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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

Graduates should use knowledge to ‘re-dream society’
2016-09-19

Description: Spring Graduation 2017 Tags: Spring Graduation 2017

Dr Molapo Qhobela, CEO of the National Research
Foundation was the guest speaker at the
2016 Spring Graduation ceremonies on the
UFS Bloemfontein Campus.
Photo: Johan Roux

“The knowledge you receive, the skills and tools you have acquired, whether they are tools of time management, tenacity or brilliance, are what we as this emerging new society need to re-dream for the type of society we would like see in this country.”

These were the inspiring words of guest speaker Dr Molapo Qhobela to graduates of the University of the Free State (UFS) at the Spring Graduation ceremonies on 15 September 2016 in the Callie Human Centre on the Bloemfontein Campus. Dr Qhobela is the Chief Executive Officer of the National Research Foundation.

A total of 442 degrees, diplomas and certificates were conferred on graduates from six UFS faculties, namely the Faculties of Law, Humanities, Education, Health Sciences, Economic and Management Sciences and Natural and Agricultural Sciences.

Joyous atmosphere befitting a spring ceremony

The spirit at the spring ceremonies was truly inspiring, joyous and heart-warming. The jubilation from the audience as the procession entered the hall demonstrated the exhilaration of graduates and their families. The sense of accomplishment and pride reverberated as the graduates walked across the stage.

Graduates’ hard work and dedication applauded

 “You endured what you had to
endure and you enjoyed what
had to be enjoyed.”

“You have worked incredibly hard and the privilege to walk across the red carpet only goes to those who were prepared to do the work,” Dr Khotso Mokhele, Chancellor of the UFS said.

He applauded graduates for the many hours and sacrifices they had to endure, saying: “You endured what you had to endure and you enjoyed what had to be enjoyed.” Dr Mokhele also mentioned the amazing Gold medal win at the 2016 Olympic Games in Rio de Janeiro of UFS star athlete, Wayde van Niekerk.

Distinctions awarded by the UFS.

 

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