Herbivore size matters for productivity–richness relationships in African savannas. Journal of Ecology. 105:674–686.. 2017.
Loss of a large grazer impacts savanna grassland plant communities similarly in North America and South Africa. Oecologia. 175:293–303.. 2014.
Plant community response to loss of large herbivores differs between North American and South African savanna grasslands. Ecology. 95:808–816.. 2014.
Responses to fire differ between South African and North American grassland communities. Journal of Vegetation Science. 25:793–804.. 2014.