Browsing by UP Author "Webster, Andrea B."

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Assessment of trace element concentrations in sediment and vegetation of mesic and arid African savannahs as indicators of ecosystem health

Webster, Andrea B.; Rossouw, Riana; Javier Callealta, F.; Bennett, Nigel Charles; Ganswindt, Andre (Elsevier, 2021-03)

The savannah biome supports unique biodiversity and provides a multitude of ecosystem services. Defining background concentrations for trace elements in the environment is beneficial for the determination of nutrient ...
A non-invasive assessment of essential trace element utilization at different trophic levels in African wildlife

Webster, Andrea B.; Callealta, F.J.; Ganswindt, Andre; Bennett, Nigel Charles (Elsevier, 2021-09)

The complex relationships that exist between terrestrial mammals and their habitats make African ecosystems highly interactive environments. Anthropogenic activities including climate change have altered geochemical cycles, ...
Non-lethal assessment of potentially toxic elements across mammalian trophic levels in African savannahs

Webster, Andrea B.; Callealta, Javier F.; Bennett, Nigel Charles; Ganswindt, Andre (Frontiers Media S.A., 2022-01-27)

South Africa is one of the most diverse countries in the world but the increase in agricultural, industrial and technological development to meet the needs of the growing human population has led to increased amounts of ...

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