Author:Schoeman, FR; Archibald, REMDate:Sep 1977The authors in their various issues aim at describing twenty species in each issue. Failure to achieve this aim is due, partly to the short intervals between the issue dates, but more specifically to all the work involved in ensuring the ...Read more
Author:Riato, L; Della Bella, V; Leira, M; Taylor, JV; Oberholster, Paul JDate:Jul 2017Functional-based assessments to identify the effects of human-induced disturbances on diatom communities are increasingly used. However, information on the response of functional groups to natural disturbances in temporary depressional wetlands ...Read more
Author:Riato, L; Leira, M; Della Bella, V; Oberholster, Paul JDate:Aug 2017Information on the response of temporary depressional wetland diatoms to human-induced disturbances is a limited and important component for the development of temporary wetland biological assessments in human-modified landscapes. Establishing ...Read more
Author:Archibald, REMDate:1971The Vaal Dam is of great importance to South Africa as it ensures a good supply of water to the Witwatersrand complex, South Africans most important industrial and mining centre, and the problem of pollution and protection of the waters flowing ...Read more
Author:Schoeman, FRDate:1982Durring the year 1972 to 1975 samples of benthic algae were collected from 22 selected river stations in the Juskei-Crocodile river system. Some 250 diatoms taxa were identified from these samplesRead more
Author:Malcolm, HGDate:1973In a series of previous investigation of the marine littoral of the South African coast, the author has made observations at the various localities along the shores of the Eastern Cape Province. All these stations are situated along the shores ...Read more
Author:Geldenhuys, CJ; Knight, RS; Russel, S; Jarman, MLDate:1988This report lists and defines attributes (both functional and structural) that have been used in other structural classifications of forest vegetation. Field techniques are summarized. The recommended use of each attribute and technique is ...Read more
Author:Conradie, Dirk CUDate:Feb 2017The purpose of this article is to research the effect of climate change on the South African city and to recommend appropriate measures, based on the specific climatic zone. With increased climate change, it is getting increasingly important ...Read more
Author:Ramana, CHVV; Clarke, W; Jayaramudu, J; Sadiku, R; Ray, SSDate:Dec 2011Natural fibers are emerging as low cost, lightweight and apparently environmentally superior alternatives to glass fibers in composites. With the increasing importance of environmental interactions, several innovations of the environmental ...Read more
Author:Pretorius, Cecilia JDate:Apr 2016The objective of this study was to find a parameter in diesel and oil analysis of underground mining vehicles that can be correlated with personal diesel particulate matter (DPM) exposure and used as part of an engine maintenance programme. ...Read more
Author:Van Niekerk, WCA; Simpson, D; Fourie, MH; Mouton, GDate:Jun 2002A large volume of scientific information is available in the open literature on the toxicology and health effects associated with inhalation of diesel particulates. It has been the intention of this study to present a concise review of the ...Read more
Author:Pretorius, CJ; Grove, T; Schinkel, J; Pronk, A; Nelson, G; Murray, JDate:Aug 2014Personal diesel particulate matter (DPM) sampling was conducted on nearly 300 mine workers in the diesel and non-diesel sections of three platinum mines in South Africa. Respiratory health questionnaires were administered to all of these ...Read more
Author:Tjelele, J; Ward, D; Dziba, LDate:Jul 2014The pods of many woody plants form an important part of the diet of livestock during the dry season due to their high nutritive value. However, the dispersal of seeds that remain intact and can potentially germinate after excretion is of ...Read more
Author:Van Kets, V; Karsten, A; Davids, LDate:Sep 2010Photodynamic therapy (PDT) has recently emerged as a treatment modality for photorejuvenation of the skin. This study is a preliminary investigation into the effect of different light sources to activate hypericin, a plant-derived photosensitizer ...Read more
Author:Mkuzangwe, Nenekazi NP; Nelwamondo, Fulufhelo VDate:Sep 2019Real Transmission Control Protocol synchronise (TCP SYN) packet counts availability will be of great benefit in anomaly detection. TCP SYN packet counts can beused for training intrusion detection system to detect a denial of service attack ...Read more
Author:Manara, G; Nepa, P; Kouyoumjian, RG; Taute, BJEDate:Nov 1998The diffraction of an inhomogeneous plane wave by an impedance wedge embedded in a lossy medium is analyzed. The rigorous integral representation for the field is asymptotically evaluated in the context of the uniform geometrical theory of ...Read more