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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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News Archive

Spring Graduation

2011-09-12

Our university will be awarding altogether 91 diplomas/certificates and 624 degrees during the Spring Graduation Ceremony on 14 and 15 September 2011. Of these, 23 doctorates and two honorary doctorates will also be awarded.

As with this year’s Autumn Graduation Ceremony, we will be making the ceremony more accessible to students and the public. Two appearances, in particular, can be looked forward to on this occasion: a national concert pianist in Grade 12 from Voortrekker High School in Bethlehem, Caryn Reed, and a continental debating champion and second-year student in our Faculty of Economic and Management Sciences, Sibusiso Tshabalala, as guest speaker.

All the master’s and doctoral degrees of the various faculties will once again be awarded during one ceremony on 15 September 2011.

Prof. Robert Frater, Emeritus Professor in Thoracic and Cardiovascular Surgery, and Emeritus Professor of Paediatrics, Albert Einstein College of Medicine and Montefiore Medical Centre, New York, will be receiving an honorary doctorate in Medical Science. As a teacher and trainer, Prof. Frater has influenced many surgeons in his training role in the wards, operating room and intensive care facility. Dr Akilagpa Sawyerr, an academic from Ghana, will be receiving an honorary doctorate in Education for groundbreaking work done on the African continent. Dr Sawyerr, who is a member of our International Advisory Council, has visiting appointments at prestigious universities, such as the famous Fletcher School of Law and Diplomacy at Tufts University. He also has visiting status at the Harvard Law School and the Yale Law School.

The full programme for the various ceremonies is:

Wednesday, 14 September 2011:

At 10:15, the degrees will be awarded to students of the Faculties of Humanities, Education, Law and Theology. Diplomas/certificates up until honours degrees will be awarded. This excludes the Certificate in Education, National Professional Diploma in Education and the Advanced Education Certificate.

At 15:15, degrees will be awarded to students in the Faculties of Economic and Management Sciences and Natural- and Agricultural Sciences and Health Sciences. Diplomas/Certificates up until honours degrees will be awarded.

Thursday, 15 September 2011:

At 10:15, a total of 125 master’s and doctoral degrees plus two honorary doctorates will be awarded by all the faculties in a joint ceremony.

The Chancellor’s Dinner will also take place on the same day.

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