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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

One from UFS elected as Vice-President of ASAQS
2015-04-20

Stephen Ramabodu and Dr Marléne Campbell, Stephen’s promotor during his studies.
Photo: Leonie Bolleurs

The university is very proud of the election of Dr Stephan Ramabodu, from the Department of Quantity Surveying and Construction Management, as Vice-President and the chairman of the fees committee of the Association of South African Quantity Surveyors (ASAQS).

ASAQS aims to advance and promote the science and practice of quantity surveying, uphold the dignity of the quantity surveying profession, and promote the high standards of professional competence and integrity, among other things. Members of the ASAQS receive guidance and resources to succeed in quantity surveying, and to stay abreast of developments in the built environment today and in the future.

The ASAQS also provides an environment in which professionals may learn, grow, and work together to advance the techniques and science of quantity surveying. The ASAQS include quantity surveying professionals from every area of the construction industry, from private practice, government and quasi-government organisations to construction companies.

Stephan completed his quantity surveying (QS) degree as well as a master’s degree in Land and Property Management at the University of the Free State. In 2014, he completed his PhD, making him the first black South African PhD holder in the Department and one of the few QS PhD holders nationwide. 

In 2002, Stephen was appointed as a lecturer in the Department of Quantity Surveying and Construction Management under a programme called Grow Your Own Timber. He went to gain some commercial experience in Cape Town, where he worked for Davis Langdon. In 2008, he came back to the Free State, where he established Ramabodu & Associates Later that year, he returned to the university as a lecturer to complete all the remaining milestones of the Grow Your Own Timber programme.

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