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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

UFS teams up with Department of Agriculture and donates latest farming technology to Oppermans
2009-03-09

 
Attending the recent launch of the latest technology that measures the salinity of soil – the EM38 system – during an information day held in Jacobsdal were, from the left, back: Mr Robert Dlomo, a farmer from Pietermaritzburg in KwaZulu-Natal, Prof. Leon van Rensburg, Department of Soil, Crop and Climate Sciences at the UFS, Mr Sugar Ramakarane, head of the Department of Agriculture in the Free State, Dr Motseki Hlatshwayo, national Department of Agriculture, and Prof. Herman van Schalkwyk, Dean of the Faculty of Natural and Agricultural Sciences at the UFS; front: Mr Robert Smith and Mr Fagan Scheepers from Oppermansgronde, who will be working with the EM38 system in the area.
Photo: Landbouweekblad
UFS teams up with Department of Agriculture and donates latest farming technology to Oppermans

Emerging and commercial farmers of the Oppermans Community in the Northern Cape will now be able to monitor the salinity levels on their farms effectively for the first time.

This is as a result of a donation of the latest technology that measures the salinity of soil – the EM38 system – which the University of the Free State (UFS) is donating to the community.

The unique project was launched by the Department of Soil, Crop and Climate Sciences at the UFS and the Department of Agriculture in the Free State during an information day held at Jacobsdal recently.

The day was attended by members of the Oppermans Community and representatives of the UFS as well as the Department of Agriculture. Mr Sugar Ramakarane, Head of the Department of Agriculture in the Free State, did the welcoming and several academics from the UFS held discussions about various topics related to the salinity levels in soil.

Since the establishment of the Oppermans Community emerging farmers are now for the first time able to accurately monitor the salinity levels on their farms as well as that of irrigation schemes of commercial farms in the area.

“In a region such as the Northern Cape it is very important that the salinity level of soil is monitored properly. As water is administered to crops, salts accumulate in the soil because the roots leave most of the salts in the soil when it transpires. When the salinity of soil increases, the osmotic potential thereof can also increase, which can seriously damage the water intake of crops and can create loss in yield and income,” said Prof. Leon van Rensburg from the Department of Soil, Crop and Climate Sciences at the UFS and leader of the Oppermans Project.

To assist the farming community of Oppermans to apply precision farming and to measure the salinity level of soil more accurately the latest technology that measures salinity in soil – the EM38 – will be donated to the community. Although the system is used throughout the world, the UFS is the only tertiary institution in the country that owns the latest version of this system.

“We are also training two persons from the Oppermans Community as technicians that will monitor the use of the system. The advantage of the donation of the system for the university is that we can gather data that can be used for research purposes by our Master’s and Doctoral students. We also want to see if water-table heights can be measured with this system,” said Prof. Van Rensburg.

According to him the system has several advantages for the community’s emerging farmers. “For the first time the salinity level of soil can now be measured accurately, salt maps can be drawn up, we can advise farmers about the corrections that need to be made and salinity management plans can be compiled,” he said.

The system is very accurate as it takes measurements every 200 mm while it is pulled by a four-wheel motorbike. The readings provide the distribution of salts up to a soil depth of 1 500 mm. “In the past the measuring of salinity levels was time-consuming and the cost thereof was R90 for one sample. The new system is more cost-effective,” stated Prof. Van Rensburg.

The instruments will be handed over to the African Spirit Group of the Oppermans Community, who will then become the owners. The service to farmers will then be managed by an operational group consisting of people from the Oppermans Community, a postgraduate student who can compile salinity maps and Prof. Van Rensburg, who will act as project leader and advisor.

The system will also be made available to farmers at the Riet River and Vaalharts Schemes.

Media Release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za  
9 March 2009
 

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