The importance of nutrient hot-spots in the conservation and management of large wild mammalian herbivores in semi-arid savannas

By C. C. Grant, M. Scholes. 2006

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Restoration of a megaherbivore: landscape‐level impacts of white rhinoceros in Kruger National Park, South Africa (2014, background): “To further reduce possible confounding effects, we placed all transects on and along the crests of catenas, especially to avoid measuring grassland heterogeneity created by typical catenal effects, for example, presence of sodic sites along footslopes (Grant & Scholes 2006).”
Water-removed spectra increase the retrieval accuracy when estimating savanna grass nitrogen and phosphorus concentrations (2011, background): “termite mounds, sodic sites, sites beneath large trees (Owen-Smith and Danckwerts 1997; Grant and Scholes 2006; Treydte et al. 2007).”
Savanna glade hotspots: Plant community development and synergy with large herbivores (2012, background): “…more than twenty times levels in the rest of the landscape (Reid and Ellis, 1995; Augustine, 2003), and in savannas, nutrient-enriched areas often are foci of foraging activity where herbivores can satisfy critical nutrient requirements (McNaughton, 1988; Augustine, 2004; Grant and Scholes, 2006).”