Fig. 2. Location of research areas: Area 1 Mantsie, Lehurutshe District, NorthWest Province, South Africa; Area 2 Khomele, Dzanani District, Limpopo Province, South Africa; Area 3 Mcitsheni, uThukela District, KwaZulu Natal Province, South Africa; Area 4 Nwadjahane, Manjacaze District, Gaza Province, Mozambique.