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20 December 2024 | Story Leonie Bolleurs | Photo Supplied
Yolandi Schoeman
Dr Yolandi Schoeman is redefining the future of ecological restoration with innovative solutions for both Earth and space.

Dr Yolandi Schoeman, a Senior Lecturer in Ecological Engineering in the Centre for Mineral Biogeochemistry at the University of the Free State (UFS) and the Ecological Engineering Institute of Africa, was fascinated by the synergy between engineering and the natural sciences from a young age.
 
She said that the potential within ecological engineering to regenerate ecosystems at all scales, from the microscopic to vast landscapes, really drew her in. “This field offers solutions not only for daily sustainability challenges but also for the threats to planetary health and human well-being. However, when I was starting out, ecological engineering wasn't recognised as a formal career path in South Africa, and studying it in the United States wasn't feasible for me at the time. So, I explored various educational paths in civil engineering and natural sciences, aiming to merge these disciplines in my projects and research. My ultimate goal has been to establish and develop the field of ecological engineering both in South Africa and across Africa,” she explained. 

Conventional and extreme ecological engineering

Dr Schoeman’s work in ecological engineering spans two main areas: conventional and extreme ecological engineering. On the conventional side, she says she is focusing on projects like designing constructed wetlands to naturally treat water, implementing urban greening initiatives to cool cities and manage stormwater, and regenerating various habitats to strengthen biodiversity. In terms of extreme ecological engineering, she focuses on developing innovative solutions for ecosystems that have been severely impacted by disasters like industrial accidents or natural calamities. 

Additionally, she is leading efforts in astro-ecological engineering, applying these principles to rehabilitate severely damaged terrestrial environments while exploring their potential for extraterrestrial applications, advancing both sustainability and ecological restoration.

There are two moments in her journey that Dr Schoeman recalled helped shape her career. One was being invited to participate in the 2006 Brightest Young Minds initiative, hosted by the University of Stellenbosch. She said that it was the first platform where she could really develop and share her ideas and vision in ecological engineering. “I contributed to a publication titled Engineering Engineering, which focused on integrating nature into every facet of development and operations. That experience validated my vision of combining engineering and natural systems.”

The other experience came during her studies in Executive Leadership at the Skolkovo School of Management in Moscow. “I was tasked with leading a multidisciplinary, international team that had to create a sustainability strategy for a major international iron, steel and vanadium company. The project pushed me to defend sustainability solutions that would alter the way this industrial giant operated. It was a deeply challenging process that changed my perception of true sustainability and what it means to deliver solutions that are both impactful and make business sense. That moment forced me to step out of the comfort zone of conventional sustainability and reorient my path toward pursuing solutions that seemed almost impossible, but necessary.”

Advancing ecological engineering across Africa

Two of the most important research projects she has been involved in include advancing ecological engineering across Africa and restoring and managing ecosystems that are considered beyond conventional repair. The first project involved establishing an international institution that spearheads various innovative research areas, including exploring floating treatment wetlands, different types of constructed wetlands, and technologies for smarter ecosystem management in urban and rural contexts. “This comprehensive project has substantially elevated the global understanding and application of ecological engineering, addressing a spectrum of sustainability challenges,” she said.

In the second project she worked with a team that tackled severely degraded environments like post-mining landscapes, heavily polluted industrial sites, and areas where ecosystem functionality has been drastically compromised. She also aims to develop the projects further and to collaborate with agencies like NASA to design life-support systems for future space habitats. “These systems are not limited to space applications, but are also designed to address complex planetary health issues in extreme environments on Earth, such as war zones, nuclear disaster areas, and sites affected by climatic catastrophes,” she remarked.

Dr Schoeman is also responsible for the "Astroecological Engineering System" (AES). “This system uniquely integrates terrestrial ecological engineering principles with astro-ecological technologies to deal with some of the most challenging environmental restoration projects on Earth and potentially in future space habitats,” she stated, adding that AES is specifically designed for restoring heavily degraded or contaminated ecosystems – situations where traditional restoration methods are inadequate. 

Pushing the boundaries of what’s possible 

She believes AES is a versatile tool for addressing some of the most daunting environmental challenges we currently face. This passion for handling seemingly insurmountable problems is what drives her work. 

“These are the issues that often push the boundaries of what's possible in ecological engineering. Each project that seems 'impossible' provides an opportunity not just to solve a problem, but to innovate and create methods that can be applied globally. It's about turning what was once thought unachievable into tangible, impactful realities that improve our environment and our relationship with the natural world. I truly believe that humanity holds the pen that can rewrite our future.”

About the future, she says that over the next 15 years she would like to see extreme ecological engineering, supported by astro-ecological insights, evolve into a foundational strategy in global environmental management. This approach will be key in scenarios where traditional restoration methods are inadequate. “My goal is to integrate these advanced, resilient techniques into mainstream disaster response and urban planning processes worldwide, preparing ecosystems and communities to withstand and adapt to future ecological stresses,” she said.

She also envisions a future where the principles of extreme and astro-ecological engineering are routinely taught in academic institutions and incorporated into public policy. “By raising awareness and building expertise on a global scale, I aim to cultivate a new generation of engineers – those who are not only equipped to take on severe environmental crises on Earth but are also prepared for the ecological challenges we may face in space. This ambitious vision drives a shift towards more resilient and adaptive management of Earth's ecosystems, ensuring they thrive amidst the challenges of the 21st century.”

News Archive

Boyden Observatory turns 120
2009-05-13

 

At the celebration of the 120th year of existence of the UFS's Boyden Observatory are, from the left: Prof. Herman van Schalkwyk, Dean: Faculty of Natural and Agricultural Sciences at the UFS, Prof. Driekie Hay, Vice-Rector: Academic Planning at the UFS, Mr Ian Heyns from AngloGold Ashanti and his wife, Cheryl, and Prof. François Retief, former rector of the UFS and patron of the Friends of Boyden.
Photo: Hannes Pieterse

The Boyden Observatory, one of the oldest observatories in the Southern Hemisphere and a prominent beacon in Bloemfontein, recently celebrated its 120th year of existence.

This milestone was celebrated by staff, students, other dignitaries of the University of the Free State (UFS) and special guests at the observatory last week.

“The observatory provides the Free State with a unique scientific, educational and tourist facility. No other city in South Africa, and few in the world, has a public observatory with telescopes the size and quality of those at Boyden,” said Prof. Herman van Schalkwyk, Dean of the Faculty of Natural and Agricultural Sciences at the UFS.

The observatory, boasting the third-largest optical telescope in South Africa, has a long and illustrious history. It was established on a temporary site on Mount Harvard near the small town of Chosica, Peru in 1889. Later it was moved to Arequipa in Peru where important astronomical observations were made from 1891 to 1926. “However, due to unstable weather patterns and observing conditions, it was decided to move the Boyden Station to another site somewhere else in the Southern Hemisphere, maybe South Africa,” said Prof. Van Schalkwyk.

South Africa's excellent climatic conditions were fairly well known and in 1927 the instruments were shipped and the Boyden Station was set up next to Maselspoort near Bloemfontein. Observations began in September 1927 and in 1933 the new site was officially completed, including the 60 inch (1.5 m) telescope, which was then the largest optical telescope in the Southern Hemisphere. This telescope was recently refurbished to a modern research instrument.

The observatory has various other telescopes and one of them, the 13" refractor telescope, which was sent to Arequipa in 1891 and later to Bloemfontein, is still in an excellent condition. Another important telescope is the Watcher Robotic Telescope of the University College Dublin, which conducts many successful observations of gamma ray bursts.

“In the first few decades of the twentieth century, the Boyden Observatory contributed considerably to our understanding of the secrets of the universe at large. The period luminosity relationship of the Cepheid variable stars was, for example, discovered from observations obtained at Boyden. This relationship is one of the cornerstones of modern astrophysics. It is currently used to make estimates of the size and age of the universe from observations of the Hubble Space Telescope,” said Prof. Van Schalkwyk.

“The Boyden Observatory contributed to the university’s astrophysics research group being able to produce the first M.Sc. degrees associated with the National Space Science Programme (NASSAP) in the country and the Boyden Science Centre plays an important role in science and technology awareness of learners, teachers and the general public,” said Prof. Van Schalkwyk.

The Boyden Science Centre has also formed strong relationships with various institutions, including the South African Agency for the Advancement of Science and Technology (SAASTA) and the Department of Science and Technology. The centre has already conducted many different projects for the Department of Science and Technology, including National Science Week projects, as well as National Astronomy Month projects. It also serves as one of the hosts of SAASTA’s annual Astronomy Quiz.

Media Release:
Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za
13 May 2009
 

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