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Department of Environmental Sciences: Recent submissions

Now showing items 321-340 of 386

Prevalence of organo-microbial entities in selected commercial foods and food wrappers

Masakona, Ndingoho (2011-10)

Phthalate esters (PEs) belong to a class of organic compounds used as plasticisers in plastic materials such as polyvinyl chloride (PVC), polypropylene (PP), polyethylene terephthalate (PET) and so on, including those ...
Compost bioremediation of oil sludge by using different manures under laboratory conditions

Ubani, Onyedikachi (2012-06)

This study was conducted to measure the reduction in polycyclic aromatic hydrocarbons (PAHs) content in oil sludge by co-composting the sludge with pig, cow, horse and poultry manures under laboratory conditions. Four ...
The contribution of small-scale timber farming in enhancing sustainable livelihood at Sokhulu

Jele, Zanele (2012-05)

Small-scale timber farming provides alternative income for growers selling to forestry, procurement companies and timber suppliers or agents. The research used focus groups and structured questionnaires in the Sokhulu area ...
An evaluation of the cumulative surface water pollution within the consolidated main reef area, Roodepoort, South Africa

Muruven, Dean Nalandhren (2011-11)

Surface water pollution is prevalent in numerous areas of central Roodepoort mainly due to gold mining activities. The surface water quality for the Bosmontspruit, Russell’s Stream and the New Canada Dam was assessed ...
Bioremediation of polychlorinated biphenyls (PCBs)-contaminated soil by phytoremediation with Chromolaena odorata(L) R.M. King and Robinson

Anyasi, Raymond Oriebe (2012-05)

The ability of Chromolaena odorata propagated by stem cuttings and grown for six weeks in the greenhouse to thrive in soil containing different concentrations of PCB congeners found in Aroclor and transformer oil, and to ...
Prevalence of endocrine disrupting phthalate esters in selected foods and food wrappers from some supermarkets around Pretoria, South Africa

Baloyi, Ntsako Dellas (2012-06)

Food is one of the main routes by which xenobiotic (synthetic) chemicals enter the body of man and wildlife. The routes could be from wrappers in which the foods are presented with possible transfer of the compounds to ...
A water resources quality assessment case study involving a package plant in Mogale city

De Bruyn, Karin (2011-11)

Inadequately treated wastewater effluent is harmful to the receiving aquatic environment. Water-borne chemicals and microbial pathogens pose a health risk to anyone living downstream from sewage treatment facilities. This ...
Impact on climate change and adaptation on cattle and sheep farming in the Eastern Cape Province of South Africa

Mandleni, Busisiwe (2011-10)

This study focused on the impact of climate change and adaptation on small-scale cattle and sheep farming in the Eastern Cape province of South Africa. Using information from 500 livestock farmers between 2005 and 2009 ...
Strategy for the sustainable development of thermal springs : a case study for Sagole in Limpopo Province

Tshibalo, Azwindini Ernest (2011-06)

This research aims to investigate the diverse uses of thermal springs and to develop strategies to identify those most appropriate for Sagole with due regard given to the economic, social and environmental aspects. The aim ...
The Grassland vegetation of Platberg, eastern Free State, South Africa

Robert F. Brand, Leslie R. Brown, Pieter J. du Preez (Koedoe, 2011)

Platberg is an inselberg that presents a refuge for indigenous plants and animals. Uncontrolled human access to this area threatens this sensitive ecosystem. The vegetation of Platberg was investigated to obtain an ...
Application of meteorological satellite products for short term forecasting of convection in Southern Africa

de Coning, Estelle (2010-11)

Thunderstorms, due to their high frequency of occurrence over southern Africa, and their major contribution to summer rainfall are the primary focus of very short range forecasting and nowcasting efforts in South Africa. ...
Oil pollution management and environmental assessment in the Niger Delta : a case study of operations of Chevron Nigeria LTD in Ugborodo community in Delta State of Nigeria

Eyitsede, Tosan S. N. (2010-09)

Since the discovery of oil in Nigeria, way back in 1950s, the country has invariably suffered some negative environmental consequences such as oil pollution resulting from gas flaring and oil extraction, loss of mangrove ...
Establishment of composting facilities on landfill sites

Du Plessis, Roelien (2010-11)

Waste minimisation is implemented worldwide and has become an urgent priority in South Africa as evidenced in the promulgated National Environmental Management Waste Act (2008). The most common waste disposal method in ...
Elephant impact on the large tree component and its potential effect on selected fauna

Rode, Sieglinde Corny (2010-11)

The aim of the study was to determine the consequences of elephant (Loxodonta africana) impact on selected nesting sites of avian fauna and other species in the Associated Private Nature Reserves. The study also aimed at ...
Influence of waterfalls on patterns of association between trout and Natal cascade frog Hadromophryne natalensis tadpoles in two headwaterstreams of the Ukhahlamba Drakensberg Park World Heritage Site

Karssing, Jeffery Robert (2010-06)

Current literature suggests that little, if any, research has been conducted in South Africa to determine the impact of alien invasive trout on indigenous amphibian biodiversity. The primary aim of the research project was ...
The phytosiology of the natural vegetation occuring in the Cradle of Humankind World Heritage Site Gauteng, South Africa

Eloff, Gareth (2010-11)

The natural vegetation of the Cradle of Humankind World Heritage Site (COH WHS) was classified using Braun-blanquet methodology. This identified 22 distinct plant communities and 2 variants. Sampling took place over two ...
An investigation into the compliance of selected nurseries of selected nurseries and garden centres within Kwazulu-Natal Ethekwini and the Umsunduzi geographical regions, with the Conservation of Agricultual Resources Act 1983 (Act no. 43 of 1983) CARA and the National Environmental Management: Biodiversity Act 2004 (Act no. 10 of 2004) NEMBA

Badenhorst, Astrid Beverley (2011-02)

This dissertation examines nursery/garden centre compliance with Invasive Alien Plant (IAPs) legislation in eThekwini and uMsunduzi, South Africa. Despite South African governmental programmes, an apparent lack of public ...
Molecular characterization of Aeromonas hydrophila and antimicrobial activities of selected medicinal plants against pathogenic isolates from water and stool samples in the era of HIV/AIDS in Limpopo Province, South Africa

Ramalivhana, Naledzani Jeoffry (2010-05)

Aeromonas hydrophila is distributed widely in nature and is responsible for an array of human infections. Several studies on the isolation and characterisation of the organism abound. Although there are reports on the ...
Indigenous plants in the Limpopo province : potential for their commercial beverage production

Rampedi, Isaac Tebogo (2010-12)

South Africa has over 19 500 different indigenous plant species. Most of these are of ethnobotanical significance and are still used by local rural communities as medicine, food and for making beverages. The relatively ...
Assessing the implementation of the Robford conservation community benefit centre model

Hicks, Robert William (2010-03)

Ecotourism has often failed to deliver appropriate, tangible benefits to host communities living near protected areas in developing regions of Africa. The Robford Community Conservation Benefit Centre (RCCBC) model ...

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