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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

New conductor of OSM Camerata is one of South Africa’s most successful young people

2014-03-27

Mr Xavier Cloete

The OSM Camerata at the University of the Free State boasts with a young renowned conductor to lead them in the next season.

Mr Xavier Cloete, winner of the 2013 National Len van Zyl Conductor’s Competition, will conduct the Camerata during the Odeion School of Music’s opening concert.

He completed his BMus degree at the University of Stellenbosch in 2011 with bassoon and orchestral conducting as main instruments and is currently employed by the KwaZulu-Natal Philharmonic Orchestra (KZNPO).

As winner of the Len van Zyl Competition, he completed a conducting internship with the famous Philadelphia Orchestra, which gave him the opportunity to work with acclaimed conductors. He also studied at the Bienen School of Music (Northwestern University) in the Advanced Graduate Conducting Class of Prof Victor Yampolski.

Last year Xavier was also invited to attend the first Sasha Mäkilä International Master Classes in Finland.

His love and passion for music started early in his life – and somewhat coincidentally - in church.

“I was learning to play a few hymns on my dad’s Hammond organ at home. One Sunday our church organist didn’t turn up and I nonchalantly moved in behind the organ. It went very well.”

Xavier ascribes his success to lots of hard work and his love for music.
“My passion for music drives me to work hard. Hard work shows that you are dedicated and this is again seen in the successes you achieve. The reward of one’s hard work is the best instrument.”

He will be making his international debut with the St Michel’s City Orchestra (Finland) during April 2014.

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