Author:Kunstmann, FH; Harris, JFDate:1966Apart from the major constituents of the ash of a coal, every coal contains a great number of trace elements. In many cases the suitability of a coal for certain purposes depends on the concentration of these trace elements in the coal. The ...Read more
Author:Cook, APDate:Oct 1998The review output of the project comprised three main sections, literature, gas incidents and accidents, and technical interviews with mine personnel. Literature covered combustible gas emissions in mining operations in South Africa and ...Read more
Author:Robertson, Lain, L; Bernard, S; Smith, Marie EDate:Jan 2021Harmful algal blooms (HABs) occur in virtually all coastal regions of the world as well as many lakes, and are typically associated with a rapid proliferation of phytoplankton cells, but even low cell numbers of high toxic species may cause ...Read more
Author:Bernard, Stewart; Pitcher, G; Evers-King, H; Robertson, L; Matthews, M; Rabagliati, A; Balt, CDate:2014The Benguela, as a highly productive upwelling system, suffers from the occurrence of a variety of harmful algal blooms, most of which are associated with elevated biomass; a feature common to the shelf environment of upwelling systems. Most ...Read more
Author:Krug, Marjolaine J; Swart, S; Hermes, JDate:Jun 2018Off the east coast of South Africa, robotic ocean gliders deployed in the Agulhas Current capture new data that help us better understand how energy dissipates in the ocean.Read more
Author:Swart, S; Zietsman, JJ; Coetsee, JC; Goslett, Daniel G; Hoek, A; Needham, D; Monteiro, Pedro MSDate:Dec 2016South Africa’s small pelagic fishery is an important component of the country’s commercial fisheries sector, second in value only to the demersal trawl fishery. Management of this sector relies on frequent hydro-acoustic surveys, which provide ...Read more
Author:Swart, S; Monteiro, Pedro MS; Zietsman, H; Goslett, Daniel G; Coetzee, JDate:Oct 2015South Africa’s exclusive economic zone (EEZ) covers over 1.5 million km2 and comprises the remote waters around the Prince Edward Islands in the Southern Ocean. The benefits of an EEZ come with the responsibility of managing its resources, ...Read more
Author:Blanke, B; Penven, P; Roy, C; Chang, Nicolette; Kokoszka, FDate:Dec 2009This study analyzes the oceanic pathway connecting the Agulhas Bank to the southern Benguela upwelling system by means of a quantitative Lagrangian interpretation of the velocity field calculated by a high-resolution numerical simulation of ...Read more
Author:Beraki, Asmerom F; DeWitt, D; Landman, WA; Olivier, CDate:Sep 2011This paper introduces the South African Weather Service's coupled ocean-atmosphere model. The paper also demonstrates the advances made in configuring an operational coupled ocean-atmosphere model in South Africa for seasonal forecast production. ...Read more
Author:Smith, Marie EDate:Nov 2022Relatively young industry with potential for growth. Together, the Aquaculture and Fisheries sector could contribute approximately R10-15 Billion to SA’s GDP.Read more
Author:Lutjeharms, JRE; Monteiro, Pedro MS; Tyson, PD; Obura, DDate:Mar 2001In the last few decades, a great deal of work has been carried out on the nature of the oceanic circulation around southern Africa. Attempts have been made to determine regional ocean-atmosphere interactions and the effect of changing sea-surface ...Read more
Author:Smith, Marie; Vhengani, LufunoDate:May 2023This presentation discusses the objectives that water quality becomes fit for all designated uses, including for recreational use, industrial use, aquaculture and the protection of biodiversity and ecosystem functioning.Read more
Author:Bateman, P; Tucker, KCDate:2006The community’s “strength in diversity” was evident throughout the discussion diversity in terms of the members, their perspectives, interests, activities, offerings and contributions. The dynamic list of questions is a reasonable reflection ...Read more
Author:Garland, Rebecca M; Naidoo, MDate:Jan 2014Improving ambient air quality has proven to be a difficult task in South Africa and internationally, particularly for secondary pollutants. In order to achieve the goal of full compliance, a variety of regulatory tools are necessary, as well ...Read more
Author:Davis, PC; La Grange, CC; Coetzee, SDDate:1950During September 1950, the Institute was notified that portions of the core from a borehole drilled on the farm Kalabasvlakte 3749 were apparently impregnated with oil. Samples of the core were obtained and examined and it was conducted that ...Read more
Author:Kgathi, DL; Kniveton, D; Ringrose, S; Turton, AR; Van der Post, CHM; Lundqvist, J; Seely, MDate:Apr 2006The Okavango basin comprises the Cuito and Cubango active catchment areas in Angola, in addition to the Kavango-Okavango non-active catchment in northern Namibia and Botswana. The Okavango River water and its ecosystem resources are critically ...Read more
Author:Morant, PDDate:Jul 1984In this report available historical information on Olifants estuary and abiotic and biotic characteristics found in the estuary are presented. The Olifants River system was explored early in the colonization of the Cape by European settlers. ...Read more
Author:Lezar, S; Barros, EDate:Sep 2009Mycotoxins are fungal toxins which pose a continuous challenge to the safety and quality of food commodities in South Africa. These toxins can cause unthriftiness, loss of appetite, feed refusal, liver cirrhosis, vomiting, poor weight gain, ...Read more
Author:Kok, E; Van Dijk, J; Voorhuijzen, M; Staats, M; Lommen, A; Venema, D; Pla, M; Barros, Maria ECDate:Sep 2019The objective of this study was to quantitatively assess potato omics profiles of new varieties for meaningful differences from analogous profiles of commercial varieties through the SIMCA one-class classification model. Analytical profiles ...Read more