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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

Arts Festival Rally promises to be great fun

2009-05-20

The annual Amazing Rainbow Rally, presented by the Department of Paediatrics and Child Health and UFS Marketing, will take place on Friday, 17 July 2009 during the Volksblad Arts Festival on the Main Campus of the University of the Free State (UFS) in Bloemfontein.

This year all the checkpoints will be on the campus and around the Arts Festival grounds. Corporate companies in Bloemfontein and departments at the UFS may still enter teams and checkpoints.

The closing date for entering teams is 26 June 2009. A team consists of two team members who must work together to complete a route with various checkpoints. The team, who finishes first after having successfully completed all the tasks, is the winner. Last year, Dr I Babst en Dr L Solomon from the Department of Paediatrics and Child Health were the winners of the Rally.

The closing date for entering a checkpoint is 17 June 2009. Teams must complete tasks at every checkpoint before proceeding to the next checkpoint. The company sponsoring the checkpoint will also be responsible for handling the activity at the checkpoint.

The “Arts Festival” Rally promises to challenge teams physically, mentally and even artistically. Festival goers will also have the opportunity to see what teams get up to and how their favourite team is doing.

The Rally will be presented for the fifth time in 2009. The main goal of this year’s Rally is to raise funds for the Department of Paediatrics and Child Health’s “Beds of Hope Campaign”. This campaign seeks to increase the number of intensive care beds in the paediatric and neonatal wards. Currently around 250 children and babies in central South Africa cannot receive the life-saving care they need because of a lack of facilities.

For more information and entry forms, contact Ms Adéle van Aswegen at 051 401 3535 or e-mail to vanasweg.stg@ufs.ac.za . You can also visit our website at http://bedsofhope.ufs.ac.za

Media Release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za

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