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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

UFS welcomes Constitutional Court’s ruling on its Language Policy
2017-12-29



The executive management of the University of the Free State (UFS) welcomes today’s judgement by the Constitutional Court in favour of the university’s Language Policy. The judgement follows an appeal lodged by AfriForum against the judgement and order delivered by the Supreme Court of Appeal (SCA) on the implementation of the UFS Language Policy on 28 March 2017. 
 
In a majority ruling, Chief Justice Mogoeng Mogoeng denied AfriForum’s application for leave to appeal the SCA’s ruling, and said the UFS Council’s approval of the Language Policy was lawful and constitutionally valid. The court found that the adoption of the Language Policy was neither inconsistent with the provisions of the Constitution, nor did it violate the Constitutional rights of any students and/or staff members of the UFS.
 
Today’s landmark judgement is not only paving the way for the UFS to continue with the implementation plan for its Language Policy as approved by the UFS Council on 11 March 2016, but it is also an indication of the value which the university’s decision to change its Language Policy to English as primary medium of instruction has on higher education in South Africa.
 
“The judgement by the Constitutional Court is not a victory against Afrikaans as language. The UFS will continue to develop Afrikaans as an academic language. A key feature of the UFS Language Policy is flexibility and the commitment to strive for a truly multilingual environment. Today’s judgement allows the UFS to proceed with the implementation of its progressive approach to a language-rich environment that is committed to multilingualism,” says Prof Francis Petersen, Rector and Vice-Chancellor of the UFS.
 
According to Prof Petersen, the UFS is dedicated to the commitments in the Language Policy and, in particular, to make sure that language development is made available to students in order to ensure their success as well as greater levels of academic literacy – especially in English. This includes contributing to the development of Sesotho and isiZulu as higher-education languages within the context of the needs of the different UFS campuses.
 
“We can now continue to ensure that language is not used or perceived as a tool for the social exclusion of staff and/or students on any of the three campuses, and continue to promote a pragmatic learning and administrative environment committed to and accommodative to linguistic diversity within the regional, national, and international environments in which the UFS operates,” says Prof Petersen.
 
The UFS is the first university in South Africa appearing before the Constitutional Court regarding its Language Policy. 
 
During 2017, the Faculties of Health Sciences, the Humanities, and Law started with the implementation of the new Language Policy at first-year level. This includes the presentation of tutorials in Afrikaans. The remaining faculties will start implementing the policy as from 2018.

Released by:
Lacea Loader (Director: Communication and Brand Management)
Telephone: +27 51 401 2584 | +27 83 645 2454
Email: news@ufs.ac.za | loaderl@ufs.ac.za
Fax: +27 51 444 6393

Related articles:
UFS welcomes unanimous judgement about its Language Policy in the Supreme Court of Appeal (28 March 2017)
Judgement in the Supreme Court of Appeal about UFS Language Policy (17 November 2016)
Implications of new Language Policy for first-year students in 2017 (17 October 2016)
UFS to proceed with appealing to Supreme Court of Appeal regarding new Language Policy (29 September 2016)
UFS to lodge application to appeal judgment about new Language Policy (22 July 2016)
High Court ruling about new UFS Language Policy (21 July 2016)
UFS Council approves a new Language Policy (11 March 2016)

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