1. Department of Geography and Planning Sciences; Adekunle Ajasin University; Akungba-Akoko Ondo State Nigeria
2. Department of Geography; University of Ibadan; Ibadan Nigeria
3. Rothamsted Research; Harpenden UK
4. Department of Geography, College of Life and Environmental Sciences; University of Exeter; UK
5. Department of Geography; Obafemi Awolowo University; Ile-Ife Nigeria