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20 May 2021 | Story Leonie Bolleurs | Photo Leonie Bolleurs
The Maloti-Drakensberg is known as the ’water tower of Southern Africa’, as it is the largest provider of fresh water in the region. If the alpine system collapses, the water production will be detrimentally impacted.

The Afromontane Research Unit (ARU) of the University of the Free State, based in Phuthaditjhaba South Africa, is partnering with several institutions of higher learning, relevant forums, foundations, and policy makers in Africa in an attempt to expand its alpine research.

The research unit is joining forces with the University of Helsinki (Finland) and the National University of Lesotho (NUL) for a National Research Foundation (NRF) award to the University of Pretoria on using fine-scale functional and compositional variation in alpine plants to predict the impact of climate change. According to Dr Ralph Clark, Director of the ARU, this project will expand understanding of the ecology of the alpine zone in the Maloti-Drakensberg, and its similarity (or dissimilarity) with other alpine and tundra environments. 

First step towards sustainability and restoration

A complimentary visit by Alex Hickman, Chair of the African Mountain Research Foundation (AMRF), to the Bvumba Mountains in Zimbabwe, the ARU, and Afriski, laid the psychological foundations for the first two AMRF mountain observatories, as well as gaining support from Afriski as a focus area for alpine studies in the Maloti-Drakensberg. 

Dr Clark explains that the Maloti-Drakensberg is known as the ’water tower of Southern Africa’, as it is the largest provider of fresh water in the region. “The alpine system is critical to this water provisioning function but is under tremendous pressure from intense communal rangeland degradation. If the alpine system collapses, the water production will be detrimentally impacted,” he says.

“Understanding this alpine system holistically is the first step to sustainability and restoration in a social-ecological paradigm,” he adds.

Building capacity for mountain research

The ARU is leading two University Staff Doctorate Programmes (USDPs), both in partnership with the University of Venda, which supports 20 young academics to achieve their doctorates. Dr Clark says while doctoral topics are diverse, they are both focused on building capacity for mountain research in Southern Africa – including the mountain cities of Phuthaditjhaba and Thohoyandou. 

According to him, there are three partners from the United States of America (Appalachian and Colorado State Universities, and the University of Montana) and one partner from the United Kingdom (University of the Highlands and Islands) in the USDPs. Prof Geofrey Mukwada from the Department of Geography and Dr Grey Magaiza from the Department of Sociology are co-ordinating the USDPs.  

The ARU has also attracted one of Southern Africa’s top biodiversity scientists, Prof Peter Taylor, who started at the ARU Department of Zoology and Entomology in January 2021. Dr Clark believes that Prof Taylor – an NRF B3-rated researcher with an H-index of 34 who handed over his SARChI Research Chair to join the ARU – will catapult the ARU to a higher level of regional connectivity (notably with Angola), research outputs, and internal mentoring capacity. Prof Taylor, described as a mammologist and evolutionary biologist, specialises in the systematics, ecology, conservation, and ecosystem services and disservices of small mammals, in particular rodents, bats, and shrews.

Collaboration with two SARChI chairs

The ARU also collaborates with two Department of Science and Innovation NRF centres of excellence (Centre for Biological Control at Rhodes University, and the Centre for Invasion Biology at Stellenbosch University) and one SARChI Chair (Ecosystem Health and Biodiversity in KwaZulu-Natal and the Eastern Cape) on various non-native species in Southern African mountains. 

“The rose (Rosaceae) and grass (Poaceae) plant families are particular problem groups in our mountains. For example, firethorns (Pyracantha species) invade native grassland, taking over valuable grazing land and displacing indigenous species. Nassella grasses similarly displace natural rangeland and render farms unusable – if unchecked, the cost of controlling the nassella can exceed the value of the property. Our research seeks to understand the reproductive ecology of these species better, as well as best practice management,” explains Dr Clark.

In addition, the ARU has an ongoing collaboration on montane pollination systems with the SARChI Chair in Evolutionary Biology at the University of KwaZulu-Natal and the University of Cape Town. Dr Sandy-Lynn Steenhuisen in the Department of Plant Sciences is the ARU champion for both programmes. 

Connecting with policy makers in Lesotho

As of the first quarter in 2020, the ARU was invited to sit on the Maloti-Drakensberg Transfrontier Programme (MDTP): Biodiversity Sub-Committee. This opportunity enables the ARU to connect directly with high-level policy makers in Lesotho and South Africa, and to increase its reach for science-policy connections across the Maloti-Drakensberg region. 

Dr Clark states that partnerships under the MDTP can assist in achieving the ARU’s research goal of ‘the sustainable development of the Maloti-Drakensberg’. According to him, the ARU has proposed a focus in the MDTP on the degradation of the Mont-aux-Sources area. A qualitative site assessment by Dr Clark has, among others, also led to a book chapter being submitted in 2021.

The ARU is also extending its reach to include research on montane wetlands. Together with BirdLife South Africa, they have finalised a memorandum of understanding around montane wetland research, offering the potential for partnering to survey poorly studied montane wetlands for rare biodiversity, notably key endangered bird species. 

Dr Clark says the montane wetland bio-acoustic network has been strengthened through Dr Peter Chatanga (NUL) landing a British Ecological Society grant for bio-acoustic work in Bokong Nature Reserve in Lesotho, in collaboration with Prof Aliza le Roux from the Department of Zoology and Entomology and the Okinawa Institute of Science and Technology in Japan, as well as linking to BirdLife’s programme.

Global Mountain Safeguard Research in Southern Africa

Southern African links grew well in 2020 due to new mountain-focused contacts in Madagascar, Zambia, Malawi, and Réunion through the Global Mountain Safeguard Research (GLOMOS)-led Safeguarding Mountains book project, with Dr Clark being the editor of the African contribution. 

The ARU submitted several research proposals with members of the GLOMOS team, including on water security and civic society in Maloti-a-Phofung Local Municipality; climate change and water provisioning in the Maloti-Drakensberg; and a book (in process) on Phuthaditjhaba as an African mountain city.  

The ARU is also planning the first Southern African Mountain Conference (SAMC2022) in partnership with the AMRF and GLOMOS, which will take place from 14 to 17 March 2022. According to Dr Clark, they seek to draw a strong regional contribution for a better understanding of Southern African mountains as social-ecological systems. “We also aim to form a stronger science-policy-practitioner interface and community of practice for Southern African mountains,” he says. 

News Archive

Researcher at Qwaqwa Campus, Dr Aliza le Roux, selected as SAYAS member
2014-09-12

 

Dr Aliza le Roux

Dr Aliza le Roux, senior lecturer in the Department of Zoology and Entomology on the Qwaqwa Campus of the University of the Free State (UFS), was selected as a member of the 2014 South African Young Academy of Science (SAYAS). Dr Le Roux, a member of the Vice-Chancellor's Prestige Scholars Programme at the UFS, is also a South African National Research Foundation-rated (NRF) scientist (Y2) and the winner of the UFS Vice-Chancellor’s Excellence in Teaching Award in 2013.

She sees her selection to SAYAS as a unique opportunity to help change the face of science in South Africa. Dr Le Roux hopes to use her skills as project leader in social media, as well as her own learning experiences on a rural campus, to inspire especially ecological research in a country so rich in its own natural heritage.

The SAYAS selection committee was impressed by the high level of academic merit and depth of the nominations they received. “Your membership is critical in contributing to many of the vital activities and functioning of SAYAS, and we look forward to your active contributions to the further development and growth of the Young Academy,” said Prof Aldo Stroebel, Chair: SAYAS Selection Committee.

Prof Corli Witthuhn, Vice-Rector: Research at the UFS, said, “Aliza le Roux is an outstanding young scientist on our Qwaqwa Campus. She is not only an outstanding researcher but has also received prizes during the past year for her dedication to teaching. I am very excited about the young researchers on our Qwaqwa Campus with Aliza as one of the leaders, and I am looking forward to what else they can achieve in the next five years.”

In the past decade, Dr Le Roux focused her research on the cognitive and communicative skills of wild mammals in South Africa and Ethiopia. She spent four years as a postdoctoral research fellow at the University of Michigan, leading to ground-breaking research on the cognitive and communicative underpinnings of gelada monkey behaviour. Her current work encompasses an NRF-funded project on paternal care in bat-eared foxes, and experimental research on spatial cognition in wild samango monkeys. She is also involved in discussions with the Endangered Wildlife Trust to research the mitigation of road-kill incidents in South Africa.

Dr Le Roux hopes to combine cognitive ecology with more applied conservation questions in order to raise the profile of behavioural ecology as a discipline. She believes strongly in involving the public with scientific research, and has blogged for Nature Magazine on her adventures as field biologist. Her work has since found its way into numerous websites, magazine and newspaper articles and she has been interviewed on radio and BBC World.

Dr Le Roux will be inaugurated as SAYAS member on 14 October 2014.

Dr Marieka Gryzenhout from the Department of Plant Sciences is also a member of SAYAS.


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