Latest News Archive

Please select Category, Year, and then Month to display items
Previous Archive
21 June 2021 | Story Dr Patricks Voua Otomo
Dr Patricks Voua Otomo
Dr Patricks Voua Otomo is the Head of the Ecotoxicology Research Laboratory and Subject Head: Zoology and Entomology in the Faculty of Natural and Agricultural Sciences at the University of the Free State (UFS).

The month of June is earmarked for the celebration of National Environment Month, with the South African government and captains of industry leading the way by stimulating awareness on environmental issues and challenging everyone to become agents for change. World Environment Day, the biggest annual event of the United Nations Environment Programme (UNEP), is commemorated on 5 June, with the aim of galvanising positive environmental action. The University of the Free State (UFS) – through researchers from the Afromontane Research Unit (ARU) housed on the Qwaqwa Campus of the UFS – is playing its part in the fight against pollution, and especially water pollution in the eastern Free State.

The ARU initiated a research project in 2021, focusing on the assessment of the quality of local natural water resources in order to foster sustainable development in Phuthaditjhaba, and because of the recurring challenges pertaining to water quality and quantity in the Maluti-a-Phofung (MAP) Local Municipality. For the first such project focusing exclusively on pollution issues in a select Afromontane region – led by Dr Patricks Voua Otomo, Head of the Ecotoxicology Research Laboratory and Subject Head: Zoology and Entomology in the Faculty of Natural and Agricultural Sciences – a vibrant team of ARU scientists and students set out to determine the ecotoxicological and bacteriological state of water resources in MAP. With the permission of MAP, ARU researchers and students were allowed access to municipal wastewater treatment plants in the towns of Phuthaditjhaba and Harrismith, and ethical clearance from the UFS permitted limited environmental sampling and laboratory testing using live organisms such as snails and earthworms.

Focusing on the quality of natural water bodies
In November 2016, Ms Portia Mosolloane (2016 honours student) presented the preliminary findings of the project at an ARU colloquium held in the Golden Gate Highlands National Park. Her work has drawn attention to potential localised incidents of terrestrial contamination linked to sewage sludge management in the region. Those early findings were published internationally, and in May 2018, Ms Mosolloane went on to present her research at the 28th Annual Meeting of the Society of Environmental Toxicology and Chemistry (SETAC) in Rome, Italy.

In an attempt to mitigate sewage sludge-induced soil pollution, Ms Nomasonto Dlamini (master’s student) conducted research from 2018 on the potential beneficial effects of biochar amendment on the sewage sludge as an alternative management strategy. The results revealed that mixing biochar with sewage sludge prior to open-air storage would significantly decrease the toxic effects on terrestrial organisms such as oligochaetes. This work is still ongoing, although in May 2019, Ms Dlamini presented some of her findings at the Fifth World Congress on Risk Development and Resilience in Cape Town.

From the start, an important focus of our research has been the quality of natural water bodies in our region and its ability to support life. In 2020, Ms Mosolloane graduated cum laude with a Master of Science, having successfully established that, particularly along polluted and degraded sections of our rivers, the diversity of riparian invertebrate was heavily skewed and reduced. Her work on water quality has suggested that our failing wastewater treatment plants (due to ageing, capacity overload, and poor management) are contributing to the release of pathogenic bacteria such as Escherichia coli in the local rivers.

Mr Mbuyiselwa Moloi (a 2020 Master of Science graduate from the project) found through his research that wastewater treatment plants only contribute partially to river pollution in the region. His work, focusing on metal pollution in the Elands River (Phuthaditjhaba) and the Wilge River (Harrismith), established that although there is evidence of metal enrichment after wastewater processing by the treatment plants, some of the metal in the rivers emanates from the communities that, due to the lack of adequate refuse removal services, often dispose of their household waste directly into the rivers. Mr Moloi’s research was presented at the 2019 International Mountain Conference in Innsbruck, Austria, and was subsequently published in the International Journal of Hygiene and Environmental Health in 2020.

Ms Matseleng Semase (a 2020 Master of Science graduate from the project) worked on establishing whether the quality of the effluent released from the local wastewater treatment plants was conducive to supporting aquatic life. Using a snail species in the laboratory, she found that although of substandard quality, the effluent released from the treatment plants did not hamper growth and reproduction in her test organism. This pointed to the fact that corrective measures could still be taken to reduce the harmful impact of wastewater management processes on river health in the eastern Free State. Ms Semase’s work was presented at the 9th SETAC Africa Biennial Conference held in Cape Town in 2019, and her findings were submitted for publication in Environmental Science and Pollution Research.

First such project focusing exclusively on pollution issues
Some of our findings infused new life into the project, steering our work in unexpected directions. Early in the project we came to realise that there was a paucity of research focusing on pollution in mountain areas in South Africa and in Africa at large. Mr Hendrik Stander joined the project in 2019 as a master’s student. His task was to work on the development of fast and reliable behavioural testing protocols that could be used in the project. His preliminary findings were presented at the 40th annual meeting of SETAC North America in Toronto, Canada, and were subsequently published in the Bulletin of Environmental Contamination and Toxicology. Ms Sanele Mnkandla, who joined the project as a PhD candidate in 2020, is working on proposing water remediation strategies that could help improve the state of the rivers in the region. She recently submitted a review article on the topic for publication in Environmental Evidence. Another review article in the making and focusing on literature evidence of mountain pollution in Africa, is the brainchild of Dr Ozekeke Ogbeide, a collaborator from the University of Benin (Nigeria), who co-supervised several students and co-authored some of the scientific publications from the project.

This ongoing research, under the auspices of the ARU, is the first such project focusing exclusively on pollution issues in a select Afromontane region. With Ms Dlamini, Mr Stander, and Ms Mnkandla still actively involved in the project, we look forward to finding more answers to the environmental challenges of the eastern Free State and to working together with MAP towards environmental sustainability in the region.

News Archive

Third NRF A-rated researcher for UFS
2017-02-03

Description: Prof Jansen, NRF A-rated researcher  Tags: Prof Jansen, NRF A-rated researcher

Prof Jonathan Jansen, senior researcher at the UFS
Faculty of Education, recently joined two other
UFS researchers as NRF A-rated researchers.
They from the left are: Profs Melanie Walker, Maxim Finkelstein
and Jansen.
Photo: Charl Devenish

The University of the Free State received its third A-rating from the National Research Foundation (NRF) when Prof Jonathan Jansen was awarded an A2-rating.

Prof Jansen is a Senior Research Professor in Education secondary research field and field of specialisation: Development education and Curriculum theory at the UFS Faculty of Education and Fellow at the Center for Advanced Studies at Stanford University in the US.

Prof Jansen’s rating follows P-rating
Prof Jansen’s rating also adds to the recent P-rating awarded to Dr Daniel Spence, a postdoctoral Research Fellow at the International Studies Group. In receiving the rating, the UFS became the only university in South Africa with a P-rated researcher in History.

P-ratings are given to young researchers, usually under the age of 35, who have the potential to become leaders in their field. Researchers in this group are recognised by all, or the overwhelming majority of, reviewers, as having demonstrated the potential to become future international leaders. 

“Obtaining another A-rating is indicative of the university’s drive to enhance its research profile – nationally as well as internationally. I am thankful to our scholars for their commitment to the rating process and look forward to receive the results of this year’s ratings,” said Prof Corli Witthuhn, Vice-Rector: Research at the UFS.   

Total number of researchers increased
The UFS has also upped the ante with regards to its total number of NRF-rated researchers during the latest rating and evaluation with an increase from 127 in 2015 to 149 rated researchers in 2016.

In 2015, Prof Maxim Finkelstein from the Department of Mathematical Statistics and Actuarial Science, and Prof Melanie Walker, Senior Research Professor and Director of the Centre for Research on Higher Education and Development, were given A-ratings.

Prof Finkelstein’s rating then made him the only A-rated researcher in ‘Probability and Statistics’ regarding Mathematical Sciences in the country. Prof Walker was evaluated and graded in the division for Research, Innovation Support and Advancement.

According to the NRF, A-rated researchers are “unequivocally recognised by their peers as leading international scholars in their field for the high quality and impact of their recent research outputs”.

 

The rating of individuals is based primarily on the quality and impact of their research over the past eight years.

 

We use cookies to make interactions with our websites and services easy and meaningful. To better understand how they are used, read more about the UFS cookie policy. By continuing to use this site you are giving us your consent to do this.

Accept