Discipline of Geography, School of Agricultural, Earth and Environmental Sciences,
University of KwaZulu-Natal, Pietermaritzburg, South Africa
Arid Land Research Center, Tottori University, Tottori, Japan
Copyright © 2014 Abdelmoneim A. Mohamed, Reiji Kimura et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.