Radioluminescence of annealed synthetic quartz
- Chithambo, Makaiko L, Niyonzima, P
- Authors: Chithambo, Makaiko L , Niyonzima, P
- Date: 2017
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/115504 , vital:34150 , https://doi.org/10.1016/j.radmeas.2017.02.005
- Description: The radioluminescence of synthetic quartz annealed at various temperatures up to 1000 °C is reported. The amplitude of the emission bands increases with annealing temperature. In addition, when samples are annealed at temperatures exceeding 700 °C, the intensity of the radioluminescence increases with duration of annealing. The corresponding emission spectra show seven emission bands at 2.04, 2.54, 2.77, 3.04, 3.40, 3.75 and 3.91 eV. The change in dominant emission band with annealing is consistent with annealing-induced variations in lifetimes determined previously from time-resolved optically stimulated luminescence spectra in the same samples.
- Full Text: false
- Date Issued: 2017
- Authors: Chithambo, Makaiko L , Niyonzima, P
- Date: 2017
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/115504 , vital:34150 , https://doi.org/10.1016/j.radmeas.2017.02.005
- Description: The radioluminescence of synthetic quartz annealed at various temperatures up to 1000 °C is reported. The amplitude of the emission bands increases with annealing temperature. In addition, when samples are annealed at temperatures exceeding 700 °C, the intensity of the radioluminescence increases with duration of annealing. The corresponding emission spectra show seven emission bands at 2.04, 2.54, 2.77, 3.04, 3.40, 3.75 and 3.91 eV. The change in dominant emission band with annealing is consistent with annealing-induced variations in lifetimes determined previously from time-resolved optically stimulated luminescence spectra in the same samples.
- Full Text: false
- Date Issued: 2017
Sarqaquinoic acid and related synthetic naphthoquinones inhibit the function of Hsp90
- Chiwakata, M, de la Mare, Jo-Anne, Edkins, Adrienne L, Beukes, Denzil R
- Authors: Chiwakata, M , de la Mare, Jo-Anne , Edkins, Adrienne L , Beukes, Denzil R
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66324 , vital:28933 , https://doi.org/10.1055/s-0036-1596751
- Description: publisher version , Heat shock protein 90 (Hsp90) is of critical importance in the proper folding of numerous proteins, including those involved in cancer. Consequently, there is significant interest in the discovery and development of Hsp90 inhibitors as anticancer drugs. In this study, we investigated the ability of sargaquinoic acid (SQA) and selected naphthoquinone derivatives to inhibit Hsp90 function. SQA was isolated and purified from Sargassum incisifolium while the naphthoquinones were synthesised via a straightforward sequence incorporating a Diels-Alder reaction between benzoquinone derivatives and myrcene followed by coupling with substituted alkyl or arylamines. Hsp90 inhibition was assessed by a client protein degradation assay. At a concentration of 1µM, SQA showed almost complete inhibition of Hsp90 but only moderate antiproliferative effects (IC50 658µM) against a Hs578T breast cancer carcinoma cell line. Interestingly, the most potent synthetic aminonaphthoquinone inhibited Hsp90 function by 50% at a concentration of 1µM but showed much improved activity against the Hs578T cell line (IC50 0.32µM). Furthermore, unlike geldanamycin, none of the compounds tested upregulates Hsp70 suggesting that these compounds may bind to the C-terminal end of Hsp90.
- Full Text: false
- Date Issued: 2016
- Authors: Chiwakata, M , de la Mare, Jo-Anne , Edkins, Adrienne L , Beukes, Denzil R
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66324 , vital:28933 , https://doi.org/10.1055/s-0036-1596751
- Description: publisher version , Heat shock protein 90 (Hsp90) is of critical importance in the proper folding of numerous proteins, including those involved in cancer. Consequently, there is significant interest in the discovery and development of Hsp90 inhibitors as anticancer drugs. In this study, we investigated the ability of sargaquinoic acid (SQA) and selected naphthoquinone derivatives to inhibit Hsp90 function. SQA was isolated and purified from Sargassum incisifolium while the naphthoquinones were synthesised via a straightforward sequence incorporating a Diels-Alder reaction between benzoquinone derivatives and myrcene followed by coupling with substituted alkyl or arylamines. Hsp90 inhibition was assessed by a client protein degradation assay. At a concentration of 1µM, SQA showed almost complete inhibition of Hsp90 but only moderate antiproliferative effects (IC50 658µM) against a Hs578T breast cancer carcinoma cell line. Interestingly, the most potent synthetic aminonaphthoquinone inhibited Hsp90 function by 50% at a concentration of 1µM but showed much improved activity against the Hs578T cell line (IC50 0.32µM). Furthermore, unlike geldanamycin, none of the compounds tested upregulates Hsp70 suggesting that these compounds may bind to the C-terminal end of Hsp90.
- Full Text: false
- Date Issued: 2016
Patriarchy, women, land and livelihoods on A1 farms in Zimbabwe
- Chiweshe, Manase K, Chakona, Loveness, Helliker, Kirk D
- Authors: Chiweshe, Manase K , Chakona, Loveness , Helliker, Kirk D
- Date: 2015
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/71204 , vital:29812 , https://doi.org/10.1177/0021909614541083
- Description: In this article, we focus on patriarchy, women, land and livelihoods on A1 farms in Zimbabwe which arose from the fast track land reform programme. There is now significant literature on A1 farms in Zimbabwe. These studies include a number of ethnographic and comparative studies but this literature does not give sustained attention to patriarchy and women. In addition, though, a small number of works have appeared based upon a more focused gender analysis. We draw upon this more focused literature and offer fresh fieldwork evidence based on recent studies undertaken by two of the authors, in Goromonzi and Mazowe districts. At times, radical socio-spatial reorganisation such as fast track may destabilise systems of patriarchy. In the case of fast track, there has been a reconfiguration of relations between men and women yet this is uneven and contradictory and remains within the confines of patriarchal structures, practices and discourses. At the same time, women have manoeuvred and negotiated at local levels to enhance their lives and livelihoods.
- Full Text: false
- Date Issued: 2015
- Authors: Chiweshe, Manase K , Chakona, Loveness , Helliker, Kirk D
- Date: 2015
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/71204 , vital:29812 , https://doi.org/10.1177/0021909614541083
- Description: In this article, we focus on patriarchy, women, land and livelihoods on A1 farms in Zimbabwe which arose from the fast track land reform programme. There is now significant literature on A1 farms in Zimbabwe. These studies include a number of ethnographic and comparative studies but this literature does not give sustained attention to patriarchy and women. In addition, though, a small number of works have appeared based upon a more focused gender analysis. We draw upon this more focused literature and offer fresh fieldwork evidence based on recent studies undertaken by two of the authors, in Goromonzi and Mazowe districts. At times, radical socio-spatial reorganisation such as fast track may destabilise systems of patriarchy. In the case of fast track, there has been a reconfiguration of relations between men and women yet this is uneven and contradictory and remains within the confines of patriarchal structures, practices and discourses. At the same time, women have manoeuvred and negotiated at local levels to enhance their lives and livelihoods.
- Full Text: false
- Date Issued: 2015
Knowledge-building: educational studies in Legitimation Code Theory
- Authors: Clarence, Sherran
- Date: 2016
- Language: English
- Type: book review , text
- Identifier: http://hdl.handle.net/10962/61300 , vital:28013 , http://dx.doi.org/10.1080/14703297.2016.1231751
- Description: A challenge facing higher education researchers, especially those new to the craft of research, is that of moving between theory and data effectively in order to mediate research findings clearly to readers. For postgraduate students and academics publishing their research, working with data and designing effective and fit-for-purpose methodologies can be a challenge. Moreover, this is not necessarily an easy area for supervisors and research mentors to assist with. In addition to researchers, practitioners working in academic development also need ways of using research – either empirical or conceptual – to augment their work with lecturers to improve teaching and learning. There are many handbooks that detail the differences between qualitative, quantitative and mixed-methods research. There are many theoretical texts to choose from. But there are few texts that offer researchers and those mentoring researchers insight into how methodology and theory connect in research studies, as well as practical tools to navigate the chaos of research, bringing theory and data into conversation in relevant and problem-oriented ways that can influence practice effectively. Karl Maton, in his introduction to this edited collection, argues that in spite of many claims within educational and social research for the need to connect research with theory more effectively, ‘the two frequently remain divorced or, at best, not on speaking terms’ (p. 1). The central premise of the book flows from this: we need to move beyond calls for more theory-informed research into education and society towards generating ways of demonstrating enactments of research that bring theory and research together meaningfully. The need for the research we publish to make clear its theoretical and methodological underpinning and enactments is crucial for effecting sustainable and meaningful change in practice within the field. This text, located within the growing field of Legitimation Code Theory (LCT) research, within the broader field of sociology of education, takes a generous step in that direction. Building on Maton’s 2014 text, Knowledge and knowers. Towards a realist sociology of education, this text delves into how LCT concepts – particularly in the dimensions of Specialisation and Semantics – can be enacted within educational research and practice.
- Full Text: false
- Date Issued: 2016
- Authors: Clarence, Sherran
- Date: 2016
- Language: English
- Type: book review , text
- Identifier: http://hdl.handle.net/10962/61300 , vital:28013 , http://dx.doi.org/10.1080/14703297.2016.1231751
- Description: A challenge facing higher education researchers, especially those new to the craft of research, is that of moving between theory and data effectively in order to mediate research findings clearly to readers. For postgraduate students and academics publishing their research, working with data and designing effective and fit-for-purpose methodologies can be a challenge. Moreover, this is not necessarily an easy area for supervisors and research mentors to assist with. In addition to researchers, practitioners working in academic development also need ways of using research – either empirical or conceptual – to augment their work with lecturers to improve teaching and learning. There are many handbooks that detail the differences between qualitative, quantitative and mixed-methods research. There are many theoretical texts to choose from. But there are few texts that offer researchers and those mentoring researchers insight into how methodology and theory connect in research studies, as well as practical tools to navigate the chaos of research, bringing theory and data into conversation in relevant and problem-oriented ways that can influence practice effectively. Karl Maton, in his introduction to this edited collection, argues that in spite of many claims within educational and social research for the need to connect research with theory more effectively, ‘the two frequently remain divorced or, at best, not on speaking terms’ (p. 1). The central premise of the book flows from this: we need to move beyond calls for more theory-informed research into education and society towards generating ways of demonstrating enactments of research that bring theory and research together meaningfully. The need for the research we publish to make clear its theoretical and methodological underpinning and enactments is crucial for effecting sustainable and meaningful change in practice within the field. This text, located within the growing field of Legitimation Code Theory (LCT) research, within the broader field of sociology of education, takes a generous step in that direction. Building on Maton’s 2014 text, Knowledge and knowers. Towards a realist sociology of education, this text delves into how LCT concepts – particularly in the dimensions of Specialisation and Semantics – can be enacted within educational research and practice.
- Full Text: false
- Date Issued: 2016
Surfing the waves of learning: enacting a Semantics analysis of teaching in a first-year Law course
- Authors: Clarence, Sherran
- Date: 2016
- Language: English
- Type: article , text
- Identifier: http://hdl.handle.net/10962/59816 , vital:27654 , https://doi.org/10.1080/07294360.2016.1263831
- Description: Students’ ability to build knowledge, and transfer it within and between contexts is crucial to cumulative learning and to academic success. This has long been a concern of higher education research and practice. A central part of this concern for educators is creating the conditions that enable their students' deep learning, as this is an area of significant struggle for many students. Legitimation Code Theory, in particular the dimension of Semantics, is proving useful in examining the kinds of conditions that may be necessary for students to build disciplinary knowledge cumulatively over time. Using illustrative data from one case study, this paper suggests that the conceptual tools offered by Semantics can provide academic lecturers and academic development staff with a set of conceptual and analytical tools which can enable them to ‘see’ and understand the ways in which knowledge can be cumulatively acquired and used, as well as the possible gaps between what they are teaching and what their students may be learning. The hope is that these new insights will provide new directions for change in teaching and learning where these may be needed.
- Full Text: false
- Date Issued: 2016
- Authors: Clarence, Sherran
- Date: 2016
- Language: English
- Type: article , text
- Identifier: http://hdl.handle.net/10962/59816 , vital:27654 , https://doi.org/10.1080/07294360.2016.1263831
- Description: Students’ ability to build knowledge, and transfer it within and between contexts is crucial to cumulative learning and to academic success. This has long been a concern of higher education research and practice. A central part of this concern for educators is creating the conditions that enable their students' deep learning, as this is an area of significant struggle for many students. Legitimation Code Theory, in particular the dimension of Semantics, is proving useful in examining the kinds of conditions that may be necessary for students to build disciplinary knowledge cumulatively over time. Using illustrative data from one case study, this paper suggests that the conceptual tools offered by Semantics can provide academic lecturers and academic development staff with a set of conceptual and analytical tools which can enable them to ‘see’ and understand the ways in which knowledge can be cumulatively acquired and used, as well as the possible gaps between what they are teaching and what their students may be learning. The hope is that these new insights will provide new directions for change in teaching and learning where these may be needed.
- Full Text: false
- Date Issued: 2016
Seeing yourself in a new light: crossing the threshold to “researcher"
- Authors: Clarence, Sherran
- Date: 2016
- Language: English
- Type: book chapter , text
- Identifier: http://hdl.handle.net/10962/61390 , vital:28021 , http://www.africansunmedia.co.za/Sun-e-Shop/tabid/78/ProductId/385/Default.aspx , http://dx.doi.org/10.17613/M6WW52
- Description: Writing, and the thinking, reading and analytical process that writers engage with to make writing possible, is transformative, and doctoral students in the social sciences especially tend to write themselves into their new identities as ‘doctors’ and recognised researchers. Much has been written in recent years about doctoral writing, including many advice books on how to write a ‘big-book’ or similar doctoral thesis into being. While some of the journal articles and books are helpful, and provide useful accounts of the complex challenges of writing a doctoral thesis, many of the advice books in particular focus more on the text itself, with the writer oddly under-accounted for. Recent research on, for example, doctoral writing groups and doctoral identity speaks into this gap helpfully, but much of it is written in contexts other than South Africa, and much of it is written for rather than by students going through or having recently completed a PhD process. This chapter contributes to a growing body of research and reflection on the role of writing itself in the process of becoming a ‘doctor’. Building on relevant blog posts and critical reflection through a research journal on my own transformative doctoral writing process at a South African university, this chapter will reflect on how challenging yet also potentially thrilling the writing process can be during a PhD. Readers will hopefully find in this chapter useful insights into their own process of becoming a doctor, and ideas for making their own ‘writing and becoming’ process more engaging and rewarding.
- Full Text: false
- Date Issued: 2016
- Authors: Clarence, Sherran
- Date: 2016
- Language: English
- Type: book chapter , text
- Identifier: http://hdl.handle.net/10962/61390 , vital:28021 , http://www.africansunmedia.co.za/Sun-e-Shop/tabid/78/ProductId/385/Default.aspx , http://dx.doi.org/10.17613/M6WW52
- Description: Writing, and the thinking, reading and analytical process that writers engage with to make writing possible, is transformative, and doctoral students in the social sciences especially tend to write themselves into their new identities as ‘doctors’ and recognised researchers. Much has been written in recent years about doctoral writing, including many advice books on how to write a ‘big-book’ or similar doctoral thesis into being. While some of the journal articles and books are helpful, and provide useful accounts of the complex challenges of writing a doctoral thesis, many of the advice books in particular focus more on the text itself, with the writer oddly under-accounted for. Recent research on, for example, doctoral writing groups and doctoral identity speaks into this gap helpfully, but much of it is written in contexts other than South Africa, and much of it is written for rather than by students going through or having recently completed a PhD process. This chapter contributes to a growing body of research and reflection on the role of writing itself in the process of becoming a ‘doctor’. Building on relevant blog posts and critical reflection through a research journal on my own transformative doctoral writing process at a South African university, this chapter will reflect on how challenging yet also potentially thrilling the writing process can be during a PhD. Readers will hopefully find in this chapter useful insights into their own process of becoming a doctor, and ideas for making their own ‘writing and becoming’ process more engaging and rewarding.
- Full Text: false
- Date Issued: 2016
Exploring the nature of disciplinary teaching and learning using Legitimation Code Theory Semantics
- Authors: Clarence, Sherran
- Date: 2016
- Language: English
- Type: article , text
- Identifier: http://hdl.handle.net/10962/61314 , vital:28014 , https://doi.org/10.1080/13562517.2015.1115972
- Full Text: false
- Date Issued: 2016
- Authors: Clarence, Sherran
- Date: 2016
- Language: English
- Type: article , text
- Identifier: http://hdl.handle.net/10962/61314 , vital:28014 , https://doi.org/10.1080/13562517.2015.1115972
- Full Text: false
- Date Issued: 2016
Ways of belonging: meanings of “Nature” among Xhosa-speaking township residents in South Africa
- Cocks, Michelle L, Alexander, Jamie K, Mogano, Lydia, Vetter, Susan M
- Authors: Cocks, Michelle L , Alexander, Jamie K , Mogano, Lydia , Vetter, Susan M
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66021 , vital:28877 , https://doi.org/10.2993/0278-0771-36.4.820
- Description: publisher version , The concept of biocultural diversity, originally used to describe indigenous people and their ways of using and managing natural resources, has more recently been applied within the urban context to understand the variability of interactions between humans and nature. Significant progress has been made internationally in acknowledging the need to preserve and maintain green spaces in urban environments. Current efforts to address the need for greening urban areas in South Africa primarily focus on the establishment and maintenance of botanical gardens and parks as well as various green belts within the urban landscape. South Africa's urban areas are overwhelmingly shaped by the historical segregation of space and stark disparities in wealth. The distribution, quality, and extent of urban green spaces reflect this. Many township dwellers do not have access to these amenities and their interactions with nature are thus usually constrained to access to municipal commonages. This article explores how areas of natural vegetation in municipal commonages on the outskirts of urban centers in South Africa continue to offer places of cultural, spiritual, and restorative importance to Xhosa-speaking township dwellers. A case study from Grahamstown, an urban center in the Eastern Cape with a population of around 80,000, illustrates how ability to access and move through such places contributes to people's well-being, identity formation, and shared heritage. A case is made for adopting a biocultural diversity approach to spatial planning and urban development within the South African context.
- Full Text: false
- Date Issued: 2016
- Authors: Cocks, Michelle L , Alexander, Jamie K , Mogano, Lydia , Vetter, Susan M
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/66021 , vital:28877 , https://doi.org/10.2993/0278-0771-36.4.820
- Description: publisher version , The concept of biocultural diversity, originally used to describe indigenous people and their ways of using and managing natural resources, has more recently been applied within the urban context to understand the variability of interactions between humans and nature. Significant progress has been made internationally in acknowledging the need to preserve and maintain green spaces in urban environments. Current efforts to address the need for greening urban areas in South Africa primarily focus on the establishment and maintenance of botanical gardens and parks as well as various green belts within the urban landscape. South Africa's urban areas are overwhelmingly shaped by the historical segregation of space and stark disparities in wealth. The distribution, quality, and extent of urban green spaces reflect this. Many township dwellers do not have access to these amenities and their interactions with nature are thus usually constrained to access to municipal commonages. This article explores how areas of natural vegetation in municipal commonages on the outskirts of urban centers in South Africa continue to offer places of cultural, spiritual, and restorative importance to Xhosa-speaking township dwellers. A case study from Grahamstown, an urban center in the Eastern Cape with a population of around 80,000, illustrates how ability to access and move through such places contributes to people's well-being, identity formation, and shared heritage. A case is made for adopting a biocultural diversity approach to spatial planning and urban development within the South African context.
- Full Text: false
- Date Issued: 2016
Film production incentives, employment transformation and domestic expenditure in South Africa: visualizing subsidy effectiveness
- Collins, Alan, Ishizaka, Alessio, Snowball, Jeanette D
- Authors: Collins, Alan , Ishizaka, Alessio , Snowball, Jeanette D
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/67456 , vital:29094 , https://doi.org/10.1080/10286632.2016.1255206
- Description: Publisher version , In 2004 the South African Department of Trade and Industry (DTI) introduced a Film and Television Production Rebate Programme. In order to qualify for the rebate, certain criteria have to be met including success in job creation and skills development within the industry, alongside a particular focus on the percentage of ‘historically disadvantaged individuals’ employed. This study sets out the issues associated with evaluating success in meeting these various criteria and is, to the best of our knowledge, the first study to apply multi-criteria visualization techniques to inform the evaluation of public subsidy effectiveness. The ‘PROMETHEE’ method is applied and apart from presenting project performance in a visually intuitive manner, the approach helps to clarify patterns of relative success, show where policy objectives are competing, and to identify project exemplars for more efficiently guiding future public support in the sector.
- Full Text: false
- Date Issued: 2016
- Authors: Collins, Alan , Ishizaka, Alessio , Snowball, Jeanette D
- Date: 2016
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/67456 , vital:29094 , https://doi.org/10.1080/10286632.2016.1255206
- Description: Publisher version , In 2004 the South African Department of Trade and Industry (DTI) introduced a Film and Television Production Rebate Programme. In order to qualify for the rebate, certain criteria have to be met including success in job creation and skills development within the industry, alongside a particular focus on the percentage of ‘historically disadvantaged individuals’ employed. This study sets out the issues associated with evaluating success in meeting these various criteria and is, to the best of our knowledge, the first study to apply multi-criteria visualization techniques to inform the evaluation of public subsidy effectiveness. The ‘PROMETHEE’ method is applied and apart from presenting project performance in a visually intuitive manner, the approach helps to clarify patterns of relative success, show where policy objectives are competing, and to identify project exemplars for more efficiently guiding future public support in the sector.
- Full Text: false
- Date Issued: 2016
Diagram of the farm Wilton, being a portion of the farm known as Hoffman's Kloof, granted under amended title to Henry Webb and Clement John Sneyd on the 26th day of July 1897, surveyed and beaconed by me according to regulations 19th July 1910
- Copeman
- Authors: Copeman
- Date: 1910
- Subjects: Farms -- South Africa -- Eastern Cape -- Maps. Maps , Albany (South Africa) -- Maps Maps , Wilton (Farm)-- South Africa -- Albany -- Maps Maps , Hoffman's Kloof (Farm)-- South Africa -- Albany -- Maps Maps
- Language: English
- Type: cartographic , map
- Identifier: http://hdl.handle.net/10962/56813 , vital:26826 , Cory Library for Humanities Research, Rhodes University Library, Grahamstown, South Africa MP543i , MP543i
- Description: In the Division of Albany, Field Cornetcy of Lower Riebeek.
- Full Text: false
- Date Issued: 1910
- Authors: Copeman
- Date: 1910
- Subjects: Farms -- South Africa -- Eastern Cape -- Maps. Maps , Albany (South Africa) -- Maps Maps , Wilton (Farm)-- South Africa -- Albany -- Maps Maps , Hoffman's Kloof (Farm)-- South Africa -- Albany -- Maps Maps
- Language: English
- Type: cartographic , map
- Identifier: http://hdl.handle.net/10962/56813 , vital:26826 , Cory Library for Humanities Research, Rhodes University Library, Grahamstown, South Africa MP543i , MP543i
- Description: In the Division of Albany, Field Cornetcy of Lower Riebeek.
- Full Text: false
- Date Issued: 1910
Diagram of the farm Wilton, being a portion of the farm known as Hoffman's Kloof
- Authors: Coperman, P
- Date: 1910
- Subjects: 1 inch = 200 Cape roods , 1 : 50000 30.5595° S, 22.9375° E , Albany (South Africa) Maps , Farms -- South Africa -- Eastern Cape Maps , Wilton (Farm) -- South Africa -- Eastern Cape Maps , Hoffman's Kloof (Farm) -- South Africa -- Eastern Cape Maps , Cape of Good Hope (South Africa) History 1795-1872 Maps , South Africa History 1836-1910 Maps
- Language: English
- Type: maps , digital maps , cartographic
- Identifier: http://hdl.handle.net/10962/112023 , vital:33539 , Cory Library for Humanities Research, Rhodes University Library, Grahamstown, South Africa , MP543.1
- Description: Diagram of the farm Wilton, being a portion of the farm known as Hoffman's Kloof, granted under amended title to Henry Webb and Clement John Sneyd on the 26th day of July 1897, surveyed and beaconed by me according to regulations 19th July 1910. P. Coperman. In the Division of Albany, Field Cornetcy of Lower Riebeek.
- Full Text: false
- Date Issued: 1910
- Authors: Coperman, P
- Date: 1910
- Subjects: 1 inch = 200 Cape roods , 1 : 50000 30.5595° S, 22.9375° E , Albany (South Africa) Maps , Farms -- South Africa -- Eastern Cape Maps , Wilton (Farm) -- South Africa -- Eastern Cape Maps , Hoffman's Kloof (Farm) -- South Africa -- Eastern Cape Maps , Cape of Good Hope (South Africa) History 1795-1872 Maps , South Africa History 1836-1910 Maps
- Language: English
- Type: maps , digital maps , cartographic
- Identifier: http://hdl.handle.net/10962/112023 , vital:33539 , Cory Library for Humanities Research, Rhodes University Library, Grahamstown, South Africa , MP543.1
- Description: Diagram of the farm Wilton, being a portion of the farm known as Hoffman's Kloof, granted under amended title to Henry Webb and Clement John Sneyd on the 26th day of July 1897, surveyed and beaconed by me according to regulations 19th July 1910. P. Coperman. In the Division of Albany, Field Cornetcy of Lower Riebeek.
- Full Text: false
- Date Issued: 1910
Dignitaries at the dedication by Bishop Sobukwe of the new church
- Cornwell, Paul Ingle, 1915-1991
- Authors: Cornwell, Paul Ingle, 1915-1991
- Date: 1956
- Subjects: Xhosa (African people) -- Social life and customs
- Language: English
- Type: Still image
- Identifier: vital:12186 , http://hdl.handle.net/10353/d1012609 , Xhosa (African people) -- Social life and customs
- Description: (L to R) Bishop Ernest Sobukwe, Fr Sidwell Mhlauli, Fr Hannington Gcanga, Fr Benjamin Gqabu, Mr Bright Titus, Fr Alfred Beresford, Mr Jordaan (Magistrate, Engcobo). Dignitaries at the dedication by Bishop Sobukwe of the new church
- Full Text: false
- Date Issued: 1956
- Authors: Cornwell, Paul Ingle, 1915-1991
- Date: 1956
- Subjects: Xhosa (African people) -- Social life and customs
- Language: English
- Type: Still image
- Identifier: vital:12186 , http://hdl.handle.net/10353/d1012609 , Xhosa (African people) -- Social life and customs
- Description: (L to R) Bishop Ernest Sobukwe, Fr Sidwell Mhlauli, Fr Hannington Gcanga, Fr Benjamin Gqabu, Mr Bright Titus, Fr Alfred Beresford, Mr Jordaan (Magistrate, Engcobo). Dignitaries at the dedication by Bishop Sobukwe of the new church
- Full Text: false
- Date Issued: 1956
Rosemary Smith - Inventory
- Cory Library for Humanities Research. Rhodes University, Black Sash (Society)
- Authors: Cory Library for Humanities Research. Rhodes University , Black Sash (Society)
- Date: 200u
- Subjects: Apartheid -- South Africa , South Africa -- Politics and government , Government Resistance to – South Africa , Black Sash (Society) -- Correspondence , Slabbert, F. van Zyl (Frederik van Zyl), 1940-2010 , Institute for a Democratic Alternative for South Africa (IDASA)
- Language: English
- Type: text , finding aid
- Identifier: vital:13968 , This item is held at the Cory Library for Humanities Research at Rhodes University. For further information contact cory@ru.ac.za. The digitisation of this image was made possible through a generous grant received from the Andrew W. Mellon Foundation 2014-2017. MS 20 004
- Description: Inventory of the Rosemary Smith Collection held at the Cory Library for Humanities Research at Rhodes University. The documents (mostly consisting of letters, articles and notes) were collected by Rosemary Smith, and relates to the work of the Black Sash during the Apartheid era in Grahamstown. Includes material relating to elections, detentions, marches and protests etc.
- Full Text:
- Date Issued: 200u
- Authors: Cory Library for Humanities Research. Rhodes University , Black Sash (Society)
- Date: 200u
- Subjects: Apartheid -- South Africa , South Africa -- Politics and government , Government Resistance to – South Africa , Black Sash (Society) -- Correspondence , Slabbert, F. van Zyl (Frederik van Zyl), 1940-2010 , Institute for a Democratic Alternative for South Africa (IDASA)
- Language: English
- Type: text , finding aid
- Identifier: vital:13968 , This item is held at the Cory Library for Humanities Research at Rhodes University. For further information contact cory@ru.ac.za. The digitisation of this image was made possible through a generous grant received from the Andrew W. Mellon Foundation 2014-2017. MS 20 004
- Description: Inventory of the Rosemary Smith Collection held at the Cory Library for Humanities Research at Rhodes University. The documents (mostly consisting of letters, articles and notes) were collected by Rosemary Smith, and relates to the work of the Black Sash during the Apartheid era in Grahamstown. Includes material relating to elections, detentions, marches and protests etc.
- Full Text:
- Date Issued: 200u
Protea roupelliae on slopes of southern Drakensberg
- Coutts, Syd, Skead, C J (Cuthbert John)
- Authors: Coutts, Syd , Skead, C J (Cuthbert John)
- Date: 1933
- Subjects: Protea roupelliae -- South Africa -- Photographs , Proteaceae -- South Africa -- Photographs
- Language: English
- Type: mixed material , photographs , landscape photographs
- Identifier: http://hdl.handle.net/10962/74582 , vital:30317
- Description: Caption: "Protea roupelliae on slopes of southern Drakensberg above Elliot. c.1933. Photo Syd Coutts."
- Full Text: false
- Date Issued: 1933
- Authors: Coutts, Syd , Skead, C J (Cuthbert John)
- Date: 1933
- Subjects: Protea roupelliae -- South Africa -- Photographs , Proteaceae -- South Africa -- Photographs
- Language: English
- Type: mixed material , photographs , landscape photographs
- Identifier: http://hdl.handle.net/10962/74582 , vital:30317
- Description: Caption: "Protea roupelliae on slopes of southern Drakensberg above Elliot. c.1933. Photo Syd Coutts."
- Full Text: false
- Date Issued: 1933
Protea roupelliae on slopes of southern Drakensberg
- Coutts, Syd, Skead, C J (Cuthbert John)
- Authors: Coutts, Syd , Skead, C J (Cuthbert John)
- Date: 1933
- Subjects: Protea roupelliae -- South Africa -- Photographs , Proteaceae -- South Africa -- Photographs
- Language: English
- Type: mixed material , photographs , landscape photographs
- Identifier: http://hdl.handle.net/10962/74592 , vital:30318
- Description: Caption: "Protea roupelliae on slopes of southern Drakensberg above Elliot. c.1933. Photo Syd Coutts."
- Full Text: false
- Date Issued: 1933
- Authors: Coutts, Syd , Skead, C J (Cuthbert John)
- Date: 1933
- Subjects: Protea roupelliae -- South Africa -- Photographs , Proteaceae -- South Africa -- Photographs
- Language: English
- Type: mixed material , photographs , landscape photographs
- Identifier: http://hdl.handle.net/10962/74592 , vital:30318
- Description: Caption: "Protea roupelliae on slopes of southern Drakensberg above Elliot. c.1933. Photo Syd Coutts."
- Full Text: false
- Date Issued: 1933
Protea roupelliae at top of southern Drakensberg
- Coutts, Syd, Skead, C J (Cuthbert John)
- Authors: Coutts, Syd , Skead, C J (Cuthbert John)
- Date: 1933
- Subjects: Protea roupelliae -- South Africa -- Photographs , Proteaceae -- South Africa -- Photographs
- Language: English
- Type: mixed material , photographs , landscape photographs
- Identifier: http://hdl.handle.net/10962/74606 , vital:30320
- Description: Caption: "Protea roupelliae adjacent to scrub bush forest in kloof at top of southern Drakensberg above Elliot. c.1933. Photo Syd Coutts."
- Full Text: false
- Date Issued: 1933
- Authors: Coutts, Syd , Skead, C J (Cuthbert John)
- Date: 1933
- Subjects: Protea roupelliae -- South Africa -- Photographs , Proteaceae -- South Africa -- Photographs
- Language: English
- Type: mixed material , photographs , landscape photographs
- Identifier: http://hdl.handle.net/10962/74606 , vital:30320
- Description: Caption: "Protea roupelliae adjacent to scrub bush forest in kloof at top of southern Drakensberg above Elliot. c.1933. Photo Syd Coutts."
- Full Text: false
- Date Issued: 1933
Protea roupelliae on slopes of southern Drakensberg
- Coutts, Syd, Skead, C J (Cuthbert John)
- Authors: Coutts, Syd , Skead, C J (Cuthbert John)
- Date: 1933
- Subjects: Protea roupelliae -- South Africa -- Photographs , Proteaceae -- South Africa -- Photographs
- Language: English
- Type: mixed material , photographs , landscape photographs
- Identifier: http://hdl.handle.net/10962/74599 , vital:30319
- Description: Caption: "Protea roupelliae on slopes of southern Drakensberg above Elliot. c.1933. Photo Syd Coutts."
- Full Text: false
- Date Issued: 1933
- Authors: Coutts, Syd , Skead, C J (Cuthbert John)
- Date: 1933
- Subjects: Protea roupelliae -- South Africa -- Photographs , Proteaceae -- South Africa -- Photographs
- Language: English
- Type: mixed material , photographs , landscape photographs
- Identifier: http://hdl.handle.net/10962/74599 , vital:30319
- Description: Caption: "Protea roupelliae on slopes of southern Drakensberg above Elliot. c.1933. Photo Syd Coutts."
- Full Text: false
- Date Issued: 1933
The old and the new at Seymour
- Daily Dispatch (East London, South Africa)
- Authors: Daily Dispatch (East London, South Africa)
- Date: 1960-07-21
- Subjects: Trees -- South Africa -- Photographs , Seymour (South Africa) -- Photographs
- Language: English
- Type: text , clippings , ephemera
- Identifier: http://hdl.handle.net/10962/65562 , vital:28813
- Description: Newspaper article: "The old and the new at Seymour. This oak tree is believed to have been planted in 1853 on the founding of the town. Next to it stand newly planted poles to carry ESCOM electric power to the inhabitants. Gangs of construction workers are erecting the power lines and the first line in the town has about been completed. Private contractors are wiring dwellings. To start with there will be more than 20 consumers who will be connected up to the distribution lines. Distribution will be undertaken by ESCOM.”
- Full Text: false
- Date Issued: 1960-07-21
- Authors: Daily Dispatch (East London, South Africa)
- Date: 1960-07-21
- Subjects: Trees -- South Africa -- Photographs , Seymour (South Africa) -- Photographs
- Language: English
- Type: text , clippings , ephemera
- Identifier: http://hdl.handle.net/10962/65562 , vital:28813
- Description: Newspaper article: "The old and the new at Seymour. This oak tree is believed to have been planted in 1853 on the founding of the town. Next to it stand newly planted poles to carry ESCOM electric power to the inhabitants. Gangs of construction workers are erecting the power lines and the first line in the town has about been completed. Private contractors are wiring dwellings. To start with there will be more than 20 consumers who will be connected up to the distribution lines. Distribution will be undertaken by ESCOM.”
- Full Text: false
- Date Issued: 1960-07-21
Fearless woman remembered
- Daily Dispatch (East London, South Africa)
- Authors: Daily Dispatch (East London, South Africa)
- Date: 1958-08-15
- Subjects: South Africa -- History -- Frontier Wars, 1811-1878 , Grahamstown (South Africa) -- History
- Language: English
- Type: text , clippings , ephemera
- Identifier: http://hdl.handle.net/10962/71911 , vital:29974
- Description: Newspaper article: "Fearless woman remembered. A beautiful monument in Grahamstown, shown in this picture above, was erected to commemorate an act of outstanding bravery by a woman during the battle of Grahamstown in 1819. She was Elizabeth Margaret Salt who, with her husband Sergeant Salt, was among those besieged in Fort England, which was surrounded by hordes of Kafirs.”
- Full Text: false
- Date Issued: 1958-08-15
- Authors: Daily Dispatch (East London, South Africa)
- Date: 1958-08-15
- Subjects: South Africa -- History -- Frontier Wars, 1811-1878 , Grahamstown (South Africa) -- History
- Language: English
- Type: text , clippings , ephemera
- Identifier: http://hdl.handle.net/10962/71911 , vital:29974
- Description: Newspaper article: "Fearless woman remembered. A beautiful monument in Grahamstown, shown in this picture above, was erected to commemorate an act of outstanding bravery by a woman during the battle of Grahamstown in 1819. She was Elizabeth Margaret Salt who, with her husband Sergeant Salt, was among those besieged in Fort England, which was surrounded by hordes of Kafirs.”
- Full Text: false
- Date Issued: 1958-08-15
An assessment of chlorophyll-a concentration spatio-temporal variation using Landsat satellite data, in a small tropical reservoir
- Dalu, Tatenda, Dube, Timothy, Froneman, P William, Sachikonye, Mwazvita T B, Clegg, Bruce W, Nhiwatiwa, Tamuka
- Authors: Dalu, Tatenda , Dube, Timothy , Froneman, P William , Sachikonye, Mwazvita T B , Clegg, Bruce W , Nhiwatiwa, Tamuka
- Date: 2015
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/68042 , vital:29189 , https://doi.org/10.1080/10106049.2015.1027292
- Description: Publisher version , Traditional approaches to monitoring aquatic systems are often limited by the need for data collection which often is time-consuming, expensive and non-continuous. The aim of the study was to map the spatio-temporal chlorophyll-a concentration changes in Malilangwe Reservoir, Zimbabwe as an indicator of phytoplankton biomass and trophic state when the reservoir was full (year 2000) and at its lowest capacity (year 2011), using readily available Landsat multispectral images. Medium-spatial resolution (30 m) Landsat multispectral Thematic Mapper TM 5 and ETM+ images for May to December 1999–2000 and 2010–2011 were used to derive chlorophyll-a concentrations. In situ measured chlorophyll-a and total suspended solids (TSS) concentrations for 2011 were employed to validate the Landsat chlorophyll-a and TSS estimates. The study results indicate that Landsat-derived chlorophyll-a and TSS estimates were comparable with field measurements. There was a considerable wet vs. dry season differences in total chlorophyll-a concentration, Secchi disc depth, TSS and turbidity within the reservoir. Using Permutational multivariate analyses of variance (PERMANOVA) analysis, there were significant differences (p < 0.0001) for chlorophyll-a concentration among sites, months and years whereas TSS was significant during the study months (p < 0.05). A strong positive significant correlation among both predicted TSS vs. chlorophyll-a and measured vs. predicted chlorophyll-a and TSS concentrations as well as an inverse relationship between reservoir chlorophyll-a concentrations and water level were found (p < 0.001 in all cases). In conclusion, total chlorophyll-a concentration in Malilangwe Reservoir was successfully derived from Landsat remote sensing data suggesting that the Landsat sensor is suitable for real-time monitoring over relatively short timescales and for small reservoirs. Satellite data can allow for surveying of chlorophyll-a concentration in aquatic ecosystems, thus, providing invaluable data in data scarce (limited on site ground measurements) environments.
- Full Text: false
- Date Issued: 2015
- Authors: Dalu, Tatenda , Dube, Timothy , Froneman, P William , Sachikonye, Mwazvita T B , Clegg, Bruce W , Nhiwatiwa, Tamuka
- Date: 2015
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/68042 , vital:29189 , https://doi.org/10.1080/10106049.2015.1027292
- Description: Publisher version , Traditional approaches to monitoring aquatic systems are often limited by the need for data collection which often is time-consuming, expensive and non-continuous. The aim of the study was to map the spatio-temporal chlorophyll-a concentration changes in Malilangwe Reservoir, Zimbabwe as an indicator of phytoplankton biomass and trophic state when the reservoir was full (year 2000) and at its lowest capacity (year 2011), using readily available Landsat multispectral images. Medium-spatial resolution (30 m) Landsat multispectral Thematic Mapper TM 5 and ETM+ images for May to December 1999–2000 and 2010–2011 were used to derive chlorophyll-a concentrations. In situ measured chlorophyll-a and total suspended solids (TSS) concentrations for 2011 were employed to validate the Landsat chlorophyll-a and TSS estimates. The study results indicate that Landsat-derived chlorophyll-a and TSS estimates were comparable with field measurements. There was a considerable wet vs. dry season differences in total chlorophyll-a concentration, Secchi disc depth, TSS and turbidity within the reservoir. Using Permutational multivariate analyses of variance (PERMANOVA) analysis, there were significant differences (p < 0.0001) for chlorophyll-a concentration among sites, months and years whereas TSS was significant during the study months (p < 0.05). A strong positive significant correlation among both predicted TSS vs. chlorophyll-a and measured vs. predicted chlorophyll-a and TSS concentrations as well as an inverse relationship between reservoir chlorophyll-a concentrations and water level were found (p < 0.001 in all cases). In conclusion, total chlorophyll-a concentration in Malilangwe Reservoir was successfully derived from Landsat remote sensing data suggesting that the Landsat sensor is suitable for real-time monitoring over relatively short timescales and for small reservoirs. Satellite data can allow for surveying of chlorophyll-a concentration in aquatic ecosystems, thus, providing invaluable data in data scarce (limited on site ground measurements) environments.
- Full Text: false
- Date Issued: 2015