Author:Wall, K; Bhagwan, J; Ive, ODate:01 Sep 2010CSIR research has found that operations and maintenance partnerships, using the basic principles of franchising, could address many challenges in the operation and maintenance of water services. This was reported at the CSIR 2nd Biennial ...Read more
Author:Motshekga, SC; Kesavan Pillai, Sreejarani; Ray, SS; Jalama, K; Krause, RWMDate:Nov 2011Tin oxide (SnO2) - decorated carbon nanotube (CNT) heterostructures were synthesized by microwave assisted wet impregnation method. CNTs of three different aspect ratios were compared. The hybrid samples were characterized by powder X-ray ...Read more
Author:Oliphant, CJ; Arendse, CJ; Camagu, ST; Swart, HDate:Feb 2014Filament condition during hot-wire chemical vapor deposition conditions of multi-walled carbon nanotubes is a major concern for a stable deposition process. We report on the novel application of electron backscatter diffraction to characterize ...Read more
Author:Bengis, R; Govender, D; Lane, E; Myburgh, J; Oberholster, Paul J; Buss, P; Prozesky, L; Keet, DDate:Oct 2016Over the past decade, several clustered, multispecies, wildlife mortality events occurred in the vicinity of two man-made earthen dams in the southern and south central regions of the Kruger National Park, South Africa. On field investigation, ...Read morecbd
Author:Kolev, MDate:Feb 2009The current worldwide economic crisis needs strong global leaders who are able to breath new life into the economy in a way that will focus on the need to create jobs as well as stabilise the climate change, increase food production using ...Read more
Author:Van Wyk, Llewellyn VDate:Feb 2009Environmental planners design and oversee the construction of the infrastructure that substantially supports the built environment. Infrastructure is being described as the basic physical assets of a country, community or organization, and ...Read more
Author:Higgins, SI; Turpie, JK; Costanza, R; Cowling, RM; Le Maitre, David C; Marais, C; Midgley, GFDate:Aug 1997Mountain fynbos ecosystems in South Africa are threatened by alien plant invasions and by a lack of funding for effective management of these invasions. This paper develops an ecological-economic argument for the effective management of plant ...Read more
Author:Ferrar, AADate:1989This document contains the proceedings of a workshop which was convened to debate the ecological flow requirements of South African rivers. Topics which are discussed include the influence of weirs and impoundments, the quantity requirements ...Read more
Author:Du Toit, B; Gush, Mark B; Pryke, JS; Samways, MJ; Dovey, SBDate:Sep 2014In Chapters 4, 5 and 6 of this book, the authors discussed the production and procurement of biomass from various sources, including extensively managed systems such as woodlands, and much more intensively managed systems such as short-rotation ...Read more
Author:Zengeya, TA; Robertson, MP; Booth, AJ; Chimimba, CTDate:Jul 2013This study applied ecological niche models to determine the potential invasive range of Nile tilapia, Oreochromis niloticus, with a particular focus on river systems in southern Africa where it is now established and spreading. Computational ...Read more
Author:Gandar, MVDate:Nov 1983An annotated checklist is given of 60 species of Acridoidea which were found on the Nylsvley Nature Reserve. The density of a species may change greatly over small distances, altering the population species composition. Vegetation structure ...Read more
Author:O'Keeffe, JHDate:1986Ecological research on South African rivers has progressed in a number of phases. Until 1950 work was mainly taxonomic and descriptive, an essential prerequisite for more detailed studies. The realisation that South African rivers, a vital ...Read more
Author:Van Wyk, E; Breen, CM; Roux, DJ; Rogers, KH; Sherwill, T; Van Wilgen, BWDate:Jul 2006The legal requirement for an Ecological Reserve established in South Africa’s water law is commonly regarded by stakeholders as being in direct competition with the needs of humans. This has resulted in much debate and varying interpretations ...Read more
Author:Claassen, MariusDate:1999Environmental impact assessments in South Africa are usually conducted according to the integrated environmental management (IEM) procedure. The preliminary investigation reported here, indicated that most of the ecological requirements ...Read more
Author:Matsebe, GDate:Jul 2011Ecological sanitation (referred to in some countries as Ecosan) has been successfully implemented in both developed and developing countries such as Sweden, Germany, China, El Salvador, Mexico, Uganda and South Africa. Among others, three ...Read more
Author:Du Plessis, CDate:Oct 2009Many commentators suggests that in order to effect meaningful transformation of global development pathways, it is necessary to change the worldview that underlies the current development paradigm to a view that sees the world as a complex ...Read more
Author:Saidi, AT; Tshipala-Ramatshimbila, TVDate:2006The woodland is considered as an important part of the natural heritage of the local clan and has therefore been under a traditional woodland management regime. The involvement of the Department of Water Affairs and Forestry, with its emphasis ...Read more
Author:Olwal, TO; Montsi, L; Mofolo, M; Mekuria, FissehaDate:Sep 2013The ever rising demand for energy all over the world, following the dwindling of the fossil fuel resources and adverse effects on the climate change, has compelled the need to save energy and lower the cost of energy utilization in the wireless ...Read more
Author:De Lange, Willem J; Van Wilgen, BWDate:Jul 2010This study is a first attempt at a holistic economic evaluation of South African endeavours to manage invasive alien plants using biological control. The author’s focus was on the delivery of ecosystem services from habitats that are invaded ...Read more