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05 June 2018
Photo Supplied
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.
Rag Queen and Mr Rag crowned at Kovsies
2015-02-18
Photos: Actual Image
The Rag Coronation Ball proved yet again to be the most glamorous night of the year on the Bloemfontein Campus of the University of the Free State (UFS) when the new Rag Queen and Mr Rag were announced on Friday 13 February 2015.
Carla de Bruyn and Wilmar van Niekerk, both second-year students at Kovsies, were crowned as Rag Queen and Mr Rag for 2015. De Bruyn was also named as the most photogenic female finalist.
With entertainment by V-Chord and Gerry Liberty, among other artists, as well as OFM’s Success Lekabe as the master of ceremonies, the evening kept all guests truly entertained and interested. Furthermore, the current Mrs South Africa, Sarah-Kate Scott, also graced the evening with her presence.
Overall Results
Mr Rag and Rag Queen 2015:
Wilmar van Niekerk and Carla de Bruyn
1st Prince and Princess:
Thomas Kolathu and Mia van Ransburg
2nd Prince and Princess:
Kabelo Mashabe and Chante Marais
Mr and Miss Personality:
Danzel Rademan and Chante Marais
Mr and Miss Photogenic:
Ludwig Döhne and Carla de Bruyn