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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 centenary reaches a peak
2004-10-04

The University of the Free State’s (UFS) centenary celebrations will reach a peak next week when various functions will be presented on campus.

On Tuesday 12 October 2004 the Centenary Complex, the new prestige entertainment venue of the UFS, will be officially opened. The complex is situated on the terrain of the old Reitz dining hall and will be utilised as reception and socialising area for UFS management, staff and alumni. The DF Malherbe House forms part of this complex.

The festivities will continue the next day ( Wednesday 13 October 2004) with the premiere of a documentary programme – commissioned by the UFS as part of its centenary celebrations - about the life and legacy of King Moshoeshoe, the Basotho leader of the nineteenth century. The documentary will focus on his role in reconciliation, nation-building and bringing about peace in this region. The producer of this insightful work is the well-known journalist Mr Max du Preez. The documentary will be screened on SABC 2 later this year.

On Thursday 14 October 2004 a special honorary doctorate graduation ceremony will take place in front of the UFS’s main building. During this event 12 honorary doctorates will be awarded to a diverse group of outstanding South Africans and international experts.

The honorary doctorates will be awarded to: Me Antjie Krog, Prof Jakes Gerwel, Mr Karel Schoeman, Dr Frederick van Zyl Slabbert, Prof Saleem Badat, Dr Khotso Mokhele, Prof Robert Bringle, Prof Leo Quayle, Prof Jack de Wet, Prof Kerneels Nel (postuum), Prof Boelie Wessels and Prof Jaap Steyn.

This group of honorary doctorates is the last in a total of 18 which will be honored during the UFS centenary year.

The next day, Friday 15 October 2004 , more than 100 centenary medals will be awarded to current staff, former staff and alumni.

Media release
Issued by: Lacea Loader
Media Representative
Tel: (051) 401-2584
Cell: 083 645 2454
E-mail: loaderl.stg@mail.uovs.ac.za
5 October 2004

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