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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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News Archive

Verslag: SA studente atletiek (Afrikaans)
2005-04-28

Absa-kovsieatletiek
SA studente atletiekkampioenskap - 22 en 23 April 2005 Johannesburg Universiteit
 

Weereens baie goed!!! Dit is hoe ons die Kovsieatlete se vertonings op en af van die baan af kan beskryf. Die 22 medaljes vanjaar teenoor die 25 van 2004, die 14 van 2003 en die 10 van 2002 spreek boekdele, veral as ons in ag neem dat ons in die laaste week 4 van ons top atlete weens beserings verloor het (Antonie Rossouw, Nico Oosthuizen, Jaco Claasen en Renè Kalmer).

Ons het op 20 April om 09:00 vanaf Pelliespark per bus na Johannesburg vertrek en tuisgegaan in die Randburg Road Lodge hotel.

'n Totaal van 43 atlete – 18 vroue en 25 mans het die Kovsies verteenwoordig (spanlys aangeheg).

Die bestuurspan het bestaan uit Danie Cronjé bestuurder mans, Sarina Cronjé bestuurder vroue, Bertus Pretorius afrigter mans, Ans Botha afrigter vroue, Hendrik Cronjé (Video), Jan du Toit, Sidney van Biljon, DB Prinsloo sportbestuurder.

Die mediese span het bestaan uit Dr. Org Strauss en Daleen Lamprecht(bio).

Die volgende lede van die ABSA KOVSIESPAN het medaljes verwerf.

GOUD    
     
Jan vd Merwe  400   46,37
     
Johan Cronjé    1500 mans   3:50.20
     
Boy Soke  10000   30:23,40
     
Charlene Henning   Driesprong vroue  12.62m
     
Francois Potgieter      Tienkamp  6862 punte
     
Magdel Venter    Diskusgooi vroue     46.94m
     
Kovsiespan mans   4x400 Aflos  3:10,17
     
(Dirk Roets, Francois Lötter, Johan Cronjé, Jan van der Merwe)
     
     
SILWER    
     
Charlene Henning  Verspring vroue    6,16m
     
Magdel Venter  Gewigstoot vroue  13,21m
     
Sanè du Preez   Hamergooi vroue     44,71m
     
Boy Soke     5000m    14:36,60
     
Francois Potgieter  110 Hekkies mans    14,00sek
     
Christine Kalmer  1500m vroue    4:35,40
     
Cobus Marais    3000m hindernis   9:32,80
     
     
BRONS    
     
Gustav Kukkuk     110 Hekkies mans    14.00sek
     
Mariana Banting    Driesprong vroue  12.36m
     
Helen-Joan Lombaard   Sewekamp vroue    3354 punte
     
Clive Wessels   Paalspring   4,05m
     
Johan Cronjé  800m  1:52,01
     
Kovsiespan vroue   4x100 Aflos    47,56
     
(Denise Polson, Elmie Hugo, Carlene Henning, Minette Albertse)
     
Kovsiespan mans    4x100 Aflos   42,21
     
( Tiaan Pretorius, Gustav Kukkuk, Marno Meyer, Wiaan Kriel)
     
     
Kovsies wat ook onder die eerste 8 geëindig het sien as volg daaruit:
     
     
4de Plek    
     
Mariana Banting   Hoogspring vroue  1.70m
     
Stefan van Heerden   Driesprong  15,12m
     
Elmie Hugo   200m   24,12sek
     
Ronè Reynecke     400m  57,31sek
     
     
5de Plek    
     
Jackie Kriel    100 Hekkies    13,90sek
     
Jackie Kriel     400 Hekkies   65,40sek
     
Riana Rossouw    Gewigstoot    10,59m   
     
Kenny Jooste   Verspring   7,23m
     
Elmie Hugo    100m  11,86sek
     
Helen-Joan Lombard  Paalspring    3,25m
     
Ronè Reynecke     800m   2:17,58
     
Christine Kalmer   5000m      17:38,32
     
     
6de Plek    
     
Tiaan Pretorius  Verspring   7,21m
     
Francois Pretorius    800m     1:52,67
     
Riana Rossouw   Spiesgooi      38,12m
     
Kovsiespan vroue   4x400 Aflos  4:06,56
     
(Ronè Reynecke, Denise Polson, Lise du Toit, Elmie Hugo)
     
     
7de Plek    
     
Gerda Rust    Hamergooi   36,37m
     
Schalk Roestoff     1500m      3:55,80
     
Francois Lotter    400m       47,94
     
Pienaar j v Rensburg    10000m   32:12,21
     
Kovsie mans  ”A”  en  B span  4x400     3:15,44
     
     
8ste Plek    
     
Charles le Roux   Verspring   7,06m
     
Tiaan Pretorius  Driesprong  14,06m

In die spankompetisie het die Vroue 4de geëindig en die mans 4de. In die algehele kompetisie het die Kovsies ook die 4de plek behaal (aangeheg).

Die gees en gedrag van die toergroep was uitstekend en was die atlete goeie ambassadeurs vir die Kovsies.

Danie Cronjé     Sarina Cronjé
Spanbestuurder  Mans   Spanbestuurder Vroue

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