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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.
Research grant holder first to be graded at UFS in NRF’s Thuthuka Programme
2007-11-17
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In the picture, from the left are: Ms Gudrun Schirge (National Research Foundation), Mr Nico Benson (Directorate Research Development at the UFS), Prof Heidi Hudson (Department of Political Science at the UFS) and Dr Annelize Venter (Co-ordinator of the Thuthuka Programme at the UFS)
Photo: Mangaliso Radebe
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Research grant holder first to be graded at UFS in NRF’s Thuthuka Programme
Prof. Heidi Hudson, Departmental Chairperson at the University of the Free State's (UFS) Department of Political Science, recently received a C1 grading from the National Research Foundation (NRF).
With this grading she became the first researcher and grant holder in the Thuthuka Programme for young researchers at the UFS to be graded by the NRF.
“The Thuthuka Programme is a capacity building initiative from the NRF which prepares young researchers for grading and provides them with a good grounding for research,” said Dr Annelize Venter, researcher at the UFS Research Development Directorate and co-ordinator of the Thuthuka Programme.
According to Dr Venter, the UFS currently has 44 researchers who receive funding from the Thuthuka Programme for their postgraduate studies. The results of possible entrants to the programme in 2008 are awaited.
”The UFS also received ten researchers additional to the current 69 who have a valid evaluation status. The results of an additional 11 applications are also awaited. Some of these are first applications,” said Dr Venter.
Over and above the grant holders in the Thuthuka Programme, any researcher can apply to be evaluated by the NRF’s Evaluation Centre. The evaluation status of a researcher serves as the norm determinator and the quality of research at a university is measured according to this.
Ms Gudrun Schirge from the NRF presented a workshop today at the UFS to researchers who wanted to apply for grading and evaluation.
Researchers who wished to apply for the re-evaluation of their current evaluation status also attended the workshop.
Ms Schirge was one of the founders of the evaluation system and has been a manager at the Evaluation Centre for the past 20 years. She will be retiring this year and will be involved with the centre on a part-time basis.
Media Release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za
16 November 2007
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