Evaluation of the expanded public works programme as poverty reduction strategy in Buffalo City Municipality
- Authors: Ngumbela, Xolisile Gideon
- Date: 2021-12
- Subjects: Public works -- South Africa , Poverty -- Government policy -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54242 , vital:46379
- Description: One socio-economic problem that South Africa is currently facing is the youth and women unemployment rate, which is among the highest in the world. The Government of South Africa has been involved in a number of initiatives, along with the advancement of a labour-intensive Expanded Public Works Program (EPWP) to reduce unemployment and poverty. The EPWP was initiated in 2004 with the aim of putting the unemployed into productive work in the social services of the public sector where relevant training and transfer of appropriate skills are provided to EPWP beneficiaries. However, the EPWP provides only temporary job opportunities that have little impact on the beneficiaries' lives. The main objective of the study was to analyse the Expanded Public Works Programme as a strategy for poverty reduction in order to assess its effectiveness on poverty reduction in Buffalo City Municipality, and to learn best practices that can be emulated by other municipalities or other programmes of Buffalo City Municipality. The secondary aim of the study was to suggest possible solutions and ways to overcome the problems and challenges faced by the metropolitan municipality of Buffalo City in tackling poverty reduction. Another goal was to explore whether the job prospects in Public Works would improve participants' future employability after they leave EPWP. Lastly, the study forwards suggestions on how best to use the EPWP as a tool to provide disadvantaged youth and women with sustainable job opportunities. The sample comprised of ten (10) individuals, and it was arrived at using purposive sampling. The self-administered questionnaire was sent to two (2) councilors and eight (8) EPWP managers involved in the EPWP management in the Buffalo City Metropolitan Municipality. The data was collected through the self-administered questionnaire, followed by telephone follow-ups for points of clarity, because the study took place at the height of the Covid-19 pandemic, which took everyone by surprise and left the whole world astonished as it seemed no one was fully prepared for the disaster. The study found that, overall, the design elements and implementation aspects of EPWP are not ideal for helping the unemployed to become more employable on a large scale. Other issues include the absence of advanced skills training for EPWP participants; the unsustainable essence of the administration of the EPWP, and the non-approval of the draft EPWP policy. This study suggests measures with regard to EPWP coordination, enhanced project monitoring, preparation, indigent requirements and acceptance of the EPWP regulation under the BCMM. The study also recommends, in addition to the above, properly consulted management framework according to international best practices of programme management and evaluation to allow the EPWP to achieve its goals more effectively. , Thesis (MA) -- Faculty of Business and Economic Sciences, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Ngumbela, Xolisile Gideon
- Date: 2021-12
- Subjects: Public works -- South Africa , Poverty -- Government policy -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54242 , vital:46379
- Description: One socio-economic problem that South Africa is currently facing is the youth and women unemployment rate, which is among the highest in the world. The Government of South Africa has been involved in a number of initiatives, along with the advancement of a labour-intensive Expanded Public Works Program (EPWP) to reduce unemployment and poverty. The EPWP was initiated in 2004 with the aim of putting the unemployed into productive work in the social services of the public sector where relevant training and transfer of appropriate skills are provided to EPWP beneficiaries. However, the EPWP provides only temporary job opportunities that have little impact on the beneficiaries' lives. The main objective of the study was to analyse the Expanded Public Works Programme as a strategy for poverty reduction in order to assess its effectiveness on poverty reduction in Buffalo City Municipality, and to learn best practices that can be emulated by other municipalities or other programmes of Buffalo City Municipality. The secondary aim of the study was to suggest possible solutions and ways to overcome the problems and challenges faced by the metropolitan municipality of Buffalo City in tackling poverty reduction. Another goal was to explore whether the job prospects in Public Works would improve participants' future employability after they leave EPWP. Lastly, the study forwards suggestions on how best to use the EPWP as a tool to provide disadvantaged youth and women with sustainable job opportunities. The sample comprised of ten (10) individuals, and it was arrived at using purposive sampling. The self-administered questionnaire was sent to two (2) councilors and eight (8) EPWP managers involved in the EPWP management in the Buffalo City Metropolitan Municipality. The data was collected through the self-administered questionnaire, followed by telephone follow-ups for points of clarity, because the study took place at the height of the Covid-19 pandemic, which took everyone by surprise and left the whole world astonished as it seemed no one was fully prepared for the disaster. The study found that, overall, the design elements and implementation aspects of EPWP are not ideal for helping the unemployed to become more employable on a large scale. Other issues include the absence of advanced skills training for EPWP participants; the unsustainable essence of the administration of the EPWP, and the non-approval of the draft EPWP policy. This study suggests measures with regard to EPWP coordination, enhanced project monitoring, preparation, indigent requirements and acceptance of the EPWP regulation under the BCMM. The study also recommends, in addition to the above, properly consulted management framework according to international best practices of programme management and evaluation to allow the EPWP to achieve its goals more effectively. , Thesis (MA) -- Faculty of Business and Economic Sciences, 2021
- Full Text:
- Date Issued: 2021-12
Health promotional levy: a commercial perspective
- Authors: Ncapayi, Sakhumzi
- Date: 2021-12
- Subjects: Public health -- Taxation -- South Africa , Sugar -- Taxation -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54213 , vital:46362
- Description: The gazetting of the Health Promotion Levy (HPL) and its subsequent implementation had diverse effects and reactions from different stakeholders in South Africa. This study sought to understand the implications of the HPL for the industry by exploring the perceptions of SSB consumers. As such, the purpose of the study was to investigate the impact of the HPL on changing consumer preferences. The study also sought to explore the impact of the HPL on the way that companies have aligned their marketing strategies in line with the HPL to accommodate the response of the market in terms of taste and price sensitivity. An overview of the previous published work globally is analysed critically with the different sugar taxes imposed in other countries with regard to their impact on the various economies . Global discussions on the topic of the sugar tax are shared and conceptualising the sugar tax and sugar as a product. A quantitative research paradigm, also known as a positivistic research paradigm, was considered appropriate for the study that aimed to effectively test and evaluate the conceptual hypotheses and constructs that relate to the HPL. The objective was achieved by conducting an online cross-sectional survey. The survey instrument was a questionnaire that was randomly distributed to 385 SSB consumers in all nine provinces of South Africa using convenience random sampling. The data collected were analysed using the software IBM SPSS Statistics 25. The data reduction technique Exploratory Factor analysis (EFA) was then used to find the factor loadings that best produced correlations between the observed variables. The variables comprised of 5 – point Likert scale that ranged from strongly disagree (1), disagree (2), neutral (3), agree (4) to strongly agree (5). A scree plot was used for factor extraction and confirmed with parallel analysis, and four factors emerged. The factors were extracted using the oblique rotation principal – Promax with 100 iterations for convergence. Consumer perceptions in South Africa are critical to improving the implementation of the HPL and creating a healthier society. Government and management need to lead by example in promoting a healthy lifestyle through marketing activities (product promotions) and in the pricing of products, as obesity is a reality for everyone in the country and needs to be managed. , Thesis (MBA) -- Faculty of Business and Economic Sciences, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Ncapayi, Sakhumzi
- Date: 2021-12
- Subjects: Public health -- Taxation -- South Africa , Sugar -- Taxation -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54213 , vital:46362
- Description: The gazetting of the Health Promotion Levy (HPL) and its subsequent implementation had diverse effects and reactions from different stakeholders in South Africa. This study sought to understand the implications of the HPL for the industry by exploring the perceptions of SSB consumers. As such, the purpose of the study was to investigate the impact of the HPL on changing consumer preferences. The study also sought to explore the impact of the HPL on the way that companies have aligned their marketing strategies in line with the HPL to accommodate the response of the market in terms of taste and price sensitivity. An overview of the previous published work globally is analysed critically with the different sugar taxes imposed in other countries with regard to their impact on the various economies . Global discussions on the topic of the sugar tax are shared and conceptualising the sugar tax and sugar as a product. A quantitative research paradigm, also known as a positivistic research paradigm, was considered appropriate for the study that aimed to effectively test and evaluate the conceptual hypotheses and constructs that relate to the HPL. The objective was achieved by conducting an online cross-sectional survey. The survey instrument was a questionnaire that was randomly distributed to 385 SSB consumers in all nine provinces of South Africa using convenience random sampling. The data collected were analysed using the software IBM SPSS Statistics 25. The data reduction technique Exploratory Factor analysis (EFA) was then used to find the factor loadings that best produced correlations between the observed variables. The variables comprised of 5 – point Likert scale that ranged from strongly disagree (1), disagree (2), neutral (3), agree (4) to strongly agree (5). A scree plot was used for factor extraction and confirmed with parallel analysis, and four factors emerged. The factors were extracted using the oblique rotation principal – Promax with 100 iterations for convergence. Consumer perceptions in South Africa are critical to improving the implementation of the HPL and creating a healthier society. Government and management need to lead by example in promoting a healthy lifestyle through marketing activities (product promotions) and in the pricing of products, as obesity is a reality for everyone in the country and needs to be managed. , Thesis (MBA) -- Faculty of Business and Economic Sciences, 2021
- Full Text:
- Date Issued: 2021-12
Using PESTEL analysis as a framework for analysing the VUCA environment in the Pretoria automotive industry
- Authors: Quanson, Matthew
- Date: 2021-12
- Subjects: Automobile industry and trade -- South Africa -- Pretoria
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54308 , vital:46424
- Description: The term VUCA, is an acronym for volatility, uncertainty, complexity, and ambiguity. VUCA has become one of the “buzz words” in the business sector in the last few years. VUCA however is more than just an acronym, it is a concept that describes an environment in which business operates. It is an environment that is plagued with more volatility, uncertainty, complexity, and ambiguity than ever before. There are numerous factors which have contributed and continue to have an influence on the VUCA environment. PESTEL, another acronym, describes the macro-environment and its components namely: Political, Economic, Social, Technological, Environmental and Legal. The PESTEL analysis has become a tool used in business to effectively analyse the macro-environment in detail by grouping these factors into the six components. The Pretoria automotive industry has faced significant challenges in the last few years, and these challenges have been heightened in complexity. These challenges include volatility with customer demand, adapting to new technological advancements in automation and digital trends, political and labour uncertainty as well as supply chain constraints as a result of global geo-political pressure. The main objective of this paper is to use the PESTEL analysis as a framework for analysing the VUCA environment in the Pretoria automotive industry. The Pretoria automotive industry is the most important region for the automotive industry in South Africa and adds significant economic stimulation to the South African Gros Domestic Product (GDP) and economy according to Automotive Export Council, (2020). , Thesis (MBA) -- Faculty of Business and Economic Sciences, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Quanson, Matthew
- Date: 2021-12
- Subjects: Automobile industry and trade -- South Africa -- Pretoria
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54308 , vital:46424
- Description: The term VUCA, is an acronym for volatility, uncertainty, complexity, and ambiguity. VUCA has become one of the “buzz words” in the business sector in the last few years. VUCA however is more than just an acronym, it is a concept that describes an environment in which business operates. It is an environment that is plagued with more volatility, uncertainty, complexity, and ambiguity than ever before. There are numerous factors which have contributed and continue to have an influence on the VUCA environment. PESTEL, another acronym, describes the macro-environment and its components namely: Political, Economic, Social, Technological, Environmental and Legal. The PESTEL analysis has become a tool used in business to effectively analyse the macro-environment in detail by grouping these factors into the six components. The Pretoria automotive industry has faced significant challenges in the last few years, and these challenges have been heightened in complexity. These challenges include volatility with customer demand, adapting to new technological advancements in automation and digital trends, political and labour uncertainty as well as supply chain constraints as a result of global geo-political pressure. The main objective of this paper is to use the PESTEL analysis as a framework for analysing the VUCA environment in the Pretoria automotive industry. The Pretoria automotive industry is the most important region for the automotive industry in South Africa and adds significant economic stimulation to the South African Gros Domestic Product (GDP) and economy according to Automotive Export Council, (2020). , Thesis (MBA) -- Faculty of Business and Economic Sciences, 2021
- Full Text:
- Date Issued: 2021-12
Orthographic knowledge in isiXhosa and its relation to phonological processing, letter-sound knowledge, reading and spelling
- Authors: Daries, Mikaela Ann
- Date: 2022-10-14
- Subjects: Xhosa language Orthography and spelling , Phonological awareness , Psycholinguistics , Oral reading Usage , Literacy South Africa , Reading Phonetic method
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/406703 , vital:70300
- Description: Despite international research confirming its importance, writing and related metalinguistic skills have often been neglected in comparison to reading in literacy research (Cunningham et al., 2001; Castles & Coltheart, 2004; Nag, 2007; Roman et al., 2009; Zhao et al., 2017). On a national level there are very few studies that have explored the writing aspect of literacy in South Africa, and none that has investigated orthographic knowledge in a Southern Bantu language, such as isiXhosa. In an attempt to address this gap, this thesis explores orthographic knowledge and its components in isiXhosa. In particular, it seeks to investigate the unique predictors of word specific and general orthographic knowledge as well as their role for reading and spelling in isiXhosa while controlling for phonological awareness (PA), rapid automatized naming (RAN), and letter-sound knowledge. Furthermore, the thesis attempts to situate its findings within the main premises of the self-teaching hypothesis and dual route approach to orthographic processing in order to contribute to linguistic theories of reading with cross-linguistic evidence (Jorm & Share, 1983; Share & Jorm, 1987; Share, 1995; Grainger & Ziegler, 2011). A quantitative cross-sectional study was conducted with 140 isiXhosa home language third grade learners in which word specific and general orthographic knowledge tasks were specifically designed. These tasks were administered along with oral reading fluency (ORF), spelling, PA, RAN, and letter-sound knowledge. The findings revealed that letter-sound knowledge and PA contributed the largest variance towards both word specific and general orthographic knowledge. Further, word specific orthographic knowledge and letter-sound knowledge were the only significant predictors of spelling. Similarly, both word specific and letter-sound knowledge were significant predictors of reading, along with RAN and general orthographic knowledge. Quantile linear regression analyses revealed that word specific orthographic knowledge was a robust predictor of spelling and letter-sound knowledge was a robust predictor of reading across ability levels confirming the importance for word specific orthographic knowledge for spelling and letter-sound knowledge for reading in isiXhosa. In relation to the two reading theories considered in this thesis, the findings reflect similarities between the assertions of the self-teaching hypothesis and current thesis with suggestions made for further inquiry. The dual route approach to orthographic processing provides insights into the potential processing of orthographic information while reading in isiXhosa. The findings of this study confirm the importance of orthographic knowledge for reading and spelling for languages with transparent orthographies such as isiXhosa. , Thesis (MA) -- Faculty of Humanities, Linguistics and Applied Language Studies, 2022
- Full Text:
- Date Issued: 2022-10-14
- Authors: Daries, Mikaela Ann
- Date: 2022-10-14
- Subjects: Xhosa language Orthography and spelling , Phonological awareness , Psycholinguistics , Oral reading Usage , Literacy South Africa , Reading Phonetic method
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/406703 , vital:70300
- Description: Despite international research confirming its importance, writing and related metalinguistic skills have often been neglected in comparison to reading in literacy research (Cunningham et al., 2001; Castles & Coltheart, 2004; Nag, 2007; Roman et al., 2009; Zhao et al., 2017). On a national level there are very few studies that have explored the writing aspect of literacy in South Africa, and none that has investigated orthographic knowledge in a Southern Bantu language, such as isiXhosa. In an attempt to address this gap, this thesis explores orthographic knowledge and its components in isiXhosa. In particular, it seeks to investigate the unique predictors of word specific and general orthographic knowledge as well as their role for reading and spelling in isiXhosa while controlling for phonological awareness (PA), rapid automatized naming (RAN), and letter-sound knowledge. Furthermore, the thesis attempts to situate its findings within the main premises of the self-teaching hypothesis and dual route approach to orthographic processing in order to contribute to linguistic theories of reading with cross-linguistic evidence (Jorm & Share, 1983; Share & Jorm, 1987; Share, 1995; Grainger & Ziegler, 2011). A quantitative cross-sectional study was conducted with 140 isiXhosa home language third grade learners in which word specific and general orthographic knowledge tasks were specifically designed. These tasks were administered along with oral reading fluency (ORF), spelling, PA, RAN, and letter-sound knowledge. The findings revealed that letter-sound knowledge and PA contributed the largest variance towards both word specific and general orthographic knowledge. Further, word specific orthographic knowledge and letter-sound knowledge were the only significant predictors of spelling. Similarly, both word specific and letter-sound knowledge were significant predictors of reading, along with RAN and general orthographic knowledge. Quantile linear regression analyses revealed that word specific orthographic knowledge was a robust predictor of spelling and letter-sound knowledge was a robust predictor of reading across ability levels confirming the importance for word specific orthographic knowledge for spelling and letter-sound knowledge for reading in isiXhosa. In relation to the two reading theories considered in this thesis, the findings reflect similarities between the assertions of the self-teaching hypothesis and current thesis with suggestions made for further inquiry. The dual route approach to orthographic processing provides insights into the potential processing of orthographic information while reading in isiXhosa. The findings of this study confirm the importance of orthographic knowledge for reading and spelling for languages with transparent orthographies such as isiXhosa. , Thesis (MA) -- Faculty of Humanities, Linguistics and Applied Language Studies, 2022
- Full Text:
- Date Issued: 2022-10-14
Quantifying the impacts of cactus biological control agents in South Africa
- Authors: Mnqeta, Zezethu
- Date: 2022-04-08
- Subjects: Cactus Biological control South Africa , Noxious weeds South Africa , Invasive plants Biological control South Africa , Insects as biological pest control agents South Africa , Cochineal insect South Africa , Mealybugs South Africa , Agricultural productivity South Africa
- Language: English
- Type: Academic theses , Doctoral theses , text
- Identifier: http://hdl.handle.net/10962/294631 , vital:57239 , DOI 10.21504/10962/294631
- Description: Invasive alien cacti are prominent weeds that threaten indigenous biodiversity and have a negative impact on agricultural productivity in South Africa. These plants are problematic because they form dense thickets that reduce the carrying capacity of rangelands; restrict the movement of livestock and wildlife thus reducing access to shade and water sources; and are directly harmful to livestock, wildlife and people due to their sharp spines. Biological control is the most effective, affordable and environmentally friendly method to control invasive alien cacti and minimize their negative impacts. Cochineal insects (Dactylopius spp.: Dactylopiidae) and the gall-forming mealybug, Hypogeococcus sp. (Pseudococcidae) are used as biological control agents for cacti. The agents are however poor dispersers, so mass-rearing and augmentative releases are required in order to establish the agents at sites where they are needed. This study aimed to evaluate the mass-rearing and release efforts of cactus biological control in South Africa, quantify the impact of the biological control agents on cactus plant populations through long-term monitoring, and assess the benefits accrued due to the biological control agents through the perceptions of land-users. An assessment of the effectiveness of the release effort for cactus biological control agents was conducted by comparing where biological control agents have been released with the known distribution of the target weeds. Only 26% of the quarter degree squares that are known to be occupied by invasive alien cacti have had biological control agents released in them. This indicated that the mass-rearing and release efforts in South Africa are inadequate and should be increased, especially in areas where few releases have been made and many cacti are present, such as the Limpopo Province. The impact of the biological control agents on cactus plant populations was assessed by monitoring agent densities, target plant densities and target plant reproductive outputs before and after releases. Plant biomass and reproductive output were reduced by biological control agents for three of the target weeds that were assessed, while the duration of the study was too short to measure reductions for the fourth target weed. Benefits to land-users were then quantified through a questionnaire survey. Land-users perceived biological control as an effective management option, with 81% of the land-users reporting that there was less invasive alien cactus after releasing biological control agents on their land. Forty-nine percent of the land-users believed that the negative impacts of the cactus had been reduced and that they benefited more from their land since control was achieved. Since land-users were only interviewed within four years of the releases being conducted, it is expected that the percentage of land-users who gained benefits from biological control will increase in future. Ninety-seven percent of the land-users stated that the agents were safe and had not fed on any other plants or had any detrimental impacts. These perceptions indicated that land-users regarded biological control as a safe and effective method of controlling invasive alien cacti. This study confirms that biological control is an effective and safe way of controlling invasive alien Cactaceae. It is also the first to assess some of the benefits that land-users have accrued due to biological control of cactus weeds. It is however evident that a greater mass-rearing and release effort is required for South Africa to get the maximum benefits possible from the use of the biological control agents for cactus weeds that are available in the country. , Izityalo ze-cactus ezisuka kwamanye amazwe zilukhula olubalaseleyo, olwenza ingxaki kwintlobo ngeentlobo zezityalo nezilwanyana kwaye ezizityalo zinefuthe neziphumo ezingalunganga kwimveliso yezolimo eMzantsi Afrika. Ezi zizityalo ziyingxaki kuba zenza amatyholo ashinyeneyo athi anciphise umthamo wokusebenzisa umhlaba: zinqanda ukuhamba nogkukhululekileyo kwemfuyo nezilwanyana zasendle ngokwenza oko zingakwazi ukufikelela emthuzini xa kutshisa nakwimithombo yamanzi yokusela; zikwayiyo nengozi kwimfuyo, izilwanyana zasendle kunye nabantu ngenxa yamave abukhali afumaneka kwezizityalo. Ukulawula nokwehliza ubunzini nezinga lemigcipheko yezizityalo, kusetyenziswa indlela ekuthiwa yi-biological control. Lendlela yeyona ndlela isebenza ngokuphucukileyo, efikelelayo, nengenabungozi kokusingqongileyo. Izinambuzane ze- cochineal (i-Dactylopius spp.: Dactylopiidae) kunye ne-mealybug, i-Hypogeococcus sp. (Pseudococcidae) zisetyenziswe njengezixhobo ze-biological control ezinceda ukulawula ezizityalo ze-cactus zingafunekiyo. Ingxaki yazo ezizinambuzane zizixhobo ze-biological control zingentla kukuba azikwazi kuzisasaza ngokwazo ukuba zifikelele nakwizityalo ezikude ngoko ke ukukhuliswa nokukhutshwa ngobuninzi bazo kuyafuneka ukukhawulelana nalengxaki kunye nokwandisa amathuba wokuba zifikelele kuzozonke izityalo ze-cactus ekufuneka zizilawule. Olu phononongo lujolise ekuvavanyeni iinzame zokukhulisa ngobuninzi nokukhupha ezezinambuzane zizixhobo ze-bioloigical control zokulawula izityalo ze-cactus eMzantsi Afrika, ukujonga ubungakanani befuthe notshintsho elenziwa zezinambuzane zizixhobo ze-bioloigical control kwizityalo ze-cactus emva kwexesha elide lokuzijonga, kunye nokuvavanya inzuzo efunyenwe ngenxa yokulawula ezizityalo ze-cactus ngokwemibono yabasebenzisi bomhlaba. Uvavanyo lweenzame zokukhutshwa kwezixhobo zezixhobo zezinambuzane ze-bioloigical control kwizityalo ze-cactus lwenziwa ngokuthelekisa iindawo apho izixhobo zezinambuzane ze-biological control zikhutshwe khona kunye neendawo apho izityalo ze-cactus kwaziwayo ukuba ziyafumaneka khona. Yi-26% kuphela yesikwere sekota eyaziwayo ukuba kukhona izityalo ze-cactus nalapho kukhutshwe khona kwezinambuzane ezizixhobo ze-biological control. Oku kubonisa ukuba iinzame zokukhulisa nokukhutshwa kwezinambuzane ezizixhobo ze-biological control eMzantsi Afrika azanelanga kwaye kufuneka zandiswe, ngakumbi kwiindawo apho kukho ukhutsho olumbalwa olwenziweyo kunye nezityalo ze-cactus ezininzi ezifumaneka khona, njengePhondo laseLimpopo. Iimpembelelo yokukhutshwa kwezinambuzane ezizixhobo ze-biological control kwizityalo ze-cactus zavavanywa ngokujonga ubunizi bezinambuzane ezizixhobo ze-biological control, ukuxinana kwezityalo ze-cactus ekujoliswe kuzo kunye nemveliso yokuzala kwezityalo ze-cactus phambi nasemva kokuba kukhutshwe izinambuzane ezizixhobo ze-biological control. Ubungakanani bezityalo ze-cactus kunye nemveliso yokuzala ziye zacutheka emva kokukhutshwa kwezinambuzane ezizixhobo ze-biological control kwinzityalo ezintathu ze-cactus ebekujoliswe uvavanyo kuzo, ngelixa ixesha lophononongo lalifutshane kakhulu ukuvavanya unciphiso kwisityalo se-cactus sesine. Izibonelelo zabasebenzisi bomhlaba zaye zavavanywa kusetyenziswa uhlobo lwemibuzo. Abasebenzisi bomhlaba balubona ukusetyenziswa kwezinambuzane ezizixhobo ze-biological control njengendlela yolawulo olusebenzayo, yi81% yabasebenzisi bomhlaba echaze ukuba izityalo ze-cactus zecuthekile emva kokukhutshwa kwezinambuzane ezizixhobo ze-biological control emhlabeni wabo. Amashumi amane anesithoba eepesenti zabasebenzisi bomhlaba bakholelwa ukuba impembelelo ezingalunganga ze-cactus zincitshisiwe kwaye baxhamle kakhulu kumhlaba wabo okoko lwaphunyenzwa. Oludliwano-ndlebe belwenziwe kubasebenzisi bomhlaba kwisithuba seminyaka emine emva kokuba kukhutshwe izinambuzane ezizixhobo ze-biological control, kulindeleke ukuba ipesenti yabasebenzisi bomhlaba abathe bafumana izibonelelo kwi-biological control lonyuke kwixesha elizayo. Amashumi alithoba anesixhenxe ekhulwini abasebenzisi bomhlaba bachaze ukuba izinambuzane ezizixhobo ze-biological control zikhuselekile kwaye khange zidle kuzo naziphi na ezinye izityalo ezingezi eze-cactus ebekujoliswe kuzo okanye zineempembelelo eyingozi. Ezi mbono ziyabonisa ukuba abasebenzi bomhlaba bayithatha i-biological control njengendlela ekhuselekileyo nesebenzayo yokulawula izityalo ze-cactus zamanye amazwe. Olu phononongo luqinisekisa ukuba ulawulo olusebenzisa izinambuzane ezizixhobo ze-biological control yindlela esebenzayo nekhuselekileyo yokulawula iCactaceae yamanye amazwe. Ikwangolokuqala ukuvavanya ezinye zezibonelelo ezizuzwe ngabasebenzisi bomhlaba ngenxa ye-biological control yezityalo ze-cactus. Nangona kunjalo kucacile ukuba ukwandisa inzame zokukhulisa nokukhupha ngobuninzi izinambuzane ezizixhobo ze-biological control kuyafuneka ukuze uMzantsi Afrika ufumane izibonelelo eziphakamileyo enokubakho ngokusetyenziswa kwe zinambuzane ezizixhobo ze-biological control zokulawula ukhula lwe-cactus olukhoyo kweli lizwe. , Thesis (PhD) -- Faculty of Science, Zoology and Entomology, 2022
- Full Text:
- Date Issued: 2022-04-08
- Authors: Mnqeta, Zezethu
- Date: 2022-04-08
- Subjects: Cactus Biological control South Africa , Noxious weeds South Africa , Invasive plants Biological control South Africa , Insects as biological pest control agents South Africa , Cochineal insect South Africa , Mealybugs South Africa , Agricultural productivity South Africa
- Language: English
- Type: Academic theses , Doctoral theses , text
- Identifier: http://hdl.handle.net/10962/294631 , vital:57239 , DOI 10.21504/10962/294631
- Description: Invasive alien cacti are prominent weeds that threaten indigenous biodiversity and have a negative impact on agricultural productivity in South Africa. These plants are problematic because they form dense thickets that reduce the carrying capacity of rangelands; restrict the movement of livestock and wildlife thus reducing access to shade and water sources; and are directly harmful to livestock, wildlife and people due to their sharp spines. Biological control is the most effective, affordable and environmentally friendly method to control invasive alien cacti and minimize their negative impacts. Cochineal insects (Dactylopius spp.: Dactylopiidae) and the gall-forming mealybug, Hypogeococcus sp. (Pseudococcidae) are used as biological control agents for cacti. The agents are however poor dispersers, so mass-rearing and augmentative releases are required in order to establish the agents at sites where they are needed. This study aimed to evaluate the mass-rearing and release efforts of cactus biological control in South Africa, quantify the impact of the biological control agents on cactus plant populations through long-term monitoring, and assess the benefits accrued due to the biological control agents through the perceptions of land-users. An assessment of the effectiveness of the release effort for cactus biological control agents was conducted by comparing where biological control agents have been released with the known distribution of the target weeds. Only 26% of the quarter degree squares that are known to be occupied by invasive alien cacti have had biological control agents released in them. This indicated that the mass-rearing and release efforts in South Africa are inadequate and should be increased, especially in areas where few releases have been made and many cacti are present, such as the Limpopo Province. The impact of the biological control agents on cactus plant populations was assessed by monitoring agent densities, target plant densities and target plant reproductive outputs before and after releases. Plant biomass and reproductive output were reduced by biological control agents for three of the target weeds that were assessed, while the duration of the study was too short to measure reductions for the fourth target weed. Benefits to land-users were then quantified through a questionnaire survey. Land-users perceived biological control as an effective management option, with 81% of the land-users reporting that there was less invasive alien cactus after releasing biological control agents on their land. Forty-nine percent of the land-users believed that the negative impacts of the cactus had been reduced and that they benefited more from their land since control was achieved. Since land-users were only interviewed within four years of the releases being conducted, it is expected that the percentage of land-users who gained benefits from biological control will increase in future. Ninety-seven percent of the land-users stated that the agents were safe and had not fed on any other plants or had any detrimental impacts. These perceptions indicated that land-users regarded biological control as a safe and effective method of controlling invasive alien cacti. This study confirms that biological control is an effective and safe way of controlling invasive alien Cactaceae. It is also the first to assess some of the benefits that land-users have accrued due to biological control of cactus weeds. It is however evident that a greater mass-rearing and release effort is required for South Africa to get the maximum benefits possible from the use of the biological control agents for cactus weeds that are available in the country. , Izityalo ze-cactus ezisuka kwamanye amazwe zilukhula olubalaseleyo, olwenza ingxaki kwintlobo ngeentlobo zezityalo nezilwanyana kwaye ezizityalo zinefuthe neziphumo ezingalunganga kwimveliso yezolimo eMzantsi Afrika. Ezi zizityalo ziyingxaki kuba zenza amatyholo ashinyeneyo athi anciphise umthamo wokusebenzisa umhlaba: zinqanda ukuhamba nogkukhululekileyo kwemfuyo nezilwanyana zasendle ngokwenza oko zingakwazi ukufikelela emthuzini xa kutshisa nakwimithombo yamanzi yokusela; zikwayiyo nengozi kwimfuyo, izilwanyana zasendle kunye nabantu ngenxa yamave abukhali afumaneka kwezizityalo. Ukulawula nokwehliza ubunzini nezinga lemigcipheko yezizityalo, kusetyenziswa indlela ekuthiwa yi-biological control. Lendlela yeyona ndlela isebenza ngokuphucukileyo, efikelelayo, nengenabungozi kokusingqongileyo. Izinambuzane ze- cochineal (i-Dactylopius spp.: Dactylopiidae) kunye ne-mealybug, i-Hypogeococcus sp. (Pseudococcidae) zisetyenziswe njengezixhobo ze-biological control ezinceda ukulawula ezizityalo ze-cactus zingafunekiyo. Ingxaki yazo ezizinambuzane zizixhobo ze-biological control zingentla kukuba azikwazi kuzisasaza ngokwazo ukuba zifikelele nakwizityalo ezikude ngoko ke ukukhuliswa nokukhutshwa ngobuninzi bazo kuyafuneka ukukhawulelana nalengxaki kunye nokwandisa amathuba wokuba zifikelele kuzozonke izityalo ze-cactus ekufuneka zizilawule. Olu phononongo lujolise ekuvavanyeni iinzame zokukhulisa ngobuninzi nokukhupha ezezinambuzane zizixhobo ze-bioloigical control zokulawula izityalo ze-cactus eMzantsi Afrika, ukujonga ubungakanani befuthe notshintsho elenziwa zezinambuzane zizixhobo ze-bioloigical control kwizityalo ze-cactus emva kwexesha elide lokuzijonga, kunye nokuvavanya inzuzo efunyenwe ngenxa yokulawula ezizityalo ze-cactus ngokwemibono yabasebenzisi bomhlaba. Uvavanyo lweenzame zokukhutshwa kwezixhobo zezixhobo zezinambuzane ze-bioloigical control kwizityalo ze-cactus lwenziwa ngokuthelekisa iindawo apho izixhobo zezinambuzane ze-biological control zikhutshwe khona kunye neendawo apho izityalo ze-cactus kwaziwayo ukuba ziyafumaneka khona. Yi-26% kuphela yesikwere sekota eyaziwayo ukuba kukhona izityalo ze-cactus nalapho kukhutshwe khona kwezinambuzane ezizixhobo ze-biological control. Oku kubonisa ukuba iinzame zokukhulisa nokukhutshwa kwezinambuzane ezizixhobo ze-biological control eMzantsi Afrika azanelanga kwaye kufuneka zandiswe, ngakumbi kwiindawo apho kukho ukhutsho olumbalwa olwenziweyo kunye nezityalo ze-cactus ezininzi ezifumaneka khona, njengePhondo laseLimpopo. Iimpembelelo yokukhutshwa kwezinambuzane ezizixhobo ze-biological control kwizityalo ze-cactus zavavanywa ngokujonga ubunizi bezinambuzane ezizixhobo ze-biological control, ukuxinana kwezityalo ze-cactus ekujoliswe kuzo kunye nemveliso yokuzala kwezityalo ze-cactus phambi nasemva kokuba kukhutshwe izinambuzane ezizixhobo ze-biological control. Ubungakanani bezityalo ze-cactus kunye nemveliso yokuzala ziye zacutheka emva kokukhutshwa kwezinambuzane ezizixhobo ze-biological control kwinzityalo ezintathu ze-cactus ebekujoliswe uvavanyo kuzo, ngelixa ixesha lophononongo lalifutshane kakhulu ukuvavanya unciphiso kwisityalo se-cactus sesine. Izibonelelo zabasebenzisi bomhlaba zaye zavavanywa kusetyenziswa uhlobo lwemibuzo. Abasebenzisi bomhlaba balubona ukusetyenziswa kwezinambuzane ezizixhobo ze-biological control njengendlela yolawulo olusebenzayo, yi81% yabasebenzisi bomhlaba echaze ukuba izityalo ze-cactus zecuthekile emva kokukhutshwa kwezinambuzane ezizixhobo ze-biological control emhlabeni wabo. Amashumi amane anesithoba eepesenti zabasebenzisi bomhlaba bakholelwa ukuba impembelelo ezingalunganga ze-cactus zincitshisiwe kwaye baxhamle kakhulu kumhlaba wabo okoko lwaphunyenzwa. Oludliwano-ndlebe belwenziwe kubasebenzisi bomhlaba kwisithuba seminyaka emine emva kokuba kukhutshwe izinambuzane ezizixhobo ze-biological control, kulindeleke ukuba ipesenti yabasebenzisi bomhlaba abathe bafumana izibonelelo kwi-biological control lonyuke kwixesha elizayo. Amashumi alithoba anesixhenxe ekhulwini abasebenzisi bomhlaba bachaze ukuba izinambuzane ezizixhobo ze-biological control zikhuselekile kwaye khange zidle kuzo naziphi na ezinye izityalo ezingezi eze-cactus ebekujoliswe kuzo okanye zineempembelelo eyingozi. Ezi mbono ziyabonisa ukuba abasebenzi bomhlaba bayithatha i-biological control njengendlela ekhuselekileyo nesebenzayo yokulawula izityalo ze-cactus zamanye amazwe. Olu phononongo luqinisekisa ukuba ulawulo olusebenzisa izinambuzane ezizixhobo ze-biological control yindlela esebenzayo nekhuselekileyo yokulawula iCactaceae yamanye amazwe. Ikwangolokuqala ukuvavanya ezinye zezibonelelo ezizuzwe ngabasebenzisi bomhlaba ngenxa ye-biological control yezityalo ze-cactus. Nangona kunjalo kucacile ukuba ukwandisa inzame zokukhulisa nokukhupha ngobuninzi izinambuzane ezizixhobo ze-biological control kuyafuneka ukuze uMzantsi Afrika ufumane izibonelelo eziphakamileyo enokubakho ngokusetyenziswa kwe zinambuzane ezizixhobo ze-biological control zokulawula ukhula lwe-cactus olukhoyo kweli lizwe. , Thesis (PhD) -- Faculty of Science, Zoology and Entomology, 2022
- Full Text:
- Date Issued: 2022-04-08
Chinese character learning with the aid of an ICT website among Mandarin Second Additional Language learners in South Africa: a case study
- Authors: Fu, Shuying
- Date: 2022-04-08
- Subjects: Mandarin dialects Study and teaching (Secondary) South Africa , Mandarin dialects Computer-assisted instruction for English speakers , Second language acquisition , Chinese characters , Information technology South Africa , Educational technology South Africa , Arch Chinese
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/263590 , vital:53641
- Description: The teaching of Mandarin as a Second Additional Language (SAL) in South African schools was only introduced in 2016. The year 2018 saw the first Mandarin as SAL National Senior Certificate examination. Little research has been done on the teaching and learning of Mandarin as a SAL subject at the high school level in South Africa. Character learning and teaching are some of the most challenging aspects of this language teaching and learning. This research sought to investigate how beginner Mandarin SAL learners can be supported by a particular Information Communication Technology (ICT) website, www.archchinese.com (Arch Chinese), in their character learning. Learners’ ability to memorise Chinese characters is of utmost importance for their success in this language learning, especially for matriculants. To support the main research goal, this study set out to investigate the requirements for Chinese character learning, the role the website Arch Chinese plays in learners’ character learning and Mandarin SAL learners’ experience of using Arch Chinese as a learning tool. This research was conducted in the form of a case study within the interpretative paradigm. It adopted a questionnaire and document analysis for data collection to gain insight into the research topic. To get answers to the research questions posed above, the study analysed the Curriculum Assessment Policy Statement (CAPS) Mandarin SAL documents from Grade 4–12, the Independent Examination Board (IEB) Mandarin Subject Assessment Guidelines (SAGs), and a textbook for beginners, Learn Chinese with me: Student’s book 1 in relation to character learning. The features and functions of the website, Arch Chinese, were also evaluated and Mandarin SAL learners’ answers to a questionnaire on their use of the website Arch Chinese were analysed. The study found that character teaching and learning has not been given enough attention in the curriculum. It was only covered in the Intermediate Phase but was seldom mentioned in the Senior and Further Education and Training Phases in the curriculum. The CAPS Mandarin SAL documents do not consider the special characteristics of the Mandarin language, as this curriculum was based on the CAPS English Generic SAL document. As a result, the assessment requirements on writing (character count requirement in particular) were not realistic. The teaching approaches promoted in the curriculum and the teaching time do not correspond well with the teaching and learning of this language. Moreover, this study found that there was no vocabulary list prescribed in the curriculum and therefore a gap exists between the curriculum on paper and the curriculum in practice. The analysis of the IEB SAGs found that the assessments were suitable for the level of Mandarin SAL learners. This is because the IEB considered the characteristics of the Mandarin language, which is non-cognate, to the alphabet-based languages that respondents in this research spoke or were familiar with. At the same time, the analysis of the website and the learners’ questionnaire found that learners held a positive attitude towards their use of the website and that it proved to help facilitate Mandarin SAL learners in their character learning. This study ends with recommendations for teachers, policy makers, the IEB, and character-learning websites. , Thesis (MEd) -- Faculty of Education, Education, 2022
- Full Text: false
- Date Issued: 2022-04-08
- Authors: Fu, Shuying
- Date: 2022-04-08
- Subjects: Mandarin dialects Study and teaching (Secondary) South Africa , Mandarin dialects Computer-assisted instruction for English speakers , Second language acquisition , Chinese characters , Information technology South Africa , Educational technology South Africa , Arch Chinese
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/263590 , vital:53641
- Description: The teaching of Mandarin as a Second Additional Language (SAL) in South African schools was only introduced in 2016. The year 2018 saw the first Mandarin as SAL National Senior Certificate examination. Little research has been done on the teaching and learning of Mandarin as a SAL subject at the high school level in South Africa. Character learning and teaching are some of the most challenging aspects of this language teaching and learning. This research sought to investigate how beginner Mandarin SAL learners can be supported by a particular Information Communication Technology (ICT) website, www.archchinese.com (Arch Chinese), in their character learning. Learners’ ability to memorise Chinese characters is of utmost importance for their success in this language learning, especially for matriculants. To support the main research goal, this study set out to investigate the requirements for Chinese character learning, the role the website Arch Chinese plays in learners’ character learning and Mandarin SAL learners’ experience of using Arch Chinese as a learning tool. This research was conducted in the form of a case study within the interpretative paradigm. It adopted a questionnaire and document analysis for data collection to gain insight into the research topic. To get answers to the research questions posed above, the study analysed the Curriculum Assessment Policy Statement (CAPS) Mandarin SAL documents from Grade 4–12, the Independent Examination Board (IEB) Mandarin Subject Assessment Guidelines (SAGs), and a textbook for beginners, Learn Chinese with me: Student’s book 1 in relation to character learning. The features and functions of the website, Arch Chinese, were also evaluated and Mandarin SAL learners’ answers to a questionnaire on their use of the website Arch Chinese were analysed. The study found that character teaching and learning has not been given enough attention in the curriculum. It was only covered in the Intermediate Phase but was seldom mentioned in the Senior and Further Education and Training Phases in the curriculum. The CAPS Mandarin SAL documents do not consider the special characteristics of the Mandarin language, as this curriculum was based on the CAPS English Generic SAL document. As a result, the assessment requirements on writing (character count requirement in particular) were not realistic. The teaching approaches promoted in the curriculum and the teaching time do not correspond well with the teaching and learning of this language. Moreover, this study found that there was no vocabulary list prescribed in the curriculum and therefore a gap exists between the curriculum on paper and the curriculum in practice. The analysis of the IEB SAGs found that the assessments were suitable for the level of Mandarin SAL learners. This is because the IEB considered the characteristics of the Mandarin language, which is non-cognate, to the alphabet-based languages that respondents in this research spoke or were familiar with. At the same time, the analysis of the website and the learners’ questionnaire found that learners held a positive attitude towards their use of the website and that it proved to help facilitate Mandarin SAL learners in their character learning. This study ends with recommendations for teachers, policy makers, the IEB, and character-learning websites. , Thesis (MEd) -- Faculty of Education, Education, 2022
- Full Text: false
- Date Issued: 2022-04-08
Strategies utilised in translating children’s stories from English into isiXhosa
- Authors: Madolo, Yolisa
- Date: 2021
- Subjects: Children Xhosa Grammar, Comparative and general--Ideophone Children, Black, in literature Article
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/11260/7010 , vital:52637 , xlink:href="https://doi.org/10.1080/02572117.2021.2010919"
- Description: Translation scholars suggest various strategies for dealing with equivalence and non-equivalence. These popular strategies address non-equivalence, the converse of equivalence, that is commonly found in translation. Nonequivalence is found at word, phrase, sentence, and pragmatic levels. Not a great deal of research has been done in the translation strategies used between English and South African indigenous languages. It is possible that these languages employ some strategies that are not listed under current, popular strategies. These strategies may be necessitated by the linguistic and historical differences between English and African languages. For instance, what is acceptable in question form in English might be more suitable as a statement in African languages, specifically isiXhosa. The strategies to be presented are from an ongoing study of selected children’s stories translated from English into isiXhosa. The aim of the study is to scrutinise some of the strategies used by the translators in their translations. Preliminary results reveal that translators from English into isiXhosa may explicitate or implicitate the translation using various strategies like addition, infusing target language culture, translating source language idiom by another figure of speech or even omitting some words. This may have minimal or significant impact on the transferred message.
- Full Text:
- Date Issued: 2021
- Authors: Madolo, Yolisa
- Date: 2021
- Subjects: Children Xhosa Grammar, Comparative and general--Ideophone Children, Black, in literature Article
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/11260/7010 , vital:52637 , xlink:href="https://doi.org/10.1080/02572117.2021.2010919"
- Description: Translation scholars suggest various strategies for dealing with equivalence and non-equivalence. These popular strategies address non-equivalence, the converse of equivalence, that is commonly found in translation. Nonequivalence is found at word, phrase, sentence, and pragmatic levels. Not a great deal of research has been done in the translation strategies used between English and South African indigenous languages. It is possible that these languages employ some strategies that are not listed under current, popular strategies. These strategies may be necessitated by the linguistic and historical differences between English and African languages. For instance, what is acceptable in question form in English might be more suitable as a statement in African languages, specifically isiXhosa. The strategies to be presented are from an ongoing study of selected children’s stories translated from English into isiXhosa. The aim of the study is to scrutinise some of the strategies used by the translators in their translations. Preliminary results reveal that translators from English into isiXhosa may explicitate or implicitate the translation using various strategies like addition, infusing target language culture, translating source language idiom by another figure of speech or even omitting some words. This may have minimal or significant impact on the transferred message.
- Full Text:
- Date Issued: 2021
Beneficiation of pyrolysis-derived waste tyre char by blending with torrefied wood and microalgae to produce solid fuel
- Authors: Dube, Cleopatra Thulani
- Date: 2021-12
- Subjects: Pyrolysis , Solid fuel reactors
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/58439 , vital:59241
- Description: he thermal decomposition of waste tyres via pyrolysis is considered to be amongst the most promising methods of recycling tyres due to its minimal environmental impact (in terms of reduction in pollution). During pyrolysis, tyres are thermally degraded in an inert environment to produce gas, oil and char. The gas and oil have promising commercialization prospects while the char remains a pollutant despite the strides made in a lot of research to upgrade the char to carbon black, activated carbon and even for reuse as a filler in tyre manufacture. For pyrolysis to be profitable, or worthy of investments, all three of its products (oil, char and gas) need to be valorised. Pyrolysis-derived tyre chars (PT-char) have an energy value equivalent to high rank coals, however, the use of PT char as a solid fuel is uncommon due to the high contents of sulphur and mineral matter as well as low volatile matter content of the PT-char. As such, the combustion of PT-char is characterised by high ignition temperature, low thermal reactivity, and no flame formation due to the low amounts of volatile matter. On the other hand, biomass are clean, renewable feedstock, having low sulphur and mineral matter contents, as well as high thermal reactivity. The blending of PT-char with biomass could potentially improve the combustion properties of PT-char and minimise the release of toxic emissions from the char, and thus, could make PT-char suitable for use as a fuel source. In this study, PT-char was blended with torrefied wood and microalgae biomass to demonstrate the suitability of using PT-char-biomass-fuel blend as an energy feedstock. To this effect, a mixture design of experiments was used to formulate the PT-char biomass blends and regression analysis was employed to select an optimum blend formulation for the combustion and mechanical properties of the blends. Proximate analysis results showed a non-linear increase in the volatile matter and a non-linear decrease in the fixed carbon and ash yield as the biomass ratio increased. The calorific value also increased on an additive basis with increasing biomass proportion. The elemental analysis results showed a decrease in the calcium, zinc and bromine contents and an increase in the potassium and iron contents increased with increasing biomass proportion. Likewise, the sulphur content decreased while the oxygen, hydrogen and nitrogen contents increased with increasing biomass ratio. vi Thus, the fuel properties of the blends improved with increasing biomass ratio and without compromising the calorific value of the PT-char. Moreover, the TG-MS analysis showed that the PT-char and the respective blends did not show any release SO2 up to 650°C. Thus, making the fuel suitable for use in low temperature applications such as household and certain boilers. The results of the regression analysis showed that the blend formulation with the highest proportions of biomass, thus C55-T30-M15, is the optimum blend to produce a solid fuel with a low initial decomposition (214°C) and char ignition temperatures (532°C) as well as maximum burn-out temperature (640°C). In essence, the high thermal reactivity of PT-char is improved when both biomasses are loaded at maximum ratios as per the experimental design. The results of the MS showed a decrease in CO2 and NO2 emissions with increasing biomass proportion. The optimum blend (C55-T30-M15) was found to have a comparably higher gross calorific value (26 MJ/kg), lower sulphur content (1.1 wt.%), low ash yield (11wt.%) and lower concentration of minerals (i.e. zinc) than raw PT-char. In addition, the volatile matter content of the blend (20 wt.%) was found to be higher than that of PT-char and the ignition temperature of the optimum fuel blend was relatively lower and its burnout temperature higher than that of PT char. The MS results revealed that the CO2 and NO2 emissions were higher in the optimum blend than the PT-char. The mechanical properties of the pellets; impact resistance and compressive strength increased with increasing biomass blending ratio and even more so with increasing microalgae ratio. The C55-T30-M15 and C75-T10-M15 were selected as optimum blends using regression analysis and both blends exceeded the benchmark for mechanical properties except for water resistance. The blending did not improve the water resistance and all the blends did not meet the minimum threshold for water resistance. Overall, the blending of PT-char with torrefied wood and microalgae biomass has shown to improve the fuel properties PT-char, and therefore, making it a suitable potential fuel source. , Thesis (MSc) -- Faculty of Science, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Dube, Cleopatra Thulani
- Date: 2021-12
- Subjects: Pyrolysis , Solid fuel reactors
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/58439 , vital:59241
- Description: he thermal decomposition of waste tyres via pyrolysis is considered to be amongst the most promising methods of recycling tyres due to its minimal environmental impact (in terms of reduction in pollution). During pyrolysis, tyres are thermally degraded in an inert environment to produce gas, oil and char. The gas and oil have promising commercialization prospects while the char remains a pollutant despite the strides made in a lot of research to upgrade the char to carbon black, activated carbon and even for reuse as a filler in tyre manufacture. For pyrolysis to be profitable, or worthy of investments, all three of its products (oil, char and gas) need to be valorised. Pyrolysis-derived tyre chars (PT-char) have an energy value equivalent to high rank coals, however, the use of PT char as a solid fuel is uncommon due to the high contents of sulphur and mineral matter as well as low volatile matter content of the PT-char. As such, the combustion of PT-char is characterised by high ignition temperature, low thermal reactivity, and no flame formation due to the low amounts of volatile matter. On the other hand, biomass are clean, renewable feedstock, having low sulphur and mineral matter contents, as well as high thermal reactivity. The blending of PT-char with biomass could potentially improve the combustion properties of PT-char and minimise the release of toxic emissions from the char, and thus, could make PT-char suitable for use as a fuel source. In this study, PT-char was blended with torrefied wood and microalgae biomass to demonstrate the suitability of using PT-char-biomass-fuel blend as an energy feedstock. To this effect, a mixture design of experiments was used to formulate the PT-char biomass blends and regression analysis was employed to select an optimum blend formulation for the combustion and mechanical properties of the blends. Proximate analysis results showed a non-linear increase in the volatile matter and a non-linear decrease in the fixed carbon and ash yield as the biomass ratio increased. The calorific value also increased on an additive basis with increasing biomass proportion. The elemental analysis results showed a decrease in the calcium, zinc and bromine contents and an increase in the potassium and iron contents increased with increasing biomass proportion. Likewise, the sulphur content decreased while the oxygen, hydrogen and nitrogen contents increased with increasing biomass ratio. vi Thus, the fuel properties of the blends improved with increasing biomass ratio and without compromising the calorific value of the PT-char. Moreover, the TG-MS analysis showed that the PT-char and the respective blends did not show any release SO2 up to 650°C. Thus, making the fuel suitable for use in low temperature applications such as household and certain boilers. The results of the regression analysis showed that the blend formulation with the highest proportions of biomass, thus C55-T30-M15, is the optimum blend to produce a solid fuel with a low initial decomposition (214°C) and char ignition temperatures (532°C) as well as maximum burn-out temperature (640°C). In essence, the high thermal reactivity of PT-char is improved when both biomasses are loaded at maximum ratios as per the experimental design. The results of the MS showed a decrease in CO2 and NO2 emissions with increasing biomass proportion. The optimum blend (C55-T30-M15) was found to have a comparably higher gross calorific value (26 MJ/kg), lower sulphur content (1.1 wt.%), low ash yield (11wt.%) and lower concentration of minerals (i.e. zinc) than raw PT-char. In addition, the volatile matter content of the blend (20 wt.%) was found to be higher than that of PT-char and the ignition temperature of the optimum fuel blend was relatively lower and its burnout temperature higher than that of PT char. The MS results revealed that the CO2 and NO2 emissions were higher in the optimum blend than the PT-char. The mechanical properties of the pellets; impact resistance and compressive strength increased with increasing biomass blending ratio and even more so with increasing microalgae ratio. The C55-T30-M15 and C75-T10-M15 were selected as optimum blends using regression analysis and both blends exceeded the benchmark for mechanical properties except for water resistance. The blending did not improve the water resistance and all the blends did not meet the minimum threshold for water resistance. Overall, the blending of PT-char with torrefied wood and microalgae biomass has shown to improve the fuel properties PT-char, and therefore, making it a suitable potential fuel source. , Thesis (MSc) -- Faculty of Science, 2021
- Full Text:
- Date Issued: 2021-12
Effect of coal and microalgae biomass co-firing on CO2, SO2 and NOx emissions: An experimental evaluation
- Authors: Magida, Nokuthula Ethel
- Date: 2021-12
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/53817 , vital:45984
- Description: There is increasingly stringent legislation on the environmental impact of energy production from coal combustion, and this has led to growing pressure to reduce the emission of greenhouse gases (GHGs). Thus, there is a significant need to develop and implement clean coal combustion technologies that would reduce the environmental gas pollutants. For power generation, the co-firing of biomass fuels at conventional coal-fired power stations is recognised as one of the low-cost, low-risk options to achieve significant reductions in GHG emissions. When coal is co-utilized with biomass there is added attractiveness because the biomass is CO2 neutral, and there is interest in using waste biomass and microalgae. Thus, the co-combustion of coal and biomass for energy production results in pollutant reduction, especially in the emissions of NOx, SOx, volatile organic compounds and polyaromatic hydrocarbons. The synergistic activity observed for toxic organic emissions is not well understood and is thought to involve chemical interaction between the volatiles from each fuel coupled with possible catalytic activity from the inorganic constituents of the fuels. The characterization of co-firing products and gases emitted from coal and microalgae (particularly the Scenedesmus strain) co-combustion has received limited attention. Therefore, this study seeks to understand possible interactions occurring during co-combustion of coal and Scenedesmus microalgae (Coalgae®). Additionally, the study aims to determine the effect of co-firing coal and Scenedesmus microalgae on CO2, SO2 and NOx emissions. The term “Coalgae®” refers to the mixture of coal and microalgae biomass. The study looks at physico-thermal characteristics as well as CO2, SO2 and NOx emissions of various coal-microalgae blending ratios by mass; 100:0 (coal), 95:5 (Coalgae® 5%), 90:10 (Coalgae® 10%), 85:15 (Coalgae® 15%) and 80:20 (Coalgae® 20%). Characterization techniques carried out included proximate and ultimate analyses, Fourier-transform infrared (FT-IR) and Scanning electron microscopy and X-ray energy dispersive spectroscopy (SEM/EDS). For combustion studies two techniques were applied. Low heating rate was obtained through a Thermogravimetric-Mass spectrometer analysis (TG-MS). Other combustion experiments were performed on the five lumpy fuels (coal and Coalgae® 5% - 20%) exposed to the flame in a fixed-bed combustion reactor. The emission concentrations of CO2 (%), NOx (ppm) and SO2 (ppm) of coal and Coalgae® blends were measured during the combustion of the five materials using a Lancom 4 portable flue gas analyser. The mass reduction (g) and temperature (°C) at the reactor exit were recorded during the combustion tests to compare the combustion behaviour of the four mixtures to that of raw coal. TG-DTG curves of coal and microalgae confirmed that the combustion behaviour of these materials was different. Coal showed one reaction during the combustion process, while microalgae and the Coalgae® blends showed three reactions. A significant reduction in activation energies of 160.4 kJ/mol, 159.6 kJ/mol, 151.3 kJ/mol, and 134.2 kJ/mol for Coalgae® 5% - Coalgae® 20%, respectively, compared to coal (161.3 kJ/mol) was achieved. The lowering of activation energy could be attributed to the relative fixed carbon content. SEM morphology images of ash obtained from the combustion of coal and Coalgae® 5% - 20% confirmed changes in devolatilization and combustion behaviour of solid raw fuel. The ash of Coalgae® blends had higher fluxing elements (Fe, Ca, K and Mg) than coal and this shows possibility of slagging and fouling in combustion systems. The Coalgae® blends showed a synergistic effect due to different combustion characteristics of coal and Scenedesmus microalgae. The combustion results obtained from the fixed-bed reactor showed significant reductions in concentrations of CO2, SO2 and NOx emissions for Coalgae® blends compared to baseline coal. Microalgae reduced CO2 emissions from baseline coal by 14.9%, 19.5%, 23.5% and 31.4% for Coalgae® 5%, 10%, 15% and 20%, respectively. SO2 reductions of 1.9%, 10.6%, 15.8% and 18.2%, and NOx reductions of 22.4%, 26.1%, 24.4% and 16.9% were achieved with Coalgae® 5%, 10%, 15% and 20%, respectively. Moreover, the combustion efficiency of Coalgae® blends increased significantly by up to 14.5% from baseline coal (86.4%) to Coalgae® 20% (98.9%). Based on the above findings, the co-firing of coal and Scenedesmus microalgae biomass was necessary for the reduction of CO2, SO2, and NOx emissions. As such, Coalgae® blends can be considered as alternative fuels in any coal driven process for energy generation. , Thesis (MSc) -- Faculty of Science, School of Biomolecular and Chemical Sciences, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Magida, Nokuthula Ethel
- Date: 2021-12
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/53817 , vital:45984
- Description: There is increasingly stringent legislation on the environmental impact of energy production from coal combustion, and this has led to growing pressure to reduce the emission of greenhouse gases (GHGs). Thus, there is a significant need to develop and implement clean coal combustion technologies that would reduce the environmental gas pollutants. For power generation, the co-firing of biomass fuels at conventional coal-fired power stations is recognised as one of the low-cost, low-risk options to achieve significant reductions in GHG emissions. When coal is co-utilized with biomass there is added attractiveness because the biomass is CO2 neutral, and there is interest in using waste biomass and microalgae. Thus, the co-combustion of coal and biomass for energy production results in pollutant reduction, especially in the emissions of NOx, SOx, volatile organic compounds and polyaromatic hydrocarbons. The synergistic activity observed for toxic organic emissions is not well understood and is thought to involve chemical interaction between the volatiles from each fuel coupled with possible catalytic activity from the inorganic constituents of the fuels. The characterization of co-firing products and gases emitted from coal and microalgae (particularly the Scenedesmus strain) co-combustion has received limited attention. Therefore, this study seeks to understand possible interactions occurring during co-combustion of coal and Scenedesmus microalgae (Coalgae®). Additionally, the study aims to determine the effect of co-firing coal and Scenedesmus microalgae on CO2, SO2 and NOx emissions. The term “Coalgae®” refers to the mixture of coal and microalgae biomass. The study looks at physico-thermal characteristics as well as CO2, SO2 and NOx emissions of various coal-microalgae blending ratios by mass; 100:0 (coal), 95:5 (Coalgae® 5%), 90:10 (Coalgae® 10%), 85:15 (Coalgae® 15%) and 80:20 (Coalgae® 20%). Characterization techniques carried out included proximate and ultimate analyses, Fourier-transform infrared (FT-IR) and Scanning electron microscopy and X-ray energy dispersive spectroscopy (SEM/EDS). For combustion studies two techniques were applied. Low heating rate was obtained through a Thermogravimetric-Mass spectrometer analysis (TG-MS). Other combustion experiments were performed on the five lumpy fuels (coal and Coalgae® 5% - 20%) exposed to the flame in a fixed-bed combustion reactor. The emission concentrations of CO2 (%), NOx (ppm) and SO2 (ppm) of coal and Coalgae® blends were measured during the combustion of the five materials using a Lancom 4 portable flue gas analyser. The mass reduction (g) and temperature (°C) at the reactor exit were recorded during the combustion tests to compare the combustion behaviour of the four mixtures to that of raw coal. TG-DTG curves of coal and microalgae confirmed that the combustion behaviour of these materials was different. Coal showed one reaction during the combustion process, while microalgae and the Coalgae® blends showed three reactions. A significant reduction in activation energies of 160.4 kJ/mol, 159.6 kJ/mol, 151.3 kJ/mol, and 134.2 kJ/mol for Coalgae® 5% - Coalgae® 20%, respectively, compared to coal (161.3 kJ/mol) was achieved. The lowering of activation energy could be attributed to the relative fixed carbon content. SEM morphology images of ash obtained from the combustion of coal and Coalgae® 5% - 20% confirmed changes in devolatilization and combustion behaviour of solid raw fuel. The ash of Coalgae® blends had higher fluxing elements (Fe, Ca, K and Mg) than coal and this shows possibility of slagging and fouling in combustion systems. The Coalgae® blends showed a synergistic effect due to different combustion characteristics of coal and Scenedesmus microalgae. The combustion results obtained from the fixed-bed reactor showed significant reductions in concentrations of CO2, SO2 and NOx emissions for Coalgae® blends compared to baseline coal. Microalgae reduced CO2 emissions from baseline coal by 14.9%, 19.5%, 23.5% and 31.4% for Coalgae® 5%, 10%, 15% and 20%, respectively. SO2 reductions of 1.9%, 10.6%, 15.8% and 18.2%, and NOx reductions of 22.4%, 26.1%, 24.4% and 16.9% were achieved with Coalgae® 5%, 10%, 15% and 20%, respectively. Moreover, the combustion efficiency of Coalgae® blends increased significantly by up to 14.5% from baseline coal (86.4%) to Coalgae® 20% (98.9%). Based on the above findings, the co-firing of coal and Scenedesmus microalgae biomass was necessary for the reduction of CO2, SO2, and NOx emissions. As such, Coalgae® blends can be considered as alternative fuels in any coal driven process for energy generation. , Thesis (MSc) -- Faculty of Science, School of Biomolecular and Chemical Sciences, 2021
- Full Text:
- Date Issued: 2021-12
Bioethical analysis of COVID19, WASH/waste and related disaster management implications
- Authors: Iheanetu, Chidinma Uchenna
- Date: 2022-04-06
- Subjects: Uncatalogued
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10962/232250 , vital:49975
- Description: Thesis (MSc) -- Faculty of Science, Biotechnology Innovation Centre, 2022
- Full Text:
- Date Issued: 2022-04-06
- Authors: Iheanetu, Chidinma Uchenna
- Date: 2022-04-06
- Subjects: Uncatalogued
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10962/232250 , vital:49975
- Description: Thesis (MSc) -- Faculty of Science, Biotechnology Innovation Centre, 2022
- Full Text:
- Date Issued: 2022-04-06
Youth development: a case study of vision4 mentorship programme for teenage girls in Port Elizabeth
- Authors: Gqabe, Ongeziwe Sharon
- Date: 2021-12
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54343 , vital:46477
- Description: Investment in youth development for a country like South Africa, where social issues such as unemployment, lack of quality education, high levels of school dropouts, difficulty in accessing post-secondary education and training are of high prevalence is crucial. There are different strategies that key players in youth development such as the government, private sector and NGOs can implement in advancing the youth. This study sought to examine one of these strategies which is mentorship. Consequently, the purpose of this study was to scrutinize the essential role that a mentorship program can play in progressing youth development. The objectives of this study are as follows: to investigate the key challenges facing the teenage girls that participated on the Vision4 Mentorship Program; to investigate the effectiveness of the strategy of using mentorship programs as a tool in achieving youth development in Motherwell, Port Elizabeth and to come up with the recommendations with the view of addressing some of the problems faced by the youth in Motherwell, Port Elizabeth. The research methodology used in this study include among others, individual interviews of participants that has been previously gone through the Vision4 Mentorship Program. Furthermore, relevant scholarly published work has been consulted to supplement the interviews. Mentorship has been used as a conceptual framework to understand the impact of mentoring to the young girls at Vision4 Mentorship Program. , Thesis (MA) -- Faculty of Humanities, Department of Sociology and Anthropology, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Gqabe, Ongeziwe Sharon
- Date: 2021-12
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54343 , vital:46477
- Description: Investment in youth development for a country like South Africa, where social issues such as unemployment, lack of quality education, high levels of school dropouts, difficulty in accessing post-secondary education and training are of high prevalence is crucial. There are different strategies that key players in youth development such as the government, private sector and NGOs can implement in advancing the youth. This study sought to examine one of these strategies which is mentorship. Consequently, the purpose of this study was to scrutinize the essential role that a mentorship program can play in progressing youth development. The objectives of this study are as follows: to investigate the key challenges facing the teenage girls that participated on the Vision4 Mentorship Program; to investigate the effectiveness of the strategy of using mentorship programs as a tool in achieving youth development in Motherwell, Port Elizabeth and to come up with the recommendations with the view of addressing some of the problems faced by the youth in Motherwell, Port Elizabeth. The research methodology used in this study include among others, individual interviews of participants that has been previously gone through the Vision4 Mentorship Program. Furthermore, relevant scholarly published work has been consulted to supplement the interviews. Mentorship has been used as a conceptual framework to understand the impact of mentoring to the young girls at Vision4 Mentorship Program. , Thesis (MA) -- Faculty of Humanities, Department of Sociology and Anthropology, 2021
- Full Text:
- Date Issued: 2021-12
Rural households’ perceptions of an invasive alien species rosa rubiginosa l. (rosehip) and the role it plays in rural livelihoods in Lesotho
- Authors: Makhorole, Thato Violet
- Date: 2022-10-14
- Subjects: Rose hips Lesotho , Invasive plants Lesotho , Rural poor Lesotho , Probit model , Principal components analysis
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/403069 , vital:69919
- Description: Despite the vast research on the negative impacts of invasive alien species on the environment, these species remain part of the rural communities due to their numerous livelihood uses. Thus, more research is required, focusing mainly on the impacts of invasive alien species on the livelihoods of rural communities. This study investigated the community perceptions of rosehip (Rosa rubiginosa) and its contribution to rural communities as an invasive alien species. Four community councils, Pitseng, Matlameng, Limamarela and Mphorosane in the Leribe District Lesotho, were assessed. The study followed the pragmatism paradigm. The contribution of rosehip to rural livelihoods was analysed by comparing income from rosehip with other income sources. The study used simple random sampling and snowball sampling to select a representative of 160 respondents. The primary data was collected using semi-structured questionnaires. Moreover, SPSS and Stata statistical package programs were used for statistical analyses. The results showed that rosehip's livelihood benefits, its negative impacts, the length of time it has been available in the area, and its abundance highly influence the social, economic and environmental perception of rural communities. Furthermore, the study revealed that although the income from rosehip is extremely low and available for only three months of the year, the income plays an important part to the poorer households who have no other income sources. The study found that the main reason for engagement in rosehip harvesting despite its challenging nature was unemployment. The study also revealed that rosehip is part of the risk-reducing strategy or income diversification. Some households used it to complement other sources of income, such as agricultural production. Rosehip trade, if well-controlled, has the potential to alleviate rural poverty by creating job opportunities, providing a source of household income, and acting as a safety net in the face of shocks such as limited job opportunities and food shortages. In conclusion, households’ perceptions of rosehip have proven that rosehip is a valuable resource that provides a supplementary income that contributes towards alleviating poverty in Lesotho’s rural communities. The study recommends the private sector to establish and manages small agro-processing industries focusing on products used daily. The study also encourages environmental education and indigenous knowledge among community members, which would include knowledge and recognition of invasive alien species and their potential benefits and threats. , Thesis (MEcon) -- Faculty of Commerce, Economics and Economic History, 2022
- Full Text:
- Date Issued: 2022-10-14
- Authors: Makhorole, Thato Violet
- Date: 2022-10-14
- Subjects: Rose hips Lesotho , Invasive plants Lesotho , Rural poor Lesotho , Probit model , Principal components analysis
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/403069 , vital:69919
- Description: Despite the vast research on the negative impacts of invasive alien species on the environment, these species remain part of the rural communities due to their numerous livelihood uses. Thus, more research is required, focusing mainly on the impacts of invasive alien species on the livelihoods of rural communities. This study investigated the community perceptions of rosehip (Rosa rubiginosa) and its contribution to rural communities as an invasive alien species. Four community councils, Pitseng, Matlameng, Limamarela and Mphorosane in the Leribe District Lesotho, were assessed. The study followed the pragmatism paradigm. The contribution of rosehip to rural livelihoods was analysed by comparing income from rosehip with other income sources. The study used simple random sampling and snowball sampling to select a representative of 160 respondents. The primary data was collected using semi-structured questionnaires. Moreover, SPSS and Stata statistical package programs were used for statistical analyses. The results showed that rosehip's livelihood benefits, its negative impacts, the length of time it has been available in the area, and its abundance highly influence the social, economic and environmental perception of rural communities. Furthermore, the study revealed that although the income from rosehip is extremely low and available for only three months of the year, the income plays an important part to the poorer households who have no other income sources. The study found that the main reason for engagement in rosehip harvesting despite its challenging nature was unemployment. The study also revealed that rosehip is part of the risk-reducing strategy or income diversification. Some households used it to complement other sources of income, such as agricultural production. Rosehip trade, if well-controlled, has the potential to alleviate rural poverty by creating job opportunities, providing a source of household income, and acting as a safety net in the face of shocks such as limited job opportunities and food shortages. In conclusion, households’ perceptions of rosehip have proven that rosehip is a valuable resource that provides a supplementary income that contributes towards alleviating poverty in Lesotho’s rural communities. The study recommends the private sector to establish and manages small agro-processing industries focusing on products used daily. The study also encourages environmental education and indigenous knowledge among community members, which would include knowledge and recognition of invasive alien species and their potential benefits and threats. , Thesis (MEcon) -- Faculty of Commerce, Economics and Economic History, 2022
- Full Text:
- Date Issued: 2022-10-14
The impact of Labour-business relations in South Africa: factors that affect Labour business relations in the manufacturing industry
- Authors: Madlingozi, Azola
- Date: 2021-12
- Subjects: Industrial relations -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54014 , vital:46178
- Description: Industries play a significant role in a country’s economic growth stability and development. In analysing an industry, one could liken it to a big oil machine that requires all its parts to work in unison to achieve a single goal. In most cases, the biggest issue that causes conflicts or for the industry not to run smoothly is the relationship between labour and business. Some of these conflicts could be caused by the historic background of a country, lack of trust between both parties, the income difference between management and labour, and last, the lack of proper communication between both parties. This study aims to assess the role of the Labour Relation Act (LRA) of the South African manufacturing industry to educate and improve the future business sphere on how to engage labour in decision-making strategies and investigate relevant management strategies that could be employed to affect the labour-business relation positively in South Africa (SA). The importance of this study is crucial to the SA economy since SA is still a developing country. Good labour-business relations imply good industry productions, which, therefore, will promote investor confidence in SA for sustainable growth in the SA economy. , Thesis (MBA) -- Faculty of Business and Economic Sciences, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Madlingozi, Azola
- Date: 2021-12
- Subjects: Industrial relations -- South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/54014 , vital:46178
- Description: Industries play a significant role in a country’s economic growth stability and development. In analysing an industry, one could liken it to a big oil machine that requires all its parts to work in unison to achieve a single goal. In most cases, the biggest issue that causes conflicts or for the industry not to run smoothly is the relationship between labour and business. Some of these conflicts could be caused by the historic background of a country, lack of trust between both parties, the income difference between management and labour, and last, the lack of proper communication between both parties. This study aims to assess the role of the Labour Relation Act (LRA) of the South African manufacturing industry to educate and improve the future business sphere on how to engage labour in decision-making strategies and investigate relevant management strategies that could be employed to affect the labour-business relation positively in South Africa (SA). The importance of this study is crucial to the SA economy since SA is still a developing country. Good labour-business relations imply good industry productions, which, therefore, will promote investor confidence in SA for sustainable growth in the SA economy. , Thesis (MBA) -- Faculty of Business and Economic Sciences, 2021
- Full Text:
- Date Issued: 2021-12
Bicultural voice in three works
- Authors: Nkuna, Musa Duke
- Date: 2021-12
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/54607 , vital:46769
- Description: This portfolio of compositions is made up of two parts: Part one is a commentary on the works presented in the portfolio. As required by Nelson Mandela University for the degree of DMus, the commentary is a descriptive narrative, rather than an analysis, of the works. It forms a basic guide for the listener as to how these works were conceived and constructed, and how both African and Western music elements have been used in order to achieve a syncretism. My commentary endeavours to show the compositional techniques applied when writing these works, and how my cultural interactions, music training and experience as a professional opera singer influence my compositional output. Part two contains the creative content of the portfolio: a set of scores of the three works themselves, as well as accompanying recordings of these works, with a total duration of ca. 100 minutes of music. It forms the main part of the submission. , Thesis (DMA) -- Faculty of Humanities, Department of Music and Performing Arts, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Nkuna, Musa Duke
- Date: 2021-12
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Doctoral theses , text
- Identifier: http://hdl.handle.net/10948/54607 , vital:46769
- Description: This portfolio of compositions is made up of two parts: Part one is a commentary on the works presented in the portfolio. As required by Nelson Mandela University for the degree of DMus, the commentary is a descriptive narrative, rather than an analysis, of the works. It forms a basic guide for the listener as to how these works were conceived and constructed, and how both African and Western music elements have been used in order to achieve a syncretism. My commentary endeavours to show the compositional techniques applied when writing these works, and how my cultural interactions, music training and experience as a professional opera singer influence my compositional output. Part two contains the creative content of the portfolio: a set of scores of the three works themselves, as well as accompanying recordings of these works, with a total duration of ca. 100 minutes of music. It forms the main part of the submission. , Thesis (DMA) -- Faculty of Humanities, Department of Music and Performing Arts, 2021
- Full Text:
- Date Issued: 2021-12
The design of a regional Archives in Swellendam, South Africa
- Authors: Steyn, Anli
- Date: 2021-12
- Subjects: Archival materials -- Conservation and restoration -- Construction , Community centers -- South Africa -- Swellendam -- Designs and plans
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/58595 , vital:59944
- Description: The treatise and proposed project deal with the creation of spaces rooted in the culture of a place, its identity, memory and meaning in the form of a contemporary regional archive and museum space for the context of Swellendam’s historical ribbon. The treatise seeks to find a strategy for a contemporary, yet regional specific, intervention in a traditional context and attempts to fulfil the creation of a place of culture, identity, meaning and memory. The methodology used for this architectural treatise is qualitative. In order to establish an appropriate building type, Swellendam's history and contextual data were analysed, at the same time, selected literature and ideas were introduced to establish the project's value set. Methods and principles are extracted and reinterpreted by the design project. Among the various works of literatures/theories reviewed in this treatise is that of Jonathan Noble, Maurice Halbwach, and Kenneth Frampton, among others. This respective literature sets the basis of the project’s value set on place and identity, memory and meaning, and tectonics and materials. The town’s rich history, morphology and nature of physical context are selected as an appropriate site. Furthermore, the treatise explores museums and archives as building types. This is done through the comparison of precedents under the light of certain issues. From this, the building type’s activities and spatial, programmatical requirements are gathered. Amid this various information collected are a set of relevant principles. Therefore, a set of principles (approach to memory, meaning and identity; heritage and conservation; extracting from the existing/vernacular/context; and approach to light) is explored and precedents are used to represent and learn from principles. This design project goes through a series of iterations to fulfil the specific architectural concerns and to create architecture specific for the context (relation to place, culture, history and site). The final design attempts to be a sensitive intervention, neutral in form, that resembles a heterogenous culture and hybridity. It aims to represent the culture of its place while being a public museum and archive facility. , Thesis (MArch) (Professional) -- Faculty of Engineering, the Built Environment and Technology, School of Architecture, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Steyn, Anli
- Date: 2021-12
- Subjects: Archival materials -- Conservation and restoration -- Construction , Community centers -- South Africa -- Swellendam -- Designs and plans
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/58595 , vital:59944
- Description: The treatise and proposed project deal with the creation of spaces rooted in the culture of a place, its identity, memory and meaning in the form of a contemporary regional archive and museum space for the context of Swellendam’s historical ribbon. The treatise seeks to find a strategy for a contemporary, yet regional specific, intervention in a traditional context and attempts to fulfil the creation of a place of culture, identity, meaning and memory. The methodology used for this architectural treatise is qualitative. In order to establish an appropriate building type, Swellendam's history and contextual data were analysed, at the same time, selected literature and ideas were introduced to establish the project's value set. Methods and principles are extracted and reinterpreted by the design project. Among the various works of literatures/theories reviewed in this treatise is that of Jonathan Noble, Maurice Halbwach, and Kenneth Frampton, among others. This respective literature sets the basis of the project’s value set on place and identity, memory and meaning, and tectonics and materials. The town’s rich history, morphology and nature of physical context are selected as an appropriate site. Furthermore, the treatise explores museums and archives as building types. This is done through the comparison of precedents under the light of certain issues. From this, the building type’s activities and spatial, programmatical requirements are gathered. Amid this various information collected are a set of relevant principles. Therefore, a set of principles (approach to memory, meaning and identity; heritage and conservation; extracting from the existing/vernacular/context; and approach to light) is explored and precedents are used to represent and learn from principles. This design project goes through a series of iterations to fulfil the specific architectural concerns and to create architecture specific for the context (relation to place, culture, history and site). The final design attempts to be a sensitive intervention, neutral in form, that resembles a heterogenous culture and hybridity. It aims to represent the culture of its place while being a public museum and archive facility. , Thesis (MArch) (Professional) -- Faculty of Engineering, the Built Environment and Technology, School of Architecture, 2021
- Full Text:
- Date Issued: 2021-12
The design of an automotive academy for Mercedes Benz in Gately, East London
- Authors: Dustan,Cameron
- Date: 2021-12
- Subjects: Automobile factories -- South Africa -- East London -- Designs and plans , Automobiles -- Design and construction
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/58860 , vital:60221
- Description: The purpose of this project is to investigate the automotive industry in East London, specifically Mercedes-Benz, in order to propose extensions of the skills development academy and exhibition spaces as an integral part of a larger campus of education. The Mercedes-Benz factory precinct in East London is one of the four largest in the world and is the biggest in Africa, creating grounds for extension. In East London, there is plenty of unemployment and many are seeking jobs in the industrial areas which are mainly automotive. Due to most of the industry being owned by Mercedes-Benz, it is crucial to engage in high levels of education and to provide opportunities for growth within the industry and expansion of skills. Students at the academy will learn different skills in the automotive manufacturing trade and will be guaranteed jobs after their studies are completed. The skills academy will form part of an educational precinct which will establish a narrative for the timeline of Mercedes-Benz. The project will hopefully provide more job opportunities and skills training for the locals of East London as well as to contribute to the economy of the automotive industry. Much like cars, industry works as a machine; there are bits and pieces that need to puzzle together in order to create a working and living machine. The automotive skills academies are exactly that for the industry, a piece of the puzzle which ensures the working of the industry as a whole, now and in the future. Without these skills academies, the automotive industry would subsequently lose its fundamental skills and knowledge base. The core concern for this treatise is the expansion of the industry by creating extensions of the Mercedes-Benz skills academy and creating a space which is educational while being a user-friendly building focused on the wellness of workers and rates of productivity to ensure maximized output and the further growth of the industry. The project is based in East London and will hold a pivotal role in the automotive industry. The treatise looks to break away from the hard industrial aspects of the industry and pull away from the static architecture of Mercedes-Benz and the surrounding buildings, to create a vibrant and experiential building with the overarching emphasis on occupational wellness and innovation in the design. , Thesis (MA) -- Faculty of Engineering, the Built Environment and Technology, School of Architecture, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Dustan,Cameron
- Date: 2021-12
- Subjects: Automobile factories -- South Africa -- East London -- Designs and plans , Automobiles -- Design and construction
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/58860 , vital:60221
- Description: The purpose of this project is to investigate the automotive industry in East London, specifically Mercedes-Benz, in order to propose extensions of the skills development academy and exhibition spaces as an integral part of a larger campus of education. The Mercedes-Benz factory precinct in East London is one of the four largest in the world and is the biggest in Africa, creating grounds for extension. In East London, there is plenty of unemployment and many are seeking jobs in the industrial areas which are mainly automotive. Due to most of the industry being owned by Mercedes-Benz, it is crucial to engage in high levels of education and to provide opportunities for growth within the industry and expansion of skills. Students at the academy will learn different skills in the automotive manufacturing trade and will be guaranteed jobs after their studies are completed. The skills academy will form part of an educational precinct which will establish a narrative for the timeline of Mercedes-Benz. The project will hopefully provide more job opportunities and skills training for the locals of East London as well as to contribute to the economy of the automotive industry. Much like cars, industry works as a machine; there are bits and pieces that need to puzzle together in order to create a working and living machine. The automotive skills academies are exactly that for the industry, a piece of the puzzle which ensures the working of the industry as a whole, now and in the future. Without these skills academies, the automotive industry would subsequently lose its fundamental skills and knowledge base. The core concern for this treatise is the expansion of the industry by creating extensions of the Mercedes-Benz skills academy and creating a space which is educational while being a user-friendly building focused on the wellness of workers and rates of productivity to ensure maximized output and the further growth of the industry. The project is based in East London and will hold a pivotal role in the automotive industry. The treatise looks to break away from the hard industrial aspects of the industry and pull away from the static architecture of Mercedes-Benz and the surrounding buildings, to create a vibrant and experiential building with the overarching emphasis on occupational wellness and innovation in the design. , Thesis (MA) -- Faculty of Engineering, the Built Environment and Technology, School of Architecture, 2021
- Full Text:
- Date Issued: 2021-12
The design of a special needs school: for children affected by trauma associated with HIV and AIDS in Schauderville, Gqeberha
- Authors: Felton, Mae Sarah
- Date: 2021-12
- Subjects: School buildings -- Design and construction , AIDS (Disease) -- South Africa -- Port Elizabeth , Children with disabilities -- Education -- Port Elizabeth
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/58838 , vital:60171
- Description: HIV and AIDS has been a long-standing and growing pandemic worldwide, but particularly in the context of South Africa. As a result, a pattern of trauma noticeably follows individuals, families and communities, and especially impacts on learners and their experience within the education system. Conventional school environments and buildings often become unaccommodating, harsh and overly-stimulating for learners with traumatic backgrounds and stress. Special needs schools address different disorders and conditions separately, and accommodate a variety of unique demands through teaching interventions and, more importantly, through architecture. This treatise aimed to break away from institutional and conventional architecture by applying theories on child development and architecture, the psychology of space, sensory architecture and trauma-informed design. This treatise positioned itself in empathy and wellness, with concern for the psychological experience of environments for learners, demonstrated through special needs schools, which addressed trauma associated with HIV and AIDS. Hence, this building type was explored to deinstitutionalise educational environments, to identify and address these learners’s specific needs. In realising an architectural intervention with reactive and therapeutic intent, the type of trauma and the relative experiences which triggered it needed to be understood and used to inform and shape comprehensive buildings and environments. This treatise, and the conclusions drawn from it, intended to guide and inform a principle typology and model for future projects of the same nature. As the first of its type, the special needs school location was in Gqeberha and in close proximity to Livingstone Hospital, where the HIV and AIDS cases were the highest. It was situated within the residential zone and schooling district of Schauderville, on the existing site of Adolph Schauder Primary School. The opportunities and challenges in and around this site, along with design principles based on the adopted theories informed an architectural intervention which challenged conventional schooling and design applications in favour of a more empathetic and considerate relationship between learners and architecture. , Thesis (MArch) -- Faculty of Engineering, the Built Environment and Technology, School of Architecture, 2021
- Full Text:
- Date Issued: 2021-12
- Authors: Felton, Mae Sarah
- Date: 2021-12
- Subjects: School buildings -- Design and construction , AIDS (Disease) -- South Africa -- Port Elizabeth , Children with disabilities -- Education -- Port Elizabeth
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/58838 , vital:60171
- Description: HIV and AIDS has been a long-standing and growing pandemic worldwide, but particularly in the context of South Africa. As a result, a pattern of trauma noticeably follows individuals, families and communities, and especially impacts on learners and their experience within the education system. Conventional school environments and buildings often become unaccommodating, harsh and overly-stimulating for learners with traumatic backgrounds and stress. Special needs schools address different disorders and conditions separately, and accommodate a variety of unique demands through teaching interventions and, more importantly, through architecture. This treatise aimed to break away from institutional and conventional architecture by applying theories on child development and architecture, the psychology of space, sensory architecture and trauma-informed design. This treatise positioned itself in empathy and wellness, with concern for the psychological experience of environments for learners, demonstrated through special needs schools, which addressed trauma associated with HIV and AIDS. Hence, this building type was explored to deinstitutionalise educational environments, to identify and address these learners’s specific needs. In realising an architectural intervention with reactive and therapeutic intent, the type of trauma and the relative experiences which triggered it needed to be understood and used to inform and shape comprehensive buildings and environments. This treatise, and the conclusions drawn from it, intended to guide and inform a principle typology and model for future projects of the same nature. As the first of its type, the special needs school location was in Gqeberha and in close proximity to Livingstone Hospital, where the HIV and AIDS cases were the highest. It was situated within the residential zone and schooling district of Schauderville, on the existing site of Adolph Schauder Primary School. The opportunities and challenges in and around this site, along with design principles based on the adopted theories informed an architectural intervention which challenged conventional schooling and design applications in favour of a more empathetic and considerate relationship between learners and architecture. , Thesis (MArch) -- Faculty of Engineering, the Built Environment and Technology, School of Architecture, 2021
- Full Text:
- Date Issued: 2021-12
The design of a performing Arts Centre at Makana’s Kop, in Makhanda
- Authors: Zitumane, Siphosethu Asanda
- Date: 2021-12
- Subjects: Centers for the performing arts -- South Africa -- Makhanda , Art centers -- South Africa -- Makhanda -- Designs and plans
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/${Handle} , vital:59921
- Description: Nearly three decades into democracy, the South African landscape is still embed - ded with the ideologies and systems of apartheid. Separateness has come to de - fine its cartography, drawing clear lines between races. To bridge the racial divide and reconstruct the national identity, the South African government adopted the Rainbow Nation as its brand. This branding did little to address the systemic racism ingrained into its society and landscape. This treatise identifies the limits of the rainbow nation, through an investigation of the intersections between memory, identity, and place. It identifies the imbalance in the expression of certain narratives as barrier in the progression of South Africa’s nation building initiative. Attempting to find a resolution, it offers the design of a performing arts center on Makana’s Kop, Makhanda as a starting point. This archi - tectural endeavor aims to express the oppressed narratives and memories of the Makhandan community. Through exploring how these issues play out in Makhanda, Makana’s Kop is iden - tified as an appropriate site for the architectural manifestation of this treatise. The significance of the site, and its relationship with other monumental structures in this city make it a suitable place for the design of a building of this nature. The inves - tigation is led to examine the architectural and theoretical principles that will ad - opted to aid in making this a successful architectural resolution to the issues iden - tified; which are firstly the need for an architecture to symbolize democracy and the new South African Identity and secondly the need for a container for culture and art for the Makana’s Kop community. The treatise, and thus the the endeavor, is concluded with a presentation and analysis of the final architectural product and the design and technical strategies that were implemented. , Thesis (MArch (Professional) -- Faculty of Engineering, the Built Environment and Technology ,School of Architecture 2022
- Full Text:
- Date Issued: 2021-12
- Authors: Zitumane, Siphosethu Asanda
- Date: 2021-12
- Subjects: Centers for the performing arts -- South Africa -- Makhanda , Art centers -- South Africa -- Makhanda -- Designs and plans
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/${Handle} , vital:59921
- Description: Nearly three decades into democracy, the South African landscape is still embed - ded with the ideologies and systems of apartheid. Separateness has come to de - fine its cartography, drawing clear lines between races. To bridge the racial divide and reconstruct the national identity, the South African government adopted the Rainbow Nation as its brand. This branding did little to address the systemic racism ingrained into its society and landscape. This treatise identifies the limits of the rainbow nation, through an investigation of the intersections between memory, identity, and place. It identifies the imbalance in the expression of certain narratives as barrier in the progression of South Africa’s nation building initiative. Attempting to find a resolution, it offers the design of a performing arts center on Makana’s Kop, Makhanda as a starting point. This archi - tectural endeavor aims to express the oppressed narratives and memories of the Makhandan community. Through exploring how these issues play out in Makhanda, Makana’s Kop is iden - tified as an appropriate site for the architectural manifestation of this treatise. The significance of the site, and its relationship with other monumental structures in this city make it a suitable place for the design of a building of this nature. The inves - tigation is led to examine the architectural and theoretical principles that will ad - opted to aid in making this a successful architectural resolution to the issues iden - tified; which are firstly the need for an architecture to symbolize democracy and the new South African Identity and secondly the need for a container for culture and art for the Makana’s Kop community. The treatise, and thus the the endeavor, is concluded with a presentation and analysis of the final architectural product and the design and technical strategies that were implemented. , Thesis (MArch (Professional) -- Faculty of Engineering, the Built Environment and Technology ,School of Architecture 2022
- Full Text:
- Date Issued: 2021-12
Inadequate menstrual health management and human rights
- Authors: Hartley, Gemma-Maé
- Date: 2022-10-14
- Subjects: Uncatalogued
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/422506 , vital:71953
- Description: Various human rights bodies have suggested that Inadequate Menstrual Health Management (MHM) could contribute to violations of human rights or, at the very least, is connected to the fulfilment of human rights. Despite recognition of this, there has not been thorough analysis of whether inadequate MHM is a violation of human rights, particularly in political discussions on the philosophy of human rights. Using a liberal cosmopolitan framework, this thesis attempts to bridge this gap and, ultimately, to argue that inadequate MHM constitutes a violation of human rights. This assertion brings with it various complications due to the heavily contested nature of human rights, their correlative duties, and the requirements for a lack of fulfilment to be considered a violation. I address each complication in turn. I argue that the traditional approach to human rights violations fails to consider the various ways that human rights are violated in our contemporary, globalised world. I suggest that structural violations of human rights should not be ruled out, particularly when we consider severe poverty and its by-products. Ultimately, the question of inadequate MHM is concerned with the content of human rights. If inadequate MHM were a violation, it would be a violation of women’s socio-economic rights. However, both group rights and socio-economic rights are contested. This thesis therefore justifies these rights. Group-differentiated rights are argued to be necessary for substantive equality. This is particularly the case when we consider the various risks women face simply because they are women. Women therefore need special protections and provisions for their human rights to be fulfilled. Socio-economic rights are necessary for the well-being and dignity of individuals everywhere. We can justify them even if they are costly, vague, and demanding on states, as critics argue they are. Therefore, if we can accept socio-economic rights and women’s rights, we can argue that inadequate MHM is a structural violation of human rights. Thinking about inadequate MHM in this way means we can respond to it with a level of urgency. This has the potential to improve the well-being, development, and dignity of women. , Thesis (MA) -- Faculty of Humanities, Political and International Studies, 2023
- Full Text:
- Date Issued: 2022-10-14
- Authors: Hartley, Gemma-Maé
- Date: 2022-10-14
- Subjects: Uncatalogued
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/422506 , vital:71953
- Description: Various human rights bodies have suggested that Inadequate Menstrual Health Management (MHM) could contribute to violations of human rights or, at the very least, is connected to the fulfilment of human rights. Despite recognition of this, there has not been thorough analysis of whether inadequate MHM is a violation of human rights, particularly in political discussions on the philosophy of human rights. Using a liberal cosmopolitan framework, this thesis attempts to bridge this gap and, ultimately, to argue that inadequate MHM constitutes a violation of human rights. This assertion brings with it various complications due to the heavily contested nature of human rights, their correlative duties, and the requirements for a lack of fulfilment to be considered a violation. I address each complication in turn. I argue that the traditional approach to human rights violations fails to consider the various ways that human rights are violated in our contemporary, globalised world. I suggest that structural violations of human rights should not be ruled out, particularly when we consider severe poverty and its by-products. Ultimately, the question of inadequate MHM is concerned with the content of human rights. If inadequate MHM were a violation, it would be a violation of women’s socio-economic rights. However, both group rights and socio-economic rights are contested. This thesis therefore justifies these rights. Group-differentiated rights are argued to be necessary for substantive equality. This is particularly the case when we consider the various risks women face simply because they are women. Women therefore need special protections and provisions for their human rights to be fulfilled. Socio-economic rights are necessary for the well-being and dignity of individuals everywhere. We can justify them even if they are costly, vague, and demanding on states, as critics argue they are. Therefore, if we can accept socio-economic rights and women’s rights, we can argue that inadequate MHM is a structural violation of human rights. Thinking about inadequate MHM in this way means we can respond to it with a level of urgency. This has the potential to improve the well-being, development, and dignity of women. , Thesis (MA) -- Faculty of Humanities, Political and International Studies, 2023
- Full Text:
- Date Issued: 2022-10-14
Singing madness: three performative analyses of the “mad scene” from Lucia di Lammermoor
- Authors: Le Kay, Jo-Nette
- Date: 2023-10-13
- Subjects: Uncatalogued
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/425377 , vital:72234
- Description: This study describes three internationally recognised sopranos and their presentations of character psychology on stage, during their performances of the famous “mad scene” from Gaetano Donizetti’s opera Lucia di Lammermoor. These sopranos are Joan Sutherland, Mariella Devia, and Lisette Oropesa. I use Margaret Kartomi’s (2014) model of performativity to interpret the “madness” depicted by the three selected sopranos, as based on my interpretations of commercially released audio-visual recordings of their performances in the role of Lucia. Through analysing these performances with the help of Kartomi’s performativity model (which focuses on persona, emotion-and intersubjectivity, and reception), my research determines – with speculative interpretation, and within the reasonable limits of standard psychiatric frameworks – which mental illnesses the sopranos can be understood to have portrayed in their interpretations of the role of Lucia. The study’s goal is not to make an accurate mental health diagnosis of someone’s portrayal of a fictional character. (Considering the fact that one cannot make accurate mental health diagnoses for people who do not exist.) Rather, my focus is to discover which dramatic and possibly musical characteristics are utilised to perform this fictional character and give expressive content to her “madness”. The concept of “madness” and its psychological characterisation during performance thus becomes the framework from which to interpret and understand vocal and acting techniques related to opera in general and to bel canto more specifically. My research findings are that the three performers use facial expressions, different aspects of using the voice through bel canto singing, and body movements as a way of expression. Bel canto characteristics include coloratura embellishments, fioritura, melismas, messa di voce, squillo and chiaroscuro. The sopranos also show musical and dramatic elements in how they respond to the flute or glass harmonica during the ‘Mad Scene’ – which counts as the personae expressed by the performers. These personae are further applied in the emotional and intersubjectivity and the reception aspects of Kartomi’s performativity model. In the emotional and intersubjectivity aspect, the chorus and other characters singing on stage are read as emphasising the reaction of society on the mentally dysfunctional behaviour enacted by the sopranos. In the reception aspect, reviewers are used to filling in for audience members. I read their reactions as contributing factors in forming an understanding of the interpretations of the “mad scene” performed by the three sopranos. My reading of the three interpretations of the “mad scene” goes further by subjectively interpreting how these sopranos approximate different states of mental collapse. These readings include approximations of psychosis such as mania, dissociative personality disorder, and paranoid schizophrenic behaviour. Always, though, these mental health behaviours are identified as approximations to better understand vocal and acting techniques. , Thesis (MMus) -- Faculty of Humanities, Music and Musicology, 2023
- Full Text:
- Date Issued: 2023-10-13
- Authors: Le Kay, Jo-Nette
- Date: 2023-10-13
- Subjects: Uncatalogued
- Language: English
- Type: Academic theses , Master's theses , text
- Identifier: http://hdl.handle.net/10962/425377 , vital:72234
- Description: This study describes three internationally recognised sopranos and their presentations of character psychology on stage, during their performances of the famous “mad scene” from Gaetano Donizetti’s opera Lucia di Lammermoor. These sopranos are Joan Sutherland, Mariella Devia, and Lisette Oropesa. I use Margaret Kartomi’s (2014) model of performativity to interpret the “madness” depicted by the three selected sopranos, as based on my interpretations of commercially released audio-visual recordings of their performances in the role of Lucia. Through analysing these performances with the help of Kartomi’s performativity model (which focuses on persona, emotion-and intersubjectivity, and reception), my research determines – with speculative interpretation, and within the reasonable limits of standard psychiatric frameworks – which mental illnesses the sopranos can be understood to have portrayed in their interpretations of the role of Lucia. The study’s goal is not to make an accurate mental health diagnosis of someone’s portrayal of a fictional character. (Considering the fact that one cannot make accurate mental health diagnoses for people who do not exist.) Rather, my focus is to discover which dramatic and possibly musical characteristics are utilised to perform this fictional character and give expressive content to her “madness”. The concept of “madness” and its psychological characterisation during performance thus becomes the framework from which to interpret and understand vocal and acting techniques related to opera in general and to bel canto more specifically. My research findings are that the three performers use facial expressions, different aspects of using the voice through bel canto singing, and body movements as a way of expression. Bel canto characteristics include coloratura embellishments, fioritura, melismas, messa di voce, squillo and chiaroscuro. The sopranos also show musical and dramatic elements in how they respond to the flute or glass harmonica during the ‘Mad Scene’ – which counts as the personae expressed by the performers. These personae are further applied in the emotional and intersubjectivity and the reception aspects of Kartomi’s performativity model. In the emotional and intersubjectivity aspect, the chorus and other characters singing on stage are read as emphasising the reaction of society on the mentally dysfunctional behaviour enacted by the sopranos. In the reception aspect, reviewers are used to filling in for audience members. I read their reactions as contributing factors in forming an understanding of the interpretations of the “mad scene” performed by the three sopranos. My reading of the three interpretations of the “mad scene” goes further by subjectively interpreting how these sopranos approximate different states of mental collapse. These readings include approximations of psychosis such as mania, dissociative personality disorder, and paranoid schizophrenic behaviour. Always, though, these mental health behaviours are identified as approximations to better understand vocal and acting techniques. , Thesis (MMus) -- Faculty of Humanities, Music and Musicology, 2023
- Full Text:
- Date Issued: 2023-10-13