Author:Truter, JC; Van Wyk, JH; Oberholster, Paul J; Botha, A-M; Mokwena, LMDate:May 2017Knowledge regarding the potential impacts of crude oil on endocrine signaling in freshwater aquatic vertebrates is limited. The expression of selected genes as biomarkers for altered endocrine signaling was studied in African clawed frog, ...Read more
Author:Dye, PJ; Soko, S; Poulter, AGDate:Jul 1996Information on the water use of Pinus patula plantations is required to predict the impact of forest plantations on water resources in South Africa, The heat pulse velocity (HPV) method is a promising technique for measuring water use by ...Read more
Author:Omotola, EO; Genthe, B; Ndlela, Luyanda L; Olatunji, OSDate:Nov 2023Environmental effects of active pharmaceutical compounds (APCs) in the environment are not well characterized, hence the need for comprehensive evaluation. This study employed three bioassays using three organisms, namely, Allium cepa, Daphnia ...Read more
Author:Kusangaya, S; Warburton Toucher, ML; Archer van Garderen, EmmaDate:Feb 2018Downscaled General Circulation Models (GCMs) output are used to forecast climate change and provide information used as input for hydrological modelling. Given that our understanding of climate change points towards an increasing frequency, ...Read more
Author:Fagbemi, Olajumoke D; Sithole, Bishop BDate:Sep 2021The present study investigate the beneficiation potential of extracted keratin protein hydrolysate from chicken feather waste biomass as bio-adhesive for the production of particleboard. Chicken feathers were hydrolyzed using hybrid alkaline ...Read more
Author:Ndlela, Luyanda L; Schmidt, SDate:Feb 2016This study assessed faecal matter from three indigenous South African herbivores-zebra, giraffe and impala-as a potential source for hydrolytically active aerobic and facultatively anaerobic bacteria. Herbivore droppings were collected freshly ...Read more
Author:Visser, MM; Van Biljon, JA; Herselman, Martha EDate:Mar 2017Background: Case studies are core constructs used in information management research. A persistent challenge for business, information management and social science researchers is how to select a representative sample of cases among a population ...Read more
Author:Strydom, FW; Funke, Nicola S; Nienaber, S; Nortje, Karen; Steyn, MaronelDate:Apr 2010The process of facilitating the uptake of evidence, for example, scientific research findings, into the policymaking process is multifaceted and thus complex. It is therefore important for scientists to understand this process in order to ...Read more
Author:Scott, L; Vogel, JCDate:Nov 2000C-13/C-12 ratios in plants depend on factors like temperature, evaporation or seasonal moisture distribution. Fluctuations of C-13/C-12 in Procavia capensis (hyrax) dung samples from different vegetation zones and various ages over the last ...Read more
Author:Ansorge, IJ; Jackson, JM; Reid, K; Durgadoo, JV; Swart, S; Eberenz, SDate:Sep 2015Mesoscale eddies and meanders have been shown to be one of the dominant sources of flow variability in the world s ocean. One example of an isolated eddy hotspot is the South-West Indian Ridge (SWIR). Several investigations have shown that ...Read more
Author:Ramond, JB; Lako, JDW; Stafford, William HL; Tuffin, MI; Cowan, DADate:Feb 2015Ammonia-oxidizing bacteria (AOB) are essential in the biogeochemical cycling of nitrogen as they catalyze the rate-limiting oxidation of ammonia into nitrite. Since their first isolation in the late 19th century, chemolithoautotrophic AOBs ...Read more
Author:Van Wilgen, BDate:2012The Table Mountain National Park is a 265 km2 protected area embedded within a city of 3.5 million people. The park contains an extremely diverse flora with many endemic species, and has been granted World Heritage Site status in recognition ...Read more
Author:Veerasamy, NamoshaDate:Mar 2022A Cybersecurity Operation Centre (SOC) is a centralized hub within an organisation that houses people, processes, and technologies aimed at continuous monitoring of the organization’s assets in order to prevent, detect, analyse, and respond ...Read more
Author:Van Wilgen, BWDate:Sep 2009The history and development of fire and invasive alien plant management policies in fynbos during the 20th century are reviewed. Fire was initially condemned outright as a destructive force, but as its vital role became better understood, ...Read more
Author:Archibald, S; Staver, C; Levin, SADate:Jan 2012Human ability to manipulate fire and the landscape has increased over evolutionary time, but the impact of this on fire regimes and consequences for biodiversity and biogeochemistry are hotly debated. Reconstructing historical changes in ...Read more
Author:Chen, M; Roux, FSDate:Oct 2010Knowledge of the behavior of stochastic optical fields can aid the understanding of the scintillation of light propagating through a turbulent medium. For this purpose, the authors perform a numerical investigation of the evolution of the ...Read more
Author:Fernandes, PJLDate:Mar 1998Examination of a fifth wheel coupling which had failed in service showed that it had been modified and that the operating handle had been moved from its original design position. This modification completely eliminated the safety device ...Read more