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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

Ladies smash competition to reign supreme

2017-03-09

Description:Stagedoor 2017 Tags: Stagedoor 2017 longdesc=

This year, the ladies from Roosmaryn and Sonnedou
walked away as the Stagedoor winners.
Photo: Johan Roux

This year, the first-years gave a show-stopping performance as they showed the audience how to make Stagedoor great again.

Hard work and sacrifice pays off

Let’s make Stagedoor great again was the theme behind this year’s Stagedoor production, which allowed all residences to get their creative juices flowing by bringing the theme to life in their own unique way.

Divine Bitalo, Roosmaryn RC Culture, said that they are honoured to have been crowned as the champions. “We put in a lot of hard work and sacrifice and we are just glad that everything worked out in the end.”

First-years given amazing platform

Teneal van Deventer, Sonnedou RC Culture, concurred with the words of Divine and also thanked the university for the opportunity. “I would like to thank Kovsies for giving our first-years this amazing platform to showcase their talents and make new friends.”

The Stagedoor finals, which took place on Saturday 4 March at Kovsie Church, saw our first-years battle it out to be crowned as this year’s winners and claiming the bragging rights for the year.

The winners were:

1st place: Roosmaryn and Sonnedou

2nd place: BeyCon (Beyers Naude and Conlaures)

3rd place: Marjolein and Legatum

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