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24 February 2023 | Story André Damons | Photo Supplied
Prof Paul Oberholster
Prof Paul Oberholster is Director of the Centre for Environmental Management at the University of the Free State (UFS) and winner of the NSTF-Water Research Commission (WRC) Award for his contribution to water resource management in South Africa in 2021.

This year has already seen severe natural disasters across the world, including devastating floods and forest fires, which serve as reminders of the planet's fragility and the importance of addressing the impacts of climate change. Nature-based solutions can play a critical role in mitigating climate change and offer a range of benefits to both people and the planet.

Prof Paul Oberholster – Director of the Centre for Environmental Management at the University of the Free State (UFS) – and his team played their part by researching nature-based solutions as an alternative to treating acid mine drainage (AMD) and domestic wastewater. Freshwater algae as a phycoremediation solution approach have the potential to help society and the environment in several ways.  

Prof Oberholster, winner of the NSTF-Water Research Commission (WRC) Award for his contribution to water resource management in South Africa in 2021, says nature-based solutions also play a vital role in realising the Kunming-Montreal Global Biodiversity Framework (GBF), which was adopted during the United Nations Biodiversity Conference (COP15) on 19 December 2022 in Montreal, Canada. The GBF sets global targets for 2030 that aim to effectively conserve and manage at least 30% of the world's lands, inland waters, coastal areas, and oceans, prioritise ecologically representative and well-connected systems of protected areas, restore at least 30% of degraded ecosystems, reduce the loss of areas of high biodiversity importance, cut global food waste in half, and significantly reduce over-consumption and waste generation.

What are nature-based solutions?

According to Prof Oberholster, nature-based solutions are approaches that utilise natural ecosystem processes, functions, and structures to address a variety of planetary health challenges, including climate change. These solutions involve protecting, restoring, regenerating, and sustainably managing natural ecosystems, such as forests, wetlands, and oceans, to enhance their ability to store carbon, regulate water flow, reinstate ecosystem services, and provide habitat for wildlife.

The significance of nature-based solutions regarding climate change adaptation is multifaceted. Firstly, natural ecosystems are essential for regulating the earth's climate, as they absorb and store carbon dioxide from the atmosphere, which helps to mitigate the effects of greenhouse gas emissions. 

Secondly, nature-based solutions can help to reduce the vulnerability of human communities to the impact of climate change, such as flooding, drought, and extreme weather events. Thirdly, nature-based solutions can provide multiple benefits beyond climate change adaptation, such as enhancing biodiversity, supporting sustainable livelihoods, and improving human health and well-being.

Prof Oberholster’s work

Algae-based treatment systems use bio-stimulation applications and natural processes to remove pollutants from water, which can be more cost-effective and produce less waste. Traditional treatment methods for AMD and domestic wastewater often rely on using chemicals or energy-intensive processes, which can be expensive and have negative environmental impacts. 

"Algae-based treatment systems can help mitigate the environmental impacts of AMD and domestic wastewater by removing pollutants such as heavy metals and reducing the acidity of the water. This can help restore the ecosystem and protect public health. Similarly, algae-based treatment systems can remove nutrients from domestic wastewater, reducing its environmental impact and preventing eutrophication, which can harm aquatic life," says Prof Oberholster.

Clean water and sanitation, forestry (plant life and agriculture), and climate change are part of the 17 Sustainable Development Goals (SDGs) making Prof Oberholster's research much more important. 


Meet a Limnologist, Paul Oberholster (NSTF-South32 Award Winner): 


Significance of nature-based solutions

According to him, there are several reasons why we should make more use of nature-based solutions. It can help reduce our carbon footprint and mitigate the impact of climate change. It can help protect the environment and promote biodiversity. By reducing waste and pollution, we can preserve natural resources and ecosystems and ensure they remain healthy and vibrant for future generations.

Dr Yolandi Schoeman , a postdoc student of Prof Oberholster, says the significance of nature-based solutions is multifaceted and includes environmental, social, and economic benefits. Nature-based solutions can play a critical role in mitigating climate change by sequestering carbon, enhancing carbon sinks, and reducing greenhouse gas emissions. By protecting and restoring natural ecosystems, we can enhance their ability to store carbon, which in turn helps to mitigate the effects of climate change.

"These solutions are also important for climate change adaptation. Nature-based solutions can also help to reduce the vulnerability of human communities to the impact of climate change, such as flooding, drought, and extreme weather events. By regenerating natural wetlands and floodplains, for example, we can help to reduce the risk of flooding, while reforestation can help to prevent soil erosion and landslides,'' says Dr Schoeman.

According to her, rewilding is another key reason why nature-based solutions are critical in the process of regenerating natural ecosystems. Through rewilding, habitat can be reinstated for a wide range of plant and animal species, lost species guilds can be restored by giving them space to thrive, population enhancement can be enabled, and key native species can be reintroduced as essential ecosystem builders. By protecting, regenerating, and restoring these ecosystems, we can help conserve biodiversity and prevent species loss, ultimately securing our own survival on earth.

UFS research initiative relating to nature-based solutions 

The UFS has a number of ongoing research initiatives and projects focused on nature-based technology solutions, including projects focused on climate adaptation in water resource management, establishing the water-climate-food-rewilding-land nexus as a planetary health ‘stock-take’ of ecosystems, reducing water usage, reinstating connections as coupled human and natural systems, enabling rewilding, and increasing water efficiency. 

The UFS is also involved in research that addresses water pollution through developing and implementing nature-based systems such as hybrid constructed wetlands, phytoremediation and phycoremediation, regenerating natural wetland systems and riparian buffer zones, bio-remediation, design of bio-intelligent systems, integrating grey and green infrastructure, and the use of big data and analytics in the design and management of nature-based solutions for water, according to Dr Schoeman. 

Ecological Engineering Institute of Africa

Prof Oberholster is leading a globally significant initiative that has recently been established at the UFS – the Ecological Engineering Institute of Africa (EEIA). The EEIA's managing members include scientists and engineers from across the world, including Egypt, Ghana, Greece, and the United States of America (USA). 

Prof William Mitsch, an original co-founder of the EEIA, is also a managing member. Prof Mitsch, regarded as the best wetland scientist in the world, is also known for his positions as director of the Everglades Wetland Research Park, United States National Ramsar committee chair (to name but a few), and is an ecological engineer who was the co-laureate of the 2004 Stockholm Water Prize

The EEIA intends to promote interdisciplinary collaboration in advancing the field of ecological engineering in Africa and globally, and to encourage research in this innovative field. The EEIA's goal is also to establish a fully functional research and training facility, to develop various undergraduate and postgraduate curricula, and to provide international accreditation to ecological engineers. 

Snow

Evaluating on-site performance of Africa’s first ecologically engineered wetland treating a cocktail of anthropogenically impacted water from the agricultural, mining, and industrial sectors in Emalahleni, South Africa.

Forest

Phycoremediation integrated with phytoremediation in an ecologically engineered wetland to treat mine and industrial-impacted water.

Mountains

Dr Yolandi Schoeman (UFS), together with Mr Pieter Nel from North West Parks Board. Her nexus research project covers an area of more than 20 000 km² in South Africa to develop a water-climate-food-rewilding-land nexus as a novel approach to determining the planetary health status quo and boundaries of ecosystems as coupled human-natural systems.

News Archive

Important message to UFS students on NSFAS and financial aid in general
2013-02-01

31 January 2013

Dear Students

There remains some uncertainty as well as misinformation within the student body concerning NSFAS and financial aid in general. This communication is intended to provide the facts on the state of student funding at the University of the Free State (UFS). I hope you find this information helpful and that it would guide you in your decisions as you wait to hear from, or hopefully receive funding from NSFAS or any other source.

  1. Every year the Department of Higher Education and Training (DHET) determines how much funding is available to fund students at all universities in South Africa; this is determined in part by the student numbers. Universities do not ask for, or determine the DHET allocation and are instructed by government that “NSFAS will ensure that the universities comply with the processes, procedures…for the allocated funds.”

  2. On 14 December 2012 the UFS received notice from the DHET that our total allocation would be R108,331,215.66 and that this amount must be apportioned in the following categories:
    General NSFAS Funding R85,174,275.07
    Teacher Training R2,291,940.59
    Disability Funding R1,265,000.00
    Final-Year Programme R19,600,000.00

  3. The UFS received 5 952 applications for NSFAS funding and with the available funding we can only finance up to 3 000 students on the Qwaqwa and Bloemfontein Campuses, provided that those students satisfy the stringent criteria, e.g. the so-called “national means test” determined for all universities in the country. If we funded more students that the available monies allow, the university would be held accountable by the NSFAS Board and the DHET and this would threaten future funding.

  4. Students apply in the previous year and therefore late applications are less likely to receive funding.

  5. Academic merit also counts, therefore students who fail one or more modules are less likely to receive new or ongoing support from NSFAS. The combination of academic standing and financial need are among the important criteria in decision-making on NSFAS funds.

  6. The UFS is one of the few universities with a very efficient record in using every cent made available to support poor students; we are proud of this record. No money is sent back to NSFAS, except small amounts not claimed by students in the disability category. The university is not allowed to shift funds between categories as described in point #2 above.

  7. Allocations are not based on campus, but need.

  8. The UFS sets aside an additional R35,7 million (in 2013) from within its own budget as bursaries so that we can accommodate as many students as possible. We spend every cent of this funding on students.

  9. The UFS also raises millions in bursaries from the private sector to support poor and promising students, though these funds are often linked to the industry granting the money, e.g. Investec for Accounting students and SASOL for Chemistry students. This recruitment of bursaries is a 24/7 commitment of the Marketing Office and the Faculties and Heads of Departments are also active in raising funds from government agencies, parastatals and the private sector for students in their units.

  10. After almost all our 2013 funds were allocated in favour of students, we calculated a shortfall in the NSFAS allocation of approximately R51 million. We are in the process of making an urgent submission to NSFAS to consider this additional allocation, but we cannot guarantee that this plea can or will be met.

Finally, I want all our students to know that the University of the Free State works very hard to raise every cent we can to provide poor students with funding for their studies. Many of my colleagues, including support staff, who do not earn very much, use some of their meagre personal resources to help a student with money for registration or clothing or food. In fact, the No Student Hungry Campaign that raises more than R600,000 by UFS volunteers annually, is another mechanism for trying to assist students who might have money for studies, but not much else.

We do this because we care, and because this is what The Human Project at Kovsies is all about.

I therefore ask for your patience as we continue our labour of raising the funds that enable every deserving student to continue their studies at the University of the Free State.

Should you have any further questions about NSFAS, please leave an email inquiry on choanet@ufs.ac.za or mallettca@ufs.ac.za and we will endeavour to provide you with the information you require.

Sincerely Yours

Jonathan D Jansen
Vice-Chancellor and Rector
University of the Free State

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