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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

Prof. Jonathan to take up office on 1 July 2009
2009-03-24

Our new Rector and Vice-Chancellor, Prof. Jonathan Jansen, has indicated that he will take up office on 1 July 2009.

Speaking here at the Main Campus in Bloemfontein today after discussions with members of Council, Prof. Jonathan said he was deeply humbled by the overwhelmingly positive reception he has received from all quarters on and off campus following the announcement of his appointment.

“I have received telephone calls, e-mails, SMSs and messages from people who have nothing but support and seemingly lots of advice for me, which has humbled me tremendously. I am truly grateful for the trust shown in me by so many people I have not even met.

“This generosity and warmth is something that has reinforced my view that the University of the Free State is indeed a very special place for so many people and a place that I am honoured to serve as Rector and Vice-Chancellor.”

Prof. Jonathan said he would dedicate his first few months in office to a listening campaign to learn about the issues and concerns that are on people’s minds as well as the initiatives and developments at our university that make them proud of our institution.

“This is an important step because I don’t want to come across as some know-it-all who can come here and tell people this is what they should do. It is also an important step to get people talking and united about a common vision for the academic institution that the UFS is. It will have to be about the twin imperatives of racial reconciliation and academic excellence.

“In this process of listening and learning no-one will be excluded. I will talk to people on campus and off campus, including academic staff, support staff, the Qwaqwa Campus, students, parents, alumni, local business, the religious community, and our sport persons.

“I must also add that I have now bought my Cheetah and Bloemfontein Celtic jerseys, difficult as it was for me.”

Media Release
Issued by: Anton Fisher
Director: Strategic Communication
Tel: 051 401 2749
Cell: 072 207 8334
E-mail: fishera.stg@ufs.ac.za  

 

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