Table of Contents 1. Introduction 1.1 Objectives and framework 1.2 General description of the study area 2. Methodology 2.1 The IAO approach 2.2 Materials and Geographical Information System 2.2.1 Materials 2.2.2 GIS 2.3 The Land Unit Map and its legend 2.3.1 Phases of work 2.3.2 Final land unit map and final legend 2.4 Satellite image processing 2.4.1 Landsat image processing 2.4.2 NDVI multitemporal analysis in the forest of Ben Slimane 3 Land resources 3.1 Climate 3.1.1 Climatic parameters 3.1.2 Climatic classification 3.2 Geology and geomorphology 3.2.1 General overview 3.2.2 Description of Land Systems 3.3 Land use and vegetation 3.3.1 Agriculture 3.3.2 Ben Slimane forest 3.3.3 Eastern scarp of the plateau 3.3.4 Southern reliefs 3.3.5 Forest policy 3.4 Soils 3.4.1 Soil classification 3.4.2 Chemical and physical characteristics 3.4.3 Conclusions 4 land resources evaluation 4.1 Land capability 4.2 Land suitability 4.2.1 Land suitability for irrigation 4.2.2 Land suitability for crops and fruit trees 4.2.3 Land suitability for forest plantation and natural vegetation 4.3 Erosion risk evaluation 4.4 Land changes Bibliography Annexes Annex 1 - Land Units descriptions Annex 2 - Soil profile classification Annex 3 - Floristic list Annex 4 - Field forms Annex 5 - Panoramic view Annex 6 - Transects List of authors Footnotes