Browsing by Subject "Vaal River"
Now showing items 1-10 of 15
-
Besinning oor die hidrosfeer van die Vaalrivier in die omgewing van die Vredefortkoepel, 1840-2012
(Art Historical Work Group, 2014)Observations on the hydrosphere of the Vaal River in the vicinity of the Vredefort Dome. In the 19th century Southern Africa experienced a phase of notable and increased population mobility in the form of migrations. The ... -
Biodiversity and systematics of parasitic Crustacea infesting southern African freshwater fishes
(North-West University (South Africa), 2023-10)Crustaceans (Arthropoda: Crustacea) are regarded as the most morphologically diverse group in the phylum Arthropoda, and they have the greatest diversity of parasitic forms. Parasitic crustaceans have adapted several ... -
Habitat preferences and movement of adult yellowfishes in the Vaal River, South Africa
(Academy of Science of South Africa (ASSAf), 2013)The yellowfishes of the Vaal River (Labeobarbus kimberleyensis and L. aeneus) are charismatic, socially and economically important fishes, but very little is known about their interspecies habitat preferences and movement. ... -
Historic Environment Education – Vaal River tunnels: The forgotten history of the early days of coal in the Vereeniging area.
(The South African Society for History Teaching (SASHT) under the auspices of the School of Basic Sciences, Vaal Triangle Campus, North-West University, 2014)This article describes a part of the history of coal in the Vereeniging area which has, as far as could be determined, not been documented in detail before. Information was obtained from written primary and secondary as ... -
The impact of physico–chemical water quality parameters on bacterial diversity in the Vaal River, South Africa
(South African Water Research Commission, 2013)This study aimed to identify bacterial community structures in the Vaal River using PCR-DGGE (polymerase chain reaction denaturing gradient gel electrophoresis) and high-throughput sequencing. The impact of physico-chemical ... -
Investigation into the occurrence of the dinoflagellate, Ceratium hirundinella in source waters and the impact thereof on drinking water purification
(North-West University, 2011)The Ceratium species occurring in the Vaal River since 2000, was identified as Ceratium hirundinella (O.F. Müller) Dujardin as proposed by Van Ginkel et al (2001). Ceratium hirundinella is known to cause problems in drinking ... -
Mapping the dispersion of inorganic contaminants in surface water in the vicinity of Potchefstroom
(North-West University (South Africa) , Potchefstroom Campus, 2017)South Africa is a country with fewer water resources, as large parts of the country are semi-arid, and the scarcity of water is exacerbated by the pollution of surface water, largely by anthropogenic sources, especially ... -
A narrative interpretation of the cultural impressions on water of the communities along the Vaal River, Parys, Free State
(AOSIS, 2016)This article is about the significance of the Vaal River for the communities inhabiting the area. Using the interpretation of narratives and rituals, the extent of the connection or disconnection between the communities ... -
Persistent organic pollutants in biotic and abiotic components of the Orange-Senqu River basin
(North-West University (South Africa), 2023)The Orange-Senqu River Basin (OSRB) stretches over four southern Africa countries that are all Parties to the Stockholm Convention on Persistent Organic Pollutants (SCPOPs). The main tributary, the Vaal River on the eastern ... -
Phosphatase activities of riverine phytoplankton in the Vaal river (South Africa) : physiological responses of nuisance species to different nutrient regimes
(North-West University (South Africa), 2002)The theme of this thesis is the ecophysiological basis for development of massoccurrences of phytoplankton species in aquatic environments. Research concerning the reasons for harmful algal bloom (HAB) formation has been ...