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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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Memorial lecture: Repositioning of the Free State Provincial Government

2005-08-29

The repositioning of the Free State Provincial Government to respond to the 21st century demands is the topic of the University of the Free State’s (UFS) JN Boshoff Memorial Lecture that takes place on campus next week.

The lecture will be delivered by Dr Charles Nwaila, Director-General of the Free State Provincial Government and Vice-Chairperson of the UFS Council and will take place on Thursday 8 September 2005 at 18:00 in the CR Swart Auditorium on campus.

The title of the lecture is Free State Government repositioning itself to respond to the 21st century demands with special focus on the human capital edge.

Dr Nwaila obtained his BA in 1984 at the University of the North, his BA Honors (English) in 1987 at Wits University, his MA (English) in 1990 at Durham University (UK) and D Litt (English) in 1997 from the University of Pretoria.

Dr Nwaila is also Chairperson of the Forum of Heads of Departments, Governance and Administration and Secretary of the Executive Council.

Previously, Dr Nwaila was the Superintendent-General of the Free State Department of Education from 2002 to February 2005. Dr Nwaila also served in government as Chief Director in the Gauteng Department of Education. Dr Nwaila is highly experienced and his career includes serving as a headmaster in rural and urban schools, lecturer at the Soweto College of Education, and supervisor at ABET centres.

Enquiries can be directed to Ms Joan Nel at (051) 401-9301.

Media release

Issued by:  Lacea Loader
   Media Representative
   Tel: (051) 401-2584
   Cell: 083 645 2454
   E-mail: loaderl.stg@mail.uovs.ac.za

29 August 2005

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