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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

UFS academic appointed as team doctor for SA Olympic Team
2012-03-22

 

Dr Holtzhausen’s appointment reflects well on the quality of exercise and sports medicine presented at the university.
20 March 2012

Dr Louis Holtzhausen, Head of the university’s Department of Sports and Exercise Medicine, has been selected by the South African Sports Confederation and Olympic Committee (Sascoc) as team doctor for the more than 300 athletes that will represent South Africa at this year’s Olympic Games in London.

“This is definitely one of the most important highlights of my career, in which I’ve worked with professional athletes and top sporting people,” says Dr Holtzhausen, a recognised South African academic in Sports Medicine.

“It is not only an honour to be appointed as team doctor for the South African Olympic Team. It is also a privilege to represent the UFS. The fact that Sascoc approached me reflects well on the quality of exercise and sports medicine that we present here at the university,” says Dr Holtzhausen.

Dr Holtzhausen says he has already worked with some of the athletes in the Olympic Team. These include members of the South African boxing team, the hockey team, as well as track and field athletes that have been preparing for the Olympic Games at the university’s High Performance Unit.

There is, however, hard work ahead for Dr Holtzhausen. His work will start before the team leaves for London in July. “I have to ensure that all the athletes are healthy and that everyone’s immunisation programmes are up to date. We also have to ensure that no athlete takes banned substances,” he says.

During the Games, Dr Holtzhausen will keep an eye on the optimal functioning of every athlete. “Anything that could hamper them medically will be sorted – whether it’s a broken ankle or a cold,” he says.

He will also see to it that medical services are available during the competition. Immediate medical assistance will be available, especially at high contact sports like boxing.

Dr Holtzhausen has also been team doctor for Team South Africa at the All Africa Games, the biggest sporting event in Africa. He was recently appointed as a member of the International Committee and Coordinator for Africa of the worldwide Exercise is Medicine project. This project proposes that exercise be used in the prevention of chronic disease in the general population, as well as in the treatment of people with existing chronic diseases. Dr Holtzhausen is also an honorary member of the South African Sports Medicine Association (SASMA). This membership is awarded to members of the medical and scientific community who make significant contributions to the advancement of sports medicine.

Dr Holtzhausen is a member of the Vice-Chancellor’s Prestige Scholars Programme.
The goal with the Prestige Scholars Programme is to select no more than 100 of the most promising young scholars (typically holding lecturer status) and to make substantial investments in their development towards the professoriate. A tailored, intensive programme of support has been designed which combines international placement working alongside leading scholars in the discipline of the prestige scholar, with intensive mentorship and support from within the university.

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