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26 July 2021 | Story Nonsindiso Qwabe | Photo Nonsindiso Qwabe
On top of the Drakensberg. The ARU and Witsieshoek Mountain Lodge research team are, from the left: Grant Martin, Dr Ralph Clark, Jan van Niekerk, Prof Aliza le Roux, Prof Peter Taylor, and Dr Sandy Steenhuisen.

All mountains around the world have native and non-native species that are expanding their ranges quite dramatically; however, little research has been conducted towards understanding the long-term redistribution of species and the effects of global change on biodiversity.


The Afromontane Research Unit (ARU) on the University of the Free State Qwaqwa Campus – as part of the Mountain Invasion Research Network – has secured a two-year EU Horizon 2020 project under the Department of Science and Innovation, which will be looking at the mechanisms underlying the success and impact of range-expanding species on biodiversity and ecosystem functioning.

On Monday 19 July 2021, the ARU took a few of its researchers on a scenic helicopter ride to the summit of the Drakensberg for an alpine field-experiment site inspection of the Mont-aux-Sources peak, one of the highest sections of the Drakensberg range. This site has been identified for the project which the research unit will be leading on mountain research.

ARU Director, Dr Ralph Clark, said the project would explore the effects of global change, biological invasions (when species invade new geographic regions), as well as climate and land-use change. He said experiments were needed to explore the various possibilities and to test the extent to which species respond to experimental treatments. The project would therefore be conducting experiments for two years using open-top chambers – causing an increase in temperature of 3 or 4 degrees to what you find naturally – on plant species from lower down to the top of the mountain, to see how they function. “This will give us an idea of whether they will be able to survive in global warming scenarios. If temperatures get warmer, we might start seeing a lot of plants up here that we wouldn’t otherwise find here.”

Dr Clark said little is known about the long-term monitoring of species distribution and the effects of global change. Implementing the project in the Maloti-Drakensberg alpine area will therefore put the area in the global mountain research arena. The elevational gradient in the Maloti-Drakensberg Mountains provides space to explore the key processes underlying the variation in species elevation with climate change. “One of the things we don’t know much about are alpine systems. We are hoping to establish a long-term alpine research site and try to add as many studies as we can. The more science we can bring up here, the more we can know about mountain life. What happens on mountains has a lot of impact on social dynamics.

“This project is looking to see what is driving range expansion. Every mountain has its own context. In the Swiss alpine, fires are not a big factor, but fires are one of the biggest factors on our mountains. Some of our native and non-native species are therefore fire-driven, so as fire increases, you might have them spreading faster.”

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Twee broers lewer intreerede
2004-06-10

‘n Unieke geleentheid sal homself môre, 9 Junie 2004, voordoen wanneer twee broers - proff Francois en Janse Tolmie - tydens dieselfde geleentheid hul intreeredes aan die Universiteit van die Vrystaat (UV) sal lewer.

Prof Francois Tolmie is verbonde aan die UV se Departement Nuwe Testament en die onderwerp van sy lesing is Die impak van die metodologie op die verstaan van die Nuwe Testament. Prof Janse Tolmie, sy jonger broer, is verbonde aan die UV se Departement Rekenaarwetenskap en Informatika en die onderwerp van sy lesing is Die rol van inligtingstegnologie in kennisbestuur.

Hoewel die studievelde vér verwyderd staan, klop die twee broers se missies wat betref die terugploeg van die verworwe vakkennis ten bate van die gemeenskap. Prof Francois Tolmie is nóú betrokke by dowes en Prof Janse Tolmie tap weer kunsmatige intelligensie ten bate van die mediese wetenskap en geestesgesondheid.

Prof Francois Tolmie verwerf die grade BA, BA Honneurs (Grieks), MA (Grieks), B Th en M Th almal cum laude aan die UV. In 1992 verwerf hy 'n D Th (Nuwe Testament) en in 2004 'n Ph D (Grieks) aan dieselfde universiteit. Na sy militêre diens as kapelaan in Walvisbaai aanvaar hy 'n beroep na die NG-gemeente Walvisbaai. Hy begin sy akademiese loopbaan op 1 April 1990 as senior lektor in die Departement Nuwe Testament en word in 1999 tot medeprofessor en in 2003 tot professor bevorder.

Sy navorsingspesialiteit is die Johannesevangelie en die Brief aan die Galasiërs. Hy is tesourier van die Nuwe Testamentiese Werksgemeenskap van Suid-Afrika, lid van die Society of Biblical Literature en die Studiorum Novi Testamenti Societas, redakteur van Acta Theologica en assistent-redakteur van Neotestamentica. Hy het reeds 34 artikels in geakkrediteerde tydskrifte gepubliseer, asook drie populêr-wetenskaplike boeke en talle bydraes in populêr-wetenskaplike boeke. Hy het twee akademiese boeke in die buiteland gepubliseer - onderskeidelik in Nederland en in die VSA. Later vanjaar verskyn 'n derde akademiese boek in Duitsland. Hy is ook een van die vertalers van die Afrikaanse Bybel vir Dowes.

Prof Janse Tolmie verwerf die grade B Sc, B Sc (Hons) en M Sc (Cum Laude) in Rekenaarwetenskap aan die UV.

Hy is vanaf 1989 betrokke by die UV en was ook ’n dosent aan die Militêre Akademie in Saldanhabaai in 1990/91 en het klas gegee by DePaul Universiteit in Chicago in 2002.

In 1992 is hy vir ses maande gesekondeer na ’n patologiese firma, Van Drimmelen en Vennote, in Johannesburg vir die ontwikkeling van kennisgebaseerde sagteware. Met hierdie projek word hy een van slegs ’n handjievol navorsers in die wêreld wat daarin kon slaag om ’n mediese kundigheidstelsel te ontwikkel wat werklik gebruik word.

Hy verwerf sy Ph D in 1994 en in 1994/95 doen hy navorsing aan die Besigheidskool van Carleton Universiteit in Ottawa, Kanada. Hy word in 1997 bevorder tot mede-professor en in 2003 tot volprofessor. Vanaf 2003 tree hy op as departementele voorsitter van die UV se Departement Rekenaarwetenskap en Informatika.

Hy het meer as 30 publikasies al die lig laat sien, insluitend verskeie internasionale kongresbydraes en artikels in geakkrediteerde joernale. Hy was ook vir 2 siklusse geëvalueer by die NRF. Sy portfolio sluit in die ontwikkeling van sagteware of prototipes vir groot maatskappye soos Van Drimmelen en Vennote en Bayer Diagnostics (VSA). Sy privaatbesigheid fokus op die ontwikkeling van nismarksagteware vir tersiêre instellings. Die sagteware word tans gebruik deur afdelings aan verskeie universiteite in Suid-Afrika.

Die geleentheid vind om 19:00 in die CR Swart-ouditorium op die kampus plaas.

MEDIAVERKLARING

Uitgereik deur: Lacea Loader
Mediaverteenwoordiger
Tel: (051) 401-2584
Sel: 083 645 2454
E-pos: loaderl.stg@mail.uovs.ac.za
 

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