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Forensic entomotoxicology revisited: towards professional standardisation of study designs

  • Authors: Da Silva, Erica I T , Wilhelmi, Brendan S , Villet, Martin H
  • Date: 2017
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/140819 , vital:37921 , DOI: 10.1007/s00414-017-1603-9
  • Description: Forensic entomotoxicology is the use of insects as evidence of whether a toxicant is present in an environment such as a corpse, river or landscape. The earliest overtly forensic study was published in 1977, and since then, at least 63 papers have been published, most of them focused on the detection of toxicants in insects or on effects of toxicants on diverse insect indicator taxa. A comprehensive review of the published literature revealed various inconsistencies between studies that could be addressed by introducing standard protocols for such studies. These protocols could include selecting widespread and common model organisms (such as Lucilia sericata, Calliphora vicina, Chrysomya megacephala and Dermestes maculatus) and model toxicants (e.g. morphine and amitriptyline) to build up comparative databases; developing a standard matrix for use as a feeding substrate; setting guidelines for statistically adequate sample sizes; and deploying more sophisticated analytical methods from the general field of toxicology.
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  • Date Issued: 2017

Forest degradation and invasive species synergistically impact Mimusops andongensis (Sapotaceae) in Lama Forest Reserve, Benin

  • Authors: Sinasson, Gisèle K , Shackleton, Charlie M , Glèlè Kakaï, Romain L , Sinsin, Brice
  • Date: 2017
  • Subjects: To be catalogued
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/182038 , vital:43792 , xlink:href="https://doi.org/10.1111/btp.12370"
  • Description: Harvesting of Non-Timber Forest Products (NTFPs) can threaten target species, especially those with limited distribution and density. Exploited species also face threats from habitat fragmentation, fire, and invasive species. We assessed the impact of human disturbances and invasive species on the population of a key multipurpose NTFP species, Mimusops andongensis, in Lama Forest reserve (Benin). The densities of adult trees and regenerative stems decreased with increasing degradation. Mimusops andongensis contributed less to total tree density with increasing human disturbance. There were significantly fewer M. andongensis recruits with increasing cover of invasive Chromolaena odorata. Smaller diameter individuals predominated in non-degraded and moderately degraded sites while in degraded sites, the structure showed a negative exponential trend with the density of small diameter individuals being less than two trees/ha. Larger individuals were also rare in degraded sites. The low density of both mature trees and seedlings in degraded sites may undermine the long-term viability of M. andongensis, despite existing protection against NTFP harvesting and other anthropogenic pressures. Management should emphasize facilitating recruitment subsidies and limiting the presence of C. odorata.
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  • Date Issued: 2017

Forest governance, conservation and livelihoods: the case of forest protected areas and local communities in north-western Zimbabwe

  • Authors: Mutekwa, Vurayai
  • Date: 2017
  • Language: English
  • Type: Thesis , Doctoral , PhD
  • Identifier: http://hdl.handle.net/10962/7396 , vital:21254
  • Description: Forest protected areas (FPAs) constitute one of the main strategies for achieving the triple benefits of biodiversity conservation, livelihoods sustenance and climate regulation. The quality of FPA governance plays a major role in the achievement of these conservation objectives. Governance encompasses policies, institutions, actors, processes and power and how they interplay to determine conservation outcomes. Currently, no research has systematically explored the historical and contemporary governance of Zimbabwe’s protected indigenous forests and its implications on forest condition and local communities’ livelihoods. This is despite the fact that improving forest governance depends on learning from those that prevailed in the past as well as those currently obtaining on the ground in terms of how they have performed in relation to conservation and livelihood sustenance. This study assessed Zimbabwe’s historical and contemporary FPA governance and its implications on social and ecological outcomes. The overall rationale of the study was to provide evidence of the impact of past governance arrangements on forest condition and local communities’ livelihoods, improve understanding of the current governance arrangements and propose future FPA governance strategies and mechanisms to enhance conservation and local communities’ livelihood outcomes. Accordingly, the specific objectives of the study were to: 1) characterize and collate historical governance of FPAs in western Zimbabwe, 2) evaluate the impact of governance on forest condition and local communities’ livelihoods, 3) explore the nature of contemporary governance at the forest level, and 4) propose the governance model for Zimbabwe’s FPAs into the future. The study employed a combination of quantitative and qualitative data collection and analysis methods including the systematic literature review methodology. Using specific case studies of indigenous FPAs in western Zimbabwe as examples, the study initially evaluated through literature review (Chapter 2) the history of forest governance in Zimbabwe showing how four main powers (force, regulation, market and legitimation) led to different types of local community exclusion and how community agency countered exclusion especially from the year 2000 to date. Chapter 3 uses six case study forests to assess the quality of historical FPA governance by analyzing the application of seven governance principles. The results showed that the quality of governance was high during precolonial times, deteriorated with the inception of colonialism and remained poor after independence in 1980. Forest condition also varied in tandem with the quality of governance variations showing a positive relationship between the two variables. Participation in decision making, fairness in sharing benefits and effective rule enforcement emerged as key principles for FPA authorities to earn local community support and improve forest condition. Chapter 4 employed remote sensing techniques to determine the impact of governance on FPA land cover change by comparing FPAs with in situ and ex situ inhabitants. Results revealed that there was a significant relationship between governance quality and land cover change. FPAs with in situ inhabitants experienced higher forest loss than those with ex situ inhabitants. Poor governance accelerated forest conversion to other land uses particularly agriculture and settlement. Chapter 5 explored contemporary FPA governance at the forest level. Results showed that human agency that led to the invasion of FPAs from the year 2000 onwards disrupted the governance arrangements that were previously in place subjecting Zimbabwe’s FPAs to near open access by local communities and other actors. The FPAs’ contemporary governance is characterized by involvement of multiple actors with diverse interests, lack of Forestry Commission legitimacy, very low levels of local people’s participation in decision making and rule enforcement, lack of compliance with FPA rules and actual benefits that do not match local communities’ expectations. Overall, the study has revealed the ineffectiveness of the conventional centralized FPA governance in achieving positive conservation and local communities’ livelihoods outcomes. The study recommended a shift from conventional centralized governance to pro-people adaptive collaborative management (ACM). This has the potential to address most of the governance ills affecting Zimbabwe’s FPAs if it is designed and implemented with the full commitment of all relevant actors. This governance approach should, however, avoid some of the pitfalls such as elite capture, corruption in benefit sharing, gender inequality and technocratic professional management approaches that have characterized some collaborative governance systems in developing countries further perpetuating marginalization and poverty amongst local communities. Forestry Commission must also exercise visionary leadership and motivation. ACM becomes possible through leadership, vision, establishment and maintenance of links through culture and management and high levels of motivation. Designing and implementing ACM avoiding the highlighted pitfalls improves the capacity of the FPAs to continue providing social and ecological benefits such as improvement of local communities’ livelihoods, biodiversity protection and climate change mitigation.
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  • Date Issued: 2017

Forest resources income, poverty and income inequality: evidence from rural households in South-western Nigeria.

  • Authors: Azeez, Fatai Abiola
  • Date: 2017
  • Subjects: Poverty--Nigeria http://id.loc.gov/authorities/subjects/sh2010107919 , Rural poor--Nigeria , Income distribution--Nigeria
  • Language: English
  • Type: Doctoral theses , text
  • Identifier: http://hdl.handle.net/10353/19454 , vital:43119
  • Description: This thesis explores economic contributions of forest resources in relation to rural households’ welfare and inequality as well as forest resources management. The thesis consists of an introductory chapter, study locations, literature review on major concepts of the study and findings on different forest extraction activities impacts on rural households livelihood in South-western region Nigeria, which make up the rest of the thesis chapters. , Thesis (PhD) (Agric Econs) -- University of Fort Hare, 2017
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  • Date Issued: 2017

Formulation development, manufacture and evaluation of hydralazine hydrochloride microspheres

  • Authors: Kangausaru, Shakemore Tinashe
  • Date: 2017
  • Subjects: Hydralazine , Microspheres , Drugs Controlled release , Drugs Design , Drug development , Hypertension Chemotherapy
  • Language: English
  • Type: Master's theses , text
  • Identifier: http://hdl.handle.net/10962/59220 , vital:27482
  • Description: Despite improvements in its detection and treatment since the 1970s, hypertension is the most common and important risk factor for cardiovascular diseases. Hypertension is a chronic condition often underdiagnosed and/or inadequately treated in Sub-Saharan Africa. Recent survey results illustrate that the condition continues to contribute significantly to mortality and morbidity in adults and that it is poorly controlled in clinical practice. Hydralazine (HYD) is used either alone or in combination for the management of chronic hypertension, chronic cardiac failure and hypertensive crises. Due to its short plasma half-life of between 2 to 4 hours, HYD is normally administered two to four times daily, therefore making it a potential candidate for inclusion in sustained release formulations. The formulation of sustained release microsphere dosage forms may be useful to improve patient adherence and to achieve predictable and optimised therapeutic plasma concentrations. A stability indicating reversed-phase high performance liquid chromatography (RP-HPLC) method for the quantitation of HYD in pharmaceutical dosage forms was developed and optimised using a Central Composite Design (CCD) approach. UV/Vis detection method was selected as HYD contains an ultraviolet light-absorbing chromophore. The method was validated with respect to linearity and range, limits of quantitation (LOQ) and detection (LOD), accuracy, precision, sensitivity, selectivity and specificity as per International Conference on Harmonisation (ICH) guidelines. The method was applied to commercially available HYD tablets. No interfering peaks were observed from excipients used in the commercially available tablets. Preformulation studies were conducted to ensure the manufacture of high quality, stable sustained release HYD microspheres. The results revealed that there was an interaction between HYD and Carbopol® 971P, therefore Carbopol® polymers were not included during formulation studies. HYD was found to be compatible with Methocel® K100LV, Eudragit® RS PO and Avicel® 101 and HYD formulations were developed and optimised using these excipients. An oil-in-oil (o/o) solvent evaporation technique was selected for the manufacture of HYD microspheres due to its simplicity and to avoid exposure of HYD to moisture that could have been encountered if a water-in-oil (w/o) manufacturing process was used. The selection of o/o solvent evaporation technique was also based on the hydrophilicity of HYD and the polymers selected. Different grades of Methocel® and Eudragit® were selected to evaluate their effect on encapsulation efficiency (EE), in vitro release and microparticle shape and morphology. The best combination of these polymers which resulted in the desired EE, in vitro release, microparticle shape and size were then selected for formulation optimisation. A numerical optimisation approach was used to predict a formulation composition that would produce minimal HYD release initially and maximum HYD release after 12 hours of dissolution testing. The release kinetics of HYD from the manufactured microspheres were established by fitting in vitro release data to several mathematical models. The in vitro release data for the optimised formulations was best described using Higuchi model. The short-term stability of the optimised formulations was established by undertaking stability studies at 4°C, 25 °C/60 % RH and 40 °C/75 % RH. The results revealed that there was no significant change in appearance and physicochemical properties of the microspheres over a period of one month. However, long-term stability studies would be required to determine the shelf-life of the formulations. In addition, a gas chromatographic (GC) method was selected for determining residual amounts of acetone and n-hexane in the optimised formulations. GC methods were developed and optimised by evaluation of process parameters. System suitability testing was performed with respect to resolution, theoretical number of plates and selectivity. Method validation was performed with respect to linearity, range, inter- and intra-day precision, retention time (Rt) precision, limit of quantitation (LOQ) and detection (LOD). A solvent extraction method was used to analyse residual solvents in the optimised formulations. The drying process was sufficient in evaporating acetone and n-hexane from the optimised formulations. Solvent evaporation technique has been successfully used in the manufacture of HYD microspheres. The microspheres have potential for further development, scale up formulation studies and long-term stability studies. , Thesis (MSc) -- Faculty of Pharmacy, Pharmacy, 2017
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  • Date Issued: 2017

Formulation, development and evaluation of lipid nanocarriers for minocycline hydrochloride

  • Authors: Ranchhod, Janeeta
  • Date: 2017
  • Language: English
  • Type: text , Thesis , Masters , MSc
  • Identifier: http://hdl.handle.net/10962/65234 , vital:28712
  • Description: Expected release date-May 2019
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  • Date Issued: 2017

Fraction-specific geochemistry across the Asbestos Hills BIF of the Transvaal Supergroup, South Africa: implications for the origin of BIF and the history of atmospheric oxygen

  • Authors: Oonk, Paul Bernardus Hendrikus
  • Date: 2017
  • Language: English
  • Type: Thesis , Doctoral , PhD
  • Identifier: http://hdl.handle.net/10962/50721 , vital:26021
  • Description: Banded iron formations (BIF), deposited prior to and concurrent with the Great Oxidation Event (GOE) at ca. 2.4 Ga, record changes in oceanic and atmospheric chemistry during this critical time interval. Four previously unstudied drill-cores from the Griqualand West Basin, South Africa, capturing the rhythmically mesobanded, deep-water Kuruman BIF and the overlying granular, shallower Griquatown BIF, were sampled every ca. 10 m along core depth. Mineralogically, these BIFs consist of three iron-bearing fractions: (1) Fe-Ca-Mg-Mn carbonates, (2) magnetite with/without minor hematite and (3) Fe-silicates. These fractions are typically fine-grained on a sub-μm scale and their co-occurrence in varying amounts means that bulk-rock or microanalytical geochemical and stable isotope data are influenced by mineralogy.
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  • Date Issued: 2017

Framing of transitional pedagogic practices in the sciences: enabling access

  • Authors: Ellery, Karen
  • Date: 2017
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/66381 , vital:28942 , https://doi.org/10.1080/13562517.2017.1319812
  • Description: publisher version , Educational literature shows that students from working-class backgrounds are significantly less likely to persist to completion in higher education than middle-class students. This paper draws theoretically and analytically on Bernstein’s ([1990. Class, Codes and Control, Volume IV: The Structuring of Pedagogic Discourse. London: Routledge; 2000. Pedagogy, Symbolic Control, and Identity: Theory, Research, Critique. Lanham: Rowman and Littlefield]) thesis that, through differential framing of pedagogic practices, the curriculum has capacity to accommodate all groups of students. Pedagogic practices in both a science foundation course and four first-year mainstream science courses in a higher education institution in the South African context are examined. Whilst the foundation course exhibits modalities that generally favour access, the mainstream courses have some modalities that appear to be constraining. It is argued from a social justice perspective that holistic curriculum transformations that better enable epistemic transitions are an urgent imperative, and that consideration of differential framing of pedagogic modalities offer a close-up empirical means of conceptualising such reforms.
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  • Date Issued: 2017

Freshwater invertebrate assemblages of the Eastern Cape Karoo region (South Africa) earmarked for shale gas exploration

  • Authors: Mabidi, Annah
  • Date: 2017
  • Subjects: Invertebrates -- South Africa -- Karoo , Shale gas -- Conservation -- South Africa -- Karoo Freshwater animals -- South Africa -- Karoo Stream ecology -- South Africa -- Karoo
  • Language: English
  • Type: Thesis , Doctoral , PhD
  • Identifier: http://hdl.handle.net/10948/13713 , vital:27301
  • Description: The Eastern Cape Karoo region is semi-arid with highly variable rainfall. This variability in rainfall sustains a mosaic of surface freshwater bodies that range from permanently to temporarily inundated. These waterbodies provide habitats for diverse invertebrate assemblages. The imminent hydraulic fracturing for shale gas has a potential to modify the water regime, with particular risk of salinisation. Accumulation of salts in freshwater wetlands results in loss of biodiversity, as invertebrate species shift from salt intolerant to salt tolerant species. This study therefore aims to expand on existing knowledge and provide new information on the distribution, diversity and structure of macroinvertebrate assemblages associated with various freshwater bodies in the region prior to shale gas exploration. Limnological and ecological aspects of thirty-three waterbodies (rivers, dams and depression wetlands) were investigated between November 2014 and March 2016. An experimental study on the effects of salinity on hatching success of branchiopod resting eggs was also included in the research. Rivers were characterised by high conductivity and depression wetlands by high turbidity, while dams had relatively higher pH than the other two waterbody types. In terms of global phosphorus interpretation guidelines, the results indicate that freshwater systems in the study region are predominantly eutrophic, indicating that agricultural run-off, particularly from livestock dung (goats, cattle and sheep), is an important source of phosphorus in the freshwater systems studied. Our results revealed new distribution records for branchiopod crustaceans in the Eastern Cape region, including the first record of Laevicaudata. Results showed that the sampled variables were unable to explain the variation in physicochemistry and invertebrate assemblage of several sites. Waterbody type, whether a depression wetland or a river, was the only factor that consistently showed an effect on the composition of both physicochemical data and invertebrate data. Depression wetlands ranged from completely bare to being extensively covered by macrophytes. Therefore, the effect of macrophyte cover in structuring macroinvertebrate assemblages was the focus of further investigation. The results indicated that the macrophyte cover gradient had little influence on the structure of the invertebrate assemblages in the depression wetlands, while only the presence/absence of vegetation significantly influenced the structure of the invertebrate assemblages in these systems. Surface area, dissolved inorganic nitrogen and pelagic chlorophyll-a were the environmental variables that best explained the variation in the macroinvertebrate assemblages among the sites. However, the differences in macroinvertebrate richness, abundance and distribution patterns among sites were only weakly influenced by local and regional environmental factors. These findings suggest that invertebrate in temporary wetland systems are adapted to the highly variable nature of temporary habitats, thus the influence of local variables is negligible. Results of the experimental study, on the effect of salinity on hatching success of branchiopod resting eggs, revealed that hatchling abundance and diversity of large branchiopods was significantly reduced at salinities of 2.5 g L−1 and above. Salt-tolerant taxa such as Copepoda and Ostracoda were the only ones to emerge in the highest salinity of 10 g L−1. Thus, should the region continue to experience increasing aridity and possible shale gas development, which all aggravate the salinisation problem, severe loss of branchiopod diversity (Anostraca, Laevicaudata, Spinicaudata and Notostraca) is likely to occur. This may lead to considerable decline in invertebrate diversity in the region, with cascading effects on food webs and ecosystem functions. The findings of this study can potentially be used in comparative studies on wetland invertebrate ecology in other semi-arid regions and in the formulation of policy and strategies for biodiversity conservation.
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  • Date Issued: 2017

Friction welding of thin walled zircaloy-4 tubes for the nuclear industry

  • Authors: Koloi, Nthatisi Dinah
  • Date: 2017
  • Subjects: Friction welding Zirconium alloys
  • Language: English
  • Type: Thesis , Masters , MEng
  • Identifier: http://hdl.handle.net/10948/18794 , vital:28724
  • Description: This work reports on the process development of solid state welding as an alternative joining process for assembling Zircaloy-4 fuel rod components for the nuclear industry. A typical fuel rod consists of a thin tube that is blocked at both ends by end-caps. The welding of the thin wall tubes onto the end-caps is currently accomplished by employing fusion techniques. Due to limited thin wall Zircaloy-4 tube supplied, preliminary welding was initially performed with thin wall 316L stainless steel tube for the development of a joint geometry and establishment of an experimental welding and testing setup. A suitable joint geometry that would achieve higher static strength equal or above that of the parent material, as well as complete circumferential bonding was investigated through welding a tube on different volume interface geometries of the end-caps. Higher joint efficiency was obtained from a tube-to-tube joint geometry that allowed sufficient frictional heat input at the interface. Consequently, the successful joint geometry was employed to develop a friction welding process for the joining of thin wall Zircaloy-4 tubes. The influential process parameters, axial force, rotational speed and upset distance were varied during the investigation. The completed weld joints were evaluated by visual, metallurgical and mechanical means. Successful welds showed complete circumferential bonding and high joint efficiency that was above the parent plate material as well as parent tube material. The evaluation of the microstructure showed transformation of grain structure on the heat affected zone (HAZ) and friction weld zone when compared to the parent materials. Even though, this work could not resolve inner flash formation, there is enough evidence that friction welding can be used for assembling fuel rod components in the nuclear industry.
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  • Date Issued: 2017

From Baudelaire to Beardsley: some thoughts on Poe's beast as an indicator of the tastes and fears of nineteenth-century Europe

  • Authors: Beard, Margot
  • Date: 2017
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/147781 , vital:38672 , https://doi.org/10.1080/00043389.2001.11876980
  • Description: Charles Baudelaire (1821 1867) was one of the major influences on the French Decadent poets of the late nineteenth century whose aesthetic principles were shared, to a large extent, by a group of English poets and artists, among whom was Aubrey Beardsley (1872 1898). One of the major influences on Baude laire had been the American, Edgar Allan Poe (1809 1849), in whose short stories and poems Baudelaire had recognised a kindred spirit. Some intriguing aspects of changing nine teenth century attitudes emerge from a study of Baudelaire's 1856 translation of Poe's `The Murders in the Rue Morgue' and Beardsley's 1893 illustration to this story.
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  • Date Issued: 2017

From contradictions to complementarities: a social realist analysis of the evolution of academic development within a department

  • Authors: Case, Jennifer M , Heydenrych, Hilton , Kotta, Linda , Marshall, Delia , McKenna, Sioux , Willliams, Kevin
  • Date: 2017
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/66752 , vital:28990 , ISSN 1470-1294 , https://doi.org/10.1080/03075079.2015.1045479
  • Description: Publisher version , Academic development is a recent project in the university, intended to enable the university to respond to the needs of a more diverse student body. In South Africa, such work arose during late apartheid, and has now moved to a more central institutional position advocating responsiveness in the light of the educational disparities that are the legacy of apartheid. The present study uses a social realist perspective to analyse the 25-year evolution of an academic development project within an engineering department at a South African university. The findings show that while academic development initially posed a contradictory logic to the department, the response was to reform the nature of this project into one that suited the other commitments of the department: a logic of complementarity. The department's relationships with industry were shown to have played a key role in fostering this form of change.
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  • Date Issued: 2017

From dialect to ‘official’ language: towards the intellectualisation of Ndau in Zimbabwe

  • Authors: Sithole, Emmanuel
  • Date: 2017
  • Language: English
  • Type: Thesis , Doctoral , PhD
  • Identifier: http://hdl.handle.net/10962/6086 , vital:21030
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  • Date Issued: 2017

From Technauriture to Cultauriture: Developing a Coherent Digitisation Paradigm for Enhancing Cultural Impact

  • Authors: Mostert, André M , Lisney, Bob , Maroko, Geoffrey M , Kaschula, Russell H
  • Date: 2017
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/124528 , vital:35625 , http://www.ijscl.net/article_26650.html
  • Description: Developing suitable frameworks and paradigms (theoretical and practical) is a challenge for all disciplines in the face of rapid technological changes. Technological advances are fundamentally changing discourse in many well-established areas of research; from advances in understanding the brain, questioning the informed wisdom of sectors of the brain, through to impacts of social networks on sociology, to digitisation of culture. Technology’s potential is a double-edged sword which calls for coherent and reflective practices, to avoid the many pitfalls which abound. Kaschula recognised this as far back as 2004 in terms of orality, oral societies, and developed Technauriture as a framing solution. Drawing from this experience, the authors aim to expand the concept to offer a framing paradigm for culture in the form of Cultauriture. In this article the concept of Cultauriture is introduced and expanded to create a base for further research and dialogue with and between cultural practitioners, artists and policy makers.
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  • Date Issued: 2017

Fuelwood preferences, use and availability in the #Khomani San resettlement farms, southern Kalahari, South Africa

  • Authors: Nott, Michelle , Thondhlana, Gladman
  • Date: 2017
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/67667 , vital:29127 , https://doi.org/10.1080/14728028.2017.1294507
  • Description: Publisher version , Local level assessments of fuelwood preferences, demand and supply are important for ensuring a balance between ecological functions and livelihood needs. This study reports on an examination of fuelwood preferences, use and abundance in the #Khomani San resettlement farms in southern Kalahari, South Africa. The results show that Acacia erioloba was the most preferred fuelwood species, while Acacia mellifera was abundant but avoided. Across the study area, there were approximately 64 trees ha−1 but riverine sites had significantly more trees (approximately 80 trees ha−1) than non-riverine sites (48 trees ha−1). Live trees showed evidence of damage (cutting or breaking) and this was more pronounced in the riverine sites (close to human settlement) than in the non-riverine sites. However, overall current woody stocks and productivity rates of harvestable fuelwood are well above current fuelwood demand, suggesting fuelwood use may be within sustainable limits, though there is evidence of localised fuelwood depletion. The implications of these results for fuelwood management interventions, including the importance of context, are discussed.
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  • Date Issued: 2017

Funding and governance of cooperatives: a case study of Magwa and Majola tea estates in the Eastern Cape Province

  • Authors: Velani, Chuma
  • Date: 2017
  • Subjects: Cooperative societies -- Finance -- Law and legislation -- South Africa -- Eastern Cape Sustainable development -- South Africa -- Eastern Cape
  • Language: English
  • Type: Thesis , Masters , MPhil
  • Identifier: http://hdl.handle.net/10948/14411 , vital:27585
  • Description: The purpose of this research study is to assess the funding and governance models utilised in the operations of cooperatives, with specific reference to Magwa and Majola Tea Estates in the Eastern Cape. Luyt (2008) observes that poverty levels in South Africa remain high, and have not been greatly reduced since 1994. There is general agreement amongst Eastern Cape communities that more than two decades after apartheid has ended, nearly half of South Africa’s population continue to live in poverty. A common understanding, is that cooperatives are geared and established to address poverty, address both social and economic development, even though they also emphasise a social focus, they are expected to be operated on sound business principles.
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  • Date Issued: 2017

Gang and gang related incidents in selected correctional centres in the Eastern Cape : a behaviour analysis

  • Authors: Fitz, Lincoln Gustav
  • Date: 2017
  • Subjects: Prison gangs -- South Africa Corrections -- South Africa -- Eastern Cape Prisons -- South Africa -- Eastern Cape
  • Language: English
  • Type: Thesis , Doctoral , PhD
  • Identifier: http://hdl.handle.net/10353/9297 , vital:34319
  • Description: Institutional gangs, also known as the numbers gangs, have become a serious threat to the effective administration of correctional facilities in South Africa. Prior the 1980s, these gangs were active only in correctional centres, but due to modern trends in criminal activity and the gangs’ extensive drug operations, they have become active within communities too. The numbers gangs have a national network that controls activities in all correctional centres across South Africa; this network operates effectively and independently of geographical areas. The numbers gangs contribute a large proportion of all disciplinary offences (e.g., assault, smuggling, escape, sodomy, etc.) that take place in South African correctional centres. The purpose of this study was to explore the social and cultural dynamics of selected correctional centres, in order to understand the extent to which institutional gangs control and manipulate the correctional environment. The study also focussed on the individual-level characteristics of inmates as a contributing factor for deviant behaviour. The social processes that manifest in institutional misconduct and violence in correctional centres have been explained in the literature according to three theoretical perspectives; namely, the importation, deprivation and situational contextual perspectives. To develop a better understanding of the phenomenon of gang activities in correctional centres, this study is grounded in the Social Structure and Social Learning theory to explore the individual, social and cultural dynamics of the centre, making reference to these three perspectives. A mixed research design, comprising both qualitative and quantitative aspects, characterised the methodology used in this study. The data informing the study consisted of primary data (observations, interviews and questionnaires) and secondary data (source documents), with 151 inmates and several centre officials in three Eastern Cape correctional centres participating. This study was substantial for several reasons. It confirmed the findings of prior studies with respect to personal and social characteristics that inmates import into correctional centres, and, in addition, it expanded the existing literature with respect to how and why inmates import their deviant behaviour into correctional centres. It further brought a new element to the field of criminology, in identifying the demographic characteristics of inmates that contribute towards institutional gang membership and violence in correctional centres. The study also expanded upon prior findings regarding risk factors associated with institutional gang membership by developing a prediction model to predict possible gang membership prior to and after incarceration. Finally, this is the first known empirical study to examine the social and cultural contexts of gang membership in correctional centres in South Africa.
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  • Date Issued: 2017

Garnishee orders as a tax collection tool: a critical review of the South African and Zimbabwean models

  • Authors: Nzombe, Kudzanayi
  • Date: 2017
  • Language: English
  • Type: Thesis , Masters , MCom
  • Identifier: http://hdl.handle.net/10962/8082 , vital:21352
  • Description: Taxation statues of most jurisdictions contain provisions that deal with defaulting taxpayers. The taxation statutes of Zimbabwe and South Africa have employed the concept of garnishee orders as a method of recovering tax. This method is codified in the respective taxation statutes under the guise of “third party appointments”, or simply “appointment of an agent”. This method is very convenient and expeditious for the tax collection authorities, namely, the Zimbabwe Revenue Authority (ZIMRA) and the South Africa Revenue Service (SARS). Other jurisdictions have also employed this method, with varying degrees of invasiveness into the taxpayers’ constitutional rights. The concept of garnishee orders can have negative constitutional implications for the taxpayers in both Zimbabwe and South Africa. In Zimbabwe, compared to South Africa, the tax collection field is not as developed in terms of jurisprudence and the legislation. There are lessons that Zimbabwe could learn from South Africa, considering that the latter has experienced more than two decades of constitutional democracy. Therefore, in order to identify areas for development, the two jurisdictions are critically reviewed, with particular attention to the legislative provisions and case law dealing with garnishee orders in the tax collection context. Approaches employed by other countries in relation to similar concepts and provisions are also analysed. The lessons learned from this analysis could suggest a less invasive method of recovering tax from defaulting taxpayers and an approach to be followed by the tax authorities, ZIMRA and SARS that would allow them to fulfil their responsibilities and mandate with taxpayer-friendly measures.
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  • Date Issued: 2017

Gender, dialogue and discursive psychology: A pilot sexuality intervention with South African high-school learners

  • Authors: Jearey-Graham, Nicola , Macleod, Catriona I
  • Date: 2017
  • Subjects: To be catalogued
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/444326 , vital:74219 , xlink:href="https://doi.org/10.1080/14681811.2017.1320983"
  • Description: Good-quality sexuality education can be effective in reducing sexual health risks, but may also be disconnected from the lived realities of learners’ lives and reinforce gendered stereotypes. In line with the trend towards ‘empowerment’ in and through sexuality education, we implemented a pilot sexuality intervention with Grade 10 participants following a rigorous consultation process. Nine weekly group dialogues were held with 11 participants, with 2 follow-up sessions the next year. Freirian principles of critical consciousness and dialogical pedagogy, infused with discursive psychological understandings, were used to foreground gendered/sexual norms and to provide recognition for participants in a variety of gendered and sexual subject positions. Sessions were recorded, the facilitator kept a diary, and participants were asked to evaluate the intervention. The dialogical format of the group generated curiosity and engagement, and some participants took up a ‘responsible’ sexual subject position in a reflexive manner. A partial normalisation of some ‘hidden’ aspects of sex was enabled, and critical consciousness around some gendered inequities was promoted. We argue, first, that it is not so much sexuality education that young people need, but sexuality dialogues, and second, that a discursive psychology framework provides a nuanced and fruitful dimension to Freirean inspired ‘empowerment’ sexuality interventions.
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  • Date Issued: 2017

Gender-based affirmative action in the appointment of High Court judges

  • Authors: Van Heerden, Anneli
  • Date: 2017
  • Subjects: Affirmative action programs -- South Africa , Women judges Sex discrimination against women -- Employment -- South Africa Women -- Employment -- Law and legislation
  • Language: English
  • Type: Thesis , Masters , LLM
  • Identifier: http://hdl.handle.net/10948/21263 , vital:29468
  • Description: The legitimacy of the judiciary is dependent on the racial and gender diversity of the courts. As a result of the oppressive policies imposed by the apartheid government, the High Court judiciary in 1994 was composed almost exclusively of white men. Judges were appointed at the behest of the executive arm of government and political considerations undoubtedly played a role in the selection process. As a result, the integrity of the judiciary was severely compromised in that the composition was entirely unrepresentative of the population it served, and they were appointed in order to further the strict racial policies of the apartheid government. The Constitution of the Republic of South Africa came into being through multi-party negotiations and is to form the basis of a complete transformation of the South African society. In a clear move away from the judicial appointments procedure of the past, the Constitution specifies that judges are to be selected by the Judicial Services Commission which is an independent body composed of members from all three branches of the government. In its selection, the JSC is guided by section 174(2) of the Constitution which requires that the racial and gender demographics of the judiciary must be considered when judges are appointed so as to make the bench broadly reflective of the South Africa population. Systemic discrimination of the past denied women the opportunity to gain the necessary knowledge and experience to be eligible for appointment to the bench. Special measures are therefore needed to advance women’s career path to the judiciary. In 2010, the Judicial Services Commission adopted selection criteria to be considered when shortlisting and selecting candidates to be recommended to the President for judicial appointment. Included in these criteria is the consideration of symbolism and potential. Special measures to advance persons who were previously disadvantaged by discriminatory practices are permissible in terms of section 9(2) of the Constitution. It recognises that true substantive equality will not be achieved without special measures aimed at remedying to disadvantage still felt by many people in South Africa, including women. The imposition of such measures does, however, have limitations. In the judiciary, specifically, demographic considerations can not be the primary consideration when judges are appointed. This could lead to a judiciary that is incapable to dispense justice to the population it serves because it does not have the required skill, knowledge and experience. On the other hand, if judges are appointed solely on technical merit, the judiciary is likely to remain male-dominated. The JSC therefore has to carefully balance the need for demographic transformation of the judiciary with the need to appoint technically competent judges. In Minister of Finance v van Heerden, the Constitutional Court laid down three requirements which remedial measures must meet in order to pass constitutional muster. Firstly, the beneficiaries targeted by the remedial measure must be persons who have been discriminated against in the past. Secondly, it must be designed to protect or advance previously disadvantaged persons. Lastly, the remedial measures must promote the achievement of equality in the long term. Once a measures meets all three of these requirements, it is not considered to be unfair discrimination against previously advantaged persons who do not stand to benefit from the measure in question. To safeguard the independence of the judiciary, judges are not considered to be employees of the state. This means that the provisions contained in labour legislation which requires the adoption of a formal employment equity plan when imposing affirmative action measures is not directly applicable to the appointment of judges. The Promotion of Equality and Prevention of Unfair Discrimination Act envisages the adoption of equality plans in all spheres not governed by labour legislation. These provisions are, however, not yet in force. As a result, there is no legislation that requires the Judicial Services Commission to adopt a formal affirmative action policy, and appointments made to address the gender imbalances on the judiciary are made on an ad hoc basis which runs counter to the test formulated in van Heerden. A related problem is that the Judicial Services Commission has not given sufficient content on the criteria needed for judicial appointment. For instance, even though the Judicial Services Commission does consider the technical competence, it has not published any guidance as to what is considered to be the minimum threshold of formal qualifications or experience needed to be appointed to judicial office. This has led many people to speculate that certain judges are appointed for ulterior purposes or, alternatively, that there exists some racial or gender bias within the Judicial Services Commission. This holds unfortunate consequences for the perceived legitimacy of the judiciary and strengthens the call for more structure and clarity in the appointment of judges.
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  • Date Issued: 2017
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