Personal profile
Research Interests
Environmental change in aquatic systems; Impacts of air pollution and climate change on the ecosystems of upland, arctic and alpine lakes and streams using hydrochemical models, stable isotope techniques and palaeolimnology; Multiple pressures on aquatic systems in Southern Africa, including acid mine drainage, eutrophication and acid deposition; Biogeochemical studies of nitrogen and carbon (deposition, soils, vegetation, waters, trace gases); Modelling critical loads for fresh waters; Aquatic monitoring of air pollution and climate change impacts; Nitrogen stable isotope tracer experiments and natural abundance studies; Acidification and eutrophication caused by nitrogen deposition; Acidification and palaeolimnology in remote mountain lakes.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 1 No Poverty -
SDG 2 Zero Hunger -
SDG 3 Good Health and Well-being -
SDG 6 Clean Water and Sanitation -
SDG 7 Affordable and Clean Energy -
SDG 8 Decent Work and Economic Growth -
SDG 9 Industry, Innovation, and Infrastructure -
SDG 11 Sustainable Cities and Communities -
SDG 12 Responsible Consumption and Production -
SDG 13 Climate Action -
SDG 14 Life Below Water -
SDG 15 Life on Land -
SDG 17 Partnerships for the Goals
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Applying the One Health Framework to Historical Mining Activities: Interconnected Ecosystem and Community Health Impacts of Acid Mine Drainage in the Witwatersrand
Grama, V., Ceylin Ecer, Z. & Curtis, C., Feb 2026, In: Water (Switzerland). 18, 4, 520.Research output: Contribution to journal › Article › peer-review
Open Access -
Ecological risks and recent inputs of banned and current-use pesticides in surface water and sediment from Malawi's tobacco-growing region
Cishibanji, E., Makwinja, R., Chirwa, E., Kondowe, B. N., Kamanula, J., Curtis, C. J., Muvundja, F. & Nkuba, B., 15 Apr 2026, In: Environmental Pollution. 395, 127772.Research output: Contribution to journal › Article › peer-review
1 Citation (Scopus) -
Rapidly declining wetland ecosystem service value indicated by land use/land cover changes in the Elephant Marsh, Malawi
Makwinja, R., Curtis, C. J. & Tesfamichael, S. G., Mar 2026, In: Ecological Indicators. 184, 114726.Research output: Contribution to journal › Article › peer-review
Open Access -
A Ramsar site catchment undergoing major land use/land cover change: Scenarios from elephant marsh, Malawi
Makwinja, R., Tesfamichael, S. G. & Curtis, C. J., Jan 2025, In: Remote Sensing Applications: Society and Environment. 37, 101508.Research output: Contribution to journal › Article › peer-review
Open Access1 Citation (Scopus) -
Does Malawi need a wetland policy to achieve the wise use principle of the ramsar convention?
Makwinja, R., Tesfamichael, S. G. & Curtis, C. J., 2 Apr 2025, Wetlands of Tropical and Subtropical Asia and Africa: Biodiversity, Livelihoods and Conservation. John Wiley and Sons Ltd, p. 297-316 20 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
1 Citation (Scopus)
Press/Media
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UJ scholars take their place among South Africa’s most distinguished scientists
Houreld, N., Curtis, C., Elburg, M., Fawole, O., Mpedi, L., Nomngongo, P., Winkler, H. & Sithole, N.
24/11/25
1 item of Media coverage
Press/Media