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22 July 2025 | Story Nontobeko Nxumalo | Photo Supplied
Mandela Day
The DiMTEC team marked Mandela Day by planting indigenous trees on campus, promoting sustainability and community resilience through nature-based solutions.

The University of the Free State’s (UFS) Centre for Disaster Management Training and Education Centre (DiMTEC) commemorated Nelson Mandela International Day on 18 July by planting trees that help embed nature-based solutions at the heart of disaster risk reduction and climate change adaptation.

“It’s a simple act, yet deeply symbolic – a commitment to sustainability, climate resilience, and future generations,” said Dr Tlou Raphela-Masuku, a Senior Lecturer at DiMTEC. “Nature-based solutions, such as planting indigenous trees, are not just theoretical strategies; they are practical tools to reduce disaster risk, restore ecosystems, and build community resilience.” 

One of the trees planted, the indigenous, resilient Wild Olive (Olea europaea subsp. africana), known locally as Mohlware, embodies the drive to place nature-based solutions at the forefront of disaster risk reduction. “This tree is drought-tolerant and well-adapted to Bloemfontein’s semi-arid climate,” Dr Raphela-Masuku explained. “It stabilises soil, prevents erosion, supports biodiversity, and cools urban spaces. Its thick canopy shelters birds and small mammals, while its deep roots nourish and protect the earth. In a warming world, every Wild Olive planted is a small act of resistance against climate change.” 

 

Collaborative programme

Dr Raphela-Masuku said the tree-planting programme, a collaboration with UFS Protection Services and University Estates, ties directly into the principles the centre teaches in its Master's of Disaster Management module Ecosystem-Based Disaster Risk Reduction (ECO-DRR). 

“From the viewpoint of the African Union’s Science and Technology Advisory Group, it is befitting that as part of the work dedicated to disaster risk reduction initiatives in the African continent, this day is a reminder that we promote community service, resilience and social justice in the ‘Africa we want’. Furthermore, Mandela Day activities align with the Sendai Framework for Disaster Risk Reduction (SFDRR)’s priorities of understanding risks and strengthening disaster governance at all levels,” remarked Prof Alice Ncube, an Associate Professor at DiMTEC.

She added that, “In a city like Bloemfontein, which is not exempt from drought accelerating frequently and temperatures rising yearly, choosing to plant climate-resilient, indigenous species isn’t merely wise, it’s necessary. Trees like the Wild Olive don’t just provide shade and beauty; they help cool urban environments, support biodiversity, and protect our university community from floods and storms. They represent a forward-thinking investment in a sustainable, climate-adapted future. Mandela Day reminds us that service should be continuous, not confined to a single day. A tree planted today will outlive us, offering shade, shelter, and hope to those who come after. As Mandela himself said, ‘The true meaning of life is to plant trees under whose shade you do not expect to sit.’”

 

Commitment to change

Mandela Day also fits in with the UFS’ Vision 130 strategic intent. It is a day that reminds us that everyone has the power to make a difference. In the spirit of Madiba’s legacy, we can commit to fostering social justice, human dignity, and sustainable development through academic excellence and meaningful community engagement. In the face of climate change, biodiversity loss, and environmental degradation, each seed we plant becomes an act of defiance as well as an act of hope.

Prof Samuel Adelabu, Vice-Dean: Postgraduate and Research in the Faculty of Natural and Agricultural Sciences, applauded the team’s efforts. “We are planting trees that represent sustainability, things that can stay for long. I believe we are all practising sustainability in this initiative we are doing today to show that the university, as well as the faculties, are in line with sustainability.” 

News Archive

UFS alumnus receives PhD in Statistics from the University of Oxford
2016-06-03

Description: DW Bester  Tags: DW Bester

In May of this year, DW Bester obtained
a DPhil in Statistics at the University of
Oxford.
Photo: Supplied

On 14 May this year, Dr DW Bester received a DPhil in Statistics from the University of Oxford. The entire ceremony, which was held in the Sheldonian Theatre in Oxford, was conducted in Latin, as has been the case for the past 800 years.

Dr Bester completed his undergraduate studies and his honours degree at the University of the Free State (UFS). “At first, I was only planning to study for a master’s degree, but was privileged to get an opportunity to do a PhD as well. I didn’t think twice!” he says.

Studies at the University of Oxford


Universities in England do not require a master’s degree for PhD studies. With the help of Prof Max Finkelstein from the UFS Department of Mathematical Statistics and Actuarial Science, Dr Bester registered for the DPhil programme in Statistics directly after his honours studies.

“The title of my thesis was: Joint survival models: A Bayesian investigation of longitudinal volatility. It dealt with a problem in the medical field to determine the cause of stroke risk: is it the absolute level of blood pressure, or the volatility thereof? The analysis of this question led to interesting models which needed advanced application techniques. I had to study these techniques and write programmes for their application.

Although Dr Bester is working currently as the technical head of a company that calculates insurance for power stations, satellites, rockets, and cyber risks, he would like to continue working with his Oxford supervisor in future to make the techniques they have developed more accessible for researchers outside of the field of statistics.
 
“Studying at Oxford requires hard work, perseverance, and a lot of luck. Luck plays a big role, since there are no guarantees that hard work will ensure you a spot in one of the top universities.

Regarding his studies at Oxford, Dr Bester thinks back on his exposure to the GNU/Linux operating system, and free software. “I have seen how valuable this is for analyses in practice. I also had the privilege of meeting the father of free software, Richard Stallman,” Dr Bester says.

2011 Rhodes Scholar

He was elected as Rhodes Scholar in 2011. According to Dr Bester, who has been interested in Mathematics since high school, the Rhodes scholarship was something of a fluke. He applied for the Rhodes scholarship on the recommendation of Prof Robert Schall of the Department of Mathematical Statistics and Actuarial Science.

Role of the UFS in his successes


In addition to the continued support from the team of passionate professors and lecturers at the UFS, the actuarial degree at the UFS is fraught with statistics. Emphasis is also placed on Bayesian statistics. This was crucial to his studies at Oxford. According to Dr Bester, this topic is emphasised strongly in the international statistics community.

Dr Bester regards the work done by two of his lecturers, Michael von Maltitz and Sean van der Merwe, among his highlights at the UFS. Since our first year, they have created an atmosphere of camaraderie among the students. “I think this contributed to the success of everybody. They also make an effort to present topics outside of the syllabus regularly,” says Bester.

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