1. Institute for Soil, Climate and WaterAgricultural Research Council Pretoria South Africa
2. Department of Life and Consumer SciencesCollege of Agriculture and Environmental Science, University of South Africa (UNISA) Pretoria South Africa
3. Risks and Vulnerability Assessment CentreUniversity of Limpopo Sovenga South Africa
4. Unit for Environmental Sciences and ManagementNorth‐West University Potchefstroom South Africa