Author:Brown, CJ; Macdonald, IAW; Brown, SEDate:1985The greatest threat of invasion of alien species of plants and animals is posed by species which originate from similar arid habitats in other parts of the world. In general the smaller the number of individuals of an alien species introduced ...Read more
Author:Van Wilgen, BW; Nel, JL; Rouget, MDate:2007Parallel initiatives in South Africa have been addressing the prioritisation and management of invasive alien plant species, the prioritisation of rivers for the conservation of biodiversity, and broad-scale planning for water resource ...Read more
Author:Gorgens, AHM; Van Wilgen, BWDate:Jan 2004Predictions that invasive alien Plants would use significant amounts of water were a major factor in the establishment of South Africa's Working for Water programme, which aims to protect water resources by clearing these plants. The predictions ...Read more
Author:Richardson, DM; Van Wilgen, BWDate:Jan 2004This paper examines the evidence for the effects of invasive alien plants in natural and semi-natural ecosystems in South Africa. Invasive alien plants are concentrated in the Western Cape, along the eastern seaboard, and into the eastern ...Read more
Author:Macdonald, IAW; Jarman, MLDate:1985This report consists of two types of chapters. Most of the chapters are short syntheses of particular aspects of the alien plant problem in Natal, written by groups of participants during the workshop meeting. They are brief accounts of the ...Read more
Author:Le Maitre, David C; Van Wilgen, BW; Gelderblom, CM; Bailey, C; Chapman, RA; Nel, JADate:01 May 2002Invasive alien plants are consumptive water-users, and may have reduced river flows in South Africa by about 6.7% according to a broad-scale study. An effective programme to bring the invasions under control would cost about US$ 92 million ...Read more
Author:Boucher, C; McDonald, AEDate:Sep 1982A comprehensive list of plant communities described by various authors within the Fynbos Biome geographic area is given. The list is divided into two sections. Section I consists of plant communities described over a wide geographical area. ...Read more
Author:McDonald, Andre M; Van Wyk, M; Chen, GDate:Aug 2021The inverse Frobenius-Perron problem (IFPP) is a collective term for a family of problems that requires the construction of an ergodic dynamical system model with prescribed statistical characteristics. Solutions to this problem draw upon ...Read more
Author:Bogaers, Alfred EJ; Kok, S; Reddy, BD; Fran, TDate:Jul 2012In this paper we investigate the invertability of a branching 1D arterial blood flow network. We limit our investigation to a single bifurcating vessel, where the material properties, unloaded areas and variables characterizing the input and ...Read more
Author:Rushworth, AM; Talbot, CF; Von Glehn, FH; Lomas, RMDate:Mar 1999Transport and tramming accidents on coal mines in South Africa are a major component in the overall pattern of colliery accidents. Furthermore, there is now a widespread acceptance that human error is a common cause of failure in accident ...Read more
Author:Franz, RM; Ashworth, SGE; Mthombeni, ISDate:Apr 1998This report presents findings of interest to management, safety and environmental control personnel at mine level, as well as employee representative organizations and individuals at group level concerned with the safety and environmental ...Read more
Author:Kakande, JN; Ferguson, KL; Dlodlo, ME; De Jager, GDate:Sep 2011Optimization of bandwidth usage for video streaming is of paramount importance in networks where low bitrate links are typical. Among the solutions proposed to address this problem is header compression. Real-Time Transport Protocol (RTP) and ...Read more
Author:Matyila, NA; Malete, GDate:Mar 2008The emphasis on the shortage of Built Environment Professionals (BEPs) in South Africa requires an understanding how data is captured to quantify and qualify perceived skills shortages. The need to verify whether data capturing methods are ...Read more
Author:Wright, C; Oosthuizen, MA; Mostert, J; Mostert, LDate:Dec 2011To determine the impact of implemented air quality interventions beyond ambient air pollution reductions, indicators need to be identified and appropriate health data need to be routinely collected to track air-related health. Presently, the ...Read more
Author:Vogt, D; Van Schoor, MichaelDate:Oct 2013Ground Penetrating Radar (GPR) is often a good tool for detecting near surface structure, as it is cheap, fast and has high resolution. At lower frequencies, it is an excellent tool for detecting voids such as sinkholes, old excavations or ...Read more
Author:Ledwaba, Lehlogonolo PI; Hancke, GP; Isaac, Sherrin JDate:Jun 2022With limited processing, energy and storage along with a deadline sensitive operational environment, the combination of the Industrial IoT (IIoT) with distributed ledger technologies (DLTs) could serve to introduce intolerable latency into ...Read more
Author:Zhou, M; Herselman, Martha E; Coleman, ADate:Apr 2016Nurses can be empowered in the decision making process if provided with objective diagnostic data. This research applied the Unified Theory of Acceptance and Use of Technology model to investigate the usage of electronic health systems and ...Read more
Author:Zhou, M; Herselman, Martha E; Coleman, ADate:22 Aug 2016Nurses can be empowered in the decision making process if provided with objective diagnostic data. This research applied the Unified Theory of Acceptance and Use of Technology model to investigate the usage of electronic health systems and ...Read more