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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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Medical students enrich lives through community service project

2016-03-18

Description: 2016 03 18 Outreach Tags: 2016 03 18 Outreach

A group of third-year medical students organised a fun day for Ons Kinderhuis as part of their community service project.

As part of their curriculum, third-year MBChB students are required to complete a community service project in collaboration with a specific NGO in Bloemfontein. Not only do these projects serve an academic requirement, but also echo the spirit of service and compassion emblematic of the Human Project of the University of the Free State (UFS).

One group of students chose to pour their time and care into Ons Kinderhuis–home to 100 children with special needs. Since their involvement, these medical students have helped improve the home’s facilities and also hosted various fun days for the staff and children.

The latest fun day was celebrated on Saturday 12 March 2016. The festivities were kicked off in the morning by a game of soccer using the brand-new goal posts recently built by the medical students. It was difficult to decide who were more excited – the children or the staff – when some of the Cheetah rugby players joined the event. A slippery slide came in handy to wash off sticky hands and mouths and for little bodies with lots of energy the jumping castle was a perfect answer. Faces were painted and a banner created while music and the smell of the braai floated into the autumn air.

“I couldn't help but be proud of my team and thankful for this opportunity,” said Willem Potgieter, one of the student volunteers. Seeing the smiles on the children’s faces made it all worthwhile. “It was truly a humbling and a great learning experience for each and every one of us,” Willem said.

This group of medical students consist of Burger Oosthuizen, Marié Engelbrecht, Lourens Badenhorst, Dirki Wessels, Roodt Ehlers, Shirley-Louise du Plessis, Mariet Geldenhuys, Louise-Mari Zietsman and Willem Potgieter.

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