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05 June 2018
Photo Supplied
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 chair into Higher Education gets boost for five more years
2017-11-21
Prof Melanie Walker, Director of the Centre for Research on
Higher Education and Development (CRHED).
Photo: Supplied
The research Chair in Higher Education and Human Development within the Centre for Research on Higher Education and Development (CRHED) at the University of the Free State has secured funding for another five years. It follows a favourable evaluation by the South African Research Chairs Initiative (SARChI) of the research project at the UFS.
The Director of the Centre, Prof Melanie Walker, says she is delighted by the recognition of the Chair's hard work and significant productivity. “This new round of funding secures the centre and its activities for the next five years.”
Under the auspices of the Chair, research is conducted on higher education, inequalities and social justice, and how or if universities foster the human capabilities and aspirations of students. In essence, the research studies whether higher education makes a difference to the lives of students, their families and communities. Prof Walker says the Chair's projects look at issues of access, participation and transitions into work, as well as gender, race and social class. The research uses quantitative and qualitative methods and includes a strand of participatory research projects with students.
Prof Walker says through the Chair research project, and the Centre, researchers have developed extensive international links and produced international quality research and publications. “We foster high-quality PhD graduates as a new generation of social science academics.” The Chair has in the first five years produced 10 PhDs and four master’s students.
The project in the next five years will continue with its focus on higher education and human development research. Prof Walker says all the research efforts seek to contribute to more justice in society and universities and to contribute to debates, policy and practices in higher education and a scholarly knowledge base.
The Research Chairs Initiative aims to improve the research capacity at public universities to produce high-quality postgraduate students, research and innovative outputs. The assessors looked at features such as the number of students the research entity had trained and how many publications the research team had produced.