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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

Former architecture student takes part in Archiprix in Moscow
2013-06-24

Jurie Swart in Moscow.
24 June 2013

 

“I am proud that I could honour the UFS’ name,” says Jurie Swart. He participated in the prestigious Archiprix in Moscow in May 2013.

Archiprix is an international competition where the world’s top architecture students are selected. Architecture departments, schools and faculties of 1 500 universities from 78 countries worldwide are invited to enter their top master’s students over two study years.

In 2012, Jurie Swart was honoured as regional winner of the Corobrik Architectural Student of the Year Award and also received an honourable mention in the 2012 International Graduate Architecture Projects.

After several months of careful evaluation by a panel of five experts, his thesis, Borderline – mediated landscape, A water research centre for the University of the Free State, Qwaqwa Campus, was nominated as one of the world’s 25 master’s projects to take part in the Archiprix in Moscow. His thesis was also on display at the Central House of Artists in Moscow for a couple of months.

The judges were Yuri Grigoryan (architect and director of the Moscow-based Project Meganom, as well as director of educational programmes at the Strelka Institute in Moscow); Susan Herrington (professor of architecture and landscape architecture at the University of British Columbia in Vancouver, Canada); Kristin Jarmund (architect and director of the Norwegian-based Kjark, an architectural house); Hubert Klumpner (architect, director of the Venezuela-based Urban-Think Tank, and professor of architecture and urban design at the ETH, Zürich ); and Lesley Lokko (architect, academic and author from the UK).

Jurie Swart was selected as the participants’ favourite. “From the top 25, seven winners were announced, and although I didn’t win, it is still an amazing achievement and I am proud to have honoured the university’s name,” he said.

During his visit to Moscow, he also attended a workshop with the rest of the nominated students. This project, with the theme Railroads, was an exercise to help solve Russia’s transport problems.

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