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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

Kesa, UFS cross-country teams shine at USSA
2016-10-24

Description: ’Manapo UFS cross-country Tags: UFS cross-country

The Kovsies 8 km women’s team
was crowned as champions at
the USSA cross-country meeting
in Richards Bay. From the left are
Marne Mentz, Lizandre Mulder,
and Kesa Molotsane.
Photo: Sarina Cronje

The University of the Free State (UFS) not only boasts a South African women’s cross-country champion, one of its women’s teams is also the best university team in the country.
The Kovsies 8 km women’s team was crowned the winners at the University Sports SA cross-country event in Richards Bay, while the 10 km men’s team finished second.

Kovsies men take second place

The women’s team consisted of Kesa Molotsane, Marne Mentz, and Lizandre Mulder. They respectively came in first, third and fifth at the USSA meeting held at the University of Zululand on 30 September and 1 October 2016. In the women’s competition, the times of the first three competitors are used to determine the team placements.

The UFS 4 km women’s team finished in 5th place.

The successful UFS 10 km men’s team consisted of four members from the Qwaqwa Campus – Lesedi Radebe (4th), Lebohang Miya (8th), Moorosi Semase (10th), and Lindobuhle Miya (11th). In the men’s competition, the times of the first four men in each team are taken into account.

The Kovsies 4 km men’s team finished sixth.

Molotsane’s dream year continues

Molotsane, assistant officer at KovsieSport, is experiencing a dream year. On 10 September 2016 she was crowned as national cross-country champion over 10 km when she represented the Free State in George. Mentz was third in George over 4 km.

Molotsane improved her own record in the 3 000 m at the Clover athletics meeting in Bloemfontein on 15 October 2016. Her time of 09:51.03 was much better than her previous record time of 10:03.97.

In the USSA road relay in Richards Bay on 1 October 2016, the Kovsies women’s team finished third in the 3 x 2 km relay. The men came fifth in the 4 x 4 km relay.

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