Changes in land-use and their impact on erosion rates and overland flow generation in the Maghreb region - Coelho, C. ; Ferreira, A. ; Laouina, A. ; Boulet, A.-K. ; Chaker, M. ; Nafaa, R. ; Naciri, R. ; Regaya, K. ; Hamza, A. ; Carvalho, T. ; Keizer, J. (Revue des sciences de l'eau / Journal of Water Science, 2004)