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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

Advocate Thuli Madonsela leads Law Symposium on corruption
2014-06-05

 

Advocate Thuli Madonsela speaking at the Law Symposium on corruption.

The Faculty of Law, Centre of Business Law held a symposium on corruption in the public sector. The symposium took place on 5 June 2014 in the CR Swart Auditorium on the Bloemfontein Campus.

In her keynote address, Public Protector Adv Thuli Madonsela highlighted the government’s efforts to curb the high rate of corruption prevalent in the South African public sector. She also pointed out the effect it has had on service delivery, especially in municipalities and key government departments.

This highly-anticipated event drew a large group consisting of members of the public, the judiciary, government, non-governmental organisations, as well as the business and academic sector.

Responding to questions from the floor, Adv Madonsela spoke of corruption as an on-going problem that should be tackled in a collective effort by government officials and the public alike. “Whistleblowers are our main hope in fighting corruption … The Protected Disclosures Act protects them … it is also management’s responsibility to protect whistleblowers,” she said.

The symposium featured several well-respected names, including:
• Prof Jonathan Jansen, Vice-Chancellor and Rector;
• Honourable Justice I van der Merwe, Judge of the Free State High Court and Chairman of the Council of the UFS;
• Honourable Justice FDJ Brand, Judge of the Supreme Court of Appeal; and
• Prof JJ Henning, Acting Dean of the Faculty of Law.

Other high-ranking legal professionals from the office of the Director of Public Prosecutions, PriceWaterhouseCoopers, the Free State High Court and the Institute of Security Studies attended the event.


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