Arid regions climate (2) Droughts (2) Sequía (2) Collectivité territoriale (2) Climat aride (2) Sécheresse (2) région (2) paysage (1) Tunisie (1) Preservation (1) Conservation (1) Assaying (1) Agriculture (1) Antiquities, Prehistoric (1) Event history analysis (1) Water balance (Hydrology) (1) Traffic flow (1) Sahara (1) Risk (1) Rain and rainfall (1) North (The word) (1) Prehistoric peoples (1) Human beings (1) Landscapes (1) Hydraulics (1) Fruit-culture (1) Forests and forestry (1) Arboriculture (1) Use studies (1) Use studies (1)