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Thematische Bibliographien / Environmental aspects of African trypanosomiasis / Dissertationen

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Dissertationen zum Thema „Environmental aspects of African trypanosomiasis“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

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1

Harris, Peter-Dirk. "South African environmental taxes and investment incentives in practice." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/95565.

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Thesis (MBA)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: The South African economy is faced with a number of challenges as an upper-middle income country that is highly resource-intensive, with an open economy. It has a number of developmental goals that must be achieved in order to maintain environmentally conscious sustainable development. The country will have to find pioneering ways to address the poverty problems faced by a large proportion of its people, while still ensuring economic growth at a reduced cost to the environment. In an effort to promote the shift to a “green

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Shackleton, Charlie, and Nanamhla Gwedla. "Street trees contribute to urban sustainability in South African towns." Rhodes University, 2017. http://hdl.handle.net/10962/54269.

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Urban green spaces and trees are increasingly recognised as crucial elements in the quest for urban sustainability internationally, and for the promotion of urban liveability and quality of life in cities. So much so that many countries now have guidelines or regulations regarding either the amount of urban greenery that must be provided per capita, or the maximum distance that any dwelling can be from green spaces of stipulated sizes. For example, the European Union recently more than doubled its recommendation of 9 m2 of public green per person to 20 m2 per person.

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Smal, Desiree Nora. "The role of environmental sustainability in a design-driven fashion industry : a South African case study." Thesis, Cape Peninisula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2269.

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Thesis (DTech (Design))--Cape Peninsula University of Technology, 2016.<br>This thesis is an investigation into environmental sustainability in the South African fashion industry, with a particular focus on the role of design therein. The fashion and textile industry is a significant contributor to the South African economy and a major user of human and natural resources. It is through the use of resources – natural, constructed and human – that the industry is also supposedly damaging to the natural environment and the people working within it. Notable authors on environmentally sustainable d

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Page, Andre Paul. "The barriers and opportunities of resource efficiency and cleaner production within a South African context." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2800.

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Thesis (MTech (Business Administration))--Cape Peninsula University of Technology, 2017.<br>This research study investigates how environmental tools such as Resource Efficiency and Cleaner Production (RECP) can contribute to sustaining and supporting economic growth in South Africa. Resource optimisation is crucial when considering the concept of sustainable development. It also contributes to addressing the challenges of global warming and climate change, which in turn threaten industrial growth and sustainability in the long term. The study places emphasis on the barriers that prevent indust

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Wickens, Patricia Anne. "Interactions of the South African fur seal and fisheries in the Benguela ecosystem." Doctoral thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/22566.

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Bibliography: pages 168-180.<br>This thesis adopts an holistic approach to evaluation of the "seal problem", which encompasses the operational and biological interactions between the South African fur seal and fisheries in the Benguela Ecosystem. The operational interactions are examined using a qualitative assessment, and speculative, single-species simulation models are developed to improve understanding of seal population dynamics, present options for seal management and explore seal-fishery interactions. The models show that the probability of a seal living longer than 20 years is 14%; tha

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Gyan, Cecilia Adwoa. "A comparative analysis of environmental policies of South African universities." Thesis, Rhodes University, 2006. http://hdl.handle.net/10962/d1008067.

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There has been ongoing global concern on environmental issues and which is supposed to have moved down into smaller institutions and areas through local agenda 2l. Environmental issues are associated not only with care for the environment but also sustainable development. Various universities are beginning to strive for sustainable development and care for the environment. Some universities are therefore integrating care for the environment in their curricula and in their daily operations on campus. The greening of higher educational institutions as models is important as they are the seat for

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Lillah, Riyaadh. "Environmental management systems in South African small and medium-sized businesses." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/2909.

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Businesses have been criticised for their contribution towards the ever-increasing rate of destruction of the natural environment. Although businesses have responded by adapting their management practices, production processes and products, they still face a number of challenges in reducing their environmental impact. One way in which businesses have responded to the environmental crisis is by implementing environmental management systems. Despite the importance of environmental management implementation, researchers have neglected to identify the antecedents that could lead to environmental m

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Mcleod, Michelle. "Does environmental performance predict financial performance? A South African perspective." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/80774.

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Thesis (MBA)--Stellenbosch University, 2011.<br>Corporate environmental responsibility has engaged the attention of academics, practitioners and environmentalists for some time, creating pressure for companies to conduct business in an environmentally greener manner. To find economic support for such conduct by South African companies, this study aims to investigate whether superior environmental performance by South African listed companies leads to superior financial performance. A review of related literature identified significant diversity in research approach and methodology as wel

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Muller, Johannes Christoffel. "Comparative financial and environmental life cycle assessment of three South African pork production chains." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96815.

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Thesis (MScAgric)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: The world demand for animal proteins and profit-driven production has led to producing animal proteins intensively. Intensive pork production systems have traditionally had a poor image with the public, because these production systems are associated with environmental pollution. Currently, pigs are produced on highly specialised farms, and are fed concentrated (often imported) pig feed. The resulting higher production and higher animal densities contribute to an increased pollution of water, soil and air. The aim of t

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Thomas, Victor Frank. "A conceptual and empirical investigation into measuring aspects of urban food security in 12 Southern African cities." Master's thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/12239.

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Includes bibliographical references (leaves 211-250).<br>The issue of urban food security is a critical global issue, especially in Southern Africa. It is of such a pressing nature the United Nations (UN) has made it a Millennium Development Goal (MDG). Without a focus on urban food security the UN MDGs, regional goals and national goals will not be achievable. There is an urgent need to collect evidence and monitor the food security situation at the urban scale in Southern Africa (Crush and Frayne, 2010)...

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Magagula, Hezekiel Bheki. "Environmental management in military activities of the South African National Defence Force." Thesis, University of Fort Hare, 2016. http://hdl.handle.net/10353/5927.

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This thesis presents research findings on current environmental management practices used by the South African National Defence Force (SANDF). Two case studies are presented; the first is the Grahamstown Military Installation (6 South African Infantry Battalion) and the second the South African Army Combat Training Centre (42 Brigade). A combination of three sampling techniques, namely, the stratified, purposive and link-tracing (snowball) samplings were employed and structured questionnaires and semi-structured interviews with key SANDF officials were used as primary data. In addition, second

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Mainganye, Dakalo. "Synthesis of zeolites from South African coal fly ash: investigation of scale-up conditions." Thesis, Cape Peninsula University of Technology, 2012. http://hdl.handle.net/20.500.11838/915.

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Thesis submitted in fulfilment of requirements for the degree Magister Technologiae: Chemical Engineering In the FACULTY OF ENGINEERING At the CAPE PENINSULA UNIVERSITY OF TECHNOLOGY, 2012<br>The generation of electricity from coal in South Africa results in millions of tons of fly ash being produced each year. Less than 10 % of the fly ash generated is being used constructively and the remaining unused ash is currently inducing disposal and environmental problems. Intensive research on the utilisation of fly ash has been conducted either to reduce the cost of disposal or to minimise its impac

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Greenwood, Karin C. "Sea surface temperatures around the souhtern [i.e. southern] African coast : climatological aspects and applications." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53583.

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Thesis (MSc)--Stellenbosch University, 2003.<br>ENGLISH ABSTRACT: The oceanic and meteorological systems that characterize the southern African coastline are well-documented. In this thesis, these characteristics have been considered in conjunction with the analysis of a unique set of sea surface temperature (SST) data, obtained from measuring sites around the southern African coast, to determine the variability of SSTs in the immediate coastal region of southern Africa, and to demonstrate how this variability impacts on marinerelated economic activities. As part of the analysis process,

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Albertsen, Jo-Anne Rose. "Investigation of the effects of 2000 & 2007 flooding on food security in two East African countries." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/916.

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Flooding has been identified as the predominant, environmental generator of food emergencies. Climate change and climate variability have been blamed for these extreme weather events, which are envisioned to affect the future food security and nutritional status of populations across the African continent. It is thus expected that these weather phenomena will continue to increase in frequency and intensity as climate change progresses. Already, climate change has had a dramatic effect on the natural world with increased desertification, warming oceans, rising temperatures and changing weather

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Babalola, Adewumi Joseph. "Influence of the macro-economic environment on the construction sector's contribution to the South African economy, 1984 to 2011." Thesis, Nelson Mandela Metropolitan University, 2016. http://hdl.handle.net/10948/5618.

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The construction sector serves as the engine of growth to the South Africa economy because of its catalytic role in the growth and development of the country. This study focuses mainly on the influence of the macro-economic environment on the contribution of the private sector to construction in the South Africa economy from 1984 to 2011. Government construction work is considered to be an injection into the economy; in this regard, state construction is regarded as public investment in the economy; and therefore, it is anti-cyclic (Keynes, 1936). The aim of this study has been to develop an e

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Kaambo, Eveline. "Investigation of South African estuarine microbial species and genome diversity." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_8171_1186398717.

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<p>A study of the microbial diversity in sediments of the Great Berg River estuary is carried out using modern molecular phylogenetic methods. The aim of this study was to determine the effect of (pollution by) the effluents of the fish industry on the composition of the microbial community in the sediments. The diversity in microbial groups of sediment samples that received wastewater from the local fishing industry was investigated by a PCR-DGGE (polymerase chain reaction-denaturing gradient gel electrophoresis) approach and compared to an unaffected site.</p>

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Brouwer, Stephen Leonard. "An assessment of the South African east coast linefishery from Kei Mouth to Stil Bay." Thesis, Rhodes University, 1998. http://hdl.handle.net/10962/d1005076.

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During the period April 1994 and February 1996 as part of an investigation into the national Iinefishery, the east coast shore fishery and the recreational and commercial ski-boat fisheries were surveyed, at eight sites between Kei Mouth in the East and Stil Bay in the West. Roving creel, access point and aerial surveys were used. A questionnaire was developed for each sector to gather data on catch and effort, fisher demographics, economics, fisher attitudes towards, and knowledge of, the current management regulations and assess the efficacy of the fisheries inspectorate. During the access p

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Curran, Patrick. "Research and development of a preliminary South African voluntary carbon standard for landscape restoration projects." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1006968.

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The mandatory and voluntary carbon markets have both developed around the increasing trade of carbon offsets. In order to add legitimacy to an otherwise intangible commodity there has been a rise in the development of third party carbon certification standards, particularly in the voluntary market. These standards aim to provide independent, third party certification to projects that are developed specifically to generate and sell carbon offsets. South Africa has the opportunity to engage with these markets, but current participation in and certification of projects is sluggish. These projects

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Stands, Sarah Reed. "Utility-scale renewable energy job creation : an investigation of the South African Renewable Energy Independent Power Producer Procurement Programme (REIPPPP)." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96791.

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Thesis (MPhil)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: The South African Government developed the REIPPPP to ensure the implementation of Green Economy and job creation policies, while mitigating the current power crises with the short lead times of RE technologies. Current South African literature is ambiguous when discussing the legitimacy of the REIPPPP and the overall understanding of the programme and its associated outcomes in terms of job creation, are therefore, vague. A need therefore exists to unpack the quantitative job creation submissions of the REIPPPP and to carry o

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Du, Toit Ben-Johann. "The effects of eco-labelling on consumer behaviour in the non-foods fast-moving consumer goods category : a study of South African consumers." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/85161.

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Thesis (MBA)--Stellenbosch University, 2011.<br>A global increase in environmental awareness and concern about issues such as climate change, resource depletion and higher levels of pollution are having a greater influence on the purchasing decisions and product selection of consumers. In a response to this trend and growing demand for eco-friendly products, manufacturers introduced goods suggested to have a less harmful impact on the environment. A growing number of environmental logos and unsupported claims caused consumer scepticism and created a need for certified environmental logos, whic

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Oduro-Kwateng, George. "The evaluation of environmental reporting by publicly listed South African banks." Thesis, Rhodes University, 2010. http://hdl.handle.net/10962/d1003860.

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Recently, bankers have come to realise that banking operations, especially corporate lending, affect and are affected by the natural environment and that consequently, the banks might have an important role to play in helping to raise environmental standards. Although the environment presents significant risks to banks, in particular environmental credit risk, it also perhaps presents profitable opportunities. Stricter environmental regulations have forced companies to invest in environmentally friendly technologies and pollution control measures and in tum generated lending opportunities for

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Pindela, Nosizo. "Exploration of the extent of greenwashing in South African consumer products." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/97411.

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Thesis (MBA)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Greenwashing is a growing concern globally. The increase in the number of green-marketed products has resulted in an increase in greenwashing. Some companies market their products as green, while they are not. They then respond with greenwashing to neutralise condemnations from environmental laws and government or to gain competitive advantage. Investigations into the existence of greenwashing in developed countries have shown high percentages. This study was therefore aimed at investigating the magnitude of greenwashing in

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King, Marie Kumsher. "Evaluation of the Developmental Effects and Bioaccumulation Potential of Triclosan and Triclocarban Using the South African Clawed Frog, Xenopus Laevis." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc33178/.

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Triclosan (TCS) and triclocarban (TCC) are antimicrobials found in U.S. surface waters. This dissertation assessed the effects of TCS and TCC on early development and investigated their potential to bioaccumulate using Xenopus laevis as a model. The effects of TCS on metamorphosis were also investigated. For 0-week tadpoles, LC50 values for TCS and TCC were 0.87 mg/L and 4.22 mg/L, respectively, and both compounds caused a significant stunting of growth. For 4-week tadpoles, the LC50 values for TCS and TCC were 0.22 mg/L and 0.066 mg/L; and for 8-week tadpoles, the LC50 values were 0.46 mg

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Bridgman, Corrie. "Biodiversity and the South African wine sector: a successful blend?" Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2789.

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Thesis (MA (Geography and Environmental Studies))--University of Stellenbosch, 2009.<br>The acceleration of biodiversity loss is understood to threaten the ecosystems upon which life on earth depends. Existing conservation approaches have proved insufficient to stem global biodiversity losses. Mounting evidence indicates that responsible biodiversity conservation requires an integration of ecology with economics. Accordingly, contemporary conservation interventions incorporate a concept that ecosystems and biodiversity can be used and also conserved. In South Africa, such interventions ca

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Molapo, Ntahli Ashley. "Waste handling practices in the South African high-throughput poultry abattoirs." Thesis, Bloemfontein : Central University of Technology, Free State, 2009. http://hdl.handle.net/11462/36.

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Thesis (M. Tech.) - Central University of Technology, Free State, 2009<br>The production of poultry meat at abattoirs implies a tremendous amount of organic matter that requires environmentally and biologically safe disposal or utilisation. As a result, waste management is a concern in poultry abattoirs worldwide. Problems with proper storage, handling, management and utilisation of by-products have come to the forefront in planning, establishing and operating of poultry abattoirs. The rationale for this study centres on the need for the review of poultry abattoir waste management practices,

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Brown, Mary Ashby. "Opportunities, obstacles, and implications for ethical trade in the South African wine industry." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52387.

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Thesis (MScAgricAdmin)--Stellenbosch University, 2001.<br>ENGLISH ABSTRACT: This research paper attempts to elucidate the main issues surrounding the integration of ethical trade, meaning the building, monitoring, and communicating of social and/or environmental responsibility, within the South African wine industry. The author first establishes the hypothesis that social and/or environmental responsibility is important to the South African wine industry, as this investment could theoretically provide the industry with a competitive advantage in an increasingly cutthroat international wi

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Hall, Madison. "What limits an invasive biotic and abiotic effects on the distribution of the invasive mussel mytilus galloprovincialis on the South African coastline." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1017805.

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Broomhall, Lynne Susan. "Cheetah Acinonyx jubatus ecology in the Kruger National Park : a comparison with other studies across the grassland-woodland gradient in African savannas." Diss., University of Pretoria, 2002. http://hdl.handle.net/2263/29648.

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The objectives of this study were(1) to analyse a data-set on cheetah home range size, habitat utilisation, prey selection and hunting behaviour in the Kruger National Park (KNP), and (2) conduct a comparative study on the above aspects of cheetah ecology across a variety of African savanna ecosystems. Cheetah home range sizes in the KNP for territorial male cheetahs were 173 km2, 438 km2 for a nomadic male cheetah coalition, and 193 km2 and 179 km2 for two female cheetahs. Cheetahs preferred open savanna habitat, although females used areas with thicker bush such as drainage lines) more than

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Dube, Carolina. "Implementing education for sustainable development : the role of geography in South African secondary schools." Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71683.

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Thesis (PhD)--Stellenbosch University, 2012.<br>Includes bibliography<br>ENGLISH ABSTRACT: During the Decade of Education for Sustainable Development (DESD) (2004-2015), better teaching and learning of environmental education and education for sustainable development (EE and ESD) in schools is one of the main responses to the worsening state of the global environment. Environmental concerns are integrated into the South African school curricula; in the General Education and Training (Grades R-9) (GET) and Further Education and Training (FET) phases through the principles that underpin the

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Murray, Robin Anne. "On my watch : a review of the environmental education literature with particular reference to South Africa, and South African teenagers." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96937.

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Thesis (MPhil)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: About half a million students matriculate from South African high schools each year, with limited environmental education and an underdeveloped capacity to live sustainable lives. This does not seem to be the case in some other parts of the world, where many high school students appear to be receiving education that is relevant to the socio-ecological crisis. The rationale of this thesis was to understand this phenomenon and explore what could be done to improve the situation for South African teenagers. This was a desktop st

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Lipschitz, Steven. "Pollution control investment decisions and policy preferences of senior managers of the Southern African fish processing industry." Doctoral thesis, University of Cape Town, 1990. http://hdl.handle.net/11427/17268.

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Bibliography: pages 134-147.<br>Pollution control regulations directed at the land-based factories of the Southern African fish processing industry do not appear to promote the required level of investment in pollution control systems. Two self-administered mail-questionnaires comprising undisguised fixed-alternative and open-ended questions were constructed to survey the opinions and viewpoints of a census consisting of twenty-seven senior managers responsible for making pollution control investments in the demersal and pelagic sectors of the fish processing industry. The first questionnaire

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Raad, Morgan. "The influence of social responsibility initiatives on the South African wine consumers planned behaviour." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/96205.

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Thesis (MBA)--Stellenbosch University, 2014.<br>The market benefits and competitive advantage of integrating social responsibility initiatives are well known within the global marketing context. More recently, this movement had notably increased within the South African wine industry, where wine producers are integrating philanthropy into their overall business operations. The purpose of this study was to examine whether the marketing of social responsibility initiatives, within the South African wine industry, would lead to a positive consumer attitude towards a brand and result in influenci

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Rothkegel, Lisa. "The power of power : regime dynamics and the Southern African power pool." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79984.

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Thesis (MA)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Electricity is the key to economic growth and numerous aspects of human development. Africa’s installed generation capacity is dire, alongside it being the biggest funding backlog the power sector. There is however hope with the projection that to date, only 7% of this power potential has been harnessed. The increased acknowledgement of the importance of electricity for states to improve along with the knowledge that the capacity is there, has driven states within Southern Africa, to engage in increased and committed cooperation

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Lucas, Lance Andrew. "Toll-like receptor genes and their pathway : role in susceptibility to pulmonary tuberculosis in a South African population." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20390.

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Thesis (MScMedSc)--Stellenbosch University, 2012.<br>Bibliography<br>ENGLISH ABSTRACT: The communicable disease tuberculosis (TB) is responsible for millions of deaths each year, on a global scale. At present the contribution of host genetics in TB is generally accepted and, together with environmental aspects (e.g. nutrition and crowding) and the causative bacterium, Mycobacterium tuberculosis (M. tuberculosis); it will possibly have a hand in the outcome of disease. Clearly, TB is a multifaceted disease and the repercussions for studying genetic susceptibility are that many genes will p

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Du, Plessis Pieter Wynand. "Process design for the up-scale zeolite synthesis from South African coal fly ash." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/859.

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Dissertation submitted in fulfilment of requirements for the degree Master of Technology: Chemical Engineering In the FACULTY OF ENGINEERING 2014<br>In South Africa only 5% of the coal fly ash produced annually by power stations finds use. Due to the high quantities of Si and Al in the coal fly ash researchers have explored the opportunity to use the fly ash as a feedstock in zeolite synthesis. Two principal methods have been successfully employed on a micro scale namely the 2-step method and fusion assisted method. However, in order to scale-up these processes some fundamental process design

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Ngwadla, Xolisa. "An evaluation of building sustainability considerations in South Africa : a case of the SAIAB building." Thesis, Rhodes University, 2007. http://hdl.handle.net/10962/d1008375.

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The theory of sustainable development has received worldwide acceptance, and is characterised by the protection of environmental quality, social justice and economic development to ensure a quality of life for future generations. The concepts of sustainable development have transcended to all aspects of society, including the built environment through the Habitat Agenda and building sustainability rating tools. The thesis investigates the implications of sustainable development on how it relates to the building construction industry in South Africa. The study sought to evaluate the extent of c

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Moremi, Kelebogile Elizabeth. "Analysis of single nucleotide polymorphisms with opposite effects on serum iron parameters in South African patients with multiple sclerosis." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86252.

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Thesis (MMed)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: There is growing interest in how genetic and environmental risk factors interact to confer risk for dysregulated iron homeostasis, which is considered a possible pathogenic mechanism in multiple sclerosis (MS). While iron deficiency has been associated with greater disability and disease progression, cerebral accumulation and overload of insoluble iron has also been reported in MS patients. Variation in the matriptase-2 (TMPRSS6) gene has recently been described that may lead to reduced iron levels, which raised the question of

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Esterhuyse, Willem Petrus. "The sustainability balanced scorecard : its theory and applications to companies operating within the South African fishing industry." Thesis, Stellenbosch : University of Stellenbosch, 2008. http://hdl.handle.net/10019.1/816.

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Thesis (MBA (Business Management))--University of Stellenbosch, 2008.<br>AFRIKAANSE OPSOMMING: Verskeie korporatiewe fiaskos gedurende die afgelope dekade het wêreldwye opskudding veroorsaak met die gevolg dat daar vanaf ‘n nuwe oogpunt gekyk word na die wyses waarop korporasies bestuur word. Terselfdertyd is daar ‘n wêreldwye belangstelling gekweek in volhoubare ontwikkeling en korporasies se bydrae daartoe. Dit, tesame met korporatiewe bestuur, het tot die gevolg gehad dat die fokus vanaf die tradisionele finansiële verslaggewing geskuif het na rapportering op die sogenaamde “Tripple B

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Jennings, Michael Evan. "Nutrient dynamics in and offshore of two permanently open South African estuaries with contrasting fresh water inflow." Thesis, Rhodes University, 2006. http://hdl.handle.net/10962/d1005421.

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The nutrient dynamics in two contrasting estuaries and in the adjacent nearshore environment along the south-east coast of South Africa was investigated seasonally. Due to an inter-basin transfer of water from the Gariep Dam to the Great Fish River, the Great Fish estuary is a fresh water dominated, terrestrially driven system with an annual fresh water inflow of 250 – 650 x 10⁶ m³ per year. In contrast, the Kariega estuary is a fresh water deprived, marine dominated system with a fresh water inflow estimated at 2.5 – 35 x 10⁶ m³per year. The reduced fresh water inflow into the estuary is attr

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Smit, Jacobus Johannes. "The carbon footprint of the South African Police Service as a benchmark for the reduction of greenhouse gas emissions and improvement of energy efficiency and the identification and elimination of barriers in these processes." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/80786.

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Thesis (MBA)--Stellenbosch University, 2011.<br>The world as we know it is in a warming cycle. The rate of warming is being exacerbated by human activity; more specifically, the burning of fossil fuels to power expanding economies. Awareness that something must be done before a catastrophic point of no return is reached, has become more urgent. Before any strategies can be developed to reduce greenhouse gas emissions, the levels must be accurately measured to provide a benchmark and to determine reduction targets. The determination of an organisation’s carbon footprint is thus the starti

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Pretorius, Jakobus. "Investigation of the relationship between genetic and environmental risk factors associated with obesity and insulin resistance in South African patients with non-alcoholic fatty liver disease(NAFLD)." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71689.

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Thesis (MSCMedSc)--Stellenbosch University, 2012.<br>Includes bibliography<br>ENGLISH ABSTRACT: Non-alcoholic fatty liver disease (NAFLD) is the most prevalent chronic liver disease in the world. The disease spectrum of NAFLD extends from steatosis (types 1,2) to non-alcoholic steatohepatitis (NASH) with inflammation (types 3,4). The aims of the study were 1) to analytically validate high-throughput real time polymerase chain reaction (RT-PCR) assays for three selected single nucleotide polymorphisms (SNPs), FTO rs9939609 (intron 1 T>A), TNF-α rs1800629 (-308 G>A) and PPARγ rs1801282 (Pro12Ala

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Goble, Tarryn Anne. "Towards the development of a mycoinsecticide to control white grubs (Coleoptera: Scarabaeidae) in South African sugarcane." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1001748.

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In the KwaZulu-Natal (KZN) Midlands North region of South Africa, the importance and increased prevalence of endemic scarabaeids, particularly Hypopholis sommeri Burmeister and Schizonycha affinis Boheman (Coleoptera: Melolonthinae), as soil pests of sugarcane, and a need for their control was established. The development of a mycoinsecticide offers an environmentally friendly alternative to chemical insecticides. The identification of a diversity of white grub species, in two Scarabaeidae subfamilies, representing seven genera were collected in sugarcane as a pest complex. Hypopholis sommeri

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Nolting, Janine. "Proposed South African management framework for the implementation of the International Convention for the Control and Management of Ships' Ballast Water and Sediments." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1003907.

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South Africa, strategically situated at the southern tip of Africa, is edged on three sides by almost 3000 km of coastline surrounded by the Indian Ocean and the Atlantic Ocean (South African Tourism, 2011). This vast ocean expanse is responsible for conveying approximately 96% of South Africa’s exports (Brand South Africa, 2011). Despite the positive economic effects of the shipping industry, translocation of harmful organisms and pathogens via ballast water and sediments inside ballast water tanks has far reaching global environmental (and economic) impacts (Oliviera, 2008:1; David and Golla

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Madzwamuse, Masego S. "Adaptive livelihood strategies of the Basarwa: a case of Khwai and Xaxaba, Ngamiland district, Botswana." Thesis, Rhodes University, 2006. http://hdl.handle.net/10962/d1005286.

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This thesis looks into the land use and natural resource management systems of Basarwa communities in Ngamiland in the northwest of Botswana. The study specifically focuses on Basarwa communities living in and on the edges of the Okavango Delta. The link between these communities and their natural resources is explored using the Sustainable Rural Livelihoods Framework and the Adaptive Renewal Cycle. The core assumption in this thesis is that livelihood strategies are constantly renewed and adapted to promote resilience in ecological and social systems. Fieldwork data collected between May 2000

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Van, Riet Gideon. "HIV/AIDS and climate in food security crises : a study of Southern Africa, 2001-2005 /." Thesis, Link to the online version, 2006. http://hdl.handle.net/10019/1328.

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Donovan, Bruce. "A retrospective assessment of the Port Alfred linefishery with respect to the changes in the South African fisheries management environment." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1008298.

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Since the study on the Port Alfred/Kenton-on-Sea/Boknes linefishery by Hecht and Tilney (1989) there have been substantive changes to the linefish management environment in South Africa. Using the Port Alfred linefishery as a model, the aim of this study was to evaluate the effectiveness of the linefish management regulations that were implemented by Marine and Coastal Management (MCM) since 1992, and to assess the behaviour and 'status' of the fishery in response to these changes. Changes to both the licensing structure and catch regulations have had a significant effect on the functioning of

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Bizaaré, Lorelle Claire. "Evaluation of congopain and Oligopeptidase B as anti-disease vaccines for African Trypanosomiasis." Thesis, 2008. http://hdl.handle.net/10413/10916.

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The protozoan parasite Trypanosoma congolense is one of the aetiological agents of African animal trypanosomiasis that is transmitted by the tsetse fly. The parasite causes nagana in animals and affects livestock throughout sub-Saharan Africa. The toxicity of available drugs and the emergence of drug resistant parasites have affected the treatment of trypanosomiasis. Control of the disease has also been difficult due to ineffective vector control and the potential of trypanosomes to express hundreds of antigenetically distinct proteins on their surface. Vaccination against trypanosomiasis has

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Hadebe, Sabelo Goodman. "Investigation of the molecular adjuvant potential of Trypanosoma congolense BiP/HSP70 using congopain as model antigen." Thesis, 2011. http://hdl.handle.net/10413/10192.

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African animal trypanosomiasis is a major threat to African agriculture causing a loss estimated to 4.5 billion US$ per annum. Trypanosoma congolense is the major causative agent in African animal trypanosomiasis and is transmitted by tsetse flies of the Glossina spp. Congopain, a major cathepsin L-like cysteine peptidase in T. congolense is associated with trypanotolerance in N‘Dama cattle and is a target for an anti-disease vaccine. It is suggested that trypanotolerant cattle control the disease by antibody mediated neutralisation of congopain, and that immunisation of cattle against congopa

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Kruger, Elizabeth. "Cultivating natures: movements in South African permaculture." Thesis, 2017. https://hdl.handle.net/10539/24624.

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A thesis submitted to the Faculty of Humanities, University of the Witwatersrand, in fulfilment of the requirements for the degree of Doctor of Philosophy (Anthropology), 2017<br>Environmental history and anthropology are disciplines yet in their infancy in South Africa, and still leave many opportunities for further research. The global permaculture movement has emerged as one amongst an array of environmental movements in South Africa that seek alternatives to industrialised capitalist economics which have been identified by many observers as problematic and deleterious to both human and eco

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Agyepong, Adelaide Owusu. "An assessment of green procurement practices in South African metropolitan municipalities." Thesis, 2014. http://hdl.handle.net/10500/18486.

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Environmental degradation is a global challenge that affects all. One of the most prominent impacts of environmental degradation is the climate change phenomenon. The adverse impacts of climate change have given rise to responses aimed at retarding, halting and learning to live with the already present effects of climate change. These responses to climate change fall into two broad categories: mitigation and adaptation. Mitigation addresses the climate change challenge through seeking a reduction or elimination of anthropogenic generated greenhouse gas emissions into the atmosphere. Adaptation

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