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08 September 2020 | Story Leonie Bolleurs | Photo Falko Buschke
Dr Falko Buschke says the iconic sandstone cliffs of the eastern Free State are key to protecting wild plants and animals from climate change.
The iconic sandstone cliffs of the eastern Free State are often the focus of paintings and postcards. Now, new research shows they also protect wild plants and animals from climate change. This finding is the outcome of a collaborative research effort by the University of the Free State (UFS); BirdLife South Africa; the Vrije Universiteit Brussel and KU Leuven, Belgium, which has recently been published in the journal Biological Conservation.

Mountains key for climate change mitigation

The study, led by Dr Falko Buschke from the Centre for Environmental Management UFS, used satellite data from NASA to track the ecological effects of wet and dry seasons, including the record drought of 2015/16. This showed how vegetation on the cool and moist mountain slopes was less affected by dry spells.

The complex physical terrain allows moisture to accumulate in the shaded parts of the south-facing slopes and ravines. This creates cool and moist habitats for plants and animals that wouldn’t survive in the rest of the hotter and drier landscape.

The team also discovered that these positive effects of mountains do not end at the foot of the mountain, but extend at least 500m into the flatter lowlands. “Presumably because water and nutrients accumulate in these surrounding buffers due to run-off,” says Dr Buschke.

Butterflies find safety on mountains

In addition to their high-tech analysis of the area, the team also relied on old-fashioned fieldwork to monitor butterflies over two years. “The data showed us how these insects find safety on mountains during harsh climate conditions and can then recolonise the rest of the landscape after conditions improve,” explains Dr Buschke. “This gives us clues on the best way to protect nature,” he adds. 

This study took place in the Rooiberge-Riemland Key Biodiversity Area (KBA), an area significant for maintaining global biodiversity. Several species of insects, reptiles, birds and mammals here occur nowhere else on earth. “If they disappear here, they will go extinct from the whole planet forever,” says Dr Falko Buschke. 

Despite its ecological significance, most of the area is covered by commercial farmland. So, the next stage of the project is exploring ways of protecting these important habitats while ensuring that farmers can continue producing food and supporting rural livelihoods. 

“Farmers hold the key to preserving biodiversity,” says Dr Buschke, “so conservation scientists need to work closely with them to ensure that we protect species for future generations.” 

News Archive

UFS acknowledge 53 for long service
2004-11-03

Long service awards for 35 years: Mrs. Christa du Plessis, Centre for Higher Education studies and Development, mnr. John Moorosi, Soil- and Crop- and Climate Sciences , prof. Frederick Fourie, rector, prof. Jopie Botha, Institute for Groundwater Studies, me. Susan Reineke, Plant Sciences, Dr. Sarie van Vuuren of Sociology and me. Aletta de Klerk, Kovsie Sport.

Fifty three personnel members received long service awards in the centenary year of the university for respectively 35 years of service and 25 years of service.

Prof. Frederick Fourie, Rector, said to the recipients of the long service awards: “In a year in which the writing of history of the UFS took a prominent place in the Centenary celebrations and in which one relived the past hundred years, the value we add to the university on a daily basis is clearly visible. Many personnel members contributed to make the UFS a valued institution and will proceed to do that in the spirit of 100+.”

He thanked and acknowledged personnel for the plus they add to each day’s work. “The students which enter the UFS each year, want to thank you for an university which on an innovative manner impacted their lives. “You helped to create the building blocks for their future,” he said.

Prof. J. F. Botha, Mr M.G. Botha, Ms A. De Klerk, Mr M.J. Doman, Prof. H.C. Janse van Rensburg and Ms S.M.C. Reinecke received awards for 35 years of service.

For 25 years of service at the university Prof. S.L. Barnard, Mr B. Botma, Dr H. J. Breytenbach, Dr M.W. Brussow, Mr N.L. Combrink, Ms A.J. Du Plessis, Ms C. Du Plessis, Prof. L. Goedhals, Mr M.E. Hlazo, Prof. B.B. Hoek, Dr S.J.E. Janse van Vuuren, Mr M. Kgasane, Ms A. Kgosi, Dr W.P. Konig, Dr P.A.L. Le Roux, Prof. N.J. Luwes, Dr N. Luyt, Ms S.E. November, Ms M. Mabaso, Ms M.K. Maruping, Prof. J.D. Marx, Mr J.P. Masedi, Mr G. Mokapane, Mr J. Mokapane, Ms M.L. Molosi, Ms M.M. Molwagale, Mr P.J. Moorosi, Ms C. Moroagae, Ms E. Moroale, Mr G.G. Mothokwane, Prof. M. Mulder, Prof. A.C. Otto, Ms H. Pelser, Ms E. Pelzer, Ms M.M. Pheko, Prof. E. Pretorius, Ms M.P. Richter, Ms E. Rouls, Prof. M.T. Seaman, Prof. R.B. Snowdowne, Prof. J.P. Strauss, Ms M.S. Tsolo, Prof. H.J. van der Linde, Dr S. van Vuuren, Prof. J.B. van Wyk, Dr J.M. van Zyl, Prof. T. Verschoor and Ms M.H.S. York received an long service award.

“Be assured of my appreciation for your loyalty and commitment to a university which is taking careful steps into a new century of its existence. If we do the right things right and with a sincere belief in our heavenly Father we will be able to build on the solid foundation laid by people like you,” he said.

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