Vol 32, No 1 (2013)

Browse Archives

Original Research
Challenges in the teaching of evolution in the life sciences classroom. Josef J. De Beer, Elizabeth Henning	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a261 \| 11 February 2013

Original Research
The diversity of South African spiders (Arachnida: Araneae: Documenting a National Survey). Ansie Dippenaar-Schoeman, Almie van den Berg, Robin Lyle, Charles Haddad, Stefan Foord, Leon Lotz	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a375 \| 19 April 2013

Original Research
Private retirement resorts in South Africa: Guidelines for wellness and sustainability in the long term. Andries C. Hauptfleisch	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a330 \| 25 February 2013

Original Research
Haemophilia amongst the descendants of Queen Victoria. Francois P. Retief, André Wessels, Johan F.G. Cilliers	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a341 \| 04 March 2013

Original Research
Einstein’s theory of relativity: At the intersection of apriori elements and empirical experience Danie F.M. Strauss	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a329 \| 05 March 2013

Original Research
Long-term changes in the algal composition of the Vaal River, South Africa – did the Lesotho Highlands Water Project play a role? Sanet Janse van Vuuren, Annelie Swanepoel, Germarie van Zyl	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a335 \| 14 March 2013

Original Research
The influence of a large group teaching strategy on the self-regulated learning of tertiary mathematics learners Annalie Roux	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a379 \| 10 April 2013

Original Research
Breeding behaviour and breeding success of feral pigeons in the Bloemfontein urban area Pieter le Roux, Ordino Kok, Hennie Butler	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a340 \| 12 April 2013

Original Research
A theoretical reflection on the implications of the philosophy of technology for classroompedagogy Piet Ankiewicz	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a386 \| 17 April 2013

Original Research
Pollen morphology of Prototulbaghia Vosa: A comparative palynological study of the Southern African Alliaceae. Melissa Andriessen, Madeleen Struwig, Stefan J. Siebert	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a389 \| 14 May 2013

Original Research
The pulse as diagnostic aid in Graeco-Roman times and the Mediaeval Ages Francois P. Retief, Louise Cilliers	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a371 \| 27 May 2013

Original Research
Survival of the scorpion Opistophthalmus pugnax (Scorpionidae) after exposure to a lethal dosage SO₂ gas. Willie J. van Aardt	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a390 \| 10 June 2013

Original Research
A theoretical reflection on the implications of the philosophy of technology for teacher education. Piet Ankiewicz	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a387 \| 18 June 2013

Original Research
Infection in the Graeco-Roman era with the emphasis on epidemic ilness. Louise Cilliers, Francois P. Retief	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a331 \| 26 June 2013

Original Research
Scoring multiple choice questions John J. Barnard	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a402 \| 27 June 2013

Original Research
Short-term threats for the sustained survival of freshwater Mollusca in the Olifants River and selected tributaries. Kenné N. de Kock, Cornelius T. Wolmarans, Mathilde Kemp, Wietsche Roets	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a395 \| 27 June 2013

Original Research
Is metal pollution a threat to the continued survival of the starfish in False Bay, South Africa? Adriaan J. Reinecke, Sophie A. Reinecke	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a394 \| 09 October 2013

Original Research: Food
The relationship between nutrition and the reading performance of Grade 4 learners in South Africa: Findings of prePIRLS 2011 Surette van Staden	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a399 \| 30 August 2013

Original Research: Food
Opinions of Life Sciences teachers on genetically modified foods Johanna G. Ferreira	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a757 \| 22 October 2013

Original Research: Food
The influence of sedentary and active work environments on wellness Peet du Toit, Lee-Anne Naicker, Evangeline Nortje, Michael Kleynhans, Ronél Ferreira, Gerda Gericke	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a768 \| 28 October 2013

Original Research: Food
Nutrition and physical well-being in the school curriculum: An intervention in a teachers’ education programme Josef J. De Beer, Ben-Erik Van Wyk	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a771 \| 08 November 2013

Original Research: Food
Managing the National School Nutrition Programme in under-resourced schools in Limpopo – practice, successes and challenges Eric Eberlein	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a778 \| 27 November 2013

Original Research: Food
A comparison between the cardio-stress indices of an active and a sedentary population Peet Du Toit, Paola Wood, Catherina C. Grant, Evangeline Nortje, Michael Kleynhans, Lizelle Fletcher, Pieter E. Krüger, Annie M. Joubert, Justin J. Kennedy, Ronél Ferreira, Abert van Schoor, Fourie Joubert, Gerda Gericke	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a769 \| 02 December 2013

Original Research: Food
Determining a physical wellness indicator Peet Du Toit, Lee-Anne Naicker, Evangeline Nortje, Michael Kleynhans, Ronél Ferreira, Gerda Gericke	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a770 \| 02 December 2013

Original Research: Food
Nutritional practices and needs of resource-constrained communities as seen through the eyes of primary school teachers Ronel Ferreira, William J. Fraser, Karien Botha, Elzaan Cook, Peet J. du Toit, Gerda Gericke	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a779 \| 09 December 2013

Original Research: Food
The response of school science to the challenge of food production in the 21st century Lesley le Grange	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a775 \| 11 December 2013

Original Research: Mathematics Education
Investigating the quality and content of five teachers’ reflection on their teaching of mathematics A. Barbara Posthuma, Jacobus G. Maree, Gerrit Stols	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a400 \| 15 October 2013

Original Research: Mathematics Education
Assessment in mathematics: The need for a positive approach Jacobus G. Maree	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a429 \| 24 October 2013

Original Research: Mathematics Education
Maths4Stats: Educating teachers Renette J. Blignaut, Retha Luus, Ronell Lombard, Abduraghiem Latief, Danelle Kotze	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a405 \| 01 November 2013

Original Research: Mathematics Education
Critical food and nutrition-related issues in Life Sciences curricula for public South African schools Rian De Villiers, William J. Fraser	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a767 \| 04 December 2013

Original Research: Mathematics Education
The mid-adolescent’s achievement in maths: The role of emotional intelligence and study orientation Petro Erasmus	\| HTML \| EPUB \| XML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a418 \| 19 December 2013

Reviewer Acknowledgements
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie Volume 32, Nommer 1 Redaksionele Kantoor	\| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a856 \| 13 February 2014

Reviewer Acknowledgements
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie Volume 32, Nommer 1 Redaksionele Kantoor	\| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a1358 \| 21 July 2015

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
A system for biometric authentication in online banking Frans F. Blauw, Sebastiaan H. von Solms	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a403 \| 03 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Investigating the use of proper orthogonal decomposition to determine intra-ocular pressure Natasha Botha, Schalk Kok, Helen Inglis	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a406 \| 03 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Measuring the effect of surface evaporation on the segregation process Shaun Cronjé, W. D. Roos, R. E. Kroon, J. K.O. Asante	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a407 \| 06 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Local knowledge of insect pests and the management thereof by small-scale rooibos tea farmers in the Cederberg Mountains, South Africa. Samantha de la Fontaine, R. R. Malgas	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a408 \| 06 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Photon degradation of Alq₃ powder. Mart-Mari Duvenhage, O. M. Ntwaeaborwa, H. C. Swart	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a409 \| 06 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Electronic properties of Mn(acac)3 complex: A cyclic voltammetry and computational chemistry study Roxanne Freitag, Jeanet Conradie	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a410 \| 07 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
The combination of fisiological and tradisional user test techniques to evaluate social networks on various technological platforms Francois Greeff, Lizette de Wet	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a411 \| 15 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Synthesis of the C(1)–C(7) fragment of the HO-FC₁ and ISO-FC₁ fumonisin toxins Chantal Hefti	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a412 \| 16 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Influence of skin colour on laser penetration Aletta E. Karsten	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a414 \| 27 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
A critical analysis of methods and procedures applied to satellite image interpretation by image analysts in the South African National Defence Force. Ivan Henrico	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a413 \| 28 May 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Studying possible platinum group element nanostructures in monosulphide systems by means of synthetic sulphide melts. Bianca Kennedy	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a415 \| 07 June 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Mineralogical study and fluid evolution of the Noumas pegmatites, Northern Cape, South Africa Nequita MacDonald	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a417 \| 07 June 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Arduino and MATLAB make scientific contact Jacques Maritz	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a420 \| 28 June 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Web service for thematic cartography Victoria Rautenbach	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a421 \| 28 June 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Urban heat island in Bloemfontein during winter Pieter Snyman, A. Stephen Steyn	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a422 \| 08 July 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
A noncommutative sigma model Mauritz van den Worm	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a423 \| 08 July 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Leaching of copper refractory ore: Industrial application of a preoxidation stage Ryno van der Merwe	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a424 \| 15 July 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Modelling the evolution of pulsar wind nebulae Michael Vorster	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a425 \| 15 July 2013

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011
Entropic entanglement criteria for fermion systems Claudia Zander	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a426 \| 19 July 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Histologieal assessment of the main visceral organs of Sternophysinx filaris and Sternophysinx calceola (Crustacea: Amphipoda) B. Bester, P.E. de Lange-Jacobs	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a783 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
In vitro effects of polyunsaturated fatty acids on osteoclast formation and bone resorption in RAW 264.7 murine monocytes J.E.A. Boeyens, W-H. Ehua, M.E. Kruger, A.M. Joubert, M. Coetzee	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a786 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Mass mortalities of Nile crocodiles (Crocodylus niloticus) in the Kruger National Park, South Africa P.L. Booyens, H. Bouwman, R. Pieters, D. Pienaar, D. Govender	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a787 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Screening and characterization of rhizobial strains for nodulation and propagation of forage legumes F.L. Bopape, A.I. Hassen	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a789 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
A histology-based fish health study on Clarias gariepinus in the Hartebeespoort Dam with the focus on reproduction T.L. Botha, G.M. Pieterse, I.E.J. Barnhoorn, J.E. van Dyk, M.J. Marchand	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a790 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Scanning electron microscopic study of eriophyoid mite (Acari: Eriophyoidea) morphology. C. Craemer	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a791 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The South African National Survey of Arachnida (SANSA): A wealth of information now available A.S. Dippenaar-Schoeman, C. Haddad	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a793 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
A patient journey of understanding – Navigating the avenues of assisted reproductive technologies: Three case studies K. Ferreira, L. Grant, C. Huyser	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a794 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Sperm purification for the removal of bacteria, HIV-1 RNA and proviral DNA from human semen J.M. Fourie, N.M. Loskutoff, C. Huyser	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a795 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Soil microbial community dynamies in the Zeekoegat Conservation Agriculture trial, Roodeplaat J. Habig	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a796 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The association between body mass index and mood state J.E. Harvey, E.O. Govender, P. Du Toit, R. Grant	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a797 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Prevention of infections in an assisted reproduction laboratory in a developing country C. Huyser, J.M. Fourie	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a798 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Disturbed sleep and quality of life in female Fibromyalgia patients F.M. Hoosen, E. Govender, H.P. Meyer	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a799 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Nematodes of the Bakwena Cave in Irene, South Africa E. Jansen van Rensburg, A. Swart, W. Decraemer, W. Bert, J.F. Durand	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a800 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Determining the algal composition along a pollution gradient in the Vaal River L. Knoetze, N. Olivier, S. Janse van Vuuren	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a802 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Observations on the pathology of Ergasilus (Crustacea: Copepoda) from Lake Tanganyika on the gills of Lamprichtys tanganicanus E. Kilian, A. Avenant-Oldewage	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a803 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Diversity-wonder of the world of Mushrooms S.H. Koch	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a804 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Wellness testing on recruits to determine current state of wellbeing J. Lawson, M. Kleynhans, E. Grobbelaar, P.J. du Toit	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a805 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
A study of the endemic trapdoor spider genus Ctenolophus Purcell, 1904 (Araneae: Idiopidae) from southern Africa R. Lyle, A. S. Dippenaar-Sehoeman	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a806 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Evaluation of a maximum entropy geographic distribution model: A case study of the Philoliche aethiopica species complex (Diptera: Tabanidae) in South Africa P. Maharaj, B. Muller	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a807 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The South African Plant-Parasitic Nematode Survey: A snap shot of the last 23 years M. Marais, A. Swart	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a808 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The South African National Collection of Arachnida: Documenting South Africa’s Arachnida biodiversity. P. Marais, A. S. Dippenaar-Sehoeman	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a809 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
2-Methoxyestradiol-3,17,0,0-bis-sulfamate (2MEBM) induces two types of cell death in a cervical adenocarcinoma cell line S. Marais, B. A. Stander, A. M. Joubert	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a810 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Sulphur dioxide contamination and drought lead to reduced PSII-activity and CO₂ assimilation in maize plants (Zea mays) M. M. Minnaar, R. J. Strasser, G. H.J. Kruger	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a811 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Effect of ozone on photosynthesis and seed yield of sensitive (S156) and resistant (R123) Phaseolus vulgaris L. genotypes in open-top chambers C. C.W. Scheepers, R. J. Strasser, G. H.J. Kruger	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a812 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
A semi-quantitative histological assessment of selected organs from two Cichlid species from the Phongolo River, Kwazulu-Natal A. Mooney, J. E. van Dyk, N. J. Smit	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a813 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
In vitro evaluation of 2-methoxyestradiol-bis-sulphamate on cell growth, morphology, cell cycle progression and possible induction of types of cell death in an oesophageal carcinoma (sno) cell line T. V. Mqoco, S. Marais, A. M. Joubert	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a814 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Does sexual selection explain the courtship song of field crickets (Gryllus bimaculatus)? A. Prins, L. Verburgt, J. W.H. Ferguson	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a815 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Invasive Harmonia axyridis (Coleoptera: Coccinellidae) in southern Africa R. Stals	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a816 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
In vitro effects of a new and novel antimitotic compound in human breast adenocarcinoma metastatic epithelial cells B. A. Stander, F. Joubert, A. M. Joubert	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a817 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
In vitro evaluation of a novel antimitotic estradiol analog and dichloroacetic acid on breast adenocarcinoma and breast non-tumorigenic cells X. X. Stander, A. Stander, F. Joubert, A. Joubert	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a818 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Comparison of the nine-point Beighton hypermobility score between males and females H. C. Terblanche, M. Kleynhans, C. Janse van Rensburg, P. J. du Toit	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a819 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
A new Globodera cyst nematode from South Africa (Tylenchida: Heteroderidae) A. Swart, R. Knoetze, L. R. Tiedt	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a820 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Nematodes associated with the Natal long-fingered bat (Miniopterus natalensis) colony in Bakwena Cave, Gauteng J-L. Szamosvari, J. F. Durand	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a822 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Biopsy techniques in fish health research M. Tresise, J. E. van Dyk, L. Mokae, G. M. Pieterse	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a823 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Comparison of several parameters of sports vision tests between male and female recruits in the armed services A. Tsotetsi, P. du Toit, P. Soma	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a824 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Tetranychus urticae and Tetranychus cinnabarinus: Synonymous or not? E. A. Ueckermann, M. Navajas, P. Auger, A. Migeon, L. R. Tiedt, D. Yanar	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a825 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The use of a tissue culture line to determine the estrogen-active substances in municipal water of Potchefstroom in the North West Province A. van Gessellen, R. Pieters	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a826 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Spider diversity of the Kalahari: Adaptation to survive A. M. van den Berg, A. S. Dippenaar-Sehoeman	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a827 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The effect of Meloidogyne incognita (Nematoda), on lipoxygenase and peroxidase activity in soybean leaves C. Venter, J. M. Berner, H. Fourie	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a828 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Evaluation of the cancer specificity of intracellular events caused by 2-methoxyestradiol-bis-sulphamate and aqueous Sutherlandia frutescens extracts C.J.J. Vorster, A. M. Joubert	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a829 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Soil ecological risk assessments of selected South African soils and derivation of soil quality standards J.J. Wahl, M. S. Maboeta, H. J.P. Eijsackers, L. van Rensburg	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a830 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Water quality in the Mooi River system: A comparative study D. H. Bomman, J. J.P. Lubbe, S. Barnard	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a832 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The influence of seed coatings on the activities of α-amylase, lipoxygenase and peroxidase on the germination of gras seeds M. Botha, J. M. Berner, M. Westcott, K. Kellner	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a833 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The identification and verification of optimal re-introduction sites for the southern ground hornbill in the Limpopo Province, South Africa H. C. Coetzee, D. Cilliers, F. Jerling, L. van Rensburg	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a834 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Calvatia Fr. (Fungi, Lycoperdaceae) in southern Africa: 50 Years after Bottomley J. C. Coetzee, A. E. van Wyk	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a835 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Decline in the photosynthetic capability of wheat plants after fumigation with SO₂ in open-top chambers J. du Plessis, L. Henning, J. M. Berner	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a836 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Identification of phenolic acids in wheat plants after fumigation with SO₂ in open-top chambers (OTCs) B. Durand, J. M. Berner	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a837 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Comparing the Cardio Stress Index of a training population with University students. E. Henning, M. Kleynhans, N. de Villiers, P. J. du Toit	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a838 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Identification of a cyanoprocaryote using a poliphasic approach E. Heystek, N. J.J. Niemand, S. Bamard	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a839 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Effects of cold stress and the recovery thereafter on soybean (Glycine max) plants E. Kriel, M. de Beer, M. M. Minaar, C. C.W. Scheepers	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a840 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
An evaluation of embryo characteristic score to select the most favorable embryo for transfer P. Maharaj, C. Huyser	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a841 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The effect of sports vision exercises on the visual skills of university students A. F. Mahomed, M. Kleynhans, C. Govender, P. J. du Toit	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a842 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The genus Helicotylenchus in the Grassland Biome of South Africa M. Marais, A. Swart, A. S. Schoeman, L. R. Tiedt	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a843 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Comparing visual skills in sedentary and active work environments L. Naicker, P. J. du Toit, M. Kleynhans, E. Kruger	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a844 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Ex situ monitoring of Frithia humilis Burgoyne: A control study for a translocation project T. Orlekowsky, J. Viviers, E. Kruger, S.J. Siebert	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a845 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Structural damage caused by SO₂, on leaves of wheat (Triticum aestivum) K. J. Radojevic, E. P.J. Kleynhans, A. Jordaan	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a846 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Termite eating spiders of the Cedarberg Wilderness Area (Araneae: Ammoxenidae). S. L. Seshothela, A. S. Dippenaar-Schoeman, T. Bird	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a847 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Histology as a biomarker to determine the effect of pollution on two fish species from the Hartebeespoort Dam: Prelimanary results N. N. Sikhakhane, J. C. van Dyk, G. M. Pieterse	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a848 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Induction of the phenylpropanoid pathway in wheat plants after fumigation with SO₂ in open-top chambers (OTCs) L. Snyders, J. M. Berner	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a849 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
The first arachnid survey from the North-West Province: The Kgaswane Mountain Reserve A. van den Berg, A. S. Dippenaar-Schoeman, S. Mathebula	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a850 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
In vitro cell signaling events of 2-methoxyestradiol-bis-sulphamate in a breast adenocarcinoma- and a non-tumorigenic breast epithelial cell line M. H. Visagie, A. M. Joubert	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a851 \| 19 December 2013

Conference Abstract: Annual Congress of the Biological Sciences Division 2010
Nano-calciumphosphate generation with novel surface and chemical features for improvement of cell activity in bone repair and replacement I. Wepener, W. Richter, A. Joubert	\| HTML \| PDF
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie \| Vol 32, No 1 \| a852 \| 19 December 2013

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Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | ISSN: 0254-3486 (PRINT) | ISSN: 2222-4173 (ONLINE)

Vol 32, No 1 (2013)

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research

Original Research: Food

Original Research: Food

Original Research: Food

Original Research: Food

Original Research: Food

Original Research: Food

Original Research: Food

Original Research: Food

Original Research: Food

Original Research: Mathematics Education

Original Research: Mathematics Education

Original Research: Mathematics Education

Original Research: Mathematics Education

Original Research: Mathematics Education

Reviewer Acknowledgements

Reviewer Acknowledgements

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

Conference Abstract: Annual Congress of the Biological Sciences Division 2010