A critical analysis of the policies and legislation governing learner discipline: a case study of Kei Road Combined School in King Williams Town (Eastern Cape)
- Authors: Speelman, Luleka Miranda
- Date: 2014
- Subjects: School children -- Discipline
- Language: English
- Type: Thesis , Masters , MPA
- Identifier: vital:11701 , http://hdl.handle.net/10353/d1015142 , School children -- Discipline
- Description: So many efforts have been made, both at the legislative and policy-making level to ensure that learner discipline is handled more effectively and moves away from corporal punishment, which was the norm before the enactment of the current South African Schools Act. Some of the provisions of the Act stipulates that each school is responsible for setting up its own Disciplinary Code suited to its environment and developed in conjunction with relevant stakeholders like parents and other community leaders. The Act also makes provision for the setting up of structures such as the School Governance Body (SGB) and the School Management Team (SMT). A number of scholars have provided some insights on the issue of school discipline. Several of them have reported that in their research, several schools cited the lack of learner discipline as one of the problems hampering effective teaching and learning. The study, using various literature further attempts to make the distinction between discipline and punishment, stressing that the former is a process that uses teaching, modelling, and other appropriate strategies to maintain behaviour necessary to ensure a safe, orderly and productive learning environment by changing unacceptable behaviour to acceptable behaviour. On the other hand, punishment is a facet of discipline that involves action taken in response to inappropriate behaviour in order to correct or modify it, and to restore harmonious relations. Therefore punishment is a penalty or corrective measure inflicted on a person who has transgressed at school and is guilty of misconduct. The literature also shows that there are many difficulties and problems associated with implementing the discipline policy in South African schools in respect of the code of conduct. As a result, incidences of violence, gangsterism, stabbings, assaults on teachers and the rape of girls are quite common. Other researchers like Harber (2001) shows that such cases are actually increasing. Some findings from the research include the fact that there is no universally understood and clear definition of discipline which means it is interpreted differently 5 page with both learners and educators. Consequently, they perceive problems differently and come up with different solutions. Generally, both parties are of the opinion of the fact that the whole disciplinary process is not working as effectively as it should. The primary recommendation therefore is to review the whole policy and the statutory instrument in which both learners and educators base on the policy so that it reflects the current situation and takes cognisance of the challenges faced.
- Full Text:
- Date Issued: 2014
- Authors: Speelman, Luleka Miranda
- Date: 2014
- Subjects: School children -- Discipline
- Language: English
- Type: Thesis , Masters , MPA
- Identifier: vital:11701 , http://hdl.handle.net/10353/d1015142 , School children -- Discipline
- Description: So many efforts have been made, both at the legislative and policy-making level to ensure that learner discipline is handled more effectively and moves away from corporal punishment, which was the norm before the enactment of the current South African Schools Act. Some of the provisions of the Act stipulates that each school is responsible for setting up its own Disciplinary Code suited to its environment and developed in conjunction with relevant stakeholders like parents and other community leaders. The Act also makes provision for the setting up of structures such as the School Governance Body (SGB) and the School Management Team (SMT). A number of scholars have provided some insights on the issue of school discipline. Several of them have reported that in their research, several schools cited the lack of learner discipline as one of the problems hampering effective teaching and learning. The study, using various literature further attempts to make the distinction between discipline and punishment, stressing that the former is a process that uses teaching, modelling, and other appropriate strategies to maintain behaviour necessary to ensure a safe, orderly and productive learning environment by changing unacceptable behaviour to acceptable behaviour. On the other hand, punishment is a facet of discipline that involves action taken in response to inappropriate behaviour in order to correct or modify it, and to restore harmonious relations. Therefore punishment is a penalty or corrective measure inflicted on a person who has transgressed at school and is guilty of misconduct. The literature also shows that there are many difficulties and problems associated with implementing the discipline policy in South African schools in respect of the code of conduct. As a result, incidences of violence, gangsterism, stabbings, assaults on teachers and the rape of girls are quite common. Other researchers like Harber (2001) shows that such cases are actually increasing. Some findings from the research include the fact that there is no universally understood and clear definition of discipline which means it is interpreted differently 5 page with both learners and educators. Consequently, they perceive problems differently and come up with different solutions. Generally, both parties are of the opinion of the fact that the whole disciplinary process is not working as effectively as it should. The primary recommendation therefore is to review the whole policy and the statutory instrument in which both learners and educators base on the policy so that it reflects the current situation and takes cognisance of the challenges faced.
- Full Text:
- Date Issued: 2014
Critical realist versus mainstream interdisciplinarity
- Authors: Price, Leigh
- Date: 2014
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/391143 , vital:68624 , xlink:href="https://doi.org/10.1179/1476743013Z.00000000019"
- Description: In this paper I argue for the superiority of a critical realist understanding of interdisciplinarity over a mainstream understanding of it. I begin by exploring the reasons for the failure of mainstream researchers to achieve interdisciplinarity. My main argument is that mainstream interdisciplinary researchers tend to hypostatize facts, fetishize constant conjunctions of events and apply to open systems an epistemology designed for closed systems. I also explain how mainstream interdisciplinarity supports oppression and gross inequality. I argue that mainstream interdisciplinarity is not true interdisciplinarity and refer to it accordingly as ‘condisciplinarity’. By way of example, I examine the condisciplinarity of the World Health Organization’s ecological model applied to the issue of men’s violence against women. Specifically, I argue that critical realist interdisciplinarity is preferable because it acknowledges inter alia the empirical, actual and real layers of reality, which allows it to develop depth-explanations of phenomena. In practice, this means that critical realist interdisciplinarity can potentially provide explanations that, compared to condisciplinarity, are broader (include more of the human and non-human context) and deeper (include for example individuals’ conscious and unconscious psychological motivations). In the World Health Organization’s example of the causes of men’s violence against women, condisciplinarity resulted in the absence of historical, global and unconscious aspects of the problem. It is also restricted the analysis to reductive, constant-conjunction based theories of the causes of the problem, specifically ‘risk factors’, thereby providing a relatively shallow explanation for the problem.
- Full Text:
- Date Issued: 2014
- Authors: Price, Leigh
- Date: 2014
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/391143 , vital:68624 , xlink:href="https://doi.org/10.1179/1476743013Z.00000000019"
- Description: In this paper I argue for the superiority of a critical realist understanding of interdisciplinarity over a mainstream understanding of it. I begin by exploring the reasons for the failure of mainstream researchers to achieve interdisciplinarity. My main argument is that mainstream interdisciplinary researchers tend to hypostatize facts, fetishize constant conjunctions of events and apply to open systems an epistemology designed for closed systems. I also explain how mainstream interdisciplinarity supports oppression and gross inequality. I argue that mainstream interdisciplinarity is not true interdisciplinarity and refer to it accordingly as ‘condisciplinarity’. By way of example, I examine the condisciplinarity of the World Health Organization’s ecological model applied to the issue of men’s violence against women. Specifically, I argue that critical realist interdisciplinarity is preferable because it acknowledges inter alia the empirical, actual and real layers of reality, which allows it to develop depth-explanations of phenomena. In practice, this means that critical realist interdisciplinarity can potentially provide explanations that, compared to condisciplinarity, are broader (include more of the human and non-human context) and deeper (include for example individuals’ conscious and unconscious psychological motivations). In the World Health Organization’s example of the causes of men’s violence against women, condisciplinarity resulted in the absence of historical, global and unconscious aspects of the problem. It is also restricted the analysis to reductive, constant-conjunction based theories of the causes of the problem, specifically ‘risk factors’, thereby providing a relatively shallow explanation for the problem.
- Full Text:
- Date Issued: 2014
Zimbabwe takes back its land:
- Authors: Helliker, Kirk D
- Date: 2014
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/144677 , vital:38369 , DOI: 10.1080/02589001.2014.984946
- Description: Zimbabwe Takes Back its Land offers a useful introduction to fast-track land reform in contemporary Zimbabwe for a broad popular audience unfamiliar with the existing literature on fast-track land reform. But its value as a contribution to a more specialised and nuanced body of knowledge about fast-track is considerably more problematic.
- Full Text:
- Date Issued: 2014
- Authors: Helliker, Kirk D
- Date: 2014
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/144677 , vital:38369 , DOI: 10.1080/02589001.2014.984946
- Description: Zimbabwe Takes Back its Land offers a useful introduction to fast-track land reform in contemporary Zimbabwe for a broad popular audience unfamiliar with the existing literature on fast-track land reform. But its value as a contribution to a more specialised and nuanced body of knowledge about fast-track is considerably more problematic.
- Full Text:
- Date Issued: 2014
An assessment of the challenges to housing delievery in the Engcobo Municipality - Eastern Cape
- Authors: Jiyose, L
- Date: 2014
- Subjects: Housing policy -- South Africa , Public housing , Low-income housing
- Language: English
- Type: text
- Identifier: http://hdl.handle.net/10353/25613 , vital:64342
- Description: The intention of this study was to examine the challenges facing housing service delivery and its impact in Ngcobo Municipality. The study was also focusing on the factors that prevent/hinder the delivery of houses in Ngcobo. In this process the role of the different stakeholders has been identified and it became apparent that the spheres of government do not always complement each other or plan together. There was not a single window of co-ordination and this has resulted in a lack of support by National and Provincial government to the local sphere. The role of politicians and government officials and their lack of understanding of government policies has led to poor housing service delivery. In some instances their inability to work as a collective created tension and a lack of trust on the part of the community. This study has adopted both qualitative and quantitative research methods which are regarded as complementary. The findings that emerged from the study was that this housing service delivery project lacked integrated planning by the stakeholders. It is crucial and would make a significant difference if the Ngcobo Municipality were to review the results of the study and consider implementing its recommendations. The recommendations by the researcher relate to the areas of integrated planning, budgeting, execution, monitoring and evaluation. , Thesis (MPA) -- Faculty of Management and Commerce, 2014
- Full Text:
- Date Issued: 2014
- Authors: Jiyose, L
- Date: 2014
- Subjects: Housing policy -- South Africa , Public housing , Low-income housing
- Language: English
- Type: text
- Identifier: http://hdl.handle.net/10353/25613 , vital:64342
- Description: The intention of this study was to examine the challenges facing housing service delivery and its impact in Ngcobo Municipality. The study was also focusing on the factors that prevent/hinder the delivery of houses in Ngcobo. In this process the role of the different stakeholders has been identified and it became apparent that the spheres of government do not always complement each other or plan together. There was not a single window of co-ordination and this has resulted in a lack of support by National and Provincial government to the local sphere. The role of politicians and government officials and their lack of understanding of government policies has led to poor housing service delivery. In some instances their inability to work as a collective created tension and a lack of trust on the part of the community. This study has adopted both qualitative and quantitative research methods which are regarded as complementary. The findings that emerged from the study was that this housing service delivery project lacked integrated planning by the stakeholders. It is crucial and would make a significant difference if the Ngcobo Municipality were to review the results of the study and consider implementing its recommendations. The recommendations by the researcher relate to the areas of integrated planning, budgeting, execution, monitoring and evaluation. , Thesis (MPA) -- Faculty of Management and Commerce, 2014
- Full Text:
- Date Issued: 2014
The demography, spatial ecology and reproductive success of the black rhinoceros, Diceros bicornis, in Hluhluwe-iMfolozi Park, Kwazulu-Natal, South Africa
- Authors: Nhleko, Zoliswa Nombulelo
- Date: 2014
- Subjects: Hluhluwe-iMfolozi Park (South Africa) , Black rhinoceros -- South Africa -- Hluhluwe , Animal populations -- South Africa -- Hluhluwe , Spatial ecology -- South Africa -- Hluhluwe , Black rhinoceros -- Reproduction
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:5849 , http://hdl.handle.net/10962/d1011825 , Hluhluwe-iMfolozi Park (South Africa) , Black rhinoceros -- South Africa -- Hluhluwe , Animal populations -- South Africa -- Hluhluwe , Spatial ecology -- South Africa -- Hluhluwe , Black rhinoceros -- Reproduction
- Description: Black rhinoceroses (Diceros bicornis) are endangered; there are only ~5000 individuals remaining worldwide. Consequently, black rhinos are managed as a metapopulation in southern Africa. This means that even though several sub-populations of black rhinos are geographically separated, they are managed as a single population. This is achieved by interchanging genetic material between the sub-populations. The main aim of the metapopulation management approach is to increase black rhino numbers in the sub-region. The Rhino Management Group (RMG), formed in 1989, was tasked with setting scientifically defensible demographic targets for the remaining black rhino sub-populations in southern Africa. In the same year, the RMG set fecundity rate at 25% and stated that each black rhino sub-population should achieve a minimum growth rate of 5% per year. The black rhino population in the Hluhluwe-iMfolozi Park (HiP), KwaZulu-Natal, South Africa, is of international importance as it has historically been a significant donor population for the translocation of black rhinos to establish new subpopulations elsewhere in the sub-region. However, the black rhino population at HiP is performing poorly in terms of reproductive success. My study was initiated to assess the reproductive life-histories of the black rhino population at HiP and to determine whether the population was meeting the demographic targets set by the RMG. I also wished to assess the use of space by black rhinos in HiP as a potential explanation for the observed reproductive output. Detailed life-history information for known black rhinos (n = 120) was used to investigate reproductive success between 1998 and 2012. The mean age at sexual maturity (ASM) was determined as 12 years, which is higher than the ASM found in black rhino populations that are considered to be performing poorly (ASM = ~ 7 years). The intercalving interval (ICI) was three years, nine months; this was also longer than the ICI of most black rhino populations. Further, the 2012 black rhino population at HiP had a growth rate of 6.4%, and the population comprised 60% adults, 23% sub-adults and 13% juveniles. Such demographics are usually observed in stable populations and it is possible that poor habitat quality could be resulting in the delayed ASM and longer ICI’s at HiP. In addition, 5% of the population is removed annually as part of the Black Rhino Range Expansion Program (BRREP) to establish new sub-populations. This could also be negatively influencing the reproductive performance of the HiP population. To determine the home range and habitat use of black rhinos at HiP, field data from 13 individual adult black rhinos (n = 9 females and 4 males) over a two-year period (2011-2012) were analyzed. Black rhino female home ranges were slightly smaller (15.4 ± 12.9 km²) than the home ranges of males (23.3 ±14.0 km²) and both sexes utilized similar habitats in the centre of the park. In addition, both the male and female black rhinos were found closer to rivers and drainage lines than expected. However, the assessment of black rhino space use in HiP was limited by a small sample size, making inferences of the impact of space use on reproductive success difficult. Nevertheless, my study suggests that food availability likely influences the location and sizes of black rhino home ranges at HiP. I believe that my study forms the first step in understanding the factors that influence the reproductive success and habitat use patterns of the current black rhino population at HiP. The information produced by my study should enable park management to identify future research to be conducted at HiP, which will yield more robust data for making informed black rhino management decisions at HiP and elsewhere.
- Full Text:
- Date Issued: 2014
- Authors: Nhleko, Zoliswa Nombulelo
- Date: 2014
- Subjects: Hluhluwe-iMfolozi Park (South Africa) , Black rhinoceros -- South Africa -- Hluhluwe , Animal populations -- South Africa -- Hluhluwe , Spatial ecology -- South Africa -- Hluhluwe , Black rhinoceros -- Reproduction
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:5849 , http://hdl.handle.net/10962/d1011825 , Hluhluwe-iMfolozi Park (South Africa) , Black rhinoceros -- South Africa -- Hluhluwe , Animal populations -- South Africa -- Hluhluwe , Spatial ecology -- South Africa -- Hluhluwe , Black rhinoceros -- Reproduction
- Description: Black rhinoceroses (Diceros bicornis) are endangered; there are only ~5000 individuals remaining worldwide. Consequently, black rhinos are managed as a metapopulation in southern Africa. This means that even though several sub-populations of black rhinos are geographically separated, they are managed as a single population. This is achieved by interchanging genetic material between the sub-populations. The main aim of the metapopulation management approach is to increase black rhino numbers in the sub-region. The Rhino Management Group (RMG), formed in 1989, was tasked with setting scientifically defensible demographic targets for the remaining black rhino sub-populations in southern Africa. In the same year, the RMG set fecundity rate at 25% and stated that each black rhino sub-population should achieve a minimum growth rate of 5% per year. The black rhino population in the Hluhluwe-iMfolozi Park (HiP), KwaZulu-Natal, South Africa, is of international importance as it has historically been a significant donor population for the translocation of black rhinos to establish new subpopulations elsewhere in the sub-region. However, the black rhino population at HiP is performing poorly in terms of reproductive success. My study was initiated to assess the reproductive life-histories of the black rhino population at HiP and to determine whether the population was meeting the demographic targets set by the RMG. I also wished to assess the use of space by black rhinos in HiP as a potential explanation for the observed reproductive output. Detailed life-history information for known black rhinos (n = 120) was used to investigate reproductive success between 1998 and 2012. The mean age at sexual maturity (ASM) was determined as 12 years, which is higher than the ASM found in black rhino populations that are considered to be performing poorly (ASM = ~ 7 years). The intercalving interval (ICI) was three years, nine months; this was also longer than the ICI of most black rhino populations. Further, the 2012 black rhino population at HiP had a growth rate of 6.4%, and the population comprised 60% adults, 23% sub-adults and 13% juveniles. Such demographics are usually observed in stable populations and it is possible that poor habitat quality could be resulting in the delayed ASM and longer ICI’s at HiP. In addition, 5% of the population is removed annually as part of the Black Rhino Range Expansion Program (BRREP) to establish new sub-populations. This could also be negatively influencing the reproductive performance of the HiP population. To determine the home range and habitat use of black rhinos at HiP, field data from 13 individual adult black rhinos (n = 9 females and 4 males) over a two-year period (2011-2012) were analyzed. Black rhino female home ranges were slightly smaller (15.4 ± 12.9 km²) than the home ranges of males (23.3 ±14.0 km²) and both sexes utilized similar habitats in the centre of the park. In addition, both the male and female black rhinos were found closer to rivers and drainage lines than expected. However, the assessment of black rhino space use in HiP was limited by a small sample size, making inferences of the impact of space use on reproductive success difficult. Nevertheless, my study suggests that food availability likely influences the location and sizes of black rhino home ranges at HiP. I believe that my study forms the first step in understanding the factors that influence the reproductive success and habitat use patterns of the current black rhino population at HiP. The information produced by my study should enable park management to identify future research to be conducted at HiP, which will yield more robust data for making informed black rhino management decisions at HiP and elsewhere.
- Full Text:
- Date Issued: 2014
An assessment of the role of officials in housings service delivery in the Nelson Mandela bay Municipality
- Authors: Tutu, Jimmy Vuyisile
- Date: 2014
- Subjects: Housing -- Protests -- Officials -- Service Delivery , Beneficiary -- Beneficiary Management -- Corruption
- Language: English
- Type: Thesis , Masters , MPA
- Identifier: vital:11722 , http://hdl.handle.net/10353/d1017867 , Housing -- Protests -- Officials -- Service Delivery , Beneficiary -- Beneficiary Management -- Corruption
- Description: The purpose of this study was to assess the role of the officials on housing service delivery in the Nelson Mandela by Municipality (NMBM). The role of the officials currently occupies the centre stage in the Public Service and they should be proud to be the servants of the people. Furthermore, they relish the challenge of providing improved services to all by applying the principles of Batho Pele. In order to meet the goals of the study, it was necessary to study the literature on the housing sector, in particular the role of Officials in the Nelson Mandela Municipality and the reasons why people marched and accused Officials of perceived Corruption in Nelson Mandela Bay Municipality. In order to address the research problem and to fulfill the research objectives, an in depth literature study was done. Empirical studies were done by means of face-to-face interviews and Questionnaires with the Sample population from the Community and the Department of Housing officials in NMBM. The findings of the study suggested that there is ineffective client interface, housing waiting lists are not properly managed, there is a lack of transparency in housing allocations, as well as favoritism by Officials, Councilors and Community leaders on the allocation of houses and there is also a problem of the illegal occupation of houses .The study further suggests that the role of Officials and Councilors needs to be improved if it is to serve as a catalyst for effective housing service delivery to the citizens of NMBM. Recommendations were put forward to assist the Nelson Mandela Bay Municipality in improving effective and efficiency Housing Service Delivery.
- Full Text:
- Date Issued: 2014
- Authors: Tutu, Jimmy Vuyisile
- Date: 2014
- Subjects: Housing -- Protests -- Officials -- Service Delivery , Beneficiary -- Beneficiary Management -- Corruption
- Language: English
- Type: Thesis , Masters , MPA
- Identifier: vital:11722 , http://hdl.handle.net/10353/d1017867 , Housing -- Protests -- Officials -- Service Delivery , Beneficiary -- Beneficiary Management -- Corruption
- Description: The purpose of this study was to assess the role of the officials on housing service delivery in the Nelson Mandela by Municipality (NMBM). The role of the officials currently occupies the centre stage in the Public Service and they should be proud to be the servants of the people. Furthermore, they relish the challenge of providing improved services to all by applying the principles of Batho Pele. In order to meet the goals of the study, it was necessary to study the literature on the housing sector, in particular the role of Officials in the Nelson Mandela Municipality and the reasons why people marched and accused Officials of perceived Corruption in Nelson Mandela Bay Municipality. In order to address the research problem and to fulfill the research objectives, an in depth literature study was done. Empirical studies were done by means of face-to-face interviews and Questionnaires with the Sample population from the Community and the Department of Housing officials in NMBM. The findings of the study suggested that there is ineffective client interface, housing waiting lists are not properly managed, there is a lack of transparency in housing allocations, as well as favoritism by Officials, Councilors and Community leaders on the allocation of houses and there is also a problem of the illegal occupation of houses .The study further suggests that the role of Officials and Councilors needs to be improved if it is to serve as a catalyst for effective housing service delivery to the citizens of NMBM. Recommendations were put forward to assist the Nelson Mandela Bay Municipality in improving effective and efficiency Housing Service Delivery.
- Full Text:
- Date Issued: 2014
Factors influencing cultural diversity at a multinational company
- Authors: Swart, Victor
- Date: 2014
- Subjects: Diversity in the workplace , Multiculturalism , International business enterprises -- Cross-cultural studies
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/8790 , vital:26430
- Description: Cultural diversity in the workplace is the presence of multiple cultures or groups within the work environment. This diversity in culture can be as a result of a difference in origin or nationality, difference in society, difference in religion or a difference in tradition. A multinational company (MNC), also referred to as a transnational company is an organisation that is registered and operates in multiple countries but is managed from the home country. Today’s ever increasing rate of globalization and the expansion of organisations into countries other than their own has created workplaces where cultural diversity is the norm and where workplaces are no longer characterized by a single or monoculture. This study explores the cultural diversity of an Argentinian multinational company, My Multinational Company (MMC), operating in Argentina and South Africa. MMC is a market leader in the production, procurement and export of citrus products. There is a plethora of information on cultural diversity which identifies various factors which influence cultural diversity. The purpose of this study is therefore to enhance the current understanding of cultural diversity within a multinational company by identifying the factors which influence cultural diversity in a multinational company. The approach to this study is quantitative in nature and the paradigm to be followed is positivistic, based on an empirical study and questionnaire. The empirical study assesses previous work relating to cultural diversity and identifies the factors which influence cultural diversity. The questionnaire was developed from the literature and distributed to MMC employees in Argentina and South Africa in order to determine their similarities and differences. The results of the empirical study identified areas of improvement for MMC. Recommendations were then made based on the literature review and the analysis of the empirical results.
- Full Text:
- Date Issued: 2014
- Authors: Swart, Victor
- Date: 2014
- Subjects: Diversity in the workplace , Multiculturalism , International business enterprises -- Cross-cultural studies
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/8790 , vital:26430
- Description: Cultural diversity in the workplace is the presence of multiple cultures or groups within the work environment. This diversity in culture can be as a result of a difference in origin or nationality, difference in society, difference in religion or a difference in tradition. A multinational company (MNC), also referred to as a transnational company is an organisation that is registered and operates in multiple countries but is managed from the home country. Today’s ever increasing rate of globalization and the expansion of organisations into countries other than their own has created workplaces where cultural diversity is the norm and where workplaces are no longer characterized by a single or monoculture. This study explores the cultural diversity of an Argentinian multinational company, My Multinational Company (MMC), operating in Argentina and South Africa. MMC is a market leader in the production, procurement and export of citrus products. There is a plethora of information on cultural diversity which identifies various factors which influence cultural diversity. The purpose of this study is therefore to enhance the current understanding of cultural diversity within a multinational company by identifying the factors which influence cultural diversity in a multinational company. The approach to this study is quantitative in nature and the paradigm to be followed is positivistic, based on an empirical study and questionnaire. The empirical study assesses previous work relating to cultural diversity and identifies the factors which influence cultural diversity. The questionnaire was developed from the literature and distributed to MMC employees in Argentina and South Africa in order to determine their similarities and differences. The results of the empirical study identified areas of improvement for MMC. Recommendations were then made based on the literature review and the analysis of the empirical results.
- Full Text:
- Date Issued: 2014
Implementation of performance management development system in the Provincial Treasury, Province of the Eastern Cape
- Authors: Maseti, Kayakazi Bongiwe
- Date: 2014
- Subjects: Eastern Cape (South Africa) -- Provincial Treasury , Performance -- Management , Employees -- Rating of -- South Africa -- Eastern Cape , Organizational effectiveness
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:8335 , http://hdl.handle.net/10948/d1020584
- Description: A number of organisations are continuously searching for methods which can be used to improve performance. One such method entails implementing a performance management programme. However, despite a growing body of research that supports the positive impact that effective performance management can have on an organisation’s performance, evidence suggests that organisations in South Africa and elsewhere are not implementing the practices that are recommended by the theory of best practice in Human Resources and performance management (Kock, Roodt & Veldsman, 2002:83). The institutionalisation of performance management in the South African public service after 1994 came as a result of the need to change the legacy of poor performance of the public service (Malefane, 2010:1). This study seeks to examine the effectiveness of the implementation of performance management in the Provincial Treasury, Province of the Eastern Cape (Provincial Treasury). Literature reveals that there is consensus on the view that performance management is a tool that contributes to the effective management of employees in order to yield high organisational performance. Armstrong and Baron (2005 :vii) contend that if performance levels of individuals are raised, better organisational performance levels will follow. According to Dessler, (1997:372) performance management is a systematic approach to managing people, goals, measurement, feedback, and recognition as a way of motivating employees to achieve their full potential in line with the organisation’s objectives. In the South African context, performance management is described in terms of its role and outcome with regard to employee development; hence it is widely referred to by public sector employees as a Performance Management and Development System (PMDS) (Malefane, 2010:7). The Annual Performance Plan (APP) of the Office of the Premier (OTP APP, 2010/11:5) insists that the Eastern Cape Provincial Administration is still plagued with inter alia, a work ethic that is less desirable, weak human capital management culture, poor compliance with policies, lack of accountability and discipline as well as capacity challenges in critical areas which include planning, financial management, monitoring and reporting as well as systematic performance and an inability to respond to identified service delivery challenges. Public sector reforms have been adopted in this province in an attempt to improve performance in order to meet service delivery initiatives. A purposive sampling technique was used to select 30 participants of the Provincial Treasury (employees between salary levels 6 and 8 as well as managers from salary levels 9-13). A qualitative approach was preferred in this study to enhance objectivity which would have vanished if quantitative or experimental strategies were employed. The empirical findings revealed that the employees and the management of this Department perceive that there is no clearly defined purpose of performance management. There is also a feeling that performance management is not useful in identifying under-performers and ineffective in raising the performance of employees. Consequently, it is unable to assist the subordinates to grow. Others felt that performance management is not a developmental tool. It also emerged from the empirical findings of this study that the current rating system does not serve its intended purpose and therefore it should be replaced. Recommendations and suggestions are adopted in this study to address these perceptions.
- Full Text:
- Date Issued: 2014
- Authors: Maseti, Kayakazi Bongiwe
- Date: 2014
- Subjects: Eastern Cape (South Africa) -- Provincial Treasury , Performance -- Management , Employees -- Rating of -- South Africa -- Eastern Cape , Organizational effectiveness
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:8335 , http://hdl.handle.net/10948/d1020584
- Description: A number of organisations are continuously searching for methods which can be used to improve performance. One such method entails implementing a performance management programme. However, despite a growing body of research that supports the positive impact that effective performance management can have on an organisation’s performance, evidence suggests that organisations in South Africa and elsewhere are not implementing the practices that are recommended by the theory of best practice in Human Resources and performance management (Kock, Roodt & Veldsman, 2002:83). The institutionalisation of performance management in the South African public service after 1994 came as a result of the need to change the legacy of poor performance of the public service (Malefane, 2010:1). This study seeks to examine the effectiveness of the implementation of performance management in the Provincial Treasury, Province of the Eastern Cape (Provincial Treasury). Literature reveals that there is consensus on the view that performance management is a tool that contributes to the effective management of employees in order to yield high organisational performance. Armstrong and Baron (2005 :vii) contend that if performance levels of individuals are raised, better organisational performance levels will follow. According to Dessler, (1997:372) performance management is a systematic approach to managing people, goals, measurement, feedback, and recognition as a way of motivating employees to achieve their full potential in line with the organisation’s objectives. In the South African context, performance management is described in terms of its role and outcome with regard to employee development; hence it is widely referred to by public sector employees as a Performance Management and Development System (PMDS) (Malefane, 2010:7). The Annual Performance Plan (APP) of the Office of the Premier (OTP APP, 2010/11:5) insists that the Eastern Cape Provincial Administration is still plagued with inter alia, a work ethic that is less desirable, weak human capital management culture, poor compliance with policies, lack of accountability and discipline as well as capacity challenges in critical areas which include planning, financial management, monitoring and reporting as well as systematic performance and an inability to respond to identified service delivery challenges. Public sector reforms have been adopted in this province in an attempt to improve performance in order to meet service delivery initiatives. A purposive sampling technique was used to select 30 participants of the Provincial Treasury (employees between salary levels 6 and 8 as well as managers from salary levels 9-13). A qualitative approach was preferred in this study to enhance objectivity which would have vanished if quantitative or experimental strategies were employed. The empirical findings revealed that the employees and the management of this Department perceive that there is no clearly defined purpose of performance management. There is also a feeling that performance management is not useful in identifying under-performers and ineffective in raising the performance of employees. Consequently, it is unable to assist the subordinates to grow. Others felt that performance management is not a developmental tool. It also emerged from the empirical findings of this study that the current rating system does not serve its intended purpose and therefore it should be replaced. Recommendations and suggestions are adopted in this study to address these perceptions.
- Full Text:
- Date Issued: 2014
The effect of phytocannabinoid treatment on adipogenesis and lipolysis in 3T3-L1 cells
- Authors: Ramlugon, Sonaal
- Date: 2014
- Subjects: Cannabinoids , Adipose tissues , Cannabis -- Therapeutic use
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:10361 , http://hdl.handle.net/10948/d1021072
- Description: During the 1800’s cannabis use was described as a treatment for a variety of metabolic disorders but its recreational use in the twentieth century resulted in laws which made the usage of cannabis illegal despite its medicinal properties. Cannabis usage has been reported to be useful in the treatment of Type 2 diabetes but unfortunately conflicting results are often published and its mechanism of action is still unknown. The aim of this project was to investigate the effect of phytocannabinoid treatment on adipogenesis and lipolysis in 3T3-L1 cells, to unravel their mechanism of action and also to test for potential anti-diabetic properties. The studies showed that phytocannabinoid treatment promoted higher glucose uptake and significantly less fat accumulation when compared to Rosiglitazone. Rosiglitazone is an anti-diabetic drug that has recently been withdrawn from the market since its usage has been associated with severe side effects. It was also found that during the 1800’s cannabis use was described as a treatment for a variety of metabolic disorders but its recreational use in the twentieth century resulted in laws which made the usage of cannabis illegal despite its medicinal properties. Cannabis usage has been reported to be useful in the treatment of Type 2 diabetes but unfortunately conflicting results are often published and its mechanism of action is still unknown. The aim of this project was to investigate the effect of phytocannabinoid treatment on adipogenesis and lipolysis in 3T3-L1 cells, to unravel their mechanism of action and also to test for potential anti-diabetic properties. The studies showed that phytocannabinoid treatment promoted higher glucose uptake and significantly less fat accumulation when compared to Rosiglitazone. Rosiglitazone is an anti-diabetic drug that has recently been withdrawn from the market since its usage has been associated with severe side effects. It was also found that phytocannabinoid treatment was able to reverse the insulin-resistant state of 3T3-L1 cells. The study indicates that the mechanism of action occurs at the mitochondrial level where enzymes such as succinate dehydrogenase and glycerol-3-phosphate dehydrogenase are modulated thereby affecting oxidative phosphorylation involved in the respiratory chain. In addition the effect observed with phytocannabinoid treatment is time dependent and affects the cells differently at different developmental stages. Therefore it can be concluded that phytocannabinoid treatment not only helps to maintain the balance between adipogenesis and lipolysis in 3T3-L1 cells but its use may also be helpful in the treatment of Type 2 diabetes and/or obesity-related insulin resistance.phytocannabinoid treatment was able to reverse the insulin-resistant state of 3T3-L1 cells. The study indicates that the mechanism of action occurs at the mitochondrial level where enzymes such as succinate dehydrogenase and glycerol-3-phosphate dehydrogenase are modulated thereby affecting oxidative phosphorylation involved in the respiratory chain. In addition the effect observed with phytocannabinoid treatment is time dependent and affects the cells differently at different developmental stages. Therefore it can be concluded that phytocannabinoid treatment not only helps to maintain the balance between adipogenesis and lipolysis in 3T3-L1 cells but its use may also be helpful in the treatment of Type 2 diabetes and/or obesity-related insulin resistance.
- Full Text:
- Date Issued: 2014
- Authors: Ramlugon, Sonaal
- Date: 2014
- Subjects: Cannabinoids , Adipose tissues , Cannabis -- Therapeutic use
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:10361 , http://hdl.handle.net/10948/d1021072
- Description: During the 1800’s cannabis use was described as a treatment for a variety of metabolic disorders but its recreational use in the twentieth century resulted in laws which made the usage of cannabis illegal despite its medicinal properties. Cannabis usage has been reported to be useful in the treatment of Type 2 diabetes but unfortunately conflicting results are often published and its mechanism of action is still unknown. The aim of this project was to investigate the effect of phytocannabinoid treatment on adipogenesis and lipolysis in 3T3-L1 cells, to unravel their mechanism of action and also to test for potential anti-diabetic properties. The studies showed that phytocannabinoid treatment promoted higher glucose uptake and significantly less fat accumulation when compared to Rosiglitazone. Rosiglitazone is an anti-diabetic drug that has recently been withdrawn from the market since its usage has been associated with severe side effects. It was also found that during the 1800’s cannabis use was described as a treatment for a variety of metabolic disorders but its recreational use in the twentieth century resulted in laws which made the usage of cannabis illegal despite its medicinal properties. Cannabis usage has been reported to be useful in the treatment of Type 2 diabetes but unfortunately conflicting results are often published and its mechanism of action is still unknown. The aim of this project was to investigate the effect of phytocannabinoid treatment on adipogenesis and lipolysis in 3T3-L1 cells, to unravel their mechanism of action and also to test for potential anti-diabetic properties. The studies showed that phytocannabinoid treatment promoted higher glucose uptake and significantly less fat accumulation when compared to Rosiglitazone. Rosiglitazone is an anti-diabetic drug that has recently been withdrawn from the market since its usage has been associated with severe side effects. It was also found that phytocannabinoid treatment was able to reverse the insulin-resistant state of 3T3-L1 cells. The study indicates that the mechanism of action occurs at the mitochondrial level where enzymes such as succinate dehydrogenase and glycerol-3-phosphate dehydrogenase are modulated thereby affecting oxidative phosphorylation involved in the respiratory chain. In addition the effect observed with phytocannabinoid treatment is time dependent and affects the cells differently at different developmental stages. Therefore it can be concluded that phytocannabinoid treatment not only helps to maintain the balance between adipogenesis and lipolysis in 3T3-L1 cells but its use may also be helpful in the treatment of Type 2 diabetes and/or obesity-related insulin resistance.phytocannabinoid treatment was able to reverse the insulin-resistant state of 3T3-L1 cells. The study indicates that the mechanism of action occurs at the mitochondrial level where enzymes such as succinate dehydrogenase and glycerol-3-phosphate dehydrogenase are modulated thereby affecting oxidative phosphorylation involved in the respiratory chain. In addition the effect observed with phytocannabinoid treatment is time dependent and affects the cells differently at different developmental stages. Therefore it can be concluded that phytocannabinoid treatment not only helps to maintain the balance between adipogenesis and lipolysis in 3T3-L1 cells but its use may also be helpful in the treatment of Type 2 diabetes and/or obesity-related insulin resistance.
- Full Text:
- Date Issued: 2014
Purification and characterization of TbHsp70.c, a novel Hsp70 from Trypanosoma brucei
- Authors: Burger, Adélle
- Date: 2014
- Subjects: African trypanosomiasis -- Research Heat shock proteins -- Research Trypanosoma brucei -- Research Mycobacterial diseases -- Research -- Africa Parasitic diseases -- Africa -- Prevention Parasites -- Physiology Developing countries -- Economic conditions
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:4105 , http://hdl.handle.net/10962/d1011618
- Description: One of Africa’s neglected tropical diseases, African Trypanosomiasis, is not only fatal but also has a crippling impact on economic development. Heat shock proteins play a wide range of roles in the cell and they are required to assist the parasite as it moves from a cold blooded insect vector to a warm blooded mammalian host. The expression of heat shock proteins increases during these heat shock conditions, and this is considered to play a role in differentiation of these vector-borne parasites. Heat shock protein 70 (Hsp70) is an important molecular chaperone that is involved in protein homeostasis, Hsp40 acts as a co-chaperone and stimulates its intrinsically weak ATPase activity. In silico analysis of the T. brucei genome has revealed the existence of 12 Hsp70 proteins and 65 Hsp40 proteins to date. A novel Hsp70, TbHsp70.c, was recently identified in T. brucei. Different from the prototypical Hsp70, TbHsp70.c contains an acidic substrate binding domain and lacks the C-terminal EEVD motif. By implication the substrate range and mechanism by which the substrates are recognized may be novel. The ability of a Type I Hsp40, Tbj2, to function as a co-chaperone of TbHsp70.c was investigated. The main objective of this study was to biochemically characterize TbHsp70.c and its partnership with Tbj2 to further enhance our knowledge of parasite biology. TbHsp70.c and Tbj2 were heterologously expressed and purified and both proteins displayed chaperone activities in their ability to suppress aggregation of thermolabile MDH. TbHsp70.c also suppressed aggregation of rhodanese. ATPase assays revealed that the ATPase activity of TbHsp70.c was stimulated by Tbj2. The targeted inhibition of the function of heat shock proteins is emerging as a tool to combat disease. The small molecule modulators quercetin and methylene blue are known to inhibit the ATPase activity of Hsp70. However, methylene blue did not significantly inhibit the ATPase activity of TbHsp70.c; while quercetin, did inhibit the ATPase activity. In vivo heat stress experiments indicated an up-regulation of the expression levels of TbHsp70.c. RNA interference studies showed partial knockdown of TbHsp70.c with no detrimental effect on the parasite. Fluorescence microscopy studies of TbHsp70.c showed a probable cytoplasmic subcellular localization. In this study both TbHsp70.c and Tbj2 demonstrated chaperone activity and Tbj2 possibly functions as a co-chaperone of TbHsp70.c.
- Full Text:
- Date Issued: 2014
- Authors: Burger, Adélle
- Date: 2014
- Subjects: African trypanosomiasis -- Research Heat shock proteins -- Research Trypanosoma brucei -- Research Mycobacterial diseases -- Research -- Africa Parasitic diseases -- Africa -- Prevention Parasites -- Physiology Developing countries -- Economic conditions
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:4105 , http://hdl.handle.net/10962/d1011618
- Description: One of Africa’s neglected tropical diseases, African Trypanosomiasis, is not only fatal but also has a crippling impact on economic development. Heat shock proteins play a wide range of roles in the cell and they are required to assist the parasite as it moves from a cold blooded insect vector to a warm blooded mammalian host. The expression of heat shock proteins increases during these heat shock conditions, and this is considered to play a role in differentiation of these vector-borne parasites. Heat shock protein 70 (Hsp70) is an important molecular chaperone that is involved in protein homeostasis, Hsp40 acts as a co-chaperone and stimulates its intrinsically weak ATPase activity. In silico analysis of the T. brucei genome has revealed the existence of 12 Hsp70 proteins and 65 Hsp40 proteins to date. A novel Hsp70, TbHsp70.c, was recently identified in T. brucei. Different from the prototypical Hsp70, TbHsp70.c contains an acidic substrate binding domain and lacks the C-terminal EEVD motif. By implication the substrate range and mechanism by which the substrates are recognized may be novel. The ability of a Type I Hsp40, Tbj2, to function as a co-chaperone of TbHsp70.c was investigated. The main objective of this study was to biochemically characterize TbHsp70.c and its partnership with Tbj2 to further enhance our knowledge of parasite biology. TbHsp70.c and Tbj2 were heterologously expressed and purified and both proteins displayed chaperone activities in their ability to suppress aggregation of thermolabile MDH. TbHsp70.c also suppressed aggregation of rhodanese. ATPase assays revealed that the ATPase activity of TbHsp70.c was stimulated by Tbj2. The targeted inhibition of the function of heat shock proteins is emerging as a tool to combat disease. The small molecule modulators quercetin and methylene blue are known to inhibit the ATPase activity of Hsp70. However, methylene blue did not significantly inhibit the ATPase activity of TbHsp70.c; while quercetin, did inhibit the ATPase activity. In vivo heat stress experiments indicated an up-regulation of the expression levels of TbHsp70.c. RNA interference studies showed partial knockdown of TbHsp70.c with no detrimental effect on the parasite. Fluorescence microscopy studies of TbHsp70.c showed a probable cytoplasmic subcellular localization. In this study both TbHsp70.c and Tbj2 demonstrated chaperone activity and Tbj2 possibly functions as a co-chaperone of TbHsp70.c.
- Full Text:
- Date Issued: 2014
Trends in the fish assemblage structure of two South African transition-zone estuaries : can these trends be linked to climate change?
- Authors: Midgley, Craig
- Date: 2014
- Subjects: Estuarine fishes -- South Africa -- Climatic factors , Fish communities -- South Africa
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:5368 , http://hdl.handle.net/10962/d1013173
- Description: Changes in the fish communities of the Breede and Mbashe estuaries were investigated in relation to the environmental variables that influence the fish assemblages in these systems. The Breede Estuary (34° 24’21.6”S, 20° 51’ 08.2”E) occurs within the warm-temperate/cool-temperate transition-zone, while the Mbashe Estuary (32o 14' 55.4"S, 28o 54' 03.7"E) falls within the subtropical/warm-temperate transition-zone along the South African coastline. The Breede Estuary was sampled (seine and gill nets) during summer (January-March) over a period of 10 years (2002-2012), while the Mbashe Estuary was sampled (seine net) during spring (October) over a period of three years (2010-2012). The proportion of tropical fish species was higher in the Mbashe Estuary compared to the Breede Estuary, while the Breede Estuary contained a higher proportion of temperate species than the Mbashe Estuary. Although the abundance of individual species in both estuaries varied, the ranking of species in the Breede Estuary was stable over the 10 year period. Multivariate analysis showed that the fish communities within each reach (upper, middle, lower) of the Breede Estuary remained similar, regardless of year. In contrast, species composition in the Mbashe Estuary differed significantly between years mainly due to differences in the river flow regime during the study period. Environmental variables responsible for structuring the fish assemblage in each estuary differed. Salinity significantly impacted the spatial fish assemblage structure of the Breede Estuary, with most of the species recorded being associated with the more saline lower reaches. The abundance of tropical species near their distributional limit in the Breede Estuary appeared to be impacted by sea surface temperature (SST) as peak total abundance of these species coincided with the warmest SST, while the lowest total abundance coincided with the coldest annual SST during the study period. The fish assemblage structure in the Mbashe Estuary was impacted by differing freshwater input prior to sampling, with flooding negatively impacting the mean total abundance, species composition and diversity in this system. The variables that influenced the fish assemblage structure of both transition-zone estuaries will be affected by climate change in the future. These variables will, in turn, determine the composition, abundance and diversity of species within these important estuarine systems. In order to measure these impacts with any degree of understanding, long-term studies on the abiotic and biotic (including the ichthyofauna) features of these estuaries are required to interpret climate change trends.
- Full Text:
- Date Issued: 2014
- Authors: Midgley, Craig
- Date: 2014
- Subjects: Estuarine fishes -- South Africa -- Climatic factors , Fish communities -- South Africa
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:5368 , http://hdl.handle.net/10962/d1013173
- Description: Changes in the fish communities of the Breede and Mbashe estuaries were investigated in relation to the environmental variables that influence the fish assemblages in these systems. The Breede Estuary (34° 24’21.6”S, 20° 51’ 08.2”E) occurs within the warm-temperate/cool-temperate transition-zone, while the Mbashe Estuary (32o 14' 55.4"S, 28o 54' 03.7"E) falls within the subtropical/warm-temperate transition-zone along the South African coastline. The Breede Estuary was sampled (seine and gill nets) during summer (January-March) over a period of 10 years (2002-2012), while the Mbashe Estuary was sampled (seine net) during spring (October) over a period of three years (2010-2012). The proportion of tropical fish species was higher in the Mbashe Estuary compared to the Breede Estuary, while the Breede Estuary contained a higher proportion of temperate species than the Mbashe Estuary. Although the abundance of individual species in both estuaries varied, the ranking of species in the Breede Estuary was stable over the 10 year period. Multivariate analysis showed that the fish communities within each reach (upper, middle, lower) of the Breede Estuary remained similar, regardless of year. In contrast, species composition in the Mbashe Estuary differed significantly between years mainly due to differences in the river flow regime during the study period. Environmental variables responsible for structuring the fish assemblage in each estuary differed. Salinity significantly impacted the spatial fish assemblage structure of the Breede Estuary, with most of the species recorded being associated with the more saline lower reaches. The abundance of tropical species near their distributional limit in the Breede Estuary appeared to be impacted by sea surface temperature (SST) as peak total abundance of these species coincided with the warmest SST, while the lowest total abundance coincided with the coldest annual SST during the study period. The fish assemblage structure in the Mbashe Estuary was impacted by differing freshwater input prior to sampling, with flooding negatively impacting the mean total abundance, species composition and diversity in this system. The variables that influenced the fish assemblage structure of both transition-zone estuaries will be affected by climate change in the future. These variables will, in turn, determine the composition, abundance and diversity of species within these important estuarine systems. In order to measure these impacts with any degree of understanding, long-term studies on the abiotic and biotic (including the ichthyofauna) features of these estuaries are required to interpret climate change trends.
- Full Text:
- Date Issued: 2014
Causes and effects of non-payment of residential property rates in Mahikeng
- Authors: Asianoah, Rexford Kofi
- Date: 2014
- Subjects: Debts, Public -- South Africa -- Mahikeng , Municipal default -- South Africa -- Mahikeng , Public utilities -- South Africa -- Mahikeng , Collecting of accounts -- South Africa -- Mahikeng
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:9674 , http://hdl.handle.net/10948/d1020076
- Description: One of the major sources of income to South African Municipalities is property rates. Income generated from property rates is meant to develop and deliver services to residents living in the said Municipal area. The main aim of the research was to identify the causes and effects of the non-payment of residential property rates, and also to develop workable strategies to maximise the collection of residential property rates in order to ensure developmental growth sustenance, specifically in Mahikeng Municipal area. Related literature was reviewed on the non-financial viability of Municipalities, maintenance of public infrastructure, service delivery and Municipal development plans in establishing the relationship with non-payment of residential property rates. Four hypotheses were set to guide the research with two testing positive with high level of confidence using the chi square method of testing. The research methodology employed in the research was mainly quantitative where the results and findings obtained from the questionnaire were statistically analysed. The research revealed that: The Mahikeng Local Municipality has failed to find the right medium to send rates bills to clients on time, is not taking active responsibility to recover rates debts, does not provide quality service delivery and the reluctance by locals to pay their property rates. The effects thereof, are the inability of the Municipality to deliver effective and efficient services, lack of maintenance of public infrastructure and development in the area. By implementing various options such as email, sms and the post to send rates bills to property owners, by employing different payment options, for example debit orders, transfers, bank deposits and discounts for property owners and embarking on periodic public awareness campaigns in educating the community regarding the importance of payment of property rates could serve as effective mechanisms to address the non-payment of residential property rates faced by the Mahikeng Local Municipality.
- Full Text:
- Date Issued: 2014
- Authors: Asianoah, Rexford Kofi
- Date: 2014
- Subjects: Debts, Public -- South Africa -- Mahikeng , Municipal default -- South Africa -- Mahikeng , Public utilities -- South Africa -- Mahikeng , Collecting of accounts -- South Africa -- Mahikeng
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:9674 , http://hdl.handle.net/10948/d1020076
- Description: One of the major sources of income to South African Municipalities is property rates. Income generated from property rates is meant to develop and deliver services to residents living in the said Municipal area. The main aim of the research was to identify the causes and effects of the non-payment of residential property rates, and also to develop workable strategies to maximise the collection of residential property rates in order to ensure developmental growth sustenance, specifically in Mahikeng Municipal area. Related literature was reviewed on the non-financial viability of Municipalities, maintenance of public infrastructure, service delivery and Municipal development plans in establishing the relationship with non-payment of residential property rates. Four hypotheses were set to guide the research with two testing positive with high level of confidence using the chi square method of testing. The research methodology employed in the research was mainly quantitative where the results and findings obtained from the questionnaire were statistically analysed. The research revealed that: The Mahikeng Local Municipality has failed to find the right medium to send rates bills to clients on time, is not taking active responsibility to recover rates debts, does not provide quality service delivery and the reluctance by locals to pay their property rates. The effects thereof, are the inability of the Municipality to deliver effective and efficient services, lack of maintenance of public infrastructure and development in the area. By implementing various options such as email, sms and the post to send rates bills to property owners, by employing different payment options, for example debit orders, transfers, bank deposits and discounts for property owners and embarking on periodic public awareness campaigns in educating the community regarding the importance of payment of property rates could serve as effective mechanisms to address the non-payment of residential property rates faced by the Mahikeng Local Municipality.
- Full Text:
- Date Issued: 2014
Prolegomena to ubuntu and any other future South African philosophy
- Authors: Prinsloo, Aidan Vivian
- Date: 2014
- Subjects: Ubuntu (Philosophy) , Political science -- Philosophy , Philosophy, African , Social values -- South Africa , Social values -- South Africa -- Philosophy , Place (Philosophy)
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:2747 , http://hdl.handle.net/10962/d1013092
- Description: In this thesis I consider ubuntu as a metonym for the particularly African features of South African philosophy. Given that Mbembe critiques African philosophy in general as having failed because it has been subsumed under two unreflective political movements in African thought, I consider whether or not the concept of ubuntu escapes his critique. After developing criteria for measuring the success of any philosophical concept, I conclude that ubuntu is unsuccessful. I then identify the political constraints placed on ubuntu that lead to its failure. These constraints arise from having to validate Africa as a place of intellectual worth. Considering the role of place in these constraints, I argue that a far more productive approach to ubuntu (and South African philosophy in general) is to explicitly incorporate this place into our philosophical project. I use the conceptual framework developed by Bruce Janz to provide a systematic account of place that can be used in formulating South African philosophy. I add to Janz, arguing that philosophy is a response to a particular feature of place: the mystery. By incorporating place into ubuntu, I am able to start developing a philosophical concept which can fulfil the political constraints placed on ubuntu without sacrificing its philosophical integrity. I suggest that ubuntu remains an interesting concept primarily because it promises to respond to the fragmentation of the South African place. I conclude by arguing that ubuntu should be used as the basis for a civic religion which responds to the fragmentation of the South African place. This civic religion will give rise to a significantly distinct philosophical tradition which should not succumb to Mbembe’s critique.
- Full Text:
- Date Issued: 2014
- Authors: Prinsloo, Aidan Vivian
- Date: 2014
- Subjects: Ubuntu (Philosophy) , Political science -- Philosophy , Philosophy, African , Social values -- South Africa , Social values -- South Africa -- Philosophy , Place (Philosophy)
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:2747 , http://hdl.handle.net/10962/d1013092
- Description: In this thesis I consider ubuntu as a metonym for the particularly African features of South African philosophy. Given that Mbembe critiques African philosophy in general as having failed because it has been subsumed under two unreflective political movements in African thought, I consider whether or not the concept of ubuntu escapes his critique. After developing criteria for measuring the success of any philosophical concept, I conclude that ubuntu is unsuccessful. I then identify the political constraints placed on ubuntu that lead to its failure. These constraints arise from having to validate Africa as a place of intellectual worth. Considering the role of place in these constraints, I argue that a far more productive approach to ubuntu (and South African philosophy in general) is to explicitly incorporate this place into our philosophical project. I use the conceptual framework developed by Bruce Janz to provide a systematic account of place that can be used in formulating South African philosophy. I add to Janz, arguing that philosophy is a response to a particular feature of place: the mystery. By incorporating place into ubuntu, I am able to start developing a philosophical concept which can fulfil the political constraints placed on ubuntu without sacrificing its philosophical integrity. I suggest that ubuntu remains an interesting concept primarily because it promises to respond to the fragmentation of the South African place. I conclude by arguing that ubuntu should be used as the basis for a civic religion which responds to the fragmentation of the South African place. This civic religion will give rise to a significantly distinct philosophical tradition which should not succumb to Mbembe’s critique.
- Full Text:
- Date Issued: 2014
An investigation into the use of a ceramifiable Ethylene Vinyl Acetate (EVA) co-polymer formulation to aid flame retardency in electrical cables
- Authors: Bambalaza, Sonwabo Elvis
- Date: 2014
- Subjects: Vinyl acetate , Polymeric composites , Inorganic compounds
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:10433 , http://hdl.handle.net/10948/d1020159
- Description: The concept of a unique ceramifiable Ethylene vinyl acetate (EVA) based polymer composite was based on the incorporation of inorganic compounds such as aluminium hydroxide, calcium carbonate, muscovite mica, and calcined kaolinite within a 95 percent EVA/ 5 percent Polydimethylsiloxane (PDMS) polymer matrix such tha t upon heating to elevated temperatures of about 1000 oC, a solid end-product with ceramic-like properties would be formed. The ceramifiable EVA based polymer composite was developed to be used as electric cable insulation or sheath as the formation of a ceramic based material at elevated temperatures would provide flame retardant properties during fire situations. The flame retardant properties at elevated temperatures would ensure that the insulation remains at such temperatures due to some of the properties of the resultant ceramic such as reasonably high flexural strength, high thermal stability, non-reactivity and high melting point. During a fire this would ensure that flames would not be propagated along the length of the cable and also protect the underlying conducting wires from being exposed to the high temperatures of the fire. Its application as a cable insulation also required that the material functions as a cable insulator under ambient temperature conditions where the ceramifiable polymer composite should retain certain polymer properties such as the post-cure tensile strength (MPa), degree of polymer elongation (percent), thermal expansion, thermal slacking, limited oxygen index and electrical insulation. This study made use of a composite experimental design approach that would allow for the optimization of the amounts of the additives in the ceramifiable polymer composite giving both the desired mechanical properties of the material under normal operating temperatures as a polymer and also as a ceramic once exposed to elevated temperatures. The optimization of additives used in the ceramifiable polymer composite was done by using a D-optimal mixture design of experiments (DoE) which was analyzed by multiple linear regression.
- Full Text:
- Date Issued: 2014
- Authors: Bambalaza, Sonwabo Elvis
- Date: 2014
- Subjects: Vinyl acetate , Polymeric composites , Inorganic compounds
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:10433 , http://hdl.handle.net/10948/d1020159
- Description: The concept of a unique ceramifiable Ethylene vinyl acetate (EVA) based polymer composite was based on the incorporation of inorganic compounds such as aluminium hydroxide, calcium carbonate, muscovite mica, and calcined kaolinite within a 95 percent EVA/ 5 percent Polydimethylsiloxane (PDMS) polymer matrix such tha t upon heating to elevated temperatures of about 1000 oC, a solid end-product with ceramic-like properties would be formed. The ceramifiable EVA based polymer composite was developed to be used as electric cable insulation or sheath as the formation of a ceramic based material at elevated temperatures would provide flame retardant properties during fire situations. The flame retardant properties at elevated temperatures would ensure that the insulation remains at such temperatures due to some of the properties of the resultant ceramic such as reasonably high flexural strength, high thermal stability, non-reactivity and high melting point. During a fire this would ensure that flames would not be propagated along the length of the cable and also protect the underlying conducting wires from being exposed to the high temperatures of the fire. Its application as a cable insulation also required that the material functions as a cable insulator under ambient temperature conditions where the ceramifiable polymer composite should retain certain polymer properties such as the post-cure tensile strength (MPa), degree of polymer elongation (percent), thermal expansion, thermal slacking, limited oxygen index and electrical insulation. This study made use of a composite experimental design approach that would allow for the optimization of the amounts of the additives in the ceramifiable polymer composite giving both the desired mechanical properties of the material under normal operating temperatures as a polymer and also as a ceramic once exposed to elevated temperatures. The optimization of additives used in the ceramifiable polymer composite was done by using a D-optimal mixture design of experiments (DoE) which was analyzed by multiple linear regression.
- Full Text:
- Date Issued: 2014
South African criminal justice : a paradigm shift to victim-centred restorative justice?
- Authors: Apollos, Dumisani
- Date: 2014
- Subjects: Restorative justice -- South Africa , Apartheid -- South Africa -- History , Democracy -- South Africa
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:10183 , http://hdl.handle.net/10948/d1020078
- Description: The focal point of this treatise is the evaluation of the paradigm shift that has taken place in our South African criminal justice system post 1994. This shift is seen as a move away from a retribution approach to a more victim-centred approach. One needs to remember that the previous regime had unfair and unjust laws: to do away with such laws an interim constitution1 was enacted in Parliament in 1993 and became operational on 27 April 1994. It was the fundamental law of South Africa. This was later repealed by the final Constitution 2 on 4 April 1997. In its preamble it states categorically that it seeks to establish a “society based on democratic values, social justice and fundamental human rights” and “(to) lay the foundations for a democratic and open society in which government is based on the will of the people and every citizen is equally protected by law”. One of the priorities of democratic government in 1996 was the National Crime Prevention Strategy3 (hereafter referred to as the NCPS). It was designed to reduce the high level of crime in our country and has four pillars: the criminal justice process; reducing crime through environmental design; public values and education and trans-national crime. Pillar one is seen as a move away from retribution as punishment towards a system of restorative justice 4. Furthermore the South African government is a signatory to various international laws, treaties and declarations that uphold victims’ rights. One example would be the United Nations Declaration on the Basic Principle of Justice for Victims of Crime and abuse of Power 1985 - in fact the Victims’ Charter is compliant with this declaration. Yet one cannot negate the fact that in the last two decades the status of victims has altered significantly: there has been some development in the transformation of the criminal justice system. Since 1994 the focus gradually shifted from an adversarial and retributive criminal justice to that of restorative justice. This shift is vindicated by following examples: the adoption of the NCPS; the Truth and Reconciliation Commission 5 (hereafter referred to as the TRC); the adoption of the Service Charter for Victims of Crime 6(hereafter referred to as the Victims’ Charter); the enactment of the Child Justice Act7; and case laws which applied restorative justice principles such as S v Maluleke and S v Saayman. Therefore this treatise will evaluate the application of a restorative system by looking at the definition of restorative justice; government commitments to the system; the enactment of Acts and policies that support the system. This will be done in relation to the victims.
- Full Text:
- Date Issued: 2014
- Authors: Apollos, Dumisani
- Date: 2014
- Subjects: Restorative justice -- South Africa , Apartheid -- South Africa -- History , Democracy -- South Africa
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:10183 , http://hdl.handle.net/10948/d1020078
- Description: The focal point of this treatise is the evaluation of the paradigm shift that has taken place in our South African criminal justice system post 1994. This shift is seen as a move away from a retribution approach to a more victim-centred approach. One needs to remember that the previous regime had unfair and unjust laws: to do away with such laws an interim constitution1 was enacted in Parliament in 1993 and became operational on 27 April 1994. It was the fundamental law of South Africa. This was later repealed by the final Constitution 2 on 4 April 1997. In its preamble it states categorically that it seeks to establish a “society based on democratic values, social justice and fundamental human rights” and “(to) lay the foundations for a democratic and open society in which government is based on the will of the people and every citizen is equally protected by law”. One of the priorities of democratic government in 1996 was the National Crime Prevention Strategy3 (hereafter referred to as the NCPS). It was designed to reduce the high level of crime in our country and has four pillars: the criminal justice process; reducing crime through environmental design; public values and education and trans-national crime. Pillar one is seen as a move away from retribution as punishment towards a system of restorative justice 4. Furthermore the South African government is a signatory to various international laws, treaties and declarations that uphold victims’ rights. One example would be the United Nations Declaration on the Basic Principle of Justice for Victims of Crime and abuse of Power 1985 - in fact the Victims’ Charter is compliant with this declaration. Yet one cannot negate the fact that in the last two decades the status of victims has altered significantly: there has been some development in the transformation of the criminal justice system. Since 1994 the focus gradually shifted from an adversarial and retributive criminal justice to that of restorative justice. This shift is vindicated by following examples: the adoption of the NCPS; the Truth and Reconciliation Commission 5 (hereafter referred to as the TRC); the adoption of the Service Charter for Victims of Crime 6(hereafter referred to as the Victims’ Charter); the enactment of the Child Justice Act7; and case laws which applied restorative justice principles such as S v Maluleke and S v Saayman. Therefore this treatise will evaluate the application of a restorative system by looking at the definition of restorative justice; government commitments to the system; the enactment of Acts and policies that support the system. This will be done in relation to the victims.
- Full Text:
- Date Issued: 2014
Synthesis of ytterbium bisphthalocyanines
- Sekhosana, Kutloana E, Nyokong, Tebello
- Authors: Sekhosana, Kutloana E , Nyokong, Tebello
- Date: 2014
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/189887 , vital:44943 , xlink:href="https://doi.org/10.1016/j.optmat.2014.05.013"
- Description: Herein we report on the syntheses, photophysico-chemical properties and nonlinear absorption parameters of bis-{1(4), 8(11), 15(18), 22(25)-(tetrapyridin-2-yloxy phthalocyaninato)} ytterbium (III) (3) and bis-{1(4), 8(11), 15(18), 22(25)-(tetrapyridin-4-yloxy phthalocyaninato)} ytterbium (III) (4). The fluorescence and singlet oxygen quantum yields obtained for complexes 3 and 4 are low. The triplet quantum yield obtained for complex 3 is high at ΦT = 0.89 whereas for complex 4 ΦT = 0.48. The third order optical susceptibility values are of the order: 10−11 esu (for complex 3), and 10−13 esu (for complex 4) while the hyperpolarizability values are of the order: 10−28 esu (for complex 3) and 10−31 esu (for complex 4). Complexes 3 and 4 show two-photon absorption coefficients of the order of 10−46 cm4 s/photon and 10−48 cm4 s/photon, and threshold intensities as low as 0.3 J cm−2 and 0.0045 J cm−2, respectively.
- Full Text:
- Date Issued: 2014
- Authors: Sekhosana, Kutloana E , Nyokong, Tebello
- Date: 2014
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/189887 , vital:44943 , xlink:href="https://doi.org/10.1016/j.optmat.2014.05.013"
- Description: Herein we report on the syntheses, photophysico-chemical properties and nonlinear absorption parameters of bis-{1(4), 8(11), 15(18), 22(25)-(tetrapyridin-2-yloxy phthalocyaninato)} ytterbium (III) (3) and bis-{1(4), 8(11), 15(18), 22(25)-(tetrapyridin-4-yloxy phthalocyaninato)} ytterbium (III) (4). The fluorescence and singlet oxygen quantum yields obtained for complexes 3 and 4 are low. The triplet quantum yield obtained for complex 3 is high at ΦT = 0.89 whereas for complex 4 ΦT = 0.48. The third order optical susceptibility values are of the order: 10−11 esu (for complex 3), and 10−13 esu (for complex 4) while the hyperpolarizability values are of the order: 10−28 esu (for complex 3) and 10−31 esu (for complex 4). Complexes 3 and 4 show two-photon absorption coefficients of the order of 10−46 cm4 s/photon and 10−48 cm4 s/photon, and threshold intensities as low as 0.3 J cm−2 and 0.0045 J cm−2, respectively.
- Full Text:
- Date Issued: 2014
Factors impacting Tablet PC usage in low-income communities
- Authors: Meiring, Natalie
- Date: 2014
- Subjects: Information technology -- Economic aspects , Information technology -- Social aspects
- Language: English
- Type: Thesis , Masters , MTech
- Identifier: http://hdl.handle.net/10948/4642 , vital:20625
- Description: The purpose of this research was to identify factors that impact on tablet PC usage in low-income communities. In order to determine and identify these factors a main research question and sub-research questions were formulated. The primary research question of this study was "What factors impact on tablet PC usage in low-income communities?" This main research question was answered by creating three sub-research questions followed by triangulating the results from these questions. The first sub-research question was aimed at determining whether prior exposure to touch screen technology impacts the user experience. In order to reach this objective an extensive literature review was conducted on the tablet PC landscape in South Africa. This literature review, coupled with the case study helped answer this first research question. The second sub-research question was concerned with determining whether existing user experience guidelines are relevant to South African users. A thorough literature review was conducted on user experience guidelines and related studies. This literature review, together with the results from the case study helped answer this second research question. The third sub-research question involved identifying specific factors which help improve the user experience of tablet PC users in a specific context. This research question was addressed in the case study. Each sub-research question provided results which were analysed in order to answer the main research question. The factors which impact on tablet PC usage were thus identified and recommendations were proposed.
- Full Text:
- Date Issued: 2014
- Authors: Meiring, Natalie
- Date: 2014
- Subjects: Information technology -- Economic aspects , Information technology -- Social aspects
- Language: English
- Type: Thesis , Masters , MTech
- Identifier: http://hdl.handle.net/10948/4642 , vital:20625
- Description: The purpose of this research was to identify factors that impact on tablet PC usage in low-income communities. In order to determine and identify these factors a main research question and sub-research questions were formulated. The primary research question of this study was "What factors impact on tablet PC usage in low-income communities?" This main research question was answered by creating three sub-research questions followed by triangulating the results from these questions. The first sub-research question was aimed at determining whether prior exposure to touch screen technology impacts the user experience. In order to reach this objective an extensive literature review was conducted on the tablet PC landscape in South Africa. This literature review, coupled with the case study helped answer this first research question. The second sub-research question was concerned with determining whether existing user experience guidelines are relevant to South African users. A thorough literature review was conducted on user experience guidelines and related studies. This literature review, together with the results from the case study helped answer this second research question. The third sub-research question involved identifying specific factors which help improve the user experience of tablet PC users in a specific context. This research question was addressed in the case study. Each sub-research question provided results which were analysed in order to answer the main research question. The factors which impact on tablet PC usage were thus identified and recommendations were proposed.
- Full Text:
- Date Issued: 2014
Professional nurses’ perceptions on quality patient care in one of the Eastern Cape state hospitals
- Authors: Somahela, Khanyisa Judith
- Date: 2014
- Language: English
- Type: Thesis , Masters , MSc (Nursing Science)
- Identifier: vital:11353 , http://hdl.handle.net/10353/d1021141
- Description: The focus of this study was to explore the perceptions of professional nurses in the quality of care rendered by nurses in the public hospitals. Nursing is a challenging, demanding, and yet fulfilling profession, whose goal is to provide quality care to individuals, families and communities. However, there are inconsistencies regarding the quality of care rendered by nurses in the public hospitals. The media and the public portray nurses as providing poor quality care in the health care facilities. Conversely, the nurses view that they are doing their best, considering the challenging circumstances under which they work in public institutions.The study followed a qualitative approach and an exploratory descriptive design. A purposive sample of 13 professional nurses participated in the study. The sample size was not pre-determined. Data were collected until data saturation, when the interviews yielded no new information. The study was conducted in a state hospital in the Eastern Cape, using an interview guide. Responses were recorded using a tape recorder. No incentives were given to participants. Data were collected and analysed following the Tesch’s method. Prior to conducting the study, the researcher obtained ethical clearance from the University of Fort Hare research ethics committee. The perceptions of the professional nurses who participated in this study were inconsistent. The majority pointed out that the quality of patient care was deteriorating which means the patient care is poor. whereas some participants indicated that the quality of patient care was still the same; it had not changed or deteriorated, The contributing factors to the poor quality patient care were indicated as; shortage of staff, shortage of resources such as equipment, inadequate empowerment of staff, insufficient training of students, staff arriving late for duties, lack of passion their work, skipping and missing of routines, support service that was not working hand in hand with the nursing staff, increased hospitalization of patients and the Eastern cape Department of Health failing to remunerate the nurses as promised.
- Full Text:
- Date Issued: 2014
- Authors: Somahela, Khanyisa Judith
- Date: 2014
- Language: English
- Type: Thesis , Masters , MSc (Nursing Science)
- Identifier: vital:11353 , http://hdl.handle.net/10353/d1021141
- Description: The focus of this study was to explore the perceptions of professional nurses in the quality of care rendered by nurses in the public hospitals. Nursing is a challenging, demanding, and yet fulfilling profession, whose goal is to provide quality care to individuals, families and communities. However, there are inconsistencies regarding the quality of care rendered by nurses in the public hospitals. The media and the public portray nurses as providing poor quality care in the health care facilities. Conversely, the nurses view that they are doing their best, considering the challenging circumstances under which they work in public institutions.The study followed a qualitative approach and an exploratory descriptive design. A purposive sample of 13 professional nurses participated in the study. The sample size was not pre-determined. Data were collected until data saturation, when the interviews yielded no new information. The study was conducted in a state hospital in the Eastern Cape, using an interview guide. Responses were recorded using a tape recorder. No incentives were given to participants. Data were collected and analysed following the Tesch’s method. Prior to conducting the study, the researcher obtained ethical clearance from the University of Fort Hare research ethics committee. The perceptions of the professional nurses who participated in this study were inconsistent. The majority pointed out that the quality of patient care was deteriorating which means the patient care is poor. whereas some participants indicated that the quality of patient care was still the same; it had not changed or deteriorated, The contributing factors to the poor quality patient care were indicated as; shortage of staff, shortage of resources such as equipment, inadequate empowerment of staff, insufficient training of students, staff arriving late for duties, lack of passion their work, skipping and missing of routines, support service that was not working hand in hand with the nursing staff, increased hospitalization of patients and the Eastern cape Department of Health failing to remunerate the nurses as promised.
- Full Text:
- Date Issued: 2014
Factors influencing ecological sustainability in the ostrich industry in the Little Karoo, South Africa
- Authors: Wheeler, Anita
- Date: 2014
- Subjects: Ostrich farms -- South Africa -- Little Karoo , Land degradation -- South Africa -- Little Karoo , Land use -- South Africa -- Little Karoo , Land degradation -- Environmental aspects -- South Africa -- Little Karoo , Conservation of natural resources -- South Africa -- Little Karoo , Sustainable development -- South Africa -- Little Karoo , Sustainable agriculture -- South Africa -- Little Karoo
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:4259 , http://hdl.handle.net/10962/d1011741 , Ostrich farms -- South Africa -- Little Karoo , Land degradation -- South Africa -- Little Karoo , Land use -- South Africa -- Little Karoo , Land degradation -- Environmental aspects -- South Africa -- Little Karoo , Conservation of natural resources -- South Africa -- Little Karoo , Sustainable development -- South Africa -- Little Karoo , Sustainable agriculture -- South Africa -- Little Karoo
- Description: The Little Karoo, situated in the Succulent Karoo biome of South Africa, has been heavily transformed by land use, and only 8.6% of the remaining natural vegetation is considered to be intact. There is ample evidence that the main cause of degradation is the overstocking of ostriches, an industry that has been the major economic driver of the area for more than 150 years. The ostrich stocking rate currently recommended is 22 ha.ostrich⁻¹. A literature review was used to examine the evidence, assumptions and rationale on which recommended and actually implemented stocking rates for ostriches are based. No experimental evidence using ostriches was found that supported the recommended stocking rate as either ecologically or economically sustainable. From the literature, there appears to be a wide gap between what are considered to be economically and ecologically sustainable stocking rates, with the implication that these two aims may be impossible to reconcile when practicing ostrich farming on natural veld. A comparison of recommended with actual stocking rates among land managers in the Little Karoo showed that all land managers far exceeded the recommended agricultural stocking rate of 22.8 ha.ostrich⁻¹. However, the stocking rates reported by land managers to the South African Ostrich Business Chamber were found to accurately reflect actual numbers determined when whole flocks had to be slaughtered after an outbreak of avian influenza. The recommended stocking rate appeared to be irrelevant to ostrich flock breeders and there appeared to be a trade-off between profitable ostrich farming and sustainable land-use practices. This study also investigated the attitudes and behaviour of ostrich farmers. It was found that environmental attitude is most likely the most important characteristic of a land manager to ensure positive conservation behaviour. This characteristic was most prominent in younger land managers with larger farms. The last component of the study integrated the context and complexity of the long term social, economic and ecological sustainability of this industry through the development of a logic model. The results showed a general lack of linkages between industry elements which impact on achieving sustainability targets. Greater collaboration between industry role-players, organized agriculture and conservation organizations is required to find a balance between utilization and conservation in the ostrich industry.
- Full Text:
- Date Issued: 2014
- Authors: Wheeler, Anita
- Date: 2014
- Subjects: Ostrich farms -- South Africa -- Little Karoo , Land degradation -- South Africa -- Little Karoo , Land use -- South Africa -- Little Karoo , Land degradation -- Environmental aspects -- South Africa -- Little Karoo , Conservation of natural resources -- South Africa -- Little Karoo , Sustainable development -- South Africa -- Little Karoo , Sustainable agriculture -- South Africa -- Little Karoo
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:4259 , http://hdl.handle.net/10962/d1011741 , Ostrich farms -- South Africa -- Little Karoo , Land degradation -- South Africa -- Little Karoo , Land use -- South Africa -- Little Karoo , Land degradation -- Environmental aspects -- South Africa -- Little Karoo , Conservation of natural resources -- South Africa -- Little Karoo , Sustainable development -- South Africa -- Little Karoo , Sustainable agriculture -- South Africa -- Little Karoo
- Description: The Little Karoo, situated in the Succulent Karoo biome of South Africa, has been heavily transformed by land use, and only 8.6% of the remaining natural vegetation is considered to be intact. There is ample evidence that the main cause of degradation is the overstocking of ostriches, an industry that has been the major economic driver of the area for more than 150 years. The ostrich stocking rate currently recommended is 22 ha.ostrich⁻¹. A literature review was used to examine the evidence, assumptions and rationale on which recommended and actually implemented stocking rates for ostriches are based. No experimental evidence using ostriches was found that supported the recommended stocking rate as either ecologically or economically sustainable. From the literature, there appears to be a wide gap between what are considered to be economically and ecologically sustainable stocking rates, with the implication that these two aims may be impossible to reconcile when practicing ostrich farming on natural veld. A comparison of recommended with actual stocking rates among land managers in the Little Karoo showed that all land managers far exceeded the recommended agricultural stocking rate of 22.8 ha.ostrich⁻¹. However, the stocking rates reported by land managers to the South African Ostrich Business Chamber were found to accurately reflect actual numbers determined when whole flocks had to be slaughtered after an outbreak of avian influenza. The recommended stocking rate appeared to be irrelevant to ostrich flock breeders and there appeared to be a trade-off between profitable ostrich farming and sustainable land-use practices. This study also investigated the attitudes and behaviour of ostrich farmers. It was found that environmental attitude is most likely the most important characteristic of a land manager to ensure positive conservation behaviour. This characteristic was most prominent in younger land managers with larger farms. The last component of the study integrated the context and complexity of the long term social, economic and ecological sustainability of this industry through the development of a logic model. The results showed a general lack of linkages between industry elements which impact on achieving sustainability targets. Greater collaboration between industry role-players, organized agriculture and conservation organizations is required to find a balance between utilization and conservation in the ostrich industry.
- Full Text:
- Date Issued: 2014
Synthesis, characterization, and biological studies of pyrazolone Schiff bases and their transition metal complexes
- Authors: Idemudia, Omoruyi Gold
- Date: 2014
- Language: English
- Type: Thesis , Doctoral , PhD (Chemistry)
- Identifier: vital:11340 , http://hdl.handle.net/10353/d1016068
- Description: Some new acylpyrazolone Schiff bases have been synthesized from the condensation reaction of two acylpyrazolone diketone precursors with phenylhydrazine, 2,4-dinitrophenylhydrazine and sulfanilamide. They have been fully characterized by elemental analysis and spectroscopic techniques (IR,1H and 13C NMR, and mass-spectra). The single crystal structure of the benzoyl derivative acylpyrazolone Schiff bases have been obtained and analyzed by X-ray crystallography technique. Solid state X-ray diffraction revealed a keto tautomer Schiff base in solid state. Mn(II), Co(II), Ni(II) and Cu(II) complexes with the Schiff bases have been synthesized and characterized by elemental analysis, IR and UV-VIS spectroscopy, magnetic susceptibility measurements, and thermal studies (TGA and DTG). An octahedral geometry around the transition metal ion, consisting of two bidentate Schiff base ligands bonding through the azometine nitrogen and ketonic oxygen have been proposed based on careful interpretation of available analytical and spectroscopic characterization results. Two water molecules as ligands complete the octahedral geometry in all cases. Using the invitro disc diffusion method for screening synthesized compounds against selected gram positive and gram negative bacterial at 40 mg/mL, and the DPPH free radical scavenging methods at 0.50, 0.25 and 0.13 mg/mL, the synthesized Schiff base and metal complexes showed varying biological activities. 4-benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one sul29 fanilamide showed more activity generally, exhibiting a broad spectrum activity against all selected bacterial in some cases. Mn(II), Co(II) and Ni(II) complexes of sulfanilamide Schiff base with the acetylpyrazolone derivative 4-acetyl-3-methyl-1-phenyl-2-pyrazolin-5-one sulfanilamide, exhibited a stronger and very good DPPH radical scavenging activity as good as ascorbic acid on comparing, but not with Cu(II). As such they could be important antitumour candidates.
- Full Text:
- Date Issued: 2014
- Authors: Idemudia, Omoruyi Gold
- Date: 2014
- Language: English
- Type: Thesis , Doctoral , PhD (Chemistry)
- Identifier: vital:11340 , http://hdl.handle.net/10353/d1016068
- Description: Some new acylpyrazolone Schiff bases have been synthesized from the condensation reaction of two acylpyrazolone diketone precursors with phenylhydrazine, 2,4-dinitrophenylhydrazine and sulfanilamide. They have been fully characterized by elemental analysis and spectroscopic techniques (IR,1H and 13C NMR, and mass-spectra). The single crystal structure of the benzoyl derivative acylpyrazolone Schiff bases have been obtained and analyzed by X-ray crystallography technique. Solid state X-ray diffraction revealed a keto tautomer Schiff base in solid state. Mn(II), Co(II), Ni(II) and Cu(II) complexes with the Schiff bases have been synthesized and characterized by elemental analysis, IR and UV-VIS spectroscopy, magnetic susceptibility measurements, and thermal studies (TGA and DTG). An octahedral geometry around the transition metal ion, consisting of two bidentate Schiff base ligands bonding through the azometine nitrogen and ketonic oxygen have been proposed based on careful interpretation of available analytical and spectroscopic characterization results. Two water molecules as ligands complete the octahedral geometry in all cases. Using the invitro disc diffusion method for screening synthesized compounds against selected gram positive and gram negative bacterial at 40 mg/mL, and the DPPH free radical scavenging methods at 0.50, 0.25 and 0.13 mg/mL, the synthesized Schiff base and metal complexes showed varying biological activities. 4-benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one sul29 fanilamide showed more activity generally, exhibiting a broad spectrum activity against all selected bacterial in some cases. Mn(II), Co(II) and Ni(II) complexes of sulfanilamide Schiff base with the acetylpyrazolone derivative 4-acetyl-3-methyl-1-phenyl-2-pyrazolin-5-one sulfanilamide, exhibited a stronger and very good DPPH radical scavenging activity as good as ascorbic acid on comparing, but not with Cu(II). As such they could be important antitumour candidates.
- Full Text:
- Date Issued: 2014