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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

Moving towards creating a more accessible UFS for mobility-impaired students
2015-07-21


Centre for Universal Access and Disability Support’s logo for persons with mobility impairments.
Design: Karoo Republic

Hi, my name is Jackson, and I am a wheelchair user following an accident that left me paralysed.

We often take for granted the ability to navigate obstacles, and to move readily from place to place. Few people have to worry about mobility on campus, but for students with mobility impairments, it presents many challenges that few of us are aware of.

 

The biggest struggle for students with mobility impairments is often encountered in the lecture room/hall. Once they arrive at the class (often struggling to get there on time), their next challenge might be entering the classroom and finding a suitable place where they can sit comfortably. As it is, there are only a few loose tables in most lecture halls. Consequently, the students have to sit through the lecture taking notes and working with their laptops resting on their laps. Obviously, this is uncomfortable and not conducive to their learning process.

 

When students have limited hand function, the result is that they write more slowly and with difficulty. However, the UFS does offer assistance from scribes, adapted computer hardware/software, assistive devices, and/or modified furniture. Such adaptations can be arranged by the Centre for Universal Access and Disability Support (CUADS), which boasts an official test and examination venue where students with mobility impairments can proceed with their tests and exams if they prefer.

 

Students with Cerebral Palsy may experience difficulties with quick, sudden physical movements, and delayed processing of information. Stressful circumstances can result in their experiencing difficulty when having to write or process information quickly enough during test and examination situations. The Extra Time Panel, in collaboration with Student Counselling and Development, determines the time concession for those students with mobility impairments who have such needs.  

 

The importance of accessible parking spaces exclusively designated for wheelchair users not only involves such places being closer to a building entrance but also wide enough for a wheelchair user to get in and out of a vehicle safely.

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