Plant community response to loss of large herbivores differs between North American and South African savanna grasslands. Ecology. 95:808–816.. 2014.
Loss of a large grazer impacts savanna grassland plant communities similarly in North America and South Africa. Oecologia. 175:293–303.. 2014.
Habitat selection by large herbivores in a southern African savanna: the relative roles of bottom-up and top-down forces. Ecosphere. 4:art139.. 2013.
Fire frequency drives habitat selection by a diverse herbivore guild impacting top–down control of plant communities in an African savanna. Oikos.. 2016.