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ISSN: 0038-2353    frecuency : 4   format : Electrónica

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Volume 115 Number 9 Year 2013

25 articles in this issue 

Cheledi Tshehla, Caradee Y. Wright

We describe the measurement and spatial variability of particulate matter (PM) chemical composition, PM10 and PM2.5 in the Greater Tubatse Municipality, South Africa. Monthly samples were collected over 12 months (July 2015 to June 2016) using the inexpen... see more

 

Dawn D. Mahlobo, Thando Ndarana, Stefan W. Grab, Francois Engelbrecht

This study demonstrates that Hadley cell dynamics could be used as a proxy to determine cloud cover and thus solar energy potential over South Africa. Granger causality was used to investigate causal interactions between the Hadley cell and cloud cover fo... see more

 

Rakhee Lakhraj-Govender, Stefan W. Grab

Climate change has the potential to alter the spatio-temporal distribution of rainfall, subsequently affecting the supply and demand of water resources. In a water-stressed country such as South Africa, this effect has significant consequences. To this en... see more

 

Nicky Allsopp, Jasper A. Slingsby, Karen J. Esler

We conducted a survey among people working in the nature conservation community in an implementation, research or policy capacity to identify research questions that they felt were important for ensuring the conservation of the Cape Floristic Region. Foll... see more

 

Kokeli P. Ryano, Karen L. van Niekerk, Sarah Wurz, Christopher S. Henshilwood

Klipdrift Cave in the southern Cape, South Africa, provides new insights into shellfish harvesting during the Later Stone Age (14–9 ka) period associated with the Oakhurst techno-complex. Two shellfish species dominate: Turbo sarmaticus and Dinoplax gigas... see more

 

Suranie Horn, Rialet Pieters, Thomas Bøhn

Agriculture plays a vital role in the South African economy, as well as in the production of maize for food. Genetically modified maize is transformed to encode for crystalline (Cry) proteins found in Bacillus thuringiensis (Bt) and is referred to as Bt m... see more

 

Marie E.A. Bissong, Collins N. Ateba

Campylobacter is a foodborne pathogen found in the gut of poultry and other animals, which thereby act as reservoirs for human infection. Campylobacter produces various virulence factors which contribute to the establishment of disease. The aim of this st... see more

 

Sylvia Phokane, Bradley C. Flett, Edson Ncube, John P. Rheeder, Lindy J. Rose

Mycotoxigenic fungi are common pathogens of maize and groundnuts; they produce mycotoxins which reduce the yield and quality of these grain crops. Numerous agricultural practices including crop rotation and storage methods have been shown to impact mycoto... see more

 

Bradley Robinson, Lee Pote, Candice Christie

Although rugby union as a sport is well established, the strength and conditioning practices of high school level players are not well known. Therefore, the main purpose of this study was to examine the current strength and conditioning practices that coa... see more

 

Muhammad Aziz, Muhammad Anwar, Shazia Iqbal

The aim of this study was to compute the theoretical (software-based) spectroscopic properties of valeraldehyde as a member of the aldehyde family. The structural, thermochemical, electrical and spectroscopic properties of valeraldehyde were investigated ... see more

 

Munyaradzi T. Matose, Mladen Poluta, Tania S. Douglas

Airborne infection control measures are used extensively in health-care settings to curtail the spread of airborne infectious diseases. Few such measures are applied in public congregate spaces outside health facilities, such as those associated with publ... see more

 

Bontle Mataboge, Amélie Beaudet, Jason L. Heaton, Travis R. Pickering, Dominic Stratford

The site of the Sterkfontein Caves, South Africa, is one of the richest early hominin fossil-bearing sites in Africa. Recent excavations in the Milner Hall locality have contributed to the discovery of new hominin specimens, including StW 669, a right per... see more