1. School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa
2. Agricultural Research Council – Animal Production (ARC-AP), Pietermaritzburg, South Africa
3. Centre for Water Resources Research, University of KwaZulu-Natal, Pietermaritzburg, South Africa
4. South African Environmental Observation Network (SAEON), Grasslands, Forests and Wetlands Node, Pietermaritzburg, South Africa