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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

Prof. Jansen is a "charmer", say students
2010-09-14

Prof. Jansen with Transport personnel.
Prof. Jansen with a B.Ed. student, Nokubonga Mdlalose.
Prof Jansen with Mr Samuel Mensah.
Prof Jansen with Sibusiso Macu, Sindiswa Masango, Mbali Phakathi and Masebabatso Mofokeng.
Prof. Jansen with Ms Mtombeni (in a white coat )

CHARMING, DOWN TO EARTH, STREEWISE … these are some of the words staff and students on the Qwaqwa Campus used to describe our Rector and Vice-Chancellor, Prof. Jonathan Jansen during his recent courtesy visit to the campus.

Prof. Jansen easily mingled and joined in conversations like a person who was acquainted to the groups of friends that he spoke to. Topics ranged from “girlfriends and boyfriends, how easy or difficult that course was, this and that party”, and of course serious academic talk.

“Prof. Jansen jokingly asked me about my white coat and whether I was a medical doctor. And when I answered that I am a cleaners’ supervisor, he became more interested in what I had to tell him,’ said Ms Dineo Mtombeni, a Maintenance Services supervisor.

“He continued to praise me and my colleagues for the cleanliness on campus and I must say he showed that he is a caring person, despite his position,” concluded Ms Mtombeni.

“I was happy to see Prof. Jansen chatting informally with students and staff. I asked him what he thought of our campus and he said he would know it better once he started teaching here once or twice a week,” said Mr Samuel Mensah, Economics lecturer.

“I then invited him to present some Economics classes and he roared with laughter about the difficulty of dealing with our micro and macro aspects of the subject and I asked him to keep it down as that would justify my students’ fear of the subject,” laughed Mr Mensah.

“He is a nice and friendly person,” said a 19-year-old Bachelor of  Commerce student Masebabatso Mofokeng.

“We shared a joke or two with him and it was one of our best experiences here on campus,” added friends, Sindiswa Masango (19) and Mbali Phakathi (19), who are also studying for their Bachelor of Commerce degrees.

A Bachelor of Education student, Nokubonga Mdlalose (20) described Prof. Jansen as a ‘charmer’.

“He is generous with his time, despite the high position that he occupies. He is approachable, friendly, charming, cool, calm and collected,” said Nokubonga.

“He asked me about my studies and I told him I wanted to make a difference in as far as teaching science is concerned. He was very interested in my Biology experiments and I am so glad I met him,” concluded Nokubonga.

– Thabo Kessah

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