1. Institute of Geography and Sustainability and Interdisciplinary Centre for Mountain Research, University of Lausanne, Quartier Mouline, Géopolis, 1015 Lausanne, Switzerland
2. Instituto Nacional de Tecnología Agropecuaria (INTA), Modesta Victoria 4450, San Carlos de Bariloche 8400, Argentina
3. CGMED Laboratory, University of Tunis, 94, BD du 9 avril 1938, Tunis 1007, Tunisia
4. Faculty of Arts and Human Sciences, University of Sousse, Cité Erriadh, Sousse 4023, Tunisia
5. Faculty of Human and Social Sciences, University of Tunis, 4, BD du 9 avril 1938, Tunis 1007, Tunisia