College of Agriculture and Environmental Sciences: Recent submissions

Now showing items 521-540 of 829

Minimum entropy techniques for determining the period of W UMA stars

McArthur, Ian Albert (2014-08)

This MSc report discusses the attributes of W Ursae Majoris (W UMa) stars and an investigation into the Minimum Entropy (ME) method, a digital technique applied to the determination of their periods of variability. A Python ...
A determination of the key factors and characteristics that SME-scale commercial biomedical ventures require to succeed in the South African environment

Sayer, Jeremy Ryan (2015-03)

The potential for private sector healthcare business in Africa has been forecasted to reach $35 billion by 2016, with South Africa being regarded as the most industrially advanced country on the continent. South Africa’s ...
A remediation and sustainable rehabilitation strategy for Manuel Street Park, Johannesburg Gauteng : microbial treatment, landscaping and public needs assessment

Maphorogo, Alusani Adzifheli Emmanuel (2015-02)

Introduction Run-off from Johannesburg mine dumps is a source of environmental pollution and a public health concern. This study focussed on assessing and developing remediation strategies for Manuel Street Park (MSP) ...
Characterisation and management of non-formal solid waste management disposal sites in Harare, Zimbabwe

Mahamba, Caston (2015-02)

The study focused on the characterisation and management of non-formal solid waste disposal sites in Harare, the capital city of the Republic of Zimbabwe. In many developing countries, increasing urbanisation surpasses the ...
Review of local institutional arrangement for Zone 3 community wetland in Sebokeng, Gauteng, South Africa

Siyaya, Jabulani Sebenzani (2015)

The study focused on the role of the local community in the management of wetland. The study was triggered by the lack of participation of the local community in the management of the wetland. It is important to note that ...
Analyses of the impacts of bacteriological seepage emanating from pig farming on the natural environment

Mofokeng, Dikonketso Shirley-may (2014-03)

Modern pig farming production may over burden the environment with organic substances, exposure of bacterial pathogens and introduction of resistance gene. This may be caused by the pig’s droppings, lack of seepage management ...
Evaluation of Iron (Fe) and Zinc (Zn) concentration among selected potato (Solanum tuberosum) genotypes in South Africa

Managa, Lavheselani Rodney (2015-10)

Potato is an important source of energy to most micronutrient malnourished affected population in South Africa. Improvements through bio-fortification can therefore enhance access to essential micronutrients. The study was ...
The effect of processing techniques on the microbiological and nutritional qualities of the leafy vegetables Vigna unguiculata and Moringa oleifera grown in South Africa

Otun, Oluwatobi Sarah (2015-02)

Cowpea (Vigna unguiculata) and moringa (Moringa oleifera) are nutritious and medicinal vegetables, but could also harbor harmful microbial contaminants. The main aim of the project was to determine the effect of each ...
Remote sensing of leaf area index in Savannah grass using inversion of radiative transfer model on Landsat 8 imagery : case study Mpumalanga, South Africa

Masemola, Cecilia Ramakgahlele (2015-03)

Savannahs regulate an agro-ecosystem crucial for the production of domestic livestock, one of the main sources of income worldwide as well as in South African rural communities. Nevertheless, globally these ecosystem ...
Current waste management and minimisation patterns and practices : an exploratory study on the Ekurhuleni Metropolitan Municipality in South Africa

Gumbi, Sibongile Euphemia (2015-08)

Growing municipal waste mismanagement and associated environmental impacts is an enormous environmental concern in developing countries such as South Africa. Hence, this study explored current waste management and ...
African immigrant traders in Johannesburg inner city, South Africa : deconstructing the threatening other

Moyo, Inocent (2015-05)

African immigrants in contemporary South Africa can be perceived as a problem – the threatening other. Based on a case study of the Johannesburg inner city, this thesis aims to deconstruct this notion. It does so by ...
Assessment of pathogenic bacteria and heavy metal pollution in sediment and water of Kahwa River, Bukavu, Democratic Republic of the Congo

Manegabe, Bahati Justin (2015-02)

Anthropogenic activities generate waste products that pollute the environment with bacteria and heavy metals. This research assessed pollution of the Kahwa River, Bukavu Town, DRC with cadmium and lead (HMs) and bacterial ...
Detection and molecular identification of Mucorales isolated from spoilt agricultural commodities collected in fresh produce markets in Gauteng province, South Africa

Kwinda, Grace Thiambi (2014-12)

Fruit and vegetables are often spoilt during storage, handling and transportation due to microorganisms. The common spoilage causes are fungi within the order Mucorales, the largest order of the class Zygomycetes. Such ...
Isolation and characterisation of the active phyto-pharmaceutical ingredient from Lobostemon trigonus for use in the development of a microbicide

Mbobela, Phindiwe Felicia (2015-01)

The HIV-1 pandemic affects millions of people worldwide with approximately 70% of those affected residing in sub-Saharan Africa (SSA) relying on traditional medicines for treatment. The key aim of the study was to isolate ...
Degradation kinetics of carbohydrate fraction of commercial concentrate feeds for weaned calves, heifers, lactating and dry dairy cattle

Agboola, Olabisi Dorcas (2015-06)

Variations in composition and disappearance of nutrients in dairy cattle feeds are dictated by ingredients, methods of processing, storage while milk production levels depend on the animal, environmental factors and largely ...
Participatory mapping and the use of GIS for sustainable land use planning in the Hardap Region, Namibia

Mundia, Lisho Christoh (2015-08)

Namibia, like most developing countries, lacks complete and comprehensive sustainable land use plans. This has a negative impact on a range of land use activities. Although Geographical Information System (GIS) is used as ...
Radiation sensitivity and molecular characterization of water-borne multidrug resistant escherichia coli

Odonkor, Stephen Tawiah (2014-05)

The spread of antibiotic-resistant microorganisms in the environment is recognized widely as an important public health issue, with concerns about future ability to treat infectious diseases. The main risk to public health ...
The morphology, reproductive biology and habitat utilisation of the exotic invasive lizard, the brown anole (anolis sagrei), in Taiwan

Norval, Gerrut (2014-12)

Surveys and vegetation analyses were used to determine the known distribution and the characteristics of the habitat utilised by Anolis sagrei in Taiwan. Sampled lizards were used for morphological comparisons, and to ...
Assessment of the waste management practices at Transnet National Ports Authority, Port of Richards Bay

Naidoo, Neal Craig (2015-05)

Based on literature review, statistics of waste management at ports in South Africa is hard to come by. The research critically assessed the current waste management practices at Transnet National Ports Authority. Transnet ...
Antioxidative, analgesic and anti-inflammatory activities of Acokanthera oppositifolia, Plantago lanceolata, Conyza canadensis, and Artemisia vulgaris

Ondua, Moise (2015-02)

The anti-inflammatory properties of four medicinal plants were investigated. These plant extracts were subjected to screening for their possible effects as antioxidative, analgesic, and anti-inflammatory agents. In the ...

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