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ARU pioneering mountain range-expanding project

26 July 2021 | Story Nonsindiso Qwabe | Photo Nonsindiso Qwabe

ARU Read more web — 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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Kovsie alumni honoured

2012-09-10

Mr Mickey Gordon, Head of Marketing at the UFS, with Jaco Loubser (right), Kovsie Alumnus of the Year.
Photo: Dries Myburg
10 September 2012

Jaco Loubser, the producer of television programmes such as Shoreline on SABC and Groen, Roer and MK Kampus on kykNET has been named as the Kovsie Alumnus of the Year by the University of the Free State (UFS). Loubser and five other Kovsie alumni were honoured for outstanding achievements and contributions at the Kovsie Alumni Awards held on the Bloemfontein Campus.

Jaco, who obtained a master’s degree in Zoology from the UFS, received the award for outstanding achievements on national and international level for his contribution to and development of the South African film and television industry.

Prof. Stephen Brown, Associate Professor in the Department of Paediatrics and Child Health and Prof. Hennie Theron, Associate Professor in the Department of Cardiology, received the Cum Laude Award for exceptional service for a specific profession. Profs. Brown and Theron were recognised as pioneers in the development and application of medical technology, as well as for their pioneering work in paediatric care.

The Kovsie Alumni Awards for outstanding service to the UFS was also shared by two people, namely Prof. Hendri Kroukamp, Dean of the Faculty of Economic and Management Sciences, and Advocate Wessels Oosthuizen, Director of the Centre for Financial Planning Law at the UFS. The Kovsie Ambassador’s Award went to Prof. Matie Hoffman, Associate Professor in the Department of Physics.

Jaco thanked Prof. Hoffman in his speech and said it was good to share the stage with one of his former lecturers. Jaco, who has received numerous awards for his television programmes, said the Kovsie Alumni Award was unexpected and it was a great honour to receive it from his alma mater.

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