Characterization of the heat source of thermal aquifers within the Soutpansberg Basin in the Limpopo Province, South Africa: Evidence from geophysical and geological investigations
- Authors: Nyabeze, Peter Kushara
- Date: 2019
- Subjects: Basins (Geology) -- Analysis Geology, Structural -- South Africa
- Language: English
- Type: Thesis , Doctoral , PhD (Geology)
- Identifier: http://hdl.handle.net/10353/15167 , vital:40192
- Description: The research was conducted to contribute towards the knowledge base on the potential for geothermal energy in the Soutpansberg Basin, located in the Limpopo Province of South Africa. The focus area was Siloam, an area that hosts a hottest spring with the highest recorded temperature of 67.5°C. The research involved visits to the Soutpansberg Basin, water sampling, carrying out ground geophysical surveys, and high-level processing of airborne magnetic data to determine depths and temperatures of magnetic sources. The water samples from the hot springs were found to be enriched in sodium, bicarbonate and chlorine with very low concentrations of other element species. The chemical composition of the spring water indicated a source chemistry comprising of the Na-ClHCO3 water assemblage that is a typical signature for deep circulating groundwater of meteoric origin. The circulation depth was inferred to be 2.0 km. The increased resolution of the ground magnetic, electrical resistivity tomography, and electromagnetic conductivity methods data made it possible to delineate subsurface structures at the spring such as dykes, sills, faults and fractures from generated depth models. Modelling of ground magnetic data showed that the Siloam hot spring occurred between two interpreted north dipping dykes approximately 150 m apart. The minimum depth extent of the dykes was interpreted to be 650 m. The magnetic susceptibility values determined from rock measurements and modelling of magnetic data indicated the presence of volcanic and metamorphic rocks. Electromagnetic profiling data showed that there were three main high conductivity zones in the study area with values above 100 mS/m; A central zone associated with the spring; A zone to the south of the spring and a north zone associated with the Siloam Fault. Ground geophysics survey results confirmed the existence of the Siloam Fault. Two artesian boreholes with water warmer than 40 °C were identified to the south of the Siloam hot spring. Both electromagnetic conductivity and electrical resistivity tomography surveys delineated lateral and vertical variation in the bedrock to depths of 40 m to 60 m. Water bearing structures that could be faults, or fractures were identified. Layering due to weathering and water content was found to be in the depth range of 20 m to 40 m. The depths of the potential heat sources were computed from the radially averaged power spectrum of airborne magnetic data for square blocks with side dimensions L of 51 km, 103 km, and 129 km. Spectral analysis based approaches namely Centroid method, Spectral peak method, and the Fractal based approach were used for computing depth and temperatures to heat sources. Airborne magnetic data sets with larger window sizes were preferred for depth computations, as they preserved spectral signatures of deeper sources and reduced the contribution of shallower sources. The size of the data windows did not have a marked effect of depth and temperature values. Shallower magnetic sources depths of approximately 2.0 km were delineated using the Euler deconvolution method. An anticlinal feature at depths of 2.0 to 4.5 km was 4 Final Submission of Thesis, Dissertation or Research Report/Project, Conference or Exam Paper delineated in the central part of the basin. Spectral analysis results indicated that the depth to the top of magnetic sources was at 3.5 km to 6.2 km; the centroid of the basement at 7.92 km to 13.41 km, and the basal below 11.09 km and 14.08 km. The lower end depth spectrum was determined from application of the Centroid method with the deeper being results from the Fractal based approach. The Spectral peak method was useful for determining the depth to the top of magnetic sources. The temperature of the top of magnetic sources and basement centroid were computed to be in the range 234.00 °C to 281.34 °C. Magnetic source depths and basal temperatures that were in the Curie point range within which rocks lose magnetism due to heat were determined, using a computation approach that utilised fractal parameters, to be 21.39 km and 577.42 °C, respectively. Increasing the value of the fractal parameter β from 0 to 4, had an effect of retaining deeper depths and higher temperatures. The fractal parameter β range of 3 to 4 that gave the Curie point parameters indicated basal rock types with an igneous predisposition. The research highlighted evidence for the existence of the Soutpansberg Basin Geothermal Field (SBGF). The area around Siloam is a potential target for drilling exploration geothermal energy boreholes based on the occurrence of hot springs, shallow heat source depths, anticlinal structure, high formation temperatures, deep circulating water and the achieved Curie point temperature.
- Full Text:
- Date Issued: 2019
- Authors: Nyabeze, Peter Kushara
- Date: 2019
- Subjects: Basins (Geology) -- Analysis Geology, Structural -- South Africa
- Language: English
- Type: Thesis , Doctoral , PhD (Geology)
- Identifier: http://hdl.handle.net/10353/15167 , vital:40192
- Description: The research was conducted to contribute towards the knowledge base on the potential for geothermal energy in the Soutpansberg Basin, located in the Limpopo Province of South Africa. The focus area was Siloam, an area that hosts a hottest spring with the highest recorded temperature of 67.5°C. The research involved visits to the Soutpansberg Basin, water sampling, carrying out ground geophysical surveys, and high-level processing of airborne magnetic data to determine depths and temperatures of magnetic sources. The water samples from the hot springs were found to be enriched in sodium, bicarbonate and chlorine with very low concentrations of other element species. The chemical composition of the spring water indicated a source chemistry comprising of the Na-ClHCO3 water assemblage that is a typical signature for deep circulating groundwater of meteoric origin. The circulation depth was inferred to be 2.0 km. The increased resolution of the ground magnetic, electrical resistivity tomography, and electromagnetic conductivity methods data made it possible to delineate subsurface structures at the spring such as dykes, sills, faults and fractures from generated depth models. Modelling of ground magnetic data showed that the Siloam hot spring occurred between two interpreted north dipping dykes approximately 150 m apart. The minimum depth extent of the dykes was interpreted to be 650 m. The magnetic susceptibility values determined from rock measurements and modelling of magnetic data indicated the presence of volcanic and metamorphic rocks. Electromagnetic profiling data showed that there were three main high conductivity zones in the study area with values above 100 mS/m; A central zone associated with the spring; A zone to the south of the spring and a north zone associated with the Siloam Fault. Ground geophysics survey results confirmed the existence of the Siloam Fault. Two artesian boreholes with water warmer than 40 °C were identified to the south of the Siloam hot spring. Both electromagnetic conductivity and electrical resistivity tomography surveys delineated lateral and vertical variation in the bedrock to depths of 40 m to 60 m. Water bearing structures that could be faults, or fractures were identified. Layering due to weathering and water content was found to be in the depth range of 20 m to 40 m. The depths of the potential heat sources were computed from the radially averaged power spectrum of airborne magnetic data for square blocks with side dimensions L of 51 km, 103 km, and 129 km. Spectral analysis based approaches namely Centroid method, Spectral peak method, and the Fractal based approach were used for computing depth and temperatures to heat sources. Airborne magnetic data sets with larger window sizes were preferred for depth computations, as they preserved spectral signatures of deeper sources and reduced the contribution of shallower sources. The size of the data windows did not have a marked effect of depth and temperature values. Shallower magnetic sources depths of approximately 2.0 km were delineated using the Euler deconvolution method. An anticlinal feature at depths of 2.0 to 4.5 km was 4 Final Submission of Thesis, Dissertation or Research Report/Project, Conference or Exam Paper delineated in the central part of the basin. Spectral analysis results indicated that the depth to the top of magnetic sources was at 3.5 km to 6.2 km; the centroid of the basement at 7.92 km to 13.41 km, and the basal below 11.09 km and 14.08 km. The lower end depth spectrum was determined from application of the Centroid method with the deeper being results from the Fractal based approach. The Spectral peak method was useful for determining the depth to the top of magnetic sources. The temperature of the top of magnetic sources and basement centroid were computed to be in the range 234.00 °C to 281.34 °C. Magnetic source depths and basal temperatures that were in the Curie point range within which rocks lose magnetism due to heat were determined, using a computation approach that utilised fractal parameters, to be 21.39 km and 577.42 °C, respectively. Increasing the value of the fractal parameter β from 0 to 4, had an effect of retaining deeper depths and higher temperatures. The fractal parameter β range of 3 to 4 that gave the Curie point parameters indicated basal rock types with an igneous predisposition. The research highlighted evidence for the existence of the Soutpansberg Basin Geothermal Field (SBGF). The area around Siloam is a potential target for drilling exploration geothermal energy boreholes based on the occurrence of hot springs, shallow heat source depths, anticlinal structure, high formation temperatures, deep circulating water and the achieved Curie point temperature.
- Full Text:
- Date Issued: 2019
Evaluation of Crime Prevention through Environmental Design Principles at the University of Fort Hare, Alice Campus
- Authors: Mditshwa, Abongile Sisanda
- Date: 2019
- Subjects: Crime prevention
- Language: English
- Type: Thesis , Masters , MSoc.Sci (Criminology)
- Identifier: http://hdl.handle.net/10353/17695 , vital:41137
- Description: The University of Fort Hare Alice campus experiences high crime rates. To address this problem, and add to the literature, this study applied the Crime Prevention through Environmental design (CPTED) model to measure the effectiveness of the crime prevention strategies at the University of Fort Hare (Alice campus). The aim of this study was to evaluate the sufficiency of surveillance and visibility, target hardening, maintenance and management at the University of Fort Hare, which contribute to the reduction of criminal activities around campus. The study further sought to evaluate the perceptions of students regarding their safety on campus by way of soliciting their experiences and observations. This study used the quantitative method, and questionnaires were distributed to the students in the Alice campus to collect data. The study found that whilst a marginal majority of students felt safe, a large proportion of students felt unsafe on campus. The study also found that students were dissatisfied with the service and found the security officers to be incompetent and un-trained. The study evaluated the sufficiency of crime prevention measures implemented within the university. One crucial aspect that emerged from the study is that CPTED principles were not sufficiently implemented to their fullest and the perception of the majority of students was that security personnel were not functioning in the way that they should, and measures such as adequate lighting were lacking. As a result, students felt unsafe on campus, especially during the night .The study concluded that there are clear increased feelings of vulnerability among students at the University of Fort Hare. The measures that are currently in place are not sufficient; therefore there is need for implementation of CPTED principles. It was recommended that the University increases number of CCTV surveillance cameras on campus, Social gathering places be surrounded by security guards for patrols, lighting recommendations that are modern and in proper design, keep up with repairs, make necessary replacements, paint, trim, current campus buildings e updated to meet recent CPTED practises etc.
- Full Text:
- Date Issued: 2019
- Authors: Mditshwa, Abongile Sisanda
- Date: 2019
- Subjects: Crime prevention
- Language: English
- Type: Thesis , Masters , MSoc.Sci (Criminology)
- Identifier: http://hdl.handle.net/10353/17695 , vital:41137
- Description: The University of Fort Hare Alice campus experiences high crime rates. To address this problem, and add to the literature, this study applied the Crime Prevention through Environmental design (CPTED) model to measure the effectiveness of the crime prevention strategies at the University of Fort Hare (Alice campus). The aim of this study was to evaluate the sufficiency of surveillance and visibility, target hardening, maintenance and management at the University of Fort Hare, which contribute to the reduction of criminal activities around campus. The study further sought to evaluate the perceptions of students regarding their safety on campus by way of soliciting their experiences and observations. This study used the quantitative method, and questionnaires were distributed to the students in the Alice campus to collect data. The study found that whilst a marginal majority of students felt safe, a large proportion of students felt unsafe on campus. The study also found that students were dissatisfied with the service and found the security officers to be incompetent and un-trained. The study evaluated the sufficiency of crime prevention measures implemented within the university. One crucial aspect that emerged from the study is that CPTED principles were not sufficiently implemented to their fullest and the perception of the majority of students was that security personnel were not functioning in the way that they should, and measures such as adequate lighting were lacking. As a result, students felt unsafe on campus, especially during the night .The study concluded that there are clear increased feelings of vulnerability among students at the University of Fort Hare. The measures that are currently in place are not sufficient; therefore there is need for implementation of CPTED principles. It was recommended that the University increases number of CCTV surveillance cameras on campus, Social gathering places be surrounded by security guards for patrols, lighting recommendations that are modern and in proper design, keep up with repairs, make necessary replacements, paint, trim, current campus buildings e updated to meet recent CPTED practises etc.
- Full Text:
- Date Issued: 2019
Records management at Albany Museum, Grahamstown, Eastern Cape Province, South Africa
- Authors: Obileke , Ugonna Christiana
- Date: 2019
- Subjects: Records -- Management
- Language: English
- Type: Thesis , Masters , M.LIS
- Identifier: http://hdl.handle.net/10353/17663 , vital:41133
- Description: This study is about records management at the Albany Museum in Grahamstown, in the Eastern Cape Province of South Africa. The objectives of the study were to find out the extent to which records management is practised; to find out what records management programme exist; to find out the infrastructure available for records management; and to identify the challenges, if any, facing records management in Albany Museum. The records life cycle and the records continuum formed the theoretical framework. The study adopted qualitative and quantitative research approaches. The state accountant, senior administrator, fossil excavator, receptionist and the postgraduate researcher formed the sample of the study. Quantitative data were coded and analysed using Microsoft Office Excel 2013 while the qualitative data were analysed using thematic analysis. The major findings showed that records management Albany Museum is very weak, which makes it difficult for the museum to derive or benefit from effective records management as well as experiencing delays in decision-making, loss and misplacement of records. Also, it was revealed that there was no personnel responsible for the records management. The study recommended for recruitment of personnel for records management in the museum to improve on records management as well as the development of a functioning records management program
- Full Text:
- Date Issued: 2019
- Authors: Obileke , Ugonna Christiana
- Date: 2019
- Subjects: Records -- Management
- Language: English
- Type: Thesis , Masters , M.LIS
- Identifier: http://hdl.handle.net/10353/17663 , vital:41133
- Description: This study is about records management at the Albany Museum in Grahamstown, in the Eastern Cape Province of South Africa. The objectives of the study were to find out the extent to which records management is practised; to find out what records management programme exist; to find out the infrastructure available for records management; and to identify the challenges, if any, facing records management in Albany Museum. The records life cycle and the records continuum formed the theoretical framework. The study adopted qualitative and quantitative research approaches. The state accountant, senior administrator, fossil excavator, receptionist and the postgraduate researcher formed the sample of the study. Quantitative data were coded and analysed using Microsoft Office Excel 2013 while the qualitative data were analysed using thematic analysis. The major findings showed that records management Albany Museum is very weak, which makes it difficult for the museum to derive or benefit from effective records management as well as experiencing delays in decision-making, loss and misplacement of records. Also, it was revealed that there was no personnel responsible for the records management. The study recommended for recruitment of personnel for records management in the museum to improve on records management as well as the development of a functioning records management program
- Full Text:
- Date Issued: 2019
Archives and Records Management Programmes in selected Universities in South Africa: A Study of University of Fort Hare and Rhodes University
- Authors: Somniso, Zoleka
- Date: 2019
- Subjects: Records -- Management
- Language: English
- Type: Thesis , Masters , MSoc. Sci (Library and information science)
- Identifier: http://hdl.handle.net/10353/18280 , vital:42248
- Description: The study investigates the Archives and Records Management Programmes (ARMP) in the University of Fort Hare (UFH) and Rhodes University (RU). The task of managing huge quantities of records and archives material is not an easy task when people have to use limited resources. The Research Objectives of the this study was to find out types of records created, received and maintained by university archives and records management programmes at University of Fort Hare and Rhodes University. Establish the available infrastructure for ARMP at the UFH and RU. Find out the legislative and regulatory frameworks that govern the ARMP at the UFH and RU. Identify challenges if there are any facing ARMP at the UFH and Rhodes University. Interviews and questionnaires were two research instruments used in this study to collect data; additional data was collected by reading relevant documents gathered on both institutions and on their website. In this study, the sample was 26 respondents from both universities. The study dealt with administrative staff who deal with records management: Records managers/Officers and Archivists at both institutions. viii Data collected was coded and analysed using Statistical Package for Social Sciences (SPSS) and the findings were presented using pie chart , graphs. The triangulation approaches involves using more than one method to collect data and it is a way of assuring the validity of research with variety of methods to collect data. Findings revealed that respondents were unaware of ARMP in the university. And also some of the findings were the infrastructural needs such as the Lack of records storage, space, Records Preservation facilities (RH, Light), Personnel Training and Development. The challenges facing ARMP in universities includes: a lack of programmes to manage records and archives material, absence of policy that regulates archives and records keeping in the universities understudy, the existing infrastructure at hand cannot meet the requirements for regulatory framework on records and archives management. Based on these challenges mentioned above, the study recommended that both institutions should improve their infrastructure as to be able to preserve the archival material. Training and retraining of staff among others should include use of technology, filing, records creation, maintenance and disposition
- Full Text:
- Date Issued: 2019
- Authors: Somniso, Zoleka
- Date: 2019
- Subjects: Records -- Management
- Language: English
- Type: Thesis , Masters , MSoc. Sci (Library and information science)
- Identifier: http://hdl.handle.net/10353/18280 , vital:42248
- Description: The study investigates the Archives and Records Management Programmes (ARMP) in the University of Fort Hare (UFH) and Rhodes University (RU). The task of managing huge quantities of records and archives material is not an easy task when people have to use limited resources. The Research Objectives of the this study was to find out types of records created, received and maintained by university archives and records management programmes at University of Fort Hare and Rhodes University. Establish the available infrastructure for ARMP at the UFH and RU. Find out the legislative and regulatory frameworks that govern the ARMP at the UFH and RU. Identify challenges if there are any facing ARMP at the UFH and Rhodes University. Interviews and questionnaires were two research instruments used in this study to collect data; additional data was collected by reading relevant documents gathered on both institutions and on their website. In this study, the sample was 26 respondents from both universities. The study dealt with administrative staff who deal with records management: Records managers/Officers and Archivists at both institutions. viii Data collected was coded and analysed using Statistical Package for Social Sciences (SPSS) and the findings were presented using pie chart , graphs. The triangulation approaches involves using more than one method to collect data and it is a way of assuring the validity of research with variety of methods to collect data. Findings revealed that respondents were unaware of ARMP in the university. And also some of the findings were the infrastructural needs such as the Lack of records storage, space, Records Preservation facilities (RH, Light), Personnel Training and Development. The challenges facing ARMP in universities includes: a lack of programmes to manage records and archives material, absence of policy that regulates archives and records keeping in the universities understudy, the existing infrastructure at hand cannot meet the requirements for regulatory framework on records and archives management. Based on these challenges mentioned above, the study recommended that both institutions should improve their infrastructure as to be able to preserve the archival material. Training and retraining of staff among others should include use of technology, filing, records creation, maintenance and disposition
- Full Text:
- Date Issued: 2019
An evaluation of the harmonised social cash transfer programme on livelihoods in Zimbabwe: the case of Mangwe District
- Authors: Poseni ,Pedzisai
- Date: 2019
- Subjects: Economic development -- Social aspects Social integration Social systems
- Language: English
- Type: Thesis , Masters , MCom (Development Studies)
- Identifier: http://hdl.handle.net/10353/13943 , vital:39730
- Description: Poverty and limited livelihood options remains a huge challenge in Africa, particularly in Zimbabwe. The study investigated the effectiveness of the Harmonized Social Cash Transfer programme in improving household economy and strengthening livelihood options in Zimbabwe with a particular focus on Mangwe District. In order to come up with a comprehensive investigation, the researcher grounded the study in sustainable livelihood approach and the capabaility approach. Due to persistent poverty and people adopting precarious coping strategies in Zimbawe, the government and NGOs collectively came up with a comprehensive cash based poverty alleviation strategy to alleviate poverty and build on peoples livelihood options which is the cash transfer programme. The study utilized a qualitative methodology, based on its ability to provide a contextualized description of people’s perspectives, feelings and opinions in terms of how a programme affected them. The evaluation sought to find out whether the cash transfer programme achieved its objective of strengthening household economy. The study established that the Harmonized Social Cash Transfer programme made some positive inroad towards strengthening household economy, however, lack of stakeholders coordination, collapsed economy, pollitically motivated moves from the ruling party caused the programme to fail. As such, the poor Mangwe people are still continuing engaging in precarious coping strategies, such as, selling assets, eating less than one meal per day and venturing into prostitution. The study therefore, calls for the government to review the household size vs cash scale and regularly review the amount of money received to be in line with current prices of commodities
- Full Text:
- Date Issued: 2019
- Authors: Poseni ,Pedzisai
- Date: 2019
- Subjects: Economic development -- Social aspects Social integration Social systems
- Language: English
- Type: Thesis , Masters , MCom (Development Studies)
- Identifier: http://hdl.handle.net/10353/13943 , vital:39730
- Description: Poverty and limited livelihood options remains a huge challenge in Africa, particularly in Zimbabwe. The study investigated the effectiveness of the Harmonized Social Cash Transfer programme in improving household economy and strengthening livelihood options in Zimbabwe with a particular focus on Mangwe District. In order to come up with a comprehensive investigation, the researcher grounded the study in sustainable livelihood approach and the capabaility approach. Due to persistent poverty and people adopting precarious coping strategies in Zimbawe, the government and NGOs collectively came up with a comprehensive cash based poverty alleviation strategy to alleviate poverty and build on peoples livelihood options which is the cash transfer programme. The study utilized a qualitative methodology, based on its ability to provide a contextualized description of people’s perspectives, feelings and opinions in terms of how a programme affected them. The evaluation sought to find out whether the cash transfer programme achieved its objective of strengthening household economy. The study established that the Harmonized Social Cash Transfer programme made some positive inroad towards strengthening household economy, however, lack of stakeholders coordination, collapsed economy, pollitically motivated moves from the ruling party caused the programme to fail. As such, the poor Mangwe people are still continuing engaging in precarious coping strategies, such as, selling assets, eating less than one meal per day and venturing into prostitution. The study therefore, calls for the government to review the household size vs cash scale and regularly review the amount of money received to be in line with current prices of commodities
- Full Text:
- Date Issued: 2019
Local web news as tools for framing food security: the content analysis of four selected Eastern Cape web newspapers
- Metula , Nolukhanyo Theorida
- Authors: Metula , Nolukhanyo Theorida
- Date: 2019
- Subjects: Food security World Wide Web
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10353/17484 , vital:41080
- Description: This study evaluates how the Eastern Cape local web newspapers frame food security in the Eastern Cape Province. A qualitative content analysis by means of textual analysis was used to evaluate the selected local web newspaper’s content on food security related stories within the period of July-December 2017. The sample was drawn from four Eastern Cape local web newspapers- Daily Dispatch Live, Herald Live, Go and Express and The Talk of the Town. The analysis sought to determine how the selected local web newspapers frame food security concerning food availability, accessibility and affordability in the Eastern Cape Province. Additionally, the study aimed to ascertain the issues about food security that are raised by the Eastern Cape local web newspapers and, to establish the extent to which these Eastern Cape local web newspapers’ framing is helpful in ensuring participation, empowerment and community mobilization for food securing purposes. The results of this study indicate that the local web newspapers frame Eastern Cape Province as untapped food basket. The framing suggests that the Province can leverage its agricultural resources for job creation which will ensure economic growth and food security. The local web newspapers framing suggests that there are numerous channels such as natural food production, livestock production, smallholder farming that can enhance availability and access to affordable food to people in the Eastern Cape Province. The findings revealed that local web newspapers frame increased agricultural production as an important issue that demand serious and urgent attention of the Provincial government as it has the potential of not only ensuring food security but also impacting positively on the income of local farmers. The local web newspapers frame farm attacks, land redistribution and reinstatement as important factors that hinder food production and, ultimately, food security in the Eastern Cape v Province. Furthermore, this study discovered that the frame of references used by the local web newspapers, especially the emphasis on local farming, land redistribution and private sector help to empower and mobilize individuals and communities to participate in food security initiatives. This study concludes that Eastern Cape Local Web Newspapers can be veritable tools to enhance food security channels in the Eastern Cape Province
- Full Text:
- Date Issued: 2019
- Authors: Metula , Nolukhanyo Theorida
- Date: 2019
- Subjects: Food security World Wide Web
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10353/17484 , vital:41080
- Description: This study evaluates how the Eastern Cape local web newspapers frame food security in the Eastern Cape Province. A qualitative content analysis by means of textual analysis was used to evaluate the selected local web newspaper’s content on food security related stories within the period of July-December 2017. The sample was drawn from four Eastern Cape local web newspapers- Daily Dispatch Live, Herald Live, Go and Express and The Talk of the Town. The analysis sought to determine how the selected local web newspapers frame food security concerning food availability, accessibility and affordability in the Eastern Cape Province. Additionally, the study aimed to ascertain the issues about food security that are raised by the Eastern Cape local web newspapers and, to establish the extent to which these Eastern Cape local web newspapers’ framing is helpful in ensuring participation, empowerment and community mobilization for food securing purposes. The results of this study indicate that the local web newspapers frame Eastern Cape Province as untapped food basket. The framing suggests that the Province can leverage its agricultural resources for job creation which will ensure economic growth and food security. The local web newspapers framing suggests that there are numerous channels such as natural food production, livestock production, smallholder farming that can enhance availability and access to affordable food to people in the Eastern Cape Province. The findings revealed that local web newspapers frame increased agricultural production as an important issue that demand serious and urgent attention of the Provincial government as it has the potential of not only ensuring food security but also impacting positively on the income of local farmers. The local web newspapers frame farm attacks, land redistribution and reinstatement as important factors that hinder food production and, ultimately, food security in the Eastern Cape v Province. Furthermore, this study discovered that the frame of references used by the local web newspapers, especially the emphasis on local farming, land redistribution and private sector help to empower and mobilize individuals and communities to participate in food security initiatives. This study concludes that Eastern Cape Local Web Newspapers can be veritable tools to enhance food security channels in the Eastern Cape Province
- Full Text:
- Date Issued: 2019
A model for secure and usable passphrases for multilingual users
- Authors: Maoneke, Pardon Blessings
- Date: 2019
- Subjects: Computers -- Access control -- Passwords Computer security
- Language: English
- Type: Thesis , Doctoral , PhD (Information Systems)
- Identifier: http://hdl.handle.net/10353/12571 , vital:39289
- Description: Research on more than 100 million passwords that have been leaked to the public domain has uncovered various security limitations associated with user-generated short passwords. Long passwords (passphrases) are considered an alternative solution that could provide a balance between security and usability. However, the literature shows a lack of consistency in the security and usability contributions of passphrases. For example, studies that investigated passphrase security focusing on structural dependencies at character level found passphrases to be secure. Inversely, other research findings suggest that passphrase security could be compromised by the use of predictable grammatical rules, popular words in a natural language and keyboard patterns. This is further exacerbated by research on passphrases that is focused on the Global North. This is a huge concern given that results from inter-cultural studies suggest that local languages do influence password structure and to some extent, password usability and security. To address these gaps in the literature, this study used socio-technical theory which emphasised both the social and technical aspects of the phenomenon under study. Psychological studies show that the memory has limited capacity, something that threatens password usability; hence, the need to utilise information that is already known during password generation. Socio-cultural theory suggests that the information that is already known by users is contextually informed, hence sociocultural theory was applied to understand the contextual factors that could be used to enhance passphrase security and usability. With reference to the Southern African context, this study argues that system designers should take advantage of a multilingual user group and encourage the generation of passphrases that are based on substrings from different languages. This study went on to promote the use of multilingual passphrases instead of emphasising multi-character class passwords. This study was guided by design science research. Participants were invited to take part in a short password and multilingual passphrase generation and recall experiment that was made available using a web-based application. These passwords were generated by participants under pre-specified conditions. Quantitative and qualitative data was gathered. The study findings showed the use of both African and Indo-European languages in multilingual passphrases and short passwords. English oriented passwords and substrings dominated the multilingual passphrase and short password corpora. In addition, some of the short passwords and substrings in the multilingual passphrase corpora were found among the most common passwords of 2016, 2017 and 2018. Usability tests showed that multilingual passphrases are usable, even though they were not easy to create and recall when compared to short passwords. A high rate of password reuse during short password generation by participants might have worked in favour of short passwords. Nonetheless, participants appear to reflect better usability with multilingual passphrases over time due to repeated use. Females struggled to recall short passwords and multilingual passphrases when compared to their male counterparts. Security tests using the Probabilistic Context-Free Grammar suggest that short passwords are weaker, with just more than 50% of the short passwords being guessed, while none 4 Final Submission of Thesis, Dissertation or Research Report/Project, Conference or Exam Paper of the multilingual passphrases were guessed. Further analysis showed that short passwords that were oriented towards an IndoEuropean language were more easily guessed than African language-oriented short passwords. As such, this study encourages orienting passwords towards African languages while the use of multilingual passphrases is expected to offer more security. The use of African languages and multilingual passphrases by a user group that is biased towards English-oriented passwords could enhance security by increasing the search space.
- Full Text:
- Date Issued: 2019
- Authors: Maoneke, Pardon Blessings
- Date: 2019
- Subjects: Computers -- Access control -- Passwords Computer security
- Language: English
- Type: Thesis , Doctoral , PhD (Information Systems)
- Identifier: http://hdl.handle.net/10353/12571 , vital:39289
- Description: Research on more than 100 million passwords that have been leaked to the public domain has uncovered various security limitations associated with user-generated short passwords. Long passwords (passphrases) are considered an alternative solution that could provide a balance between security and usability. However, the literature shows a lack of consistency in the security and usability contributions of passphrases. For example, studies that investigated passphrase security focusing on structural dependencies at character level found passphrases to be secure. Inversely, other research findings suggest that passphrase security could be compromised by the use of predictable grammatical rules, popular words in a natural language and keyboard patterns. This is further exacerbated by research on passphrases that is focused on the Global North. This is a huge concern given that results from inter-cultural studies suggest that local languages do influence password structure and to some extent, password usability and security. To address these gaps in the literature, this study used socio-technical theory which emphasised both the social and technical aspects of the phenomenon under study. Psychological studies show that the memory has limited capacity, something that threatens password usability; hence, the need to utilise information that is already known during password generation. Socio-cultural theory suggests that the information that is already known by users is contextually informed, hence sociocultural theory was applied to understand the contextual factors that could be used to enhance passphrase security and usability. With reference to the Southern African context, this study argues that system designers should take advantage of a multilingual user group and encourage the generation of passphrases that are based on substrings from different languages. This study went on to promote the use of multilingual passphrases instead of emphasising multi-character class passwords. This study was guided by design science research. Participants were invited to take part in a short password and multilingual passphrase generation and recall experiment that was made available using a web-based application. These passwords were generated by participants under pre-specified conditions. Quantitative and qualitative data was gathered. The study findings showed the use of both African and Indo-European languages in multilingual passphrases and short passwords. English oriented passwords and substrings dominated the multilingual passphrase and short password corpora. In addition, some of the short passwords and substrings in the multilingual passphrase corpora were found among the most common passwords of 2016, 2017 and 2018. Usability tests showed that multilingual passphrases are usable, even though they were not easy to create and recall when compared to short passwords. A high rate of password reuse during short password generation by participants might have worked in favour of short passwords. Nonetheless, participants appear to reflect better usability with multilingual passphrases over time due to repeated use. Females struggled to recall short passwords and multilingual passphrases when compared to their male counterparts. Security tests using the Probabilistic Context-Free Grammar suggest that short passwords are weaker, with just more than 50% of the short passwords being guessed, while none 4 Final Submission of Thesis, Dissertation or Research Report/Project, Conference or Exam Paper of the multilingual passphrases were guessed. Further analysis showed that short passwords that were oriented towards an IndoEuropean language were more easily guessed than African language-oriented short passwords. As such, this study encourages orienting passwords towards African languages while the use of multilingual passphrases is expected to offer more security. The use of African languages and multilingual passphrases by a user group that is biased towards English-oriented passwords could enhance security by increasing the search space.
- Full Text:
- Date Issued: 2019
Electrical, photo-thermal and mechanical degradation analysis of degraded single junction amorphous silicon solar modules
- Osayemwenre, Gilbert Omorodion
- Authors: Osayemwenre, Gilbert Omorodion
- Date: 2019
- Subjects: Solar cells Amorphous semiconductors Silicon
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10353/15211 , vital:40204
- Description: In this present era of sustainable energy development, photovoltaic modules which are based on amorphous silicon cells have immeasurable prospects of contributing meaningfully to the energy demand of the world at large. The global consciousness of environmental safety issues has birthed the rapid demand for the photovoltaic system. However, the production increase is mainly in bulk-type crystalline (c-Si) solar cells. Thus, to meet the high demand of the market, single junction amorphous silicon (a-Si:H) solar cells production must be encouraged through active research in that regard. This could also help to improve its efficiency and reliability. There has recently been a sharp decrease in the production cost of the bulk Si solar cell, but the a-Si:H solar cell still remains the most economically viable in comparison to the other PV technologies. Companies such as Sharp are currently developing large-scale a-Si:H solar modules that can produce an efficiency of 10.5% after the long-term degradation process. To date, a-Si:H is believed to be one of the most promising thin-film PV technologies (Saito et al., 1993; Hamakawa et al., 1994). The cost of a solar PV manufacturing fell by 6% in 2014 (Santa, 2014), this is in accordance with the 2008 cost production forecast; thus, the cost record stands at 0.20 per watt, as reported by the NPD Solar publisher. Amorphous silicon (a-Si) solar modules generate more kilowatt-hour (kWh) of electricity per kilowatt (kW) than crystalline silicon or other technologies of the same capacity of installation. Furthermore, a-Si:H modules have more functional hours per day. Single junction amorphous silicon (a-Si:H) modules can function beyond the peak sun hours, and they also have a better performance on a cloudy day. vii In other words, a 1kW PV system of a-Si:H is expected to generate more electricity per year in comparison to 1kW PV from other technologies, hence there is a low energy payback time. In this study, commercially available single junction amorphous silicon modules were bought from a local market and they were immediately deployed outdoors. The initial reading of the modules, which served as baseline reading, showed an average of 25% decrease in the modules performance, therefore, there is a need for a long term monitoring process to obtain the best and worst performing modules. Measuring the performance parameters of these PV modules under real sun light (IV) provides a better degradation assessment. This conventional assessment cannot provide an in-depth insight responsible for the variation and degradation of the performance parameters. More obscured parameters like recombination current and ideality factor were obtained from the dark IV measurements. However, this is still superficial in a way. The intrinsic parameters were obtained from scanning probe microscopy (SPM) and CV measurements. The study focuses on the degradation analysis of a-Si:H due to an increase in defect density. A rise in the defect concentration is a huge problem because it causes long-term solar cell degradation, which increases the recombination current and decreases the conversion efficiency. Furthermore, it decreases the photo-generating current and reduces the effective efficiency of the solar device. In other words, the electrical output decreases. This research investigates the reduction in a-Si:H modules’ maximum power, and correlates these with a hot spot formation. A PVPM IV tracer was used for the outdoor characterisation of the module’s temperature profile, while the IR camera was used to analyse the hot spot centre. A four probe IV/CV from NMU was used for the indoor assessment of smaller samples cleaved from both the affected and non-affected regions to characterise the electrical variations across the module viii samples. To be precise, in this study, a naturally degraded single junction amorphous silicon module was delaminated and its mechanical properties were analysed and correlated with the contact potential from a Kelvin probe force microscopy (KPFM).
- Full Text:
- Date Issued: 2019
- Authors: Osayemwenre, Gilbert Omorodion
- Date: 2019
- Subjects: Solar cells Amorphous semiconductors Silicon
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10353/15211 , vital:40204
- Description: In this present era of sustainable energy development, photovoltaic modules which are based on amorphous silicon cells have immeasurable prospects of contributing meaningfully to the energy demand of the world at large. The global consciousness of environmental safety issues has birthed the rapid demand for the photovoltaic system. However, the production increase is mainly in bulk-type crystalline (c-Si) solar cells. Thus, to meet the high demand of the market, single junction amorphous silicon (a-Si:H) solar cells production must be encouraged through active research in that regard. This could also help to improve its efficiency and reliability. There has recently been a sharp decrease in the production cost of the bulk Si solar cell, but the a-Si:H solar cell still remains the most economically viable in comparison to the other PV technologies. Companies such as Sharp are currently developing large-scale a-Si:H solar modules that can produce an efficiency of 10.5% after the long-term degradation process. To date, a-Si:H is believed to be one of the most promising thin-film PV technologies (Saito et al., 1993; Hamakawa et al., 1994). The cost of a solar PV manufacturing fell by 6% in 2014 (Santa, 2014), this is in accordance with the 2008 cost production forecast; thus, the cost record stands at 0.20 per watt, as reported by the NPD Solar publisher. Amorphous silicon (a-Si) solar modules generate more kilowatt-hour (kWh) of electricity per kilowatt (kW) than crystalline silicon or other technologies of the same capacity of installation. Furthermore, a-Si:H modules have more functional hours per day. Single junction amorphous silicon (a-Si:H) modules can function beyond the peak sun hours, and they also have a better performance on a cloudy day. vii In other words, a 1kW PV system of a-Si:H is expected to generate more electricity per year in comparison to 1kW PV from other technologies, hence there is a low energy payback time. In this study, commercially available single junction amorphous silicon modules were bought from a local market and they were immediately deployed outdoors. The initial reading of the modules, which served as baseline reading, showed an average of 25% decrease in the modules performance, therefore, there is a need for a long term monitoring process to obtain the best and worst performing modules. Measuring the performance parameters of these PV modules under real sun light (IV) provides a better degradation assessment. This conventional assessment cannot provide an in-depth insight responsible for the variation and degradation of the performance parameters. More obscured parameters like recombination current and ideality factor were obtained from the dark IV measurements. However, this is still superficial in a way. The intrinsic parameters were obtained from scanning probe microscopy (SPM) and CV measurements. The study focuses on the degradation analysis of a-Si:H due to an increase in defect density. A rise in the defect concentration is a huge problem because it causes long-term solar cell degradation, which increases the recombination current and decreases the conversion efficiency. Furthermore, it decreases the photo-generating current and reduces the effective efficiency of the solar device. In other words, the electrical output decreases. This research investigates the reduction in a-Si:H modules’ maximum power, and correlates these with a hot spot formation. A PVPM IV tracer was used for the outdoor characterisation of the module’s temperature profile, while the IR camera was used to analyse the hot spot centre. A four probe IV/CV from NMU was used for the indoor assessment of smaller samples cleaved from both the affected and non-affected regions to characterise the electrical variations across the module viii samples. To be precise, in this study, a naturally degraded single junction amorphous silicon module was delaminated and its mechanical properties were analysed and correlated with the contact potential from a Kelvin probe force microscopy (KPFM).
- Full Text:
- Date Issued: 2019
Listeners’ Participation in Community Radio: A Case Study of Forte FM Radio
- Authors: Bamigboye, Foluke Bosede
- Date: 2019
- Subjects: Community radio Radio in community development
- Language: English
- Type: Thesis , Masters , MSoc (Communications)
- Identifier: http://hdl.handle.net/10353/16254 , vital:40703
- Description: This dissertation investigates listeners’ participation in community radio, drawing on Forte FM radio in Nkonkobe Municipality in Alice, Eastern Cape. The aim of the study was therefore to explore how listeners are been involved in the activities of Forte FM radio station. This study adopts qualitative research approach. Convenience, and purposive non-probability samplings techniques were subsequently used to select samples for this study. In-depth interviews was conducted with the radio station manager while one focus group discussion each was held with residents of Golf Course and Ntselamanzi areas with eight participants in each focus group, making a total number of sixteen participants for the focus group discussions. The collected data were interpreted and analyzed thematically. The findings of this research showed a remarkable disparity between the listeners of the radio station and perceptions of participation on one hand, and the listeners’ opinion and perceptions of them vice versa. Also, programming is often conceptualized with little or no community involvement and interaction. Listeners interviewed in the course of carrying out the focus group discussion in the two sampled areas were of the views that they only get connected to Forte FM radio station on social grounds of greetings and “shout outs”, through public spheres and for self-representation in the variety of public spaces of Forte FM radio. Another critical finding of this study indicated that, Forte FM is doing its best towards involving listeners in its programming.
- Full Text:
- Date Issued: 2019
- Authors: Bamigboye, Foluke Bosede
- Date: 2019
- Subjects: Community radio Radio in community development
- Language: English
- Type: Thesis , Masters , MSoc (Communications)
- Identifier: http://hdl.handle.net/10353/16254 , vital:40703
- Description: This dissertation investigates listeners’ participation in community radio, drawing on Forte FM radio in Nkonkobe Municipality in Alice, Eastern Cape. The aim of the study was therefore to explore how listeners are been involved in the activities of Forte FM radio station. This study adopts qualitative research approach. Convenience, and purposive non-probability samplings techniques were subsequently used to select samples for this study. In-depth interviews was conducted with the radio station manager while one focus group discussion each was held with residents of Golf Course and Ntselamanzi areas with eight participants in each focus group, making a total number of sixteen participants for the focus group discussions. The collected data were interpreted and analyzed thematically. The findings of this research showed a remarkable disparity between the listeners of the radio station and perceptions of participation on one hand, and the listeners’ opinion and perceptions of them vice versa. Also, programming is often conceptualized with little or no community involvement and interaction. Listeners interviewed in the course of carrying out the focus group discussion in the two sampled areas were of the views that they only get connected to Forte FM radio station on social grounds of greetings and “shout outs”, through public spheres and for self-representation in the variety of public spaces of Forte FM radio. Another critical finding of this study indicated that, Forte FM is doing its best towards involving listeners in its programming.
- Full Text:
- Date Issued: 2019
Afro-communitarianism, social architecture, and the moral education of children as strategies for social integration in South Africa
- Authors: Ofana , Diana E
- Date: 2019
- Subjects: Social integration
- Language: English
- Type: Thesis , Masters , M.A
- Identifier: http://hdl.handle.net/10353/17674 , vital:41135
- Description: South African society has long been bedeviled by racial segregation and oppression. Apartheid policies structured South Africa in a segregated and hierarchical manner to prevent inter-group contact and relations. Despite twenty-five years of a democratic dispensation and the many positive institutional and policy changes it has provided, South Africans are still struggling to build an integrated society of equals. This thesis uses Afro-communitarianism as a framework to analyse this challenge of continued racial segregation in post-Apartheid South Africa, and to provide tools to encourage integration. Afro-communitarianism holds that the essence of the human person is incomplete without the recognition of one’s nature as one amongst others. Afro-communitarianism emphasizes deep communal relationships between individuals and their community, it conceptualizes a person as only truly a person in relation to others. Drawing from this core idea, this thesis develops a conception of personhood as complementary. Complementary personhood argues that no human person is self-sufficient, and as such a mutual complementarity between and amongst them serves to positively enhance the quality of one’s social, moral, political, and existential realities. An Afro-communitarian understanding of integration is built upon this mutual complementarity, and as such focuses on the need for interaction, relationship, and communal space. The thesis develops this Afro-communitarian concept of social integration and uses it as a framework to identify the core relational problem underlying racial tensions in contemporary South Africa. I argue that my Afro-communitarian account of complementary personhood provides us with two mutually reinforcing strategies to respond to this core relational problem. First, I present 4 an account of Afro-communitarian social architecture which prioritizes communal engagement through the creation of communal spaces that promote humane relationships. Second, I argue for an Afro-communitarian understanding of moral education that is centred on instilling communal values and a complementary understanding of personhood. Together, these two strategies provide resources toward developing a new and innovative path toward an integrated South Africa.
- Full Text:
- Date Issued: 2019
- Authors: Ofana , Diana E
- Date: 2019
- Subjects: Social integration
- Language: English
- Type: Thesis , Masters , M.A
- Identifier: http://hdl.handle.net/10353/17674 , vital:41135
- Description: South African society has long been bedeviled by racial segregation and oppression. Apartheid policies structured South Africa in a segregated and hierarchical manner to prevent inter-group contact and relations. Despite twenty-five years of a democratic dispensation and the many positive institutional and policy changes it has provided, South Africans are still struggling to build an integrated society of equals. This thesis uses Afro-communitarianism as a framework to analyse this challenge of continued racial segregation in post-Apartheid South Africa, and to provide tools to encourage integration. Afro-communitarianism holds that the essence of the human person is incomplete without the recognition of one’s nature as one amongst others. Afro-communitarianism emphasizes deep communal relationships between individuals and their community, it conceptualizes a person as only truly a person in relation to others. Drawing from this core idea, this thesis develops a conception of personhood as complementary. Complementary personhood argues that no human person is self-sufficient, and as such a mutual complementarity between and amongst them serves to positively enhance the quality of one’s social, moral, political, and existential realities. An Afro-communitarian understanding of integration is built upon this mutual complementarity, and as such focuses on the need for interaction, relationship, and communal space. The thesis develops this Afro-communitarian concept of social integration and uses it as a framework to identify the core relational problem underlying racial tensions in contemporary South Africa. I argue that my Afro-communitarian account of complementary personhood provides us with two mutually reinforcing strategies to respond to this core relational problem. First, I present 4 an account of Afro-communitarian social architecture which prioritizes communal engagement through the creation of communal spaces that promote humane relationships. Second, I argue for an Afro-communitarian understanding of moral education that is centred on instilling communal values and a complementary understanding of personhood. Together, these two strategies provide resources toward developing a new and innovative path toward an integrated South Africa.
- Full Text:
- Date Issued: 2019
Land rental policy and land market in Mashonaland East Province, Zimbabwe: implications on farmer decisions, efficiency and equity under A1 and A2 models
- Authors: Tatsvarei , Simbarashe
- Date: 2019
- Subjects: Farms, Small Agricultural extension work
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10353/15666 , vital:40501
- Description: Government promulgated the land rental policy starting in the year 2007. The policy required that A1 (market residual) and A2 (indigenous commercial) farmers pay rentals to the state. Since then, there has also been an emerging trend in which farmers have been renting in and out land, resulting in an informal market for land rentals. The study therefore assessed farmers’ perceptions of land rental policy and evaluated the possible association of this policy to farmers’ decision making on land rental markets as well as its implications on farmers’ efficiency and equity. The study was carried out in Mashonaland East Province of Zimbabwe, covering two districts, Goromonzi and Marondera. The focus was specifically on A1 and A2 farmers, as the rental policy was directed at these resettlement models only and much of the informal land rental markets were prevalent among these categories of farmers. Data collection utilised the survey approach. This was supported by key informant interviews and focus group discussions, with a final sample of 339 households selected using multi-stage sampling method. Survey data were transcribed on CsPro 6, and analysed using Stata, SPSS and Frontier 4.1. Results showed that about a third of household respondents was from Marondera and twothirds was from Goromonzi, while 79% and 21% was A1 and A2 farmers respectively. About 80% was male headed households and the remainder was female headed households. About half of the households were not participating in land rental markets while the other half was split almost equally between those renting-in and renting-out land. In general, A2 farmers were better in agricultural productivity than A1 farmers. It was concluded that farmers had a fairly good knowledge of the agricultural land rental policy enunciated in the Finance Bills. A1 farmers were more knowledgeable than A2 farmers, but no vii significant differences were observed between male and female headed households and farmers involved and not involved in land rental markets. Farmers’ attitudes in relation to policy were categorised as fair, with significant differences based on gender and land market participation. Practice scores showed a poor adherence to policy for all categories of farmers. Overall perceptions of farmers on rental policy was inferred as fair with significant differences existing between land rental market participants and non-participants (autarky). The results of a bivariate Tobit model results showed that the decision to rent-in land was significantly influenced by gender, household income, permanent labour, cultivated area, tenure certainty, irrigable land size and crop diversification. On the other hand, age, permanent labour, irrigable land size and crop diversification significantly influenced farmers’ decisions to rent-out land. The conclusion was that household characteristics, land endowments and transaction costs significantly influenced the decision to rent-in land while the former two were strong in influencing renting-out decisions. Results from the linearized Cobb Douglas model showed that economic efficiency for most farmers was above 50%. Farmers renting-out land under A1 were found to be the most economically efficient, followed by those who were renting-in and least efficient were farmers not participating in land rental markets, though the differences were marginal. For the A2 model, renting-in farmers were the most efficient, followed by those in autarky position, while renting-out farmers were the least. Overall, the most efficient farmers were those renting-in, followed by those renting-out while farmers in autarky were the least efficient. Overall efficiency was higher for A2 farmers than for A1 farmers. For farmers not participating in rental markets, the sources of inefficiency were crop type, crop area and labour. For farmers renting-in, it was proportion of irrigable land, size of irrigable land, crop type, crop area and viii labour, while inefficiency drivers for renting-out farmers were crop type and associated area. Equity analysis showed that participation in land rental markets reduced inequality for farmers in the two districts and male and female headed households. Inequality was increased among A1 farmers and remained unchanged among A2 farmers. Overall, the emerging position was that participation in land rental markets resulted in higher efficiency and reduced inequality in land holding among the sampled farmers. It is recommended that government should be consistent on land rental policy and bring into place effective administration of land rental policy. Government may also consider formal acceptance of land rental markets in light of the marginal efficiency and equity benefits shown in the study. However, formalizing land rental markets alone may not be a panacea to improved efficiency and needs to be supported by other productivity measures given the average efficiency values for farmers. Crop and livestock production based on compatibility with the natural regions and defined minimum size of land should be encouraged to improve efficiency
- Full Text:
- Date Issued: 2019
- Authors: Tatsvarei , Simbarashe
- Date: 2019
- Subjects: Farms, Small Agricultural extension work
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: http://hdl.handle.net/10353/15666 , vital:40501
- Description: Government promulgated the land rental policy starting in the year 2007. The policy required that A1 (market residual) and A2 (indigenous commercial) farmers pay rentals to the state. Since then, there has also been an emerging trend in which farmers have been renting in and out land, resulting in an informal market for land rentals. The study therefore assessed farmers’ perceptions of land rental policy and evaluated the possible association of this policy to farmers’ decision making on land rental markets as well as its implications on farmers’ efficiency and equity. The study was carried out in Mashonaland East Province of Zimbabwe, covering two districts, Goromonzi and Marondera. The focus was specifically on A1 and A2 farmers, as the rental policy was directed at these resettlement models only and much of the informal land rental markets were prevalent among these categories of farmers. Data collection utilised the survey approach. This was supported by key informant interviews and focus group discussions, with a final sample of 339 households selected using multi-stage sampling method. Survey data were transcribed on CsPro 6, and analysed using Stata, SPSS and Frontier 4.1. Results showed that about a third of household respondents was from Marondera and twothirds was from Goromonzi, while 79% and 21% was A1 and A2 farmers respectively. About 80% was male headed households and the remainder was female headed households. About half of the households were not participating in land rental markets while the other half was split almost equally between those renting-in and renting-out land. In general, A2 farmers were better in agricultural productivity than A1 farmers. It was concluded that farmers had a fairly good knowledge of the agricultural land rental policy enunciated in the Finance Bills. A1 farmers were more knowledgeable than A2 farmers, but no vii significant differences were observed between male and female headed households and farmers involved and not involved in land rental markets. Farmers’ attitudes in relation to policy were categorised as fair, with significant differences based on gender and land market participation. Practice scores showed a poor adherence to policy for all categories of farmers. Overall perceptions of farmers on rental policy was inferred as fair with significant differences existing between land rental market participants and non-participants (autarky). The results of a bivariate Tobit model results showed that the decision to rent-in land was significantly influenced by gender, household income, permanent labour, cultivated area, tenure certainty, irrigable land size and crop diversification. On the other hand, age, permanent labour, irrigable land size and crop diversification significantly influenced farmers’ decisions to rent-out land. The conclusion was that household characteristics, land endowments and transaction costs significantly influenced the decision to rent-in land while the former two were strong in influencing renting-out decisions. Results from the linearized Cobb Douglas model showed that economic efficiency for most farmers was above 50%. Farmers renting-out land under A1 were found to be the most economically efficient, followed by those who were renting-in and least efficient were farmers not participating in land rental markets, though the differences were marginal. For the A2 model, renting-in farmers were the most efficient, followed by those in autarky position, while renting-out farmers were the least. Overall, the most efficient farmers were those renting-in, followed by those renting-out while farmers in autarky were the least efficient. Overall efficiency was higher for A2 farmers than for A1 farmers. For farmers not participating in rental markets, the sources of inefficiency were crop type, crop area and labour. For farmers renting-in, it was proportion of irrigable land, size of irrigable land, crop type, crop area and viii labour, while inefficiency drivers for renting-out farmers were crop type and associated area. Equity analysis showed that participation in land rental markets reduced inequality for farmers in the two districts and male and female headed households. Inequality was increased among A1 farmers and remained unchanged among A2 farmers. Overall, the emerging position was that participation in land rental markets resulted in higher efficiency and reduced inequality in land holding among the sampled farmers. It is recommended that government should be consistent on land rental policy and bring into place effective administration of land rental policy. Government may also consider formal acceptance of land rental markets in light of the marginal efficiency and equity benefits shown in the study. However, formalizing land rental markets alone may not be a panacea to improved efficiency and needs to be supported by other productivity measures given the average efficiency values for farmers. Crop and livestock production based on compatibility with the natural regions and defined minimum size of land should be encouraged to improve efficiency
- Full Text:
- Date Issued: 2019
The contribution of the citrus sub-sector to the economy of Sundays River Valley Local Municipality
- Authors: Smith, Siphelele Ricardo
- Date: 2019
- Language: English
- Type: Thesis , Masters , M Agric (Agric Extension)
- Identifier: http://hdl.handle.net/10353/18861 , vital:42878
- Description: Neither the South African government, nor organised agriculture, nor the research community, has an accurate understanding of the role that the citrus sub-sector plays in the local economy of the main producing areas. There are in fact few studies in South Africa on the linkages between agriculture and other economic sectors at the local level. Through understanding the backward and forward linkages in the citrus sub-sector in Sundays River Valley, one of South Africa’s main citrus areas, it is possible to obtain a better understanding of how investment and expenditure in this sub-sector might influence other related subsectors. The main objective of the study is to assess and understand the citrus industry's contribution to the local economy of Sundays River Valley Local Municipality. This is done through the estimation of an input-output table which differentiates local from non-local economic linkages, and which also, given the labour intensity of the citrus subsector, is closed with respect to households, i.e. households are treated as an endogenous sector with interrelationships with the other sectors captured. The other sectors captured include agroprocessing, utilities, transport and retail. The input-out table, which is estimated based on primary surveys as well as secondary data, is thereafter used to perform input-output analysis on the basis of which the impact of different types of sectoral development are simulated. Results show that jobs can be created through expansion of area under citrus. In addition, more income to farm workers translates into higher income into the local retail sector. However, labour-saving technology could lead to job losses in both citrus and agroprocessing sectors.
- Full Text:
- Date Issued: 2019
- Authors: Smith, Siphelele Ricardo
- Date: 2019
- Language: English
- Type: Thesis , Masters , M Agric (Agric Extension)
- Identifier: http://hdl.handle.net/10353/18861 , vital:42878
- Description: Neither the South African government, nor organised agriculture, nor the research community, has an accurate understanding of the role that the citrus sub-sector plays in the local economy of the main producing areas. There are in fact few studies in South Africa on the linkages between agriculture and other economic sectors at the local level. Through understanding the backward and forward linkages in the citrus sub-sector in Sundays River Valley, one of South Africa’s main citrus areas, it is possible to obtain a better understanding of how investment and expenditure in this sub-sector might influence other related subsectors. The main objective of the study is to assess and understand the citrus industry's contribution to the local economy of Sundays River Valley Local Municipality. This is done through the estimation of an input-output table which differentiates local from non-local economic linkages, and which also, given the labour intensity of the citrus subsector, is closed with respect to households, i.e. households are treated as an endogenous sector with interrelationships with the other sectors captured. The other sectors captured include agroprocessing, utilities, transport and retail. The input-out table, which is estimated based on primary surveys as well as secondary data, is thereafter used to perform input-output analysis on the basis of which the impact of different types of sectoral development are simulated. Results show that jobs can be created through expansion of area under citrus. In addition, more income to farm workers translates into higher income into the local retail sector. However, labour-saving technology could lead to job losses in both citrus and agroprocessing sectors.
- Full Text:
- Date Issued: 2019
Customary marriage and family practices that discriminate against amaXhosa women: a critical study of selected isixhosa literary text
- Authors: Mbatyoti, Pheliwe Yvonne
- Date: 2019
- Subjects: Forced marriage -- South Africa -- Eastern Cape Customary law -- South Africa Xhosa (African people) -- Social life and customs
- Language: English
- Type: Thesis , Doctoral , D Litt et Phil (African Studies)
- Identifier: http://hdl.handle.net/10353/10736 , vital:35731
- Description: In many parts of Africa, the cultural practices and customs that were in use over the ages are still largely in place today. Many of these practices discriminate against individuals and compromise their human rights, particularly the rights of African women. The aim of this investigation is to study customary marital practices among the amaXhosa in order to establish their effect on modern amaXhosa society. In addition, this includes other discriminatory practices, such as the diminished status of wedded women. Within the study, the social status of women before and after 1994 is dealt with as depicted in the selected texts. The study further determines the current social status of married women under the current dispensation and finds out whether the rights of married women are sufficiently recognised in the texts under discussion. It is clear therefore that whilst Africa has made good progress on the political front, the same cannot be said for some of the cultural values that are still adhered to in the present age. This applies in particular to the rights of women in an African society. Globally, women and girls suffer the harmful and life-threatening effects of discriminatory traditional and cultural practices that continue under the guise of social, cultural and religious ceremonies. In the democratic South Africa, there is growing concern and awareness that some cultural practices are harmful to women and girls. The study analyses a number of texts namely, novels and drama, that were published before and after the 1994 era in South Africa with aims and objectives being outlined in Chapter 1. Chapter 2 is devoted to the theoretical framework, which includes the general theory pertaining to the status of women, feminism and human rights. Secondly, it deals with African theory pertaining to the status of African women as well as their rights; finally, it reflects on the role of women in societies where traditional marriage custom is still in use. Chapter 3 analyses the depiction of customary marriage as a theme in isiXhosa prose before and after 1994. Chapter 4 examines the depiction of customary marriage in v isiXhosa drama before and after 1994 and focuses more on human rights elements. Chapter 5 summarises the arguments distilled from the analysed works. The researcher came to the conclusion that the practice of forced marriage does not occur in amaXhosa society only but it is also found on a wider scale on the rest of the African continent and beyond. The study was concluded with a set of recommendations that were made to combat the scourge of anti-feminism that is found in modern society.
- Full Text:
- Date Issued: 2019
- Authors: Mbatyoti, Pheliwe Yvonne
- Date: 2019
- Subjects: Forced marriage -- South Africa -- Eastern Cape Customary law -- South Africa Xhosa (African people) -- Social life and customs
- Language: English
- Type: Thesis , Doctoral , D Litt et Phil (African Studies)
- Identifier: http://hdl.handle.net/10353/10736 , vital:35731
- Description: In many parts of Africa, the cultural practices and customs that were in use over the ages are still largely in place today. Many of these practices discriminate against individuals and compromise their human rights, particularly the rights of African women. The aim of this investigation is to study customary marital practices among the amaXhosa in order to establish their effect on modern amaXhosa society. In addition, this includes other discriminatory practices, such as the diminished status of wedded women. Within the study, the social status of women before and after 1994 is dealt with as depicted in the selected texts. The study further determines the current social status of married women under the current dispensation and finds out whether the rights of married women are sufficiently recognised in the texts under discussion. It is clear therefore that whilst Africa has made good progress on the political front, the same cannot be said for some of the cultural values that are still adhered to in the present age. This applies in particular to the rights of women in an African society. Globally, women and girls suffer the harmful and life-threatening effects of discriminatory traditional and cultural practices that continue under the guise of social, cultural and religious ceremonies. In the democratic South Africa, there is growing concern and awareness that some cultural practices are harmful to women and girls. The study analyses a number of texts namely, novels and drama, that were published before and after the 1994 era in South Africa with aims and objectives being outlined in Chapter 1. Chapter 2 is devoted to the theoretical framework, which includes the general theory pertaining to the status of women, feminism and human rights. Secondly, it deals with African theory pertaining to the status of African women as well as their rights; finally, it reflects on the role of women in societies where traditional marriage custom is still in use. Chapter 3 analyses the depiction of customary marriage as a theme in isiXhosa prose before and after 1994. Chapter 4 examines the depiction of customary marriage in v isiXhosa drama before and after 1994 and focuses more on human rights elements. Chapter 5 summarises the arguments distilled from the analysed works. The researcher came to the conclusion that the practice of forced marriage does not occur in amaXhosa society only but it is also found on a wider scale on the rest of the African continent and beyond. The study was concluded with a set of recommendations that were made to combat the scourge of anti-feminism that is found in modern society.
- Full Text:
- Date Issued: 2019
A systematic review on contributing factors leading to prison (Correctional Service) escapes.
- Authors: Nunze, Ncediswa
- Date: 2019
- Subjects: Prisoners -- South Africa Escapes -- South Africa
- Language: English
- Type: Thesis , Masters , MSoc. Sci (Criminology)
- Identifier: http://hdl.handle.net/10353/16506 , vital:40726
- Description: The study presents a systematic literature on contributing factors leading to prison escape. The purpose of this study is to systematically review the contributing factors that are associated with escape from correctional centre. Objectives of the study: To investigate the impact of social and cultural dynamics and triggers that motivates inmates to escape from correctional centre e.g. the internal factors and the external factors and to establish prevention strategies to deal with escapes. Method: Secondary data was employed in the study. The researcher collected the data using qualitative approach from different sources, including newspaper, prison journals, articles and the data that was originally collected for other research purposes on prison escape, both internationally and nationally. Specific data within the studies and articles is used to determine the contributing factors leading to prison escape. Data was analysed using thematic analysis. Findings: External factors such as: (family problems, missing family, the external environment and contact with the external environment, residency, loss loved ones, loss of liberty and lack of stimulation and loss of control), and internal factors such as: structural factors (e.g., crowding and size of prison, transfers, loss of security); management practices (e.g., management style, staff culture, inadequate institutional management); and environmental influences (e.g., alcohol and drug abuse, institutional crisis situations, parole problems, institutional misconduct and punishment, institutional programs, violence in prison (vulnerability to violence and gang related), limitation of goods and services, limitation of autonomy, sexual deprivation, inadequate facilities, unnatural environmental conditions are contributing factors leading to prison escapes. Conclusion: The more closely the conditions of imprisonment approximate those normally seen outside, the better the inmates can learn to survive without resorting to criminal. This allows them to also learn the ways that will help them survive outside the correctional centre and function as normal citizens. More opportunities must be created for inmates to pursue a meaningful life in prison and the existing programmes should be continuously checked if they are being practised properly. Encourage inmates to keep contact with relatives and mends so that they do not lose contact with the outside world. Correctional staff and administrators pay close attention to the policies and practices for circumstances in which violence is likely to occur, such as during inmate transport.
- Full Text:
- Date Issued: 2019
- Authors: Nunze, Ncediswa
- Date: 2019
- Subjects: Prisoners -- South Africa Escapes -- South Africa
- Language: English
- Type: Thesis , Masters , MSoc. Sci (Criminology)
- Identifier: http://hdl.handle.net/10353/16506 , vital:40726
- Description: The study presents a systematic literature on contributing factors leading to prison escape. The purpose of this study is to systematically review the contributing factors that are associated with escape from correctional centre. Objectives of the study: To investigate the impact of social and cultural dynamics and triggers that motivates inmates to escape from correctional centre e.g. the internal factors and the external factors and to establish prevention strategies to deal with escapes. Method: Secondary data was employed in the study. The researcher collected the data using qualitative approach from different sources, including newspaper, prison journals, articles and the data that was originally collected for other research purposes on prison escape, both internationally and nationally. Specific data within the studies and articles is used to determine the contributing factors leading to prison escape. Data was analysed using thematic analysis. Findings: External factors such as: (family problems, missing family, the external environment and contact with the external environment, residency, loss loved ones, loss of liberty and lack of stimulation and loss of control), and internal factors such as: structural factors (e.g., crowding and size of prison, transfers, loss of security); management practices (e.g., management style, staff culture, inadequate institutional management); and environmental influences (e.g., alcohol and drug abuse, institutional crisis situations, parole problems, institutional misconduct and punishment, institutional programs, violence in prison (vulnerability to violence and gang related), limitation of goods and services, limitation of autonomy, sexual deprivation, inadequate facilities, unnatural environmental conditions are contributing factors leading to prison escapes. Conclusion: The more closely the conditions of imprisonment approximate those normally seen outside, the better the inmates can learn to survive without resorting to criminal. This allows them to also learn the ways that will help them survive outside the correctional centre and function as normal citizens. More opportunities must be created for inmates to pursue a meaningful life in prison and the existing programmes should be continuously checked if they are being practised properly. Encourage inmates to keep contact with relatives and mends so that they do not lose contact with the outside world. Correctional staff and administrators pay close attention to the policies and practices for circumstances in which violence is likely to occur, such as during inmate transport.
- Full Text:
- Date Issued: 2019
Evaluation of groundwater potential based on hybrid approach of geology, geophysics, and geoinformatics: Case study of Buffalo Catchment area, Eastern Cape, South Africa
- Authors: Owolabi,Solomon T
- Date: 2019
- Subjects: Hydrogeology Geology
- Language: English
- Type: Thesis , Doctoral , PhD (Geology)
- Identifier: http://hdl.handle.net/10353/12238 , vital:39218
- Description: This study focuses on the feasibility of exploring potential groundwater zones through assessment of catchment geo-hydrodynamic processes, using hydro-statistic principles and geographic information system-based approaches. The research work integrated analysis of hydrologic variables, geologic structures, and geomorpho-tectonic processes that provide information on spatial variability of hydrologic units in a watershed. The study is aimed at improving conceptual knowledge and presenting the technical feasibility of exploring potential groundwater zones through geo-hydrodynamic perspectives in hydrogeologically challenged environments. The study adopted a case design approach at the Buffalo hydrologic basin headwater in Eastern Cape, South Africa. The methods used in this study include: field mapping of geologic units and structures, digital processing of aeromagnetic map, cross-section profiling of borehole logs, auto-extraction of lineament, streamflow variability and recession assessment, geomorpho-tectonic analysis of surficial drainage pattern, vertical electrical sounding for imaging shallow subsurface layers, and geospatial integration of thematic maps of groundwater multi-influencing factors. The results indicate that the hydrogeological settings of Buffalo watershed comprised of good, moderate, fair, poor and very poor groundwater potential zones which cover 187 km2 , 338 km2 , 406 km2 , 185 km2 , and 121 km2 respectively. The results report that the groundwater system of Buffalo watershed is mainly hosted by the well-drained fractured dolerite and the shallow unconfined sandstone aquifer. The aquifer is bounded by two parallel impermeable valley walls in the north and south. Also, the Buffalo drainage system constitutes a variable head boundary as a groundwater discharge zone. The groundwater discharge which mostly occurs at the Tshoxa upper course, Mgqakwebe, Quencwe, Yellowwoods upper course and the Buffalo River center influence the status of the Buffalo River as a perennial river system. vi The groundwater recharge occurs through the networks of surficial lineaments and fractures concentrated on the sandstone lithosome, mostly in the northern half of the watershed. The surficial tectonic features trend in a WNW-ESE and E-W direction. The groundwater flow system is controlled by the subsurface lineaments which are oriented in west-northwest – eastsoutheast direction. Most of the groundwater recharge is driven by rain which is extreme at the north. The hydro-climatic pattern of the region influences the dendritic drainage system of Buffalo watershed. The geologic characterization and geomorpho-tectonic analysis indicate that the geologic settings are made up of upward-fining lithologic material and siliciclastic materials that were deposited as fill in paleochannels by braided and meandering fluvial systems. The variability in dissection property and the fluvial system indicates that Buffalo hydrologic and geomorphic systems are heterogeneous and complex. The possible impact of these variabilities aligns with the report of geoelectric sections which revealed the heterogeneity of the aquifer intrinsic properties and variability in groundwater yield. The electric resistivity tomography revealed the existence of a fault system and variation in the thickness of the aquifer. Hydrologic characterization indicates the vulnerability status of the rivers within the watershed. In particular, the Ngqokweni River is vulnerable to diminution while Quencwe River has the potential for a flash flood. Buffalo station is an important surface water capture zone. Delineation of groundwater potential zone should incorporate geologic, hydrologic, geophysical, geomorphotectonic, and environmental perspectives due to the inherent relationship among influencing factors. The study therefore identifies groundwater capture zones which can be further explored for groundwater development and to mitigate the stake of water shortage. The study therefore recommends the approach here to the department of water affairs for adoption to map the zones of groundwater potential at a regional scale. The study also provides resourceful information on vii groundwater recharge zones and therefore recommends that the environment and water stakeholders work together to protect the recharge zones from groundwater contamination due to land use
- Full Text:
- Date Issued: 2019
- Authors: Owolabi,Solomon T
- Date: 2019
- Subjects: Hydrogeology Geology
- Language: English
- Type: Thesis , Doctoral , PhD (Geology)
- Identifier: http://hdl.handle.net/10353/12238 , vital:39218
- Description: This study focuses on the feasibility of exploring potential groundwater zones through assessment of catchment geo-hydrodynamic processes, using hydro-statistic principles and geographic information system-based approaches. The research work integrated analysis of hydrologic variables, geologic structures, and geomorpho-tectonic processes that provide information on spatial variability of hydrologic units in a watershed. The study is aimed at improving conceptual knowledge and presenting the technical feasibility of exploring potential groundwater zones through geo-hydrodynamic perspectives in hydrogeologically challenged environments. The study adopted a case design approach at the Buffalo hydrologic basin headwater in Eastern Cape, South Africa. The methods used in this study include: field mapping of geologic units and structures, digital processing of aeromagnetic map, cross-section profiling of borehole logs, auto-extraction of lineament, streamflow variability and recession assessment, geomorpho-tectonic analysis of surficial drainage pattern, vertical electrical sounding for imaging shallow subsurface layers, and geospatial integration of thematic maps of groundwater multi-influencing factors. The results indicate that the hydrogeological settings of Buffalo watershed comprised of good, moderate, fair, poor and very poor groundwater potential zones which cover 187 km2 , 338 km2 , 406 km2 , 185 km2 , and 121 km2 respectively. The results report that the groundwater system of Buffalo watershed is mainly hosted by the well-drained fractured dolerite and the shallow unconfined sandstone aquifer. The aquifer is bounded by two parallel impermeable valley walls in the north and south. Also, the Buffalo drainage system constitutes a variable head boundary as a groundwater discharge zone. The groundwater discharge which mostly occurs at the Tshoxa upper course, Mgqakwebe, Quencwe, Yellowwoods upper course and the Buffalo River center influence the status of the Buffalo River as a perennial river system. vi The groundwater recharge occurs through the networks of surficial lineaments and fractures concentrated on the sandstone lithosome, mostly in the northern half of the watershed. The surficial tectonic features trend in a WNW-ESE and E-W direction. The groundwater flow system is controlled by the subsurface lineaments which are oriented in west-northwest – eastsoutheast direction. Most of the groundwater recharge is driven by rain which is extreme at the north. The hydro-climatic pattern of the region influences the dendritic drainage system of Buffalo watershed. The geologic characterization and geomorpho-tectonic analysis indicate that the geologic settings are made up of upward-fining lithologic material and siliciclastic materials that were deposited as fill in paleochannels by braided and meandering fluvial systems. The variability in dissection property and the fluvial system indicates that Buffalo hydrologic and geomorphic systems are heterogeneous and complex. The possible impact of these variabilities aligns with the report of geoelectric sections which revealed the heterogeneity of the aquifer intrinsic properties and variability in groundwater yield. The electric resistivity tomography revealed the existence of a fault system and variation in the thickness of the aquifer. Hydrologic characterization indicates the vulnerability status of the rivers within the watershed. In particular, the Ngqokweni River is vulnerable to diminution while Quencwe River has the potential for a flash flood. Buffalo station is an important surface water capture zone. Delineation of groundwater potential zone should incorporate geologic, hydrologic, geophysical, geomorphotectonic, and environmental perspectives due to the inherent relationship among influencing factors. The study therefore identifies groundwater capture zones which can be further explored for groundwater development and to mitigate the stake of water shortage. The study therefore recommends the approach here to the department of water affairs for adoption to map the zones of groundwater potential at a regional scale. The study also provides resourceful information on vii groundwater recharge zones and therefore recommends that the environment and water stakeholders work together to protect the recharge zones from groundwater contamination due to land use
- Full Text:
- Date Issued: 2019
An investigation of the effetiveness of correctional centre-based vocational training programmes towards reducing recidivism
- Authors: Mangesi, Nosipho
- Date: 2019
- Subjects: Recidivism Social justice
- Language: English
- Type: Thesis , Masters , MSoc (Criminology)
- Identifier: http://hdl.handle.net/10353/16408 , vital:40717
- Description: Since the Department of Correctional Services has been transformed into an institution of rehabilitation and skills development, there is a need for a sound classification system whereby offenders are classified according to their potential for treatment and training programmes that match their risk/needs. The study was conducted in Middledrift Correctional Centre in the Eastern Cape with the aim of examining the effectiveness of correctionally based vocational training programmes towards reducing recidivism. Research towards correctional programmes was necessitated by the extant of recidivism in South Africa. The question is where does the problem lie because offenders are provided with rehabilitation programmes to make them law abiding citizens and reintegrate well into the community up on release but, in many cases it does not become possible as many ex-offenders return to custody either for new offence or parole violation. The study used qualitative design in data collection and in explaining the results. A sample of sixteen recidivists and five correctional officials formed participants for the study selecting using purposive sampling procedures. Involvement in vocational programmes was used as a criteria for selectiong of correctional officials as participants. In-depth interviews were conducted with eight recidivists and all five correctional officials and a focus group interview was held with the other eight set of recidivists. The study examined the impact of vocational programmes on recidivism followed by the factors that hinder effective offender rehabilitation and factors that influence recidivism up on release. The findings of this study were analysed using thematic analysis with the assistance of a voice recorder as a back up for collected data. Findings revealed that a small number of recidivists attend vocational training programmes and these programmes vi (vocational) are short in the centre together with programme facilitators at the time of reporting. Offenders stated that the available vocational programmes are of no interest to them. Participantas stated that vocational training does assist in desisting criminal activities up on release as it provide skills and opportunities for employment to curb unemployment as indicated as a major factor influencing recidivism. Findings also revealed that periodic re-assesment is not adequately conducted and classification for vocational training is not likely to be sufficiently done according to offender risk/needs. The study recommends that, a large number of offenders be provided with vocational training programmes and that offender classification incorporate the principles of RNR model
- Full Text:
- Date Issued: 2019
- Authors: Mangesi, Nosipho
- Date: 2019
- Subjects: Recidivism Social justice
- Language: English
- Type: Thesis , Masters , MSoc (Criminology)
- Identifier: http://hdl.handle.net/10353/16408 , vital:40717
- Description: Since the Department of Correctional Services has been transformed into an institution of rehabilitation and skills development, there is a need for a sound classification system whereby offenders are classified according to their potential for treatment and training programmes that match their risk/needs. The study was conducted in Middledrift Correctional Centre in the Eastern Cape with the aim of examining the effectiveness of correctionally based vocational training programmes towards reducing recidivism. Research towards correctional programmes was necessitated by the extant of recidivism in South Africa. The question is where does the problem lie because offenders are provided with rehabilitation programmes to make them law abiding citizens and reintegrate well into the community up on release but, in many cases it does not become possible as many ex-offenders return to custody either for new offence or parole violation. The study used qualitative design in data collection and in explaining the results. A sample of sixteen recidivists and five correctional officials formed participants for the study selecting using purposive sampling procedures. Involvement in vocational programmes was used as a criteria for selectiong of correctional officials as participants. In-depth interviews were conducted with eight recidivists and all five correctional officials and a focus group interview was held with the other eight set of recidivists. The study examined the impact of vocational programmes on recidivism followed by the factors that hinder effective offender rehabilitation and factors that influence recidivism up on release. The findings of this study were analysed using thematic analysis with the assistance of a voice recorder as a back up for collected data. Findings revealed that a small number of recidivists attend vocational training programmes and these programmes vi (vocational) are short in the centre together with programme facilitators at the time of reporting. Offenders stated that the available vocational programmes are of no interest to them. Participantas stated that vocational training does assist in desisting criminal activities up on release as it provide skills and opportunities for employment to curb unemployment as indicated as a major factor influencing recidivism. Findings also revealed that periodic re-assesment is not adequately conducted and classification for vocational training is not likely to be sufficiently done according to offender risk/needs. The study recommends that, a large number of offenders be provided with vocational training programmes and that offender classification incorporate the principles of RNR model
- Full Text:
- Date Issued: 2019
Political education as a determinant of university students’ political participation in the Eastern Cape, South Africa
- Authors: Badaru, Kazeem Ajasa
- Date: 2019
- Subjects: Citizenship -- Study and teaching -- South Africa Democracy and education -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Doctoral , DPhil
- Identifier: http://hdl.handle.net/10353/15793 , vital:40524
- Description: Globally, there is a downward trend in youths’ political interest and participation in the learning of political education in their school curricula as a measure to combat the apparent dangers posed by the declining young citizens’ participation in the political processes.This study therefore investigated political education as a determinant of university students’ political participation in the Province of the Eastern Cape, South Africa. The study employed a mixed methods design. Using the probability sampling technique, a sample of 375 participants was randomly selected from one university in the Eastern Cape Province while semi-structured interviews were conducted among five (5) purposively selected members of the same university’s Student Representative Council (SRC) executive committee. Simple descriptive statistics such as frequency counts and percentages were used to summarize all categories of variables; while Pearson correlation statistics, Chi-square and Ordinary least square regression were used to examine the relationship between dependent and independent variables at a 95percent confidence interval. Alpha values less than 0.05 were considered to be statistically significant. Thematic content analysis was performed on the qualitative data. The quantitative analysis revealed that students’ level of political awareness was high; 98.1percent of them were aware of their rights to vote and be voted for. Students’ political judgment was positively correlated with participation in campus (r =0.182) and national politics (r = 0.030) respectively. Most of the students agreed to take part in the 2018 SRC (78.8percent) and 2019 national elections (77.9percent) respectively. Political interest was significantly correlated with participation in campus (r = 0.375) and national politics (r =0. 404). The findings from the multivariate analysis showed that political interest (<0.001), parents’ political involvement (<0.001) and year of study (<0.001) were the significant determinants of students’ participation in politics. The qualitative findings also showed that there was a positive relationship between political education and students’ participation in politics. Since political interest and family are element and agent of political education respectively, it is concluded that political education is to a large extent a determinant of university students’ political participation. It is recommended that the universities, the Department of Higher Education and Training (DHET) and other stakeholders should do a thorough review of the university education curricula and programmes to ensure that political education is adequately accommodated and taken care of in a way that would increase students’ interest, awareness and participation in politics. When this is amply done, students’ cognitive skills and capacities would be enhanced to increase their participation in the political processes in South Africa.
- Full Text:
- Date Issued: 2019
- Authors: Badaru, Kazeem Ajasa
- Date: 2019
- Subjects: Citizenship -- Study and teaching -- South Africa Democracy and education -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Doctoral , DPhil
- Identifier: http://hdl.handle.net/10353/15793 , vital:40524
- Description: Globally, there is a downward trend in youths’ political interest and participation in the learning of political education in their school curricula as a measure to combat the apparent dangers posed by the declining young citizens’ participation in the political processes.This study therefore investigated political education as a determinant of university students’ political participation in the Province of the Eastern Cape, South Africa. The study employed a mixed methods design. Using the probability sampling technique, a sample of 375 participants was randomly selected from one university in the Eastern Cape Province while semi-structured interviews were conducted among five (5) purposively selected members of the same university’s Student Representative Council (SRC) executive committee. Simple descriptive statistics such as frequency counts and percentages were used to summarize all categories of variables; while Pearson correlation statistics, Chi-square and Ordinary least square regression were used to examine the relationship between dependent and independent variables at a 95percent confidence interval. Alpha values less than 0.05 were considered to be statistically significant. Thematic content analysis was performed on the qualitative data. The quantitative analysis revealed that students’ level of political awareness was high; 98.1percent of them were aware of their rights to vote and be voted for. Students’ political judgment was positively correlated with participation in campus (r =0.182) and national politics (r = 0.030) respectively. Most of the students agreed to take part in the 2018 SRC (78.8percent) and 2019 national elections (77.9percent) respectively. Political interest was significantly correlated with participation in campus (r = 0.375) and national politics (r =0. 404). The findings from the multivariate analysis showed that political interest (<0.001), parents’ political involvement (<0.001) and year of study (<0.001) were the significant determinants of students’ participation in politics. The qualitative findings also showed that there was a positive relationship between political education and students’ participation in politics. Since political interest and family are element and agent of political education respectively, it is concluded that political education is to a large extent a determinant of university students’ political participation. It is recommended that the universities, the Department of Higher Education and Training (DHET) and other stakeholders should do a thorough review of the university education curricula and programmes to ensure that political education is adequately accommodated and taken care of in a way that would increase students’ interest, awareness and participation in politics. When this is amply done, students’ cognitive skills and capacities would be enhanced to increase their participation in the political processes in South Africa.
- Full Text:
- Date Issued: 2019
Distribution of virulence determinants in some members of the ESKAPE pathogens isolated from selected hospital wastewater effluents in the Eastern Cape, South Africa
- Authors: Mapipa, Qaqamba
- Date: 2019
- Subjects: Effluent quality Water -- Purification
- Language: English
- Type: Thesis , Masters , MSc (Microbiology)
- Identifier: http://hdl.handle.net/10353/14704 , vital:40061
- Description: Members of ESKAPE pathogens are grouped under the acronymn made up of Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species. ESKAPE pathogens, isolated from hospitals and communities, have just been characterized for new pathogenesis and transmission patterns and overcoming the usefulness of available drugs, this leads to infections that tend to increase the rate of disease in a population and death rate and cost our society massively. The distribution of virulence determinants and the antibiotic susceptibility patterns in some members of the ESKAPE pathogens isolated from hospital wastewater facilities that were selected within the Eastern Cape Province, South Africa was evaluated. Water samples from the hospital wastewater facilities were collected fortnightly over a period of three (3) months (February to April). Spread plate technique was employed for the enumeration and isolation of the members of ESKAPE pathogens. A total of 725 presumptive ESKAPE isolates were collected, screened and Polymerase Chain Reaction (PCR) amplification of target determinants was performed. Results showed that Klebsiella pneumoniae tested positive for ninety two (92=35.9%) samples, Enterobacter cloacae fifty seven (57=22.2%) samples tested positive, Pseudomonas aeruginosa fifty four (54=21.09%) isolates tested positive and fifty three (53=20.7%) isolates tested positive for Acinetobacter baumannii making a total of 256 isolates which tested positive for some members of ESKAPE pathogens. The detection of some members of the ESKAPE pathogens in these Hospitals is a cause of concern to public health. A total of 256 ESKAPE isolates that were obtained from the hospital wastewater facilities; were subjected to antibiotic susceptibility test in order to determine their antibiotic-resistant profiles. ESKAPE isolates recovered from the three hospital effluents showing resistance to antimicrobial agents in this study were further evaluated for resistance determinants namely, sulfonamides resistance determinants (sulI and sulII), β-lactams (ampC, blaTEM and blaZ), tetracyclines (tetA, tetB, tetC and tetM), 10 chloramphenicol’s (catI and catII) and aminoglycoside resistance determinants (aacC2, apHAI and apHAII). The resistant determinants targeted have been evaluated through their prevalence and the following distributions were obtained: [β-Lactams; ampC (80%), blaTEM (77%)]; [Tetracyclines; tetA (87%)]; [Sulfonamides; sulI (79%)]; [Aminoglycosides; aacC2 (12%), aphA2 (52%) and aadA (18%)]. With the worldwide increase in these resistant occurrences, the execution of strict infection control policies and treatment with different antimicrobials needs hasty detection. Comprehensive data are therefore needed so that the history of infection, identification of genes present in organisms and monitoring of changes in infection patterns can be traced correctly.
- Full Text:
- Date Issued: 2019
- Authors: Mapipa, Qaqamba
- Date: 2019
- Subjects: Effluent quality Water -- Purification
- Language: English
- Type: Thesis , Masters , MSc (Microbiology)
- Identifier: http://hdl.handle.net/10353/14704 , vital:40061
- Description: Members of ESKAPE pathogens are grouped under the acronymn made up of Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species. ESKAPE pathogens, isolated from hospitals and communities, have just been characterized for new pathogenesis and transmission patterns and overcoming the usefulness of available drugs, this leads to infections that tend to increase the rate of disease in a population and death rate and cost our society massively. The distribution of virulence determinants and the antibiotic susceptibility patterns in some members of the ESKAPE pathogens isolated from hospital wastewater facilities that were selected within the Eastern Cape Province, South Africa was evaluated. Water samples from the hospital wastewater facilities were collected fortnightly over a period of three (3) months (February to April). Spread plate technique was employed for the enumeration and isolation of the members of ESKAPE pathogens. A total of 725 presumptive ESKAPE isolates were collected, screened and Polymerase Chain Reaction (PCR) amplification of target determinants was performed. Results showed that Klebsiella pneumoniae tested positive for ninety two (92=35.9%) samples, Enterobacter cloacae fifty seven (57=22.2%) samples tested positive, Pseudomonas aeruginosa fifty four (54=21.09%) isolates tested positive and fifty three (53=20.7%) isolates tested positive for Acinetobacter baumannii making a total of 256 isolates which tested positive for some members of ESKAPE pathogens. The detection of some members of the ESKAPE pathogens in these Hospitals is a cause of concern to public health. A total of 256 ESKAPE isolates that were obtained from the hospital wastewater facilities; were subjected to antibiotic susceptibility test in order to determine their antibiotic-resistant profiles. ESKAPE isolates recovered from the three hospital effluents showing resistance to antimicrobial agents in this study were further evaluated for resistance determinants namely, sulfonamides resistance determinants (sulI and sulII), β-lactams (ampC, blaTEM and blaZ), tetracyclines (tetA, tetB, tetC and tetM), 10 chloramphenicol’s (catI and catII) and aminoglycoside resistance determinants (aacC2, apHAI and apHAII). The resistant determinants targeted have been evaluated through their prevalence and the following distributions were obtained: [β-Lactams; ampC (80%), blaTEM (77%)]; [Tetracyclines; tetA (87%)]; [Sulfonamides; sulI (79%)]; [Aminoglycosides; aacC2 (12%), aphA2 (52%) and aadA (18%)]. With the worldwide increase in these resistant occurrences, the execution of strict infection control policies and treatment with different antimicrobials needs hasty detection. Comprehensive data are therefore needed so that the history of infection, identification of genes present in organisms and monitoring of changes in infection patterns can be traced correctly.
- Full Text:
- Date Issued: 2019
An assessment of school food and nutrition environments for strengthening the integrated school health policy in the Eastern Cape, South Africa
- Authors: Okeyo, Alice Phelgona
- Date: 2019
- Subjects: Nutrition policy -- South Africa -- Eastern Cape School health services -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Doctoral , DPhil
- Identifier: http://hdl.handle.net/10353/17039 , vital:40836
- Description: The 2012 Integrated School Health Policy (ISHP) offers a framework for adequate school food environment. It aims to contribute to the improvement of the general health of school-going children and to address health barriers to learning in order to improve education outcomes. This study assessed the school food and nutrition environment and critically appraised the position of nutrition within ISHP in order to make recommendations for best practice and promotion of healthy-eating in quintiles 1 – 3 secondary school learners of the Eastern Cape, South Africa. Areas evaluated included the school food environment (National School Food Nutrition Programme, NSNP, tuck-shop, vendor, lunch box, and school vegetable garden); eating practice; nutrition knowledge; and nutrition status. A quantitative and qualitative cross-sectional design was applied in data collection. Data was collected from 1,357 learners at 18 secondary schools in three districts: Buffalo City Metropolitan Municipality, Chris Hani and OR Tambo, using semi-structured questionnaires. Five major food items provided in the school food and nutrition environment included: beans, pap, sour-milk, rice, and samp (maize) (NSNP); chips, sandwich, pap, biscuits, and cake (tuck-shop); chips, sandwich, pap, cake, and pop-corn (vendor); and samp (maize), noodles, fat-cake, chips, and Russian/Viennas (lunch boxes). Only three of the 16 schools had school vegetable gardens which produced vegetables and no fruits. Five most frequently eaten foods for breakfast were porridge, rusks, stiff-pap, bread-with-spread, eggs, and polony. Learners from quintile 3 (60.8percent) significantly ate more cooked porridge than learners from quintiles 1 and 2 (51.9percent) (p = 0.015). Leaners from quintile 3 (59.4percent) significantly ate more brown bread-with-spread than learners from quintiles 1 and 2 (50.4) (p = 0.022). The majority of learners (72.7percent) ate breakfast; more male learners (24.4percent) than female learners (29.1percent) skipped breakfast. The majority (62.2percent) of learners had poor nutritional knowledge; significantly, more male (35percent) than female (27percent) learners had poor nutritional knowledge (p = 0.003). Nutritional knowledge increased with age; significantly more grade 8 learners had poor (42.6percent) nutritional knowledge than grade 12 learners (14.1percent) (p < 0.001). Leaners from quintile 3 had good (23.5percent) nutritional knowledge than learners from quintiles 1 and 2 (15.7percent) (p < 0.001). School lessons, books and television were the most important source for nutritional information to learners. The most significant source was lessons (72.0percent; p < 0.001); followed by television (69.4percent; p < 0.001) and books (67.8percent; p = 0.014), in that ranking order. The majority of learners (64percent) had normal body weight. The prevalence of underweight, overweight and obesity was 13.0percent, 15.0percent and 8.0percent, respectively. The prevalence of overweight and obesity was higher in females than males (21.3percent vs 5.3percent; overweight; p < 0.001)) and (11.6percent vs 1.2percent; obesity; p < 0.001), respectively; while the prevalence in terms of underweight was significantly higher in male (21.3percent) learners than in female learners (8.1percent); p < 0.001. The study indicated that the school food environment was not supported by ISHP. The Integrated School Health Policy did not include on-site package for nutritional assessment, thus, there is need to offer nutritional interventions in schools.
- Full Text:
- Date Issued: 2019
- Authors: Okeyo, Alice Phelgona
- Date: 2019
- Subjects: Nutrition policy -- South Africa -- Eastern Cape School health services -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Doctoral , DPhil
- Identifier: http://hdl.handle.net/10353/17039 , vital:40836
- Description: The 2012 Integrated School Health Policy (ISHP) offers a framework for adequate school food environment. It aims to contribute to the improvement of the general health of school-going children and to address health barriers to learning in order to improve education outcomes. This study assessed the school food and nutrition environment and critically appraised the position of nutrition within ISHP in order to make recommendations for best practice and promotion of healthy-eating in quintiles 1 – 3 secondary school learners of the Eastern Cape, South Africa. Areas evaluated included the school food environment (National School Food Nutrition Programme, NSNP, tuck-shop, vendor, lunch box, and school vegetable garden); eating practice; nutrition knowledge; and nutrition status. A quantitative and qualitative cross-sectional design was applied in data collection. Data was collected from 1,357 learners at 18 secondary schools in three districts: Buffalo City Metropolitan Municipality, Chris Hani and OR Tambo, using semi-structured questionnaires. Five major food items provided in the school food and nutrition environment included: beans, pap, sour-milk, rice, and samp (maize) (NSNP); chips, sandwich, pap, biscuits, and cake (tuck-shop); chips, sandwich, pap, cake, and pop-corn (vendor); and samp (maize), noodles, fat-cake, chips, and Russian/Viennas (lunch boxes). Only three of the 16 schools had school vegetable gardens which produced vegetables and no fruits. Five most frequently eaten foods for breakfast were porridge, rusks, stiff-pap, bread-with-spread, eggs, and polony. Learners from quintile 3 (60.8percent) significantly ate more cooked porridge than learners from quintiles 1 and 2 (51.9percent) (p = 0.015). Leaners from quintile 3 (59.4percent) significantly ate more brown bread-with-spread than learners from quintiles 1 and 2 (50.4) (p = 0.022). The majority of learners (72.7percent) ate breakfast; more male learners (24.4percent) than female learners (29.1percent) skipped breakfast. The majority (62.2percent) of learners had poor nutritional knowledge; significantly, more male (35percent) than female (27percent) learners had poor nutritional knowledge (p = 0.003). Nutritional knowledge increased with age; significantly more grade 8 learners had poor (42.6percent) nutritional knowledge than grade 12 learners (14.1percent) (p < 0.001). Leaners from quintile 3 had good (23.5percent) nutritional knowledge than learners from quintiles 1 and 2 (15.7percent) (p < 0.001). School lessons, books and television were the most important source for nutritional information to learners. The most significant source was lessons (72.0percent; p < 0.001); followed by television (69.4percent; p < 0.001) and books (67.8percent; p = 0.014), in that ranking order. The majority of learners (64percent) had normal body weight. The prevalence of underweight, overweight and obesity was 13.0percent, 15.0percent and 8.0percent, respectively. The prevalence of overweight and obesity was higher in females than males (21.3percent vs 5.3percent; overweight; p < 0.001)) and (11.6percent vs 1.2percent; obesity; p < 0.001), respectively; while the prevalence in terms of underweight was significantly higher in male (21.3percent) learners than in female learners (8.1percent); p < 0.001. The study indicated that the school food environment was not supported by ISHP. The Integrated School Health Policy did not include on-site package for nutritional assessment, thus, there is need to offer nutritional interventions in schools.
- Full Text:
- Date Issued: 2019
An investigation of the Social and Structural basis for the emergence of social movements in Zimbabwe. A Comparative study of the Combined Harare Residents Association and Zimbabwe National Liberation War Veterans Association
- Authors: Chaitezvi, Trevour
- Date: 2019
- Subjects: Social movements
- Language: English
- Type: Thesis , Masters , MSoc. Sci (Sociology)
- Identifier: http://hdl.handle.net/10353/17564 , vital:41091
- Description: The emergence of urban social movements in the Zimbabwean context is mainly attributed to the political economic crisis, which resulted in the decline of municipal services and other socioeconomic rights central to the ordinary people. In the rural areas many scholars have alluded to the failure of the state to institute a radical transformation of the rural areas as the reason for the emergence of land movement and the subsequent land revolutions that followed in the early 2000s. Within this context, this study sought to investigate the social and structural basis for the emergence of social movements in Zimbabwe. The argument of this study hinges on the central premise of the political opportunity structure approach, which states that the emergence and success of social movements depends on certain political opportunities within the political environment. Building upon the guidance of the qualitative paradigm, whose method of investigation includes in-depth interviews and focus group discussions, the findings illustrate that the emergence of rural social movements in Zimbabwe was mainly to address the land question; such initiatives were to be done through fighting imperialism that hinges upon neo-liberal policies. In addition, one of the objectives for the emergence of rural social movements was to complete the objective of the liberation war, which was to give back the land to the indigenous black people. The tactics of the rural social movement included engaging the state and confronting it in other instances. Further, illegal land occupations were also one of the tactics of this movement. Ideologically, the movement used a Pan-African ideology to confront neo-colonization. On the other hand, the findings of the study illustrate that the emergence of urban social movements was mainly to provide a platform for the marginalized people to voice their discontent of the decline of service delivery in the urban context. Since most of these aspects were linked to the broader economic crisis facing the country, urban social movements also intended to initiate a political transition. The tactics of urban social movements included disruption, the establishment of networks with other social movements and the use of media, while constructing their ideology within the human rights framewo
- Full Text:
- Date Issued: 2019
- Authors: Chaitezvi, Trevour
- Date: 2019
- Subjects: Social movements
- Language: English
- Type: Thesis , Masters , MSoc. Sci (Sociology)
- Identifier: http://hdl.handle.net/10353/17564 , vital:41091
- Description: The emergence of urban social movements in the Zimbabwean context is mainly attributed to the political economic crisis, which resulted in the decline of municipal services and other socioeconomic rights central to the ordinary people. In the rural areas many scholars have alluded to the failure of the state to institute a radical transformation of the rural areas as the reason for the emergence of land movement and the subsequent land revolutions that followed in the early 2000s. Within this context, this study sought to investigate the social and structural basis for the emergence of social movements in Zimbabwe. The argument of this study hinges on the central premise of the political opportunity structure approach, which states that the emergence and success of social movements depends on certain political opportunities within the political environment. Building upon the guidance of the qualitative paradigm, whose method of investigation includes in-depth interviews and focus group discussions, the findings illustrate that the emergence of rural social movements in Zimbabwe was mainly to address the land question; such initiatives were to be done through fighting imperialism that hinges upon neo-liberal policies. In addition, one of the objectives for the emergence of rural social movements was to complete the objective of the liberation war, which was to give back the land to the indigenous black people. The tactics of the rural social movement included engaging the state and confronting it in other instances. Further, illegal land occupations were also one of the tactics of this movement. Ideologically, the movement used a Pan-African ideology to confront neo-colonization. On the other hand, the findings of the study illustrate that the emergence of urban social movements was mainly to provide a platform for the marginalized people to voice their discontent of the decline of service delivery in the urban context. Since most of these aspects were linked to the broader economic crisis facing the country, urban social movements also intended to initiate a political transition. The tactics of urban social movements included disruption, the establishment of networks with other social movements and the use of media, while constructing their ideology within the human rights framewo
- Full Text:
- Date Issued: 2019