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Using System Dynamics to Explore the Water Supply and Demand Dilemmas of a Small South African Municipality

- Clifford-Holmes, Jai K, Slinger, Jill H, Musango, J K, Brent, A C, Palmer, Carolyn G

Authors: Clifford-Holmes, Jai K , Slinger, Jill H , Musango, J K , Brent, A C , Palmer, Carolyn G
Date: 2014-08-15
Language: English
Type: Conference paper
Identifier: vital:7070 , http://hdl.handle.net/10962/d1014840
Description: This paper explores the challenges faced by small municipalities in providing water services in a developing world context of increasing urban demand. The paper uses a case study of the Sundays River Valley Municipality (SRVM) in South Africa. The municipality faces multiple dilemmas in reconciling its available water supply with growing demand for potable water in the primary urban settlement in the area, in a struggle that is typical of the broad category of South African municipalities to which the SRVM belongs. These dilemmas are explored using a system dynamics model, referred to as the ‘Kirkwood water demand system dynamics model’ (K-DEM). This paper specifically introduces the K-DEM structure,which is aimed at investigating the impacts of households progressively receiving full water and sanitation services; the use of rainwater harvesting as an alternative form of water supply; and the possible effect of a household-level water conservation / water demand management programme. Baseline results are discussed, and areas for future research identified. Paper presented at the 32nd International Conference of the System Dynamics Society, 21-24 July 2014, in Delft, the Netherlands. , Word , Mac OS X 10.8.5 Quartz PDFContext
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Towards an exceptional undergraduate personal learning experience: the Personal Librarian Programme, a pilot project at Rhodes University Library

- Gontshi, V

Authors: Gontshi, V
Date: 2013
Language: English
Type: Conference paper
Identifier: vital:6978 , http://hdl.handle.net/10962/d1007916
Description: This paper is a record of a unique intervention for enhancing the Undergraduate learning experience at Rhodes University. It will focus on the establishment of the project, the experiences encountered and lessons learned thus far. In April 2013, a vibrant team of 13 librarians embarked on a Personal Librarian Pilot Project at the Rhodes University Library. The Personal Librarian Programme is primarily directed at undergraduate students at Rhodes University. In an attempt to bridge the information literacy skills gap that exists between Senior School and University in South Africa, the idea behind this programme is that each incoming first year student is assigned a Personal Librarian who will remain that individual’s contact in the library throughout his/her academic career at Rhodes University. The project came about as a result of research exploring the perceptions of both students and lecturers in the Commerce Faculty at Rhodes University with regard to Information Literacy practices and needs (Gontshi, 2011). The study revealed and recorded a shortcoming in the Information Literacy ability of students between Senior School Level and University Level. It became clear that new University students were not aware of the important link between their academic studies and the Library which in turn suggested the need to make Rhodes University librarians and the role that they play in the academic world more obvious to these new students (Gontshi, 2011). The Personal Librarian Programme was devised to fill this need. The Librarians involved in this programme include staff from all sections of the Library: circulation, faculty liaison and bibliographic/technical services. The training needs of staff who did not work directly with students were identified and the relevant training provided. The staff from Circulation and Bibliographic/Technical services sections identified a need to advance their knowledge on the use of library from a users’ perspective. The training focused on the following: “Brainstorming a research topic with a student”; “Identifying relevant databases to conduct a research topic” and “Conducting a search on relevant databases for the research topic” – this included ‘different ways of devising an effective search technique’. The training ensured a good foundation for these librarians to develop their confidence to work with users. The project, modeled on a similar programme at the Yale University Library in America, was also a direct result of Rhodes University Library’s involvement in the Carnegie Research Libraries Consortium (2009 – 2011) and a ten-week internship in the United States, seven weeks of which were spent at Yale University.
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Date Issued: 2013

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What to expect when you’re not expecting : child-freedom, social stigma, and online subjectivities

- Morison, Tracy

Authors: Morison, Tracy
Date: 2013
Language: English
Type: Conference paper , text
Identifier: vital:6210 , http://hdl.handle.net/10962/d1003915
Description: From Introduction: Today I’m presenting some of the preliminary findings of a study about voluntary childlessness conducted with Indian, Polish, and fellow South African collaborators. Voluntary childlessness is also frequently referred to as being childless by choice or childfree. The term childfree (as opposed to ‘childless’) is intended to show that not having children “can be an active and fulfilling choice”, and to indicate agency and freedom from social obligation. The distinguishing feature of voluntary childlessness is the deliberate avoidance of parenthood, and this is precisely what opens up childfree people, especially married heterosexuals, to greater stigma than the temporarily or involuntarily childless, since it is seen as willing and deliberate deviation from the norm. Having children is seen as a natural consequence of being a “normal” heterosexual woman or man, as well as an expected outcome of marriage. Parenthood is therefore normalised by regulative discourses around sexuality and gender. This process of normalisation is reinforced by pronatalist discourse. According to Meyers, pronatalism rests upon twin strategies: The first is the valorisation or glorification of parenthood, which supports the belief that having children is the only true path to fulfilment. The second strategy is the denigration of non-reproduction in which childlessness is cast as horrific. The result of these dual strategies is to eliminate deliberate childlessness as a possibility. Parenthood, as the only truly viable option for a fulfilling life, is therefore a non-choice. This is compounded by nationalistic and religious rhetoric that constructs childbearing as an obligation or duty. Consequently, as my previous research showed, people often do not reflect on whether to have children or not, but see it more as a matter of timing.
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Date Issued: 2013

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Classifying network attack scenarios using an ontology

- Van Heerden, Renier, Irwin, Barry V W, Burke, I D

Authors: Van Heerden, Renier , Irwin, Barry V W , Burke, I D
Date: 2012
Language: English
Type: Conference paper
Identifier: vital:6606 , http://hdl.handle.net/10962/d1009326
Description: This paper presents a methodology using network attack ontology to classify computer-based attacks. Computer network attacks differ in motivation, execution and end result. Because attacks are diverse, no standard classification exists. If an attack could be classified, it could be mitigated accordingly. A taxonomy of computer network attacks forms the basis of the ontology. Most published taxonomies present an attack from either the attacker's or defender's point of view. This taxonomy presents both views. The main taxonomy classes are: Actor, Actor Location, Aggressor, Attack Goal, Attack Mechanism, Attack Scenario, Automation Level, Effects, Motivation, Phase, Scope and Target. The "Actor" class is the entity executing the attack. The "Actor Location" class is the Actor‟s country of origin. The "Aggressor" class is the group instigating an attack. The "Attack Goal" class specifies the attacker‟s goal. The "Attack Mechanism" class defines the attack methodology. The "Automation Level" class indicates the level of human interaction. The "Effects" class describes the consequences of an attack. The "Motivation" class specifies incentives for an attack. The "Scope" class describes the size and utility of the target. The "Target" class is the physical device or entity targeted by an attack. The "Vulnerability" class describes a target vulnerability used by the attacker. The "Phase" class represents an attack model that subdivides an attack into different phases. The ontology was developed using an "Attack Scenario" class, which draws from other classes and can be used to characterize and classify computer network attacks. An "Attack Scenario" consists of phases, has a scope and is attributed to an actor and aggressor which have a goal. The "Attack Scenario" thus represents different classes of attacks. High profile computer network attacks such as Stuxnet and the Estonia attacks can now be been classified through the “Attack Scenario” class.
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Date Issued: 2012

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Futures studies for the southern African region : ‘from Africa’ not ‘on Africa’

- Fox, Roddy C, Rowntree, Kate M, Kaskinen, J

Authors: Fox, Roddy C , Rowntree, Kate M , Kaskinen, J
Date: 2012
Language: English
Type: Conference paper
Identifier: vital:6668 , http://hdl.handle.net/10962/d1006685
Description: Futures studies is well established in the Nordic region and its history can be readily charted, but in Africa it barely exists in an institutional form and its evolution and impact is little known or understood. The first two sections of our paper briefly examine the history of futures studies, spending most attention on the African experience. We go on to show that the Higher Education landscape in the Southern African Development Community (SADC) region is very different to that in the Nordic region. Recent futures reports present forecasts and scenarios that show a differentiated Higher Education landscape in the SADC; there are few Higher Education Institutions (HEIs) and even the most optimistic forecasts show that the region as a whole will not meet the international enrollment norm of 30% by 2050. The last part of the paper examines our experience of collaboration with Finland and its well developed linkages between state and Universities. One outcome of three years of collaboration from 2007 to 2009 between two SANORD members, the Finland Futures Research Centre (now a part of the University of Turku) and Rhodes University, was a proposal to develop a multi-disciplinary, inter-institutional futures studies program intended to help Africa find its own voice in futures studies. The final part of our presentation reflects on the unsuccessful experiences that we have had to date in finding funding. We conclude by asking whether our experience can be seen as highlighting some of the challenges SANORD may be positioned to overcome if the SADC region’s HEIs are to achieve the Knowledge Village scenario and begin to match their Nordic counterparts.
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Date Issued: 2012

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Political agency in South African shack settlements

- Pithouse, Richard, 1970-

Authors: Pithouse, Richard, 1970-
Date: 2012
Language: English
Type: Conference paper
Identifier: vital:6194 , http://hdl.handle.net/10962/d1008580
Description: (From the introduction) In 2004 Mike Davis asked whether or not what he called 'the informal proletariat' could attain historical agency. The question posed by Davis sparked a largely speculative discussion in the radical edge of the metropolitan academy that often paid scant regard to the many careful studies dealing with the political agency of shack dwellers. The debate about the political capacities of the urban poor stretches back to Karl Marx and Friedrich Engels, whose views on the matter are well known, and Mikhail Bakunin who sustained their objectification but inverted its logic to conclude that “in them and only in them [the lumpen-proletariat ], and not in the bourgeois strata of workers, are there crystallized the entire intelligence and power of the coming Social Revolution”. In Africa the rational discussion of this question begins with Frantz Fanon who,dying of leukaemia and dictating his words from a mattress on the floor of a flat in Tunis in 1961, insisted that “Marxist analysis should always be slightly stretched every time we have to do with the colonial problem.” One of the many ways in which he stretched the Marxism in the air at the time was to take the view that the lumpen-proletariat, as a sociological category, had no fixed political meaning. People who had been 'circling the cities' hoping, he said, 'to be let in', had sometimes offered their services to colonial oppression and had sometimes joined the revolution against colonialism. Moreover he argued that in the colonial context the urban poor, living outside of the “world of compartments”, did not only become a “gangrene eating into the heart of colonial domination” as an unintended consequence of a desire to survive, of a “biological decision to invade the enemy citadels”, but that some amongst these people would assume explicit political agency and that it is: “in the people of the shanty towns and in the lumpen-proletariat that the insurrection will find its urban spearhead.” In reaching this conclusion, and in insisting on this particular stretching of the dominant currents of the Marxism of the time, Fanon was sustaining a fidelity both to the actually existing politics that he had witnessed in various African countries as well as to his founding ethical axiom - to recognise “the open door of every consciousness.”
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Date Issued: 2012

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Creating a virtual classroom: evaluating the use of online discussion forums to increase teaching and learning activities

- Bezuidenhout, L Peta

Authors: Bezuidenhout, L Peta
Date: 2009
Subjects: To be catalogued
Language: English
Type: Conference paper
Identifier: vital:6070 , http://hdl.handle.net/10962/d1004635
Description: In teaching large classes, the educationally beneficial informal interaction between students and between lecturer and students is generally reduced, while effective use of both students’ and lecturer’s time is often a challenge. During student consultations, especially over the already stressful test and examination periods, many of the questions asked by the students are the same or similar. The lecturer needs to respond to each query by providing the same detailed explanation for the problem, resulting in ineffective use of time for the lecturer, while students waste time waiting for an appointment, or more often, simply don’t bother to follow up on any queries they may have. Having a social presence is important for students’ cognitive development, but in a large class posing questions or interrogating issues during a lecture appears to be challenging for many students. It is often not easy for students to initiate discussions or establish relationships with peers or the lecturer due to feelings of vulnerability and due to the size and impersonal atmosphere of the lecture theatre. This paper deals with the introduction of online discussion forums in an introductory accounting course and the benefits and problems experienced by the students, tutors and lecturer as a result thereof. Feedback received from these participants is discussed. The introduction and use of these forums resulted in a virtual classroom being created, where significantly more teaching and learning activities took place, to the benefit of all participants. Participation could have been peripheral -in the form of simply reading discussions; or active – through posting questions, or responding to questions.
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Date Issued: 2009

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De La Rey rides (yet) again : Afrikaner identity politics and nostalgia in post-apartheid South Africa

- Baines, Gary F

Authors: Baines, Gary F
Date: 2009
Language: English
Type: Conference paper
Identifier: vital:6158 , http://hdl.handle.net/10962/d1007078
Description: In 2006 a relatively unknown South African artist with the stage name Bok van Blerk released his debut album called “De la Rey”. The album included a music video of the title track that calls upon the legendary Boer War general to save the volk (people) from the wantonly destructive strategies of the British imperial forces: the scorched earth policy and the subsequent internment of women and children in concentration camps. The British justified such extreme – some would say ‘genocidal’ – strategies so as to prevent non-combatants from supporting the irregular Boer soldiers. Although he did not believe that the war could be won on account of the overwhelming odds that the Boer forces faced, De la Rey still fought to the bitter end. Needless to say, he was on the losing side.
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Date Issued: 2009

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Exploring risk related to future climates through role-playing games: the African catchment game

- Rowntree, Kate M, Fraenkel, Linda A, Fox, Roddy C

Authors: Rowntree, Kate M , Fraenkel, Linda A , Fox, Roddy C
Date: 2009
Language: English
Type: Conference paper
Identifier: vital:6671 , http://hdl.handle.net/10962/d1006807
Description: Risk is the result of two interacting components: hazard and vulnerability. Climatic hazards are related to extrinsic factors such as drought or severe storms. Vul- nerability is the result of intrinsic factors that often arise from the socio-political- economic context. The interplay of risk and vulnerability is difficult to predict. Although computer models have been widely used to forecast climate related risk, albeit with con- siderable uncertainty, they can never capture sufficiently the vulnerability of human sys- tems to these hazards. Role-playing games can be used more realistically to simulate pos- sible outcomes of different climate change scenarios, and allow players to reflect on their significance. The authors have developed the African Catchment Game to simulate a wa- ter scarce African country. Risk can be modelled mechanistically by changing the nature of the annual rainfall input. Vulnerability can in part be modelled by changing the start- ing parameters (such as access to land and resources) and, secondly, through the unpredictable response of players to game dynamics. Players’ reflections demonstrate that through the game they become more aware of the concept of risk and the complex response of individuals and societies that determine their vulnerability to climatic hazards. This paper reflects on the potential for developing the game further as a tool for participatory learning around climate change, based on the authors’ experience of playing the game with participants from South Africa.
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Date Issued: 2009

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Integrating environmental flow requirements into a stakeholder driven catchment management process

- Rowntree, Kate M, Birkholz, Sharon A, Burt, Jane C, Fox, Helen E

Authors: Rowntree, Kate M , Birkholz, Sharon A , Burt, Jane C , Fox, Helen E
Date: 2009
Language: English
Type: Conference paper
Identifier: vital:6670 , http://hdl.handle.net/10962/d1006804
Description: South Africa's National Water Act (NWA no 36 of 1998) recognizes the need for environmental protection through the ecological Reserve, defined in the Act as the quantity and quality of water required to protect aquatic ecosystems in order to secure ecologically sustainable development through the constrained use of the relevant water resource. Further more the NWA stipulates that the allocation of licenses to new water users, or the granting of increased water use to established water users, can only take place once the the Reserve for the river has been determined and approved by the Minister. This means that water users' needs (beyond those required for basic human needs) take second place behind the environment. Whether or not the inclusion of the ecological Reserve in South Africa's water legislation leads to sustainable use of South Africa's water resources depends on its successful implementation. This in turn depends on the will of both the Department of Water Affairs and Forestry (DWAF), the implementing agent, and the end water users who need to be convinced of the priority given to environmental needs. In this paper we look at the process of implementing the ecological Reserve in the Kat Valley in the Eastern Cape of South Africa as part of a stakeholder driven process of developing a water allocation plan for the catchment that prioritized participation by water users. The extent to which DWAF and the water users expedited or thwarted the process is examined in the light of national and international calls for local-level participation in water resource management processes.
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Date Issued: 2009

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Learning about sustainability through experiencing complex, adverse conditions typical of the South : reflections from the African Catchment Games played in Finland 2008

- Fraenkel, Linda A, Fox, Roddy C

Authors: Fraenkel, Linda A , Fox, Roddy C
Date: 2009
Language: English
Type: Conference paper
Identifier: vital:6666 , http://hdl.handle.net/10962/d1006678
Description: The African Catchment Game is an innovative role playing game which was played twice in Finland in 2008 as part of the CIMO funded collaboration between Finland Futures Research Centre and Rhodes University. It simulates a "real imaginary country" and enables participants to explore and experience how southern countries may or may not develop scenarios of sustainable resource extraction and consumption. New processes modelling climatic variability, water management and consumption were introduced for these two game runs. This imaginary country has roles for an urban/industrial sector, the informal sector, trading intermediaries, overseas trade, a government comprised of a president and two ministers, peasant and commercial farmers. Chapman's original game, Green Revolution Game/Exaction, is based on systems and complexity theories from the 1970s and 1980s. Our modifications to Chapman’s game are underpinned by theories of Complex Adaptive Systems and educational approaches based on constructivist, active/experiential learning models. The paper presents an analysis of the two Finnish games from the perspectives of the participants and the game managers. Participants’ information came from pre and post game questionnaires and the focus group discussions that were part of the debriefing pro-cess. These two methods enabled us to examine the local and network processes which de-veloped during the games. Global scale processes of production, consumption, resource utilization, trading and water provision was collected by the game managers as part of their management processes throughout each game run. Our analysis shows that the par-ticipants’ understanding altered and deepened as a result of playing the game. The nature of the game, as a Complex Adaptive System, and the constructivist learning approach through which the game is experienced means that lessons of a more universal nature cannot be extrapolated.
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Date Issued: 2009

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Overcoming marginalisation? Open Access research repositories at a South African and a Swedish University

- Fox, Roddy C, Wihlborg, E, Lawrence, D

Authors: Fox, Roddy C , Wihlborg, E , Lawrence, D
Date: 2009
Language: English
Type: Conference paper
Identifier: vital:6667 , http://hdl.handle.net/10962/d1006680
Description: Open Access Research Repositories have developed very rapidly since c2000 as a global phenomenon in their number, their location, the number and type of resources available in them. The creation of institutional repositories has been affected by different motives. They can serve as collections of a University's research output with the intention of making it 'freely' available. We ask here, just what patterns of access can be analysed, what trends do we see when examining our two institutions? Alternatively they can be seen as ways to raise the research profile of individuals and institutions and citation records. We do not see Open Access Research as being a neutral, value free technological innovation with clear outcomes. Our perspective draws from the fields of socio-technical and complex adaptive systems and so we anticipate that although the future impacts of Open Access research can be discerned they cannot be mechanistically predicted.
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Date Issued: 2009

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The challenges of education and development in twenty-first century South Africa

- Badat, Saleem

Authors: Badat, Saleem
Date: 2009
Language: English
Type: Conference paper , text
Identifier: vital:7121 , http://hdl.handle.net/10962/d1006569
Description: From the introduction: I have chosen to address the theme of The Challenges of Education and Development in the Twenty First Century. This is not only an extremely important theme but also one that is both complex and broad and can be approached in many different ways. With respect to complexity, the concepts of education and development, like the concepts of freedom and democracy, are defined in various ways and have a variety of meanings associated with them. Moreover, notions of education and development are not neutral in that they are embedded in different views of the world and society, including views on what constitutes a just and good society. Further, the choices, policies, actions and practices that are associated with particular conceptions of education and development are not benign in that they have real and differential effects on different social classes and groups in society. , Keynote Address at the 15th Annual Conference of the Headmasters of the Traditional State Boy’s Schools of South Africa’ Queens College, Queenstown, 26 August 2009.
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Date Issued: 2009

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The role of higher education in society: valuing higher education

- Badat, Saleem

Authors: Badat, Saleem
Date: 2009
Language: English
Type: Conference paper , text
Identifier: vital:7122 , http://hdl.handle.net/10962/d1006571
Description: From the introduction: Arthur E. Levine, President of the Teachers College of Columbia University, writes that "In the early years of the Industrial Revolution, the Yale Report of 1828 asked whether the needs of a changing society required either major or minor changes in higher education. The report concluded that it had asked the wrong question. The right question was, What is the purpose of higher education?" Levine goes on to add that questions related to higher education “have their deepest roots in that fundamental question” and that “faced with a society in motion, we must not only ask that question again, but must actively pursue answers, if our colleges and universities are to retain their vitality in a dramatically different world”. I propose to speak about three issues: the first is about our changing world; the second is about the three purposes of higher education; the third is about what I consider to be the five key roles of higher education. Finally, I want to conclude by making some observations on the sometimes unrealistic expectations of higher education. , HERS‐SA Academy 2009, University of Cape Town Graduate School of Business, Waterfront, Cape Town, 14 September 2009. Stagnant universities are expensive and ineffectual monuments to a status quo which is more likely to be a status quo ante, yesterday’s world preserved in aspic (Ralf Dahrendorf, 2000:106‐7)
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Date Issued: 2009

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An investigation into the time-saving benefits of using a computerised taxation program

- Forster, Rory, Stack, Elizabeth M

Authors: Forster, Rory , Stack, Elizabeth M
Date: 2008
Subjects: To be catalogued
Language: English
Type: Conference paper
Identifier: vital:6065 , http://hdl.handle.net/10962/d1004610
Description: Software programs designed to calculate the tax liability of individuals and other types of tax entity are being designed and used with increasing frequency. Research done in the United States of America appears to indicate that these programs do not achieve any saving in time and, in fact, may take longer to use than to complete a tax return by hand. As the South African revenue collection system appears to be moving closer to a self-assessment system, where the calculation of tax owing will be the responsibility of the taxpayer, the research essay sets out to determine whether there is a saving in time when calculating a tax liability using a tax software program, instead of calculating it by hand. In addition, the research aims to determine how much time, on average, is saved or lost, using such a program, and whether there is any correlation between the time taken to perform a calculation by hand and that using the software program. It does so by comparing the average estimated time it would take to complete tax calculations for individuals by hand with the average time taken to complete the same tax calculations using a tax software program. The average time taken to do the calculations by hand is based on the time allocation given for questions by the authors of a published question bank for university students. The time taken using software is determined by using a stop-watch to time each question being processed. The results, subject to assumptions made in carrying out the research, show that there is a substantial saving in time using the software program. Based on the data, however, the results indicate a weak correlation between the estimated time taken to do a calculation by hand and the estimated time using the software program. Possible reasons for the weak correlation are discussed. A recommendation is also made for the standardization and certification of existing tax calculation software.
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Date Issued: 2008

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