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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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Wag-’n-Bietjie dominates for sixth consecutive year

2016-01-22

The First-year Athletics event was a celebration of colour and fun. Besides the athletics on and around the track at Pellies Park on the Bloemfontein Campus, the first-years encouraged their different residences with great enthusiasm.
Photo: Johan Roux

Six out of six.

This is the proud record Wag-’n-Bietjie can boast of after the residence walked away with the women's athletics trophy for the sixth year in a row during the University of the Free State's first-year athletics meeting.

This year's men's winner, Vishuis, attained a hat trick on 20 January 2016 at Pellies Park on the Bloemfontein Campus when the residence was once again named as the athletics champion. Vishuis also won in 2014 and 2015.

What makes Wag-’n-Bietjie's triumph even more remarkable is the fact that the residence ran the fastest, jumped and threw the farthest in eight out of the past nine years. Marjolein won in 2010.

Sonnedou was second, with Roosmaryn and Soetdoring collectively the third women's residences. In the men's division, Legatum and Armentum were second and third respectively.

Sonnedou has the best spirit

The event, a celebration of colour and fun, was characterised by groups of singing first-years yelling their lungs out. The UFS Student Representative Council judges the winners of the different Spirit trophies.

Sonnedou was the overall winner of the Spirit trophy – something even more important than the action on and around the track for some residences.

Sonnedou was named the winner in the division for women's residences, after which the residence was also crowned as overall winner. Welwitschia and Vergeet-My-Nie were second and third respectively in the women's division.

In the men's division, Armentum, who continued singing even when it was raining later in the evening, was the well-deserved winner of the Spirit trophy. Villa Bravado was second with Tswelopele third.

Conlaurês won the Spirit trophy for Co-ed residences, with Imperium and Kagiso second and third respectively.

Wayde a special guest

The Kovsie athlete, Wayde van Niekerk, who also participated in the first-year athletics meeting in his day, was a special guest.

The 400 m athlete, who will represent South Africa at the 2016 Olympics in Rio de Janeiro, was presented to the first-years during the official welcoming ceremony.

Van Niekerk is still the Kovsie record holder in some events, including the 200 m and the 400 m, as well as the 4 x 100 m team relay event.

Team and individual results for the event.

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