Browsing Faculty of Natural Science by Title
Now showing items 171-190 of 2560
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Assessment of raw and treated sewage using in vitro assays
(University of the Western Cape, 2014)Water scarcity is becoming an increasingly relevant problem for urban centres, especially in Southern Africa. However, water availability is not the only concern for consumers, because water quality is just as relevant. ... -
An assessment of river and wetland morphology dynamics using geospatial techniques
(University of the Western Cape, 2023)Land surface modification has intensified in recent years, and it continues to be an ongoing process. This raises serious concerns about changes in land use and land cover (LULC) since some of these changes have led to ... -
Assessment of sustainable groundwater utilization with case studies from semi-arid Namibia
(University of the Western Cape, 2016)The thesis addresses sustainability of groundwater utilization in arid and semiarid regions of Namibia. Recharge in this hydrogeological setting occurs as discrete events to aquifers that are bounded in extent. Case studies ... -
The assessment of the bactericidal effect of green synthesized silver nanoparticles against a panel of infectious microorganisms
(University of the Western Cape, 2016)The emergence of multiple drug resistant microorganisms poses a major threat to human life. These microorganisms have made the currently used antibiotics ineffective and therefore continue to thrive. Therefore, there is a ... -
Assessment of the biological quality of raw and treated effluents from three sewage treatment plants in the Western Cape, South Africa
(University of the Western Cape, 2011)The aim of this study was to compare the water quality of raw wastewater and treated sewage effluents from three different sewage treatment plants in the Western Cape, South Africa. The treatment plants investigated are ... -
Assessment of the contributions of water allocation reforms to achieving equitable access to water by smallholder emerging farmers in the Breede-Gouritz catchment management agency
(University of the Western Cape, 2018)The National Water Act of (1998) of South Africa has a goal of achieving equitable access to water resources, as well as achieving environmental sustainability and efficient use of water. Consequently, water resources ... -
An assessment of the dietary intake of pregnant women in the West Coast / Winelands region, Western Cape Province: relation to low birth weight
(University of the Western Cape, 2008)This secondary analysis aimed to develop dietary scores to assess the dietary intake of pregnant women in the West Coast/ Winelands region and determine the association with LBW. Further to determine the association between ... -
Assessment of the effects of clay diagenesis on some petrophysical properties of lower cretaceous sandstones, block 3a, offshore orange basin South Africa
(2013)Clay diagenesis phenomenon and their effects on some petrophysical properties of lower cretaceous silliciclastic sandstones, offshore Orange basin have been established. Previous studies on Orange basin revealed that ... -
An assessment of the influence of water allocation on sustainable water resources management: A case study of the Nyando river basin, Kenya
(University of the Western Cape, 2018)Water problems prevalent in the Nyando River Basin are due to an ineffective water allocation system and lack of adequate conditions for implementation of sustainable integrated water resources management (IWRM) strategies. ... -
Assessment of the potential of hospital birth records to estimate the number of births: A case study of Germiston and Nkomazi Local Municipalities
(University of the Western Cape, 2020)The advantage of a well-developed health information system is the significant role played by records produced by such a system beyond recording medical history of individuals. They are the foundation for birth registrations ... -
An assessment of the river flow contributions of tributaries and the effects of floodplain wetlands on spatio-temporal variations of river flows in the Nuwejaars river catchment, Cape Agulhas
(University of the Western Cape, 2019)Improved knowledge is required on the quantity and source of water resources, particularly evident during periods of drought currently being faced in South Africa. There is inadequate knowledge with regards to the flood ... -
An assessment of the virulence of listeria spp. isolated from raw milk and raw chicken
(University of the Western Cape, 1994)Listeria a f~rn__e pathogen is the etiological agent of the deadly disease listeriosis. Although, the virulence traits of international isolates of Listeria are well studied, nothing is known about the virulence traits ... -
Assessment of the water quality and quantity of the upper Liesbeek River dominated by Cannon Spring discharges: Ecological considerations for the Cannon Spring developmen
(University of Western Cape, 2021)The ecology of spring fed rivers has been under-studied in South Africa. As a result, little is known or documented on the effects of seasonal variation of flows on the species diversity, distribution and abundance of ... -
An assessment of three Carpobrotus species extracts as potential antimicrobial agents.
(University of the Western Cape, 2001)For centuries, indigenous people in South Africa have used a variety of medicinal herbs to treat chronic infections. This investigation focused on three Carpobrotus species, in an attempt to assess their potential antimicrobial ... -
Assessment of water service delivery in the municipalities of City of Tshwane, City of Cape Town and Ethekwini
(University of the Western Cape, 2016)Access to water and water scarcity are the most critical impediments to sustainable development in municipal water provision. Good water and sanitation services are essential for health, economic development, and environmental ... -
An assessment of water use by riparian and non-riparian invasive alien plants and the effects on water resources at the catchment scale
(University of the Western Cape, 2023)The diversity and increasing extent of invasive alien plants (IAPs) are currently a global ecological and economic problem, especially in semi-arid regions. The introduction of IAPs worsens the strain in South Africa’s ... -
Assisted flocculation of Chlorella Sorokiniana by co-culture with filamentous fungi
(University of the Western Cape, 2015)Biofuel production from microalgae is currently not economically competitive with fossil fuels due to high operational costs. A sustainable system needs to be developed which considers cultivation, harvesting and conversion ... -
Association between antioxidant activities and drought responses of two contrasting sugar beet genotypes
(University of the Western Cape, 2017)Sugar beet (Beta vulgaris L), which belongs to the Amaranthaceae family is a biennial crop widely used as a source of domestic sugar in the European countries, United States, China and Japan. However, in South Africa, sugar ... -
The association between environmental exposures during childhood and the subsequent development of crohn's disease in the Western Cape
(University of the Western Cape, 2015)Background: A subtype of inflammatory bowel disease, Crohn’s disease is thought to represent a complex interaction between environmental factors, a defective immune system, the gastrointestinal microbiome and genetic ... -
The association of BMI and blood pressure measurements with depressive and quality of life scores in university students
(University of the Western Cape, 2022)Depression is a very common and serious mental illness. Studies have shown that depression has a significant impact on both social and economic aspects of sufferers worldwide as well as in South Africa. Research has shown ...