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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

Oprah warms up chilly Bloemfontein
2011-06-24

 
Mr John Samuel (left), interim Director of the International Institute for Studies in Race, Reconciliation and Social Justice; Dr Winfrey, and Prof. Jonathan Jansen, Vice-Chancellor and Rector.
Photo: Rian Horn 

Transcription of speech

Photo gallery

Video clip

Dr Oprah Winfrey brought Bloemfontein a warm day in the middle of a bitter cold winter. Outside the Callie Human Centre of our university, people were shivering in temperatures below 10 degrees Celsius.

Inside, however, the audience was engulfed in the excitement and warmth of a very special occasion: media icon and philanthropist Dr Winfrey received an honorary degree in Education from our university. 

The graduation was probably the biggest ceremony of its kind in South Africa. The Callie Human was packed with more than 4 500 people who had jumped for the opportunity to attend one of the great milestones in the existence of our university. They had to brave long queues to obtain tickets and to get seated. However, this just added to the excitement of seeing Dr Winfrey in real life. 

The ceremony was like a huge reunion or festival. Some people had called in designers to dress them for the occasion, while others fetched their very best clothes from their wardrobes. People tweeted, sent SMS messages, phoned or brought their families with them. Cell phones and cameras captured the occasion.

The graduation ceremony was also an emotional moment for Dr Winfrey, who shed silent tears.

Her motivational talk afterwards was very inspiring. Dr Winfrey said that everybody can be successful. They just need to apply their minds to what they want.

“Never give up. You are not defined by your circumstances. There is hope. Have a vision and let that vision be bigger than yourself. Allow yourself to live in that space of yourself,” Dr Winfrey said.

About 100 volunteers from the univeristy community helped by among others showing guests to their seats, providing guests assistance with parking and taking care of general enquiries from the audience.

The university received messages of congratulations from all over for the arrangements and the professional way in which the ceremony was presented.
 

Media Release
25 June 2011
Issued by: Lacea Loader
Director: Strategic Communication
Tel: +27 51 401 2584
Cell: +27 83 645 2454
E-mail: news@ufs.ac.za


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