 3,5-positions results in a ca. 140 nm red shift of the main BODIPY spectral band to the 640–670 nm range. Reverse saturable absorbance (RSA) profiles that are consistent with an excited state absorption (ESA) mechanism involving the T1 and/or S1 states are observed in CH2Cl2 solution. Second order hyperpolarizability values of ca. 8 × 10−30 esu are obtained and this demonstrates that the dyes are potentially suitable for use in OL applications at 532 nm. There is a slight enhancement of the OL properties upon bromination, due to increased intersystem crossing to the triplet manifold, but the enhancement of the OL properties is less significant than has been observed with metal phthalocyanine complexes.
- Full Text:
- Date Issued: 2019
- Authors: Ngoy, Bokolombe P , May, Aviwe K , Mack, John , Nyokong, Tebello
- Date: 2019
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/187507 , vital:44665 , xlink:href="https://doi.org/10.1016/j.molstruc.2018.08.012"
- Description: The optical limiting (OL) properties of 3,5-di-p-benzyloxystyrylBODIPY dyes that contain both protons and bromine atoms at the 2,6-positions have been investigated by using the Z-scan technique at 532 nm on the nanosecond timescale. There is relatively weak absorbance at 532 nm under ambient light conditions, because the incorporation of p-benzyloxystyryl groups at the 3,5-positions results in a ca. 140 nm red shift of the main BODIPY spectral band to the 640–670 nm range. Reverse saturable absorbance (RSA) profiles that are consistent with an excited state absorption (ESA) mechanism involving the T1 and/or S1 states are observed in CH2Cl2 solution. Second order hyperpolarizability values of ca. 8 × 10−30 esu are obtained and this demonstrates that the dyes are potentially suitable for use in OL applications at 532 nm. There is a slight enhancement of the OL properties upon bromination, due to increased intersystem crossing to the triplet manifold, but the enhancement of the OL properties is less significant than has been observed with metal phthalocyanine complexes.
- Full Text:
- Date Issued: 2019
Employee performance, leadership style and emotional intelligence
- Hayward, Brett A, Amos, Trevor L, Baxter, Jeremy
- Authors: Hayward, Brett A , Amos, Trevor L , Baxter, Jeremy
- Date: 2008
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/270077 , vital:54393 , xlink:href="https://hdl.handle.net/10520/EJC17031"
- Description: Purpose: The purpose of this research is to explore the relationship between employee performance, leadership style and emotional intelligence in the context of a South African parastatal. Problem Investigated: There is a lack of literature and empirical research on the type of leadership required to achieve high levels of employee performance within South African parastatals. Methodology: The Multifactor Leadership Questionnaire (MLQ) was used to determine leadership style, while the Emotional Competency Profiler (ECP) was used to determine the emotional intelligence of the sample of leaders. Employee performance data was provided by the parastatal, based on their performance management system. Data was analysed using correlation analysis, multiple regression analysis, the standard regression ANOVA/F-test, t-tests and Cronbach alpha reliability coefficient. Findings: The findings of the research show that the ECP is a reliable measure of emotional intelligence and that while the MLQ is a reliable measure of transformational leadership, it is not a reliable measure of transactional leadership. The results of the correlation analysis show a positive significant relationship between emotional intelligence and transformational leadership and a negative significant relationship between employee performance and emotional intelligence. The results of regressing employee performance on emotional intelligence and transformational leadership show that emotional intelligence and transformational leadership have no significant effect on employee performance. The results of the regression models of the research could be biased by the lack of variance in employee performance data. Value of the Research: The value of the research lies in it confirming the MLQ as a reliable measure of transformational leadership and the ECP as a reliable measure of emotional intelligence. The finding of a positive significant relationship between emotional intelligence and transformational leadership is a valuable contribution to the literature. Conclusion: Although a positive significant relationship between emotional intelligence and transformational leadership was found, there is a need for further research to determine the type of leadership best suited to achieve high levels of employee performance within the parastatal.
- Full Text:
- Date Issued: 2008
- Authors: Hayward, Brett A , Amos, Trevor L , Baxter, Jeremy
- Date: 2008
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/270077 , vital:54393 , xlink:href="https://hdl.handle.net/10520/EJC17031"
- Description: Purpose: The purpose of this research is to explore the relationship between employee performance, leadership style and emotional intelligence in the context of a South African parastatal. Problem Investigated: There is a lack of literature and empirical research on the type of leadership required to achieve high levels of employee performance within South African parastatals. Methodology: The Multifactor Leadership Questionnaire (MLQ) was used to determine leadership style, while the Emotional Competency Profiler (ECP) was used to determine the emotional intelligence of the sample of leaders. Employee performance data was provided by the parastatal, based on their performance management system. Data was analysed using correlation analysis, multiple regression analysis, the standard regression ANOVA/F-test, t-tests and Cronbach alpha reliability coefficient. Findings: The findings of the research show that the ECP is a reliable measure of emotional intelligence and that while the MLQ is a reliable measure of transformational leadership, it is not a reliable measure of transactional leadership. The results of the correlation analysis show a positive significant relationship between emotional intelligence and transformational leadership and a negative significant relationship between employee performance and emotional intelligence. The results of regressing employee performance on emotional intelligence and transformational leadership show that emotional intelligence and transformational leadership have no significant effect on employee performance. The results of the regression models of the research could be biased by the lack of variance in employee performance data. Value of the Research: The value of the research lies in it confirming the MLQ as a reliable measure of transformational leadership and the ECP as a reliable measure of emotional intelligence. The finding of a positive significant relationship between emotional intelligence and transformational leadership is a valuable contribution to the literature. Conclusion: Although a positive significant relationship between emotional intelligence and transformational leadership was found, there is a need for further research to determine the type of leadership best suited to achieve high levels of employee performance within the parastatal.
- Full Text:
- Date Issued: 2008
“Turn on” fluorescence enhancement of Zn octacarboxyphthaloyanine-graphene oxide conjugates by hydrogen peroxide
- Shumba, Munyaradzi, Mashazi, Philani N, Nyokong, Tebello
- Authors: Shumba, Munyaradzi , Mashazi, Philani N , Nyokong, Tebello
- Date: 2016
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/240875 , vital:50881 , xlink:href="https://doi.org/10.1016/j.jlumin.2015.11.001"
- Description: Zn octacarboxy phthalocyanine-reduced graphene oxide or graphene oxide conjugates were characterized by absorption spectroscopy, transmission electron microscopy, fluorescence spectroscopy, X-ray diffraction, thermo gravimetric analysis and X-ray photon spectroscopy. The presence of reduced graphene oxide or graphene oxide resulted in the quenching (turn on) of Zn octacarboxy phthalocyanine fluorescence which can be explained by photoinduced electron transfer. Zn octacarboxy phthalocyanine-reduced graphene oxide or graphene oxide conjugates “turned on” fluorescence showed a linear response to hydrogen peroxide hence their potential to be used as sensors. The nanoprobe developed showed high selectivity towards hydrogen peroxide in the presence of physiological interferences.
- Full Text:
- Date Issued: 2016
- Authors: Shumba, Munyaradzi , Mashazi, Philani N , Nyokong, Tebello
- Date: 2016
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/240875 , vital:50881 , xlink:href="https://doi.org/10.1016/j.jlumin.2015.11.001"
- Description: Zn octacarboxy phthalocyanine-reduced graphene oxide or graphene oxide conjugates were characterized by absorption spectroscopy, transmission electron microscopy, fluorescence spectroscopy, X-ray diffraction, thermo gravimetric analysis and X-ray photon spectroscopy. The presence of reduced graphene oxide or graphene oxide resulted in the quenching (turn on) of Zn octacarboxy phthalocyanine fluorescence which can be explained by photoinduced electron transfer. Zn octacarboxy phthalocyanine-reduced graphene oxide or graphene oxide conjugates “turned on” fluorescence showed a linear response to hydrogen peroxide hence their potential to be used as sensors. The nanoprobe developed showed high selectivity towards hydrogen peroxide in the presence of physiological interferences.
- Full Text:
- Date Issued: 2016