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26 August 2022 | Story NONSINDISO QWABE | Photo Boitumelo Molefe
Prof Geofrey Mukwada
Prof Geofrey Mukwada from the Department of Geography on the Qwaqwa Campus delivered his inaugural lecture, which focused on elevation-dependent warming in the Drakensberg Mountain region.

South Africa is generally regarded as a thirsty country due to water scarcity nationally. Even a rise of 0,5 °C in climate temperatures could have devastating effects on the environment.

Delivering his inaugural lecture on 22 August 2022 – a first for the Qwaqwa Campus in many years – Prof Geofrey Mukwada of the Department of Geography at the University of the Free State (UFS) Qwaqwa Campus painted a picture of the long-term effects of climate change on ecological, social, and economic aspects of the environment. The effects of climate change are being felt in all regions of the world, and the Drakensberg region in particular is beginning to bear the brunt.

Elevation-dependent warming a threat to socio-ecological systems

Introducing his topic, The last days of plenty: an assessment of elevation-dependent warming in the Drakensberg Mountain region between 1980 and 2018 and its potential implications for social-ecological systems in the region and downstream communities, Prof Mukwada said ‘last days’ was a euphemism used figuratively to imply the impending loss of environmental resources in the mountains because of climate change.

According to Prof Mukwada, elevation-dependent warming in the Drakensberg would pose serious implications for the overall rural livelihoods, regional trade, and biodiversity conservation.

“The Drakensberg Mountains is made up of a chain of several mountains and is home to a lot of activities. It is important for rural livelihood, including agriculture, cultivation of different forms, fisheries, and tourism, and if the climate is therefore changing and elevation-dependent warming is taking place, we see a threat to socio-ecological systems in many ways.”

In his lecture, Prof Mukwada discussed the three-decade-long investigation to determine if elevation-dependent warming is taking place at several points of the mountains, and to assess its environmental implications for the region and downstream communities. Using a time-series analysis standardised precipitation and evaporation index (SPEI) and monthly maximum temperature and locational and elevation data, the investigation monitored climate change trends between 1980 and 2018.

Development of research-based solutions

He said results did not confirm the existence of elevation-dependent warming in the Drakensberg Mountain region, but statistically significant evidence has shown that the region is becoming warmer and facing increasing aridity.

“It is worrisome in the sense that even such a small change can have devastating effects on the environment.”

In order to avert these problems, Prof Mukwada said a special climate adaptation plan for the region was necessary. The university plays a key role in this, as it can provide guidance on the process of redefining knowledge, scientific understanding and truth, in order to promote sound mountain development interventions and programmes. “We need to shift towards research-based solutions.”

Prof Mukwada is a C2 NRF-rated researcher with expertise in the application of remote sensing and geographic information systems (GIS) in integrated scientific and multidisciplinary environmental research.

News Archive

UFS hones focus to nurture world-class research - Business Day
2006-02-10

 

Sue Blaine
THE University of the Free State plans to concentrate academic study in five areas to strengthen its status as a research institution, the university said yesterday.

The Bloemfontein-based university will focus on areas it classes as development (economics, health, literacy and other human activities) and social transformation — an analysis of how South African society is changing from a philosophical and political viewpoint.

The other three research areas are new technologies, water resources and security, and food production and security.

“It makes sense to concentrate the university’s human resources, infrastructure, financial resources and intellectual expertise,” said university rector and vice-chancellor Prof Frederick Fourie.

The move introduces a style of research that matches international trends.

Universities in Canada, Britain and Australia are setting up their research departments in this way.

In SA, the universities of Stellenbosch, the Witwatersrand, Cape Town and KwaZulu-Natal have embarked on similar strategies.

Fourie gave the example of his alma mater, the US’s Harvard University, whose Nanoscale Science and Engineering Centre is an example of “clustering” on a larger scale.

The centre is a collaboration with Harvard, the Massachusetts Institute of Technology, the University of California, Santa Barbara, the Museum of Science, Boston, and universities in the Netherlands, Switzerland and Japan.

Fourie said the modern research world was so diverse and complex that no university could cover all bases so it was better to establish areas of expertise that made it different from its peer institutions.

Having scientists and researchers work in teams meant certain issues could be researched and developed in a multidisciplinary manner. “I think it’s the only way in which any university can excel. This will help SA become world class in selected areas,” Fourie said.

It is in chemistry that the cluster model has already had its most visible results, with a slice of the university’s on-campus pharmacological testing company Farmovs, established in the 1980s, sold to the US’s Parexel International.

The company is one of the largest biopharmaceutical outsourcing organisations in the world, providing knowledge-based contract research, medical marketing and consulting services to the global pharmaceutical, biotechnology and medical device industries, according to Biospace, an internet-based company providing resources and information to the life science industry.

President Thabo Mbeki, in his state of the nation address last Friday, committed government to allocating more resources to research, development and innovation, and increasing the pool of young researchers in SA.

He said government would “continue to engage the leadership of our tertiary institutions focused on working with them to meet the nation’s expectations with regard to teaching and research”.

The university used to be home to several A-rated scientists, who are considered by a peer review, conducted by the National Research Foundation, to be world leaders in their fields, but had lost them to other institutions. Fourie hopes to lure them back, and with them postgraduate students and funding for their work.

“At universities where you get a star researcher they tend to attract people and funding; if they leave they take that with them,” he said.

Fourie said R50m would be spent on the project, with some already spent last year and the last disbursements to be made next year.

There is R10m in seed money to gather experts and improve equipment and infrastructure, and R17m has been invested in chemistry equipment and staff.

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