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26 July 2021 | Story Nonsindiso Qwabe | Photo Nonsindiso Qwabe
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

UFS mathematician rates as top reviewer
2017-09-27

Description: Abdon Atanaga Tags: pre-publication peer reviews, Prof Abdon Atangana, Institute for Groundwater Studies, Publons for Publons Peer Review Awards 

Prof Abdon Atangana is a professor at the
Institute for Groundwater Studies at the University
of the Free State.
Photo: Rulanzen Martin

South Africa was included in the top 30 countries in terms of researchers who added the most pre-publication peer reviews. 

Prof Abdon Atangana, a professor of Applied Mathematics at the Institute for Groundwater Studies at the University of the Free State (UFS), is included in the list of top reviewers from top countries, as determined by the number of verified pre-publication peer reviews added to Publons for Publons Peer Review Awards 2017.  

Producing the most verified peer reviews

He rated in the top 1% of reviewers (9th), in all fields, who performed the most verified pre-publication peer reviews at Publons for Publons Peer Review Awards 2017. In 2017 he also received the following awards:
- Top reviewers for UFS in the category Mathematics, rating in eighth place. In this category Stanford University rated second. Rating in ninth place is the University of Luxembourg.
- Top reviewers for Mathematics (rating 1st). In this category the Southern Illinois University and the Johns Hopkins University in the US rated in 27th and 25th place respectively. 
- Top reviewers for Engineering (rating 47th)

Prof Atangana’s research interests are methods and applications of partial and ordinary differential equations, fractional differential equations, perturbation methods, asymptotic methods, iterative methods, and groundwater modelling.

Passion for the development of science
Key to his success as peer reviewer is his passion for the development of science, his ability to write fair reports about a given manuscript, as well as his knowledge of what has been done and what the challenges are in a given field to be able to give a report that will help the advancement of science. 

“Due to the impact of my research papers in the field of mathematics and applied mathematics and also my international recognition in the field of applied mathematics, many editors in more than 100 journals of applied mathematics trust my opinion to assess whether a submitted paper in a given journal of mathematics and applied mathematics can be published or not,” said Prof Atangana.

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