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Nicole Richoux

Associate Professor of Zoology

PhD Memorial University of Newfoundland (2004)
MSc Memorial University of Newfoundland (1999)

Phone +27 [0]46 603 8524
Email n.richoux@ru.ac.za

Research interests

Trophic relationships in aquatic/terrestrial ecosystems.

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Teaching interests

Trophic Ecology

Marine Biology

Animal Diversity

FA Lab

Professional memberships

The Zoological Society of Southern Africa
Association for the Sciences of Limnology and Oceanography
The Society of Canadian Limnologists
The International Society of Limnologists
The South African Society of Aquatic Scientists
Western Indian Ocean Marine Science Association

Post-graduate supervision

Current students and Post Docs

Elelwani Nemanashi (M.Sc.): Invertebrate diversity in temporarily closed estuaries of the Eastern Cape, South Africa.

Zizonke Dlamini (M.Sc.): Invertebrate diversity associated with intertidal macroalgae along a South African rocky shore.

Makgotso Philipine Mcwabeni (M.Ed.): Exploring the usage and perceptions of artificial intelligence; generative models in teaching and learning academic literacies in zoological courses at a tertiary institution.

(Noluvuyo) Blossom Nhlangulela (M.Ed.): Exploring the academic literacy gaps in foundational phase tertiary biology courses.

Hendre van Rensburg (PhD). Investigating the role of a cryptogenic baitworm as a consumer and a resource in a protected clearwater estuary.

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Past students and Post Docs

 

Dr Frank Akamagwuna (PhD). Assessing the impacts of land use on freshwater macroinvertebrate communities using stable isotope ratio and trait-based approaches

Simphiwe Gininda (MSc) The effects of stream pollution on the primary producers and macroinvertebrates of the Bloukrans River.

Dr Elodie Heyns-Veale (PhD). A comparison of the trophic interactions between shallow and deep-water temperate reef communities within the Tsitsikamma National Park, South Africa.

Dr Jeffrey Hean, (PhD). Reciprocal aquatic/terestrial trophic subsidies through aquatic birds in a South African hydrological catchment.

Dr Sydney Moyo, (PhD). Trophic linkages in aquatic food webs: the role of insects.

Dr Lenin Chari, (PhD). Nutrient fluxes between water and aerial habitats: the roles of aerial predatory invertebrates in trophic cross-subsidisation.

Dr Emily Antonio. Post doctoral researcher. Trophodynamics of estuarine invertebrates.

Likho Sikutshwa (MSc). Trophic linkages in aquatic food webs: the role of amphibians.

Dr Tatendu Dalu (PhD). Plankton dynamics in a riverine/estuarine continuum

Dr Helene Masclaux (Post Doc). Laboratory studies of stable isotope fractionation in freshwater cladocerans.

Dr Leandro Bergamino (PhD). Effects of allochthonous organic matter input in an estuarine food web.

Dr Johannes Iitembu (PhD). Hake prey and predator relationships along the Namibian coastline.

Dr Laure Carassou (Post Doc). Fish as vectors of trophic subsidies in the Kowie Estuary.

David Hasek (MSc). Fatty acid profiles of subtidal benthic communities in pristine and human-exploited marine environments.

Rachel Ndhlovu (MSc). Variations in diet quality and lipid condition of suspension-feeders and grazers in the rocky intertidal zone.

Dr Louise Allan (PhD). Trophodynamics of benthic invertebrates at the Prince Edward Islands, Southern Ocean.

Ilke Vermeulen (MSc). Contribution of terrestrial-derived carbon to the diets of invertebrate suspension-feeders using fatty acid and stable isotope tracers.

Recent publications

For a comprehensive list see google scholar:

https://scholar.google.co.za/citations?user=jufdKwIAAAAJ&hl=en

Akamagwuna FC, Odume ON, Richoux NB (2024) Impact of agricultural land-use on functional feeding groups of Afrotropical Ephemeroptera, Plecoptera, and Trichoptera in the Kat River, Eastern South Africa. African Journal of Aquatic Science. 49(4) https://www.tandfonline.com/doi/abs/10.2989/16085914.2024.2394208

van Rensburg H, Richoux NB, Simon CA (2023) The trophic position and isotopic niche of a cryptogenic tube-building polychaete in a protected clear-water estuarine bay. 295:108549 Estuarine, Coastal and Shelf Science https://doi.org/10.1016/j.ecss.2023.108549

Akamagwuna FC, Odume ON, Richoux NB (2023) Agricultural disturbance affects taxonomic and functional diversity of Afrotropical macroinvertebrate composition in a South African River system. Environmental and Sustainability Indicators. 18:100251 https://doi.org/10.1016/j.indic.2023.100251

 Moyo S, Richoux NB (2022) Cross boundary fluxes: basal resource use by aquatic invertebrates matches fatty acid transfers from river to land. Limnologica 97:126035 https://doi.org/10.1016/j.limno.2022.126035

 Akamagwuna FC, Odume ON, Richoux NB (2022) Exploring the community structure of Afrotropical macroinvertebrate traits and ecological preferences along an agricultural pollution gradient in the Kat River, Eastern Cape, South Africa. Ecological Indicators. 135: 108570 https://doi.org/10.1016/j.ecolind.2022.108570

Dawson J, Pillay D, Perissinotto R, Richoux NB (2020) Fatty acid analyses provide insights into hippo defecation and its consequences for aquatic food webs. Scientific Reports 10:12039 https://doi.org/10.1038/s41598-020-68369-5

Chari LD, Richoux NB, Moyo S, Villet MH (2020) Dietary fatty acids of spiders reveal spatial and temporal variations in aquatic-terrestrial linkages. Food Webs 24:e00152  https://doi.org/10.1016/j.fooweb.2020.e00152

Heyns-Veale ER, Richoux NB, Bernard ATF, Götz A (2019) Protected nearshore shallow and deep subtidal rocky reef communities differ in their trophic diversity but not their nutritional condition. African Journal of Marine Science 41:103-114 https://doi.org/10.2989/1814232X.2019.1580614

Moyo S, Richoux NB (2018) The relative importance of autochthony along the longitudinal gradient of a small South African river influenced by agricultural activities. Food Webs 15:e00082 https://doi.org/10.1016/j.fooweb.2018.e00082

Richoux NB, Bergamino L, Moyo S, Dalu T (2018) Spatial and temporal variability in the nutritional quality of basal resources along a temperate river/estuary continuum. Organic Geochemistry 116:1-12 https://doi.org/10.1016/j.orggeochem.2017.11.009

Moyo S, Richoux NB (2018) Fatty acids reveal the importance of autochthonous non-vascular plant inputs to an austral river food web. Hydrobiologia 806:139-156 https://link.springer.com/article/10.1007/s10750-017-3347-4

Chari LD, Moyo S, Richoux NB (2018) Trophic ecology of adult male Odonata. I. Dietary niche metrics by foraging guild, species, body size and location. Journal of Ecological Entomology 43:1-14 http://onlinelibrary.wiley.com/doi/10.1111/een.12458/full

Chari LD, Moyo S, Richoux NB (2018) Trophic ecology of adult male Odonata. II. Dietary contributions of aquatic food sources. Journal of Ecological Entomology 43:15-27 http://onlinelibrary.wiley.com/doi/10.1111/een.12459/full

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Last Modified: Wed, 11 Dec 2024 11:59:19 SAST