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05 June 2018
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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.
UFS sympathises with exchange students from Virginia Tech
2007-04-18
The University of the Free State (UFS) is shocked by the news of the tragedy that happened yesterday at Virginia Tech in the United States of America (USA).
Sixteen (16) students from Virginia Tech are currently studying at the Main Campus of the UFS in Bloemfontein on an exchange programme of six months.
The students are devastated because of the loss of their friends who were killed when an armed man opened fire on a hostel and classroom on the Blacksburg Campus of Virginia Tech, killing at least 33 people.
“The exchange programme between the UFS and Virginia Tech, which was implemented in 1998, stipulates that selected students from both institutions will study at the other institution for six months on an annual basis as part of the completion of their undergraduate studies. Approximately 120 students from both institutions have taken part in the exchange programme over the past couple of years,” said Prof. Izak Groenewald, co-ordinator of the agreement and Director of the UFS Centre for Sustainable Agriculture and Rural Development.
According to Prof. Groenewald no students from the UFS are currently studying at Virginia Tech. “The students from Virginia Tech who are currently studying on the Main Campus are all in their third-year in agriculture and the biological sciences. They will be staying here until the completion of the June examinations, when they will return to Virginia Tech,” said Prof. Groenewald.
According to the Rector and Vice-Chancellor, Prof. Frederick Fourie, the UFS has already made the necessary arrangements for the students to receive pastoral and psychological counselling. “We are doing everything in our power to support them and to bring them in touch with their friends on the Blacksburg Campus,” said Prof. Fourie.
According to Prof. Groenewald the American Ambassador in South Africa, Mr Eric M. Bost, will be talking telephonically to the students this afternoon (17 April 2007).
Media release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl@ufs.ac.za
17 April 2007