Now showing items 1-10 of 102
An assessment of fish and fisheries in impoundments in the upper Orange-Senqu River Basin and Lower Vaal River Basin
(University of the Free State, 2016)
South Africa is an arid country that, as a result of the need to store water for domestic, industrial and agricultural use, has invested heavily in the construction of impoundments which now cover a total of approximately ...
Conditions characterizing the sustainability of smallholder irrigation schemes: the case of Bikita District Zimbabwe
(University of the Free State (Qwaqwa Campus), 2016-05)
This thesis examines conditions characterizing viability and sustainability of smallholder irrigation agriculture based on four smallholder irrigation schemes in Bikita District, Masvingo Province of Zimbabwe, namely ...
Aspects of the genetics of human aggressive bahaviour
(University of the Free State, 2016-02-11)
English: Abstract indicated in Script chapter by chapter
AutoCal: A software application for calibrating photometric data
(Academy of Science of South Africa (ASSAf), 2016)
We present a software application for the calibration of stellar magnitudes in the absence of standard stars. It uses an existing algorithm to match stars in the target’s field of view to catalogue entries and computes the ...
Characterization of macro- and micro-invertebrates and assessment of water quality in dams and rivers of Qwaqwa
(University of the Free State (Qwaqwa Campus), 2016)
This study was aimed at assessing water quality status and documentation of waterborne invertebrate organisms in freshwaters (rivers and dams) of Qwaqwa area of Maluti-A-Phofung municipality. Water samples were collected ...
Antioxidant, antidiabetic and cardioprotective activities of Dicoma anomala (sond.) used in the Basotho traditional medicine
(University of the Free State (Qwaqwa Campus), 2016-10)
Dicoma anomala (Sond.) belongs to the Asteraceae family and locally called Hloenya (South Sotho), fever or stomach bush (Afrikaans). The plant is used in the management of various diseases, particularly diabetes mellitus ...
In vitro arachidonic acid metabolism by polymicrobial biofilms of Candida albicans and Pseudomonas aeruginosa
(University of the Free State, 2016-07)
English: Interkingdom interactions between microorganisms facilitate the growth and survival of microbial communities, and the understanding of these interactions can be beneficial to mankind. These interactions may also ...
Gas bubble formation in fermenting and non-fermenting yeasts
(University of the Free State, 2016-02)
English: Literature previously suggested that intracellular gas bubble formation cannot occur in microorganisms even under high gas supersaturation. This observation was disproved with the discovery of gas bubbles in the ...
Mesofaunal assemblages in soils of selected crops under diverse cultivation practices in central South Africa, with notes on collembola occurrence and interactions
(University of the Free State, 2016)
English: Soil is a complex medium, comprised of both biotic and abiotic components. Interactions between these components are responsible for the beneficial services provided within different ecosystems. The biotic ...
Application of the cross-metathesis reaction as alternative methodology for the synthesis of paramethoxycinnamate analogues as sunscreen components
(University of the Free State, 2016-01)
2-Ethylhexyl p-methoxycinnamate [Octyl methoxycinnamate (OMC)] is an organic compound that is commercially used in the cosmetic industry as a UV blocker in sunscreen creams and lotions. Commercial production of this compound, ...