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05 June 2018 Photo Supplied
Digging up truth South Africa was way different to what you thought
Archaeological excavations in the Wonderwerk Cave, north of Kuruman in the Northern Cape.

Research fellow Dr Lloyd Rossouw from the Department of Plant Sciences at the University of the Free State (UFS) recently published an article in the Nature Ecology and Evolution journal with Dr Michaela Ecker from the University of Toronto as lead author, and Dr James Brink, research fellow at the UFS Centre for Environmental Management. The findings described in “The palaeoecological context of the Oldowan-Acheulean in southern Africa” provides the first extensive paleoenvironmental sequence for the interior of southern Africa by applying a combination of methods for environmental reconstruction at Wonderwerk Cave, which have yielded multiple evidence of early human occupation dating back almost two million years ago.

Where water once was
The Wonderwerk Cave is found north of the Kuruman hills (situated in Northern Cape) a 140m long tube with a low ceiling. The surroundings are harsh. Semi-arid conditions allow for the survival of only hardy bushes, trees, and grasses. But during the Early Pleistocene, stepping out of the Wonderwerk Cave you would have been greeted by a completely different site, the researchers found. Using carbon and oxygen stable isotope analysis on the teeth of herbivores (Dr Ecker), fossil faunal abundance (Dr Brink), as well as the analysis of microscopic plant silica remains (phytoliths) excavated from fossil soils inside the cave (Dr Rossouw), the results show that ancient environments in the central interior of southern Africa were significantly wetter and housed a plant community unlike any other in the modern African savanna. 

What difference does it make?
While East African research shows increasing aridity and the spread of summer-rainfall grasslands more than a million years ago, the results from this study indicate an interesting twist. During the same period, shifts in rainfall seasonality allowed for alternating summer and winter-rainfall grass occurrences coupled with prolonged wetlands, that remained major components of Early Pleistocene (more or less the period between one and two million years ago) environments in the central interior of southern Africa. That means our human ancestors were also living and evolving in environments other than the generally accepted open, arid grassland model.

News Archive

Cultivating excellence and success through academics
2011-10-07

 
Unlocking potential. At the Golden Key South African Summit 2011 were, from the left: Dr Derek Swemmer, Registrar (UFS); Prof. Driekie Hay, Vice-Rector: Academic; Mr Ryk Neethling and Ms Charlene Gunter, Director: Golden Key International Honour Society, South Africa.
Photo: Phelekwa Mpono

More than 130 delegates are gathering for the Golden Key, South African Summit at the Bloemfontein Campus of the University of the Free State (UFS). Golden Key International Honour Society recognises academic excellence and uses knowledge to transform lives. It has 400 chapters in eight countries. Of South Africa’s 12 chapters, 11 were present at the summit.

Prof. Driekie Hay, Vice-Rector: Academic at the UFS, welcomed delegates from the respective chapters. She commended them for their perseverance and dedication to excel. “Your academic aspirations and commitment contribute to cultivating a culture of excellence. It will provide a better future for every South African citizen,” she said. Prof. Hay challenged delegates also to “act” by turning their knowledge into actions to advance not only themselves but also society. She also urged them to “discover” everything about themselves, their chosen disciplines, allies and oppositions. “Mostly, you must internalise the spirit of lifelong learning,” she said.

Mr Ryk Neethling, Olympic gold medallist and businessman, was the first keynote speaker. He took everyone through the steps that ultimately led to the moment of victory for him and his team. “We found a way to compete with heart and determination in the 2004 Olympic Games. We were prepared and we took everyone by surprise. “To achieve what one has set one’s mind to, we must dream big,” he said. “Play your part in the team and be confident. Remember that you are victors and not victims,” he urged. He further emphasised the importance of making one’s own luck and, most of all, never to give up.

Another speaker for the summit includes Ms Peggy-Sue Khumalo, former Miss South Africa. Dr Derek Swemmer, Registrar (UFS) will present a workshop on Strategic Action Planning.

This event is the first external lecture that is presented in the Metro’s found in the new Health Sciences Building on the Bloemfontein Campus of the UFS.
 

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