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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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Top matriculants for Kovsies

2014-01-24

From left are: Saneliswe Khambule, Lungile Mkhungo, Jannie de Wet, Anje Venter, Siqiniseko Buthelezi and Abrille Beukes.
Photo: Hannes Pieterse

Hailing from top schools in KwaZulu-Natal (KZN), Naushad Mayat, Lungile Mkhungo and Siqiniseko Buthelezi share 20 distinctions between them. Leaving the province of the Zulu Kingdom for Bloemfontein, all three are at Kovsies to study as doctors.

Naushad obtained eight distinctions, an achievement that placed him in the top ten matriculants in KwaZulu-Natal. The former learner from Glenwood High School in Durban came fourth in the Umlazi District and tenth overall in the province. Enrolling for a degree in Medicine, he will join the list of outstanding health professionals Kovsies produce every year.

Lungile, who matriculated from Kingsway High School, attained seven distinctions and her average percentage was 90%. She received distinctions in English – 90%, IsiZulu – 94%, Mathematics – 83%, History – 92%, Physics – 89%, Life Sciences – 89% and Life Orientation – 93%. Lungile is not only clever, but also performed well in sports at her school, participating in netball, soccer and athletics. This future doctor is a proud resident of Wag-'n-Bietjie residence.

Siqiniseko made history at his school, Maritzburg College, becoming the first black Head Prefect at the 150-year-old school, the oldest boys' high school in KZN and one of the oldest schools in South Africa. A gifted learner excelling in sport, culture and academics, Siqiniseko obtained five distinctions (English, Afrikaans, Life Orientation, Accounting and Life Sciences). His sporting prowess has seen him captaining Maritzburg College's first rugby team, as well as the KZN Academy team.

The three are joined by fellow KwaZulu-Natal resident, Saneliswe Khambule, Namibian Abrille Beukes and Free Staters Anje Venter and Jannie de Wet.

Saneliswe, a former learner of Menzi High School in Umlazi, received five distinctions in her final-year exams. The Emily Hobhouse resident registered for a Forensic Science degree and plans on doing her doctoral studies in this exciting career field.

Abrille Beukes is another future doctor and is all the way from Windhoek in Namibia. Abrille obtained a ‘one’ in all her subjects, the highest possible mark in the Namibian school system. The Windhoek-born student received high levels in Mathematics, Accounting, Physical Science, Biology, Afrikaans and English. As second best student in her home country, she will register for a Medicine degree.

Anja, the Free State’s top achiever, received an average percentage of 93% in the matric final exams. The former Eunice student obtained nine distinctions, an achievement that placed her in the national top 100 matriculants. Anja enrolled for a BSc Actuarial Science degree and will be joined in class by former school friend, Jannie de Wet, who obtained a whopping ten distinctions. Jannie and Anja attended Universitas Primary School together, with Jannie finishing his school career at Jim Fouché High School, and just like Anja, he will also enrol for a BSc Actuarial Science degree.

Jannie obtained distinctions in Afrikaans, English, Mathematics, Mathematics (third paper), Life Orientation, Accounting, Physical Science, Life Science, Economics and Information Technology. Jannie is also the Volksblad and the University of the Free State’s 2013 Matriculant of the Year.

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