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26 April 2018 Photo Supplied
Pretzel-formed fossil of great evolutionary interest
Slab with holotype of Parapsammichnites pretzelifornic from the Urusis Formation, Namibia. Scale bar is 1cm.Picture was taken from Buatois et al., 2018.

The acclaimed scientific journal, Nature, recently published an article about a trace fossil in approximately 543-million-year-old rocks, which elucidates the evolution of the first animals that appeared on Earth and lived in the sea.  

Affiliated Professor in the Department of Geology at the University of the Free State (UFS) Prof Gerard Germs formed part of a team that conducted research with the aim of understanding how the evolution of the first multicellular animals came about and how the Cambrian explosion took place. Prof Germs is of great value to the team for his extended field geological knowledge.

An article which he co-authored was published in the Nature Scientific Reports. The title of the article is: “Sediment disturbance by Ediacaran bulldozers and the roots of the Cambrian explosion”. The international group of writers included authors from Canada, Spain and South Africa. 

Occurrence of the Cambrian explosion
Prof Germs explains the Cambrian explosion: “During the long (4.5-billion-year) history of the Earth, the first life originated and subsequently evolution of plants and animals took place from one-cellular organisms to multicellular vertebrate animals and seed plants. Approximately 573 million years ago the first multicellular animals appeared on the scene. Sometime afterwards, approximately 540 million years ago, a kind of explosion in the origin of many new animal species occurred. This explosion is known as the Cambrian explosion.”

The team studied Earth sediments which are somewhat older than the Cambrian explosion. Such sediments are approximately 573 to 541 million years old and form part of the Ediacaran (late Neoproterozoic) period.

“My discoveries of the past, of among others, the oldest animal with a carbonate skeleton (Cloudina) and of complex horizontal Cambrian-type “worm” tracks (treptichnids) in Ediacaran sediments of Namibia have demonstrated that the Cambrian explosion occurred more gradually than previously thought. This has recently been confirmed in the article that was published in the Nature Scientific Reports.”

Pretzeliformis bulldoze to search for food
According to the article there is evidence that   during the Ediacaran period   worm-like animals such as the Parasammichnites pretzeliformis were already so far developed that they, due to coelom development and size increase, for the first time in the history of the Earth, were able to disturb and bulldoze sediments.  In this way they were able to find a new food source in sea sediments. Bulldozing animals were previously thought to have originated only during and after the Cambrian explosion and not during the older Ediacaran.

“Another major aim of my cooperative research is to improve our knowledge of the geology of the Ediacaran to early Cambrian of South Africa and Namibia. We also intend to establish how the assembly of the supercontinent Gondwana took place. This improved knowledge can be of great future economic interest since large oil, gas and limestone sources occur in Ediacaran-age sediments outside South Africa”.

News Archive

Prof Frederick Fourie to step down as UFS rector
2008-09-08

“It is with sadness that I hereby announce my intention to step down as rector and vice-chancellor of the University of the Free State (UFS) in the 4th quarter of this year.

Obviously this decision has not been taken lightly. After careful consideration I am, however, convinced that this is as far as I can take the UFS as vice-chancellor and rector. This flows primarily from the exhausting times that I have experienced during the past nine years, first as vice-rector (since 1999) and then as rector (since 2003), in managing and implementing several complex strategic projects.

The challenges and complexities of continuous change management at a higher education institution, and specifically the demands of further dynamic development and transformation at the UFS, demand enormous amounts of emotional energy and drive. For me the stress due to, especially, the political divisions and tensions in the UFS Council and the broader university community during the past year has been extremely draining. The broader institution and its people also show signs of trauma.

I think it is time for new and fresh leadership, especially in the light of the transformation challenges of the UFS.

I have thus decided to step down in the interest of transformation and the further dynamic development of the UFS.

Having been on sabbatical leave since May, I will not return to take up my post. I will remain on leave until my official date of retirement from office. (The exact date must still be determined.)

I am grateful for the opportunity to have been at the helm of the UFS and to help the institution cross several bridges. During the past nine years I have been privileged to lead large strategic projects together with many dedicated and talented UFS colleagues. It has been a wonderful experience of thinking and working together in order to elevate the functioning of the University to new levels in several key areas.

One of the most important projects was the financial turnaround strategy of 2000-2005, which took the UFS from a financial crisis to a situation where currently it annually has almost R100 million of discretionary funding available to spend on strategic projects, and where staff remuneration and promotion opportunities have increased dramatically since 2000. In this period the UFS has also grown from approximately 10 000 students to more than 27 000 in 2008.

A second was the strategy to invest strongly in the academic core and notably research, research capacity and research apparatus. Since 2003 research outputs have increased by approximately 50% - a significant accomplishment of our researchers and faculties. In conjunction with this, the launch of the six strategic academic clusters (focus areas) should create the basis for the continued growth in the national and international stature of the UFS in future. The development of the national leadership role of the UFS with regard to community service also was a special and successful project.

A third large strategic project was the progress with regard to diversity, the balanced multilingualism policy in the academe as well as the administration, the employment equity plan, the UFS transformation plan and especially the institutional charter – which could lay the foundation for a university where one and all can experience a true sense of belonging amidst diversity. These have been important steps that we can feel proud of (although much work obviously remains with regard to non-racialism and also non-sexism).

As far as residences are concerned, it was historically significant that this time, in contrast to 1997/8, the UFS succeeded in crossing the bridge of diversity and integration in residences – with due regard to the difficulties we faced. Hopefully this will considerably ease the task of my successor and her/his management team in managing diversity and in pursuing best practice transformation.

A fourth large project was the large-scale upgrading and development of infrastructure, academic buildings and facilities as well as support service facilities, student facilities and pedestrian walkways. The objective was a campus of the highest quality and aesthetics to effect a lasting improvement in their work- and living environment for staff and students. Indeed, the UFS Main Campus today is seen as an example of sensitive and high quality campus planning.

Other initiatives which haven’t borne fruit yet are, for example, those with regard to entrepreneurial activities, sport development and sport business development, and the possible establishment of an engineering programme or faculty at the UFS.

On the whole the most important thing for me has been the progress in establishing a deep commitment to quality and equity/fairness and in boosting the national and international profile of the UFS as a high quality progressive university. Of course, justice, equity and quality intrinsically are challenges which require daily dedication to make it an ingrained habit.

I wish to thank all those people with whom I could work during the past years in tackling large and complex challenges with mutual loyalty, shared wisdom and effort – from the Financial Turnaround Team to the Exco, the Executive Management, the Faculties, the Senate, support service divisions, the University Council and several committees and task teams”.

Frederick C.v.N. Fourie
Rector and Vice-Chancellor
University of the Free State

Prof Frederick Fourie has been with the UFS since 1976. After obtaining a PhD in Economics from Harvard he was appointed professor at the age of 29 in 1982, head of the Department of Economics in 1992, Distinguished Professor in 1998, Dean of the Faculty of Economic and Management Sciences in 1997, Vice-rector: Academic in 1999 and vice-chancellor in 2003.

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  
8 September 2008
 

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