The current situation of water resources and their uses in the southeast of Tunisia presents some stakes that are common to many regions of the Mediterranean basin. Limited water resources are widely used to meet the growing need and increasing commodification of resources, which required the implementation of Natural Based Techniques for the valorization of runoff water with the protection of downstream villages from floods. There are several traditional and modern of rainwater Harvesting (RWH) techniques currently used. However, the most important traditional RWH techniques in the southeast of Tunisia are the "Jessour" and the “cisterns” which conserve water for irrigation during drought season and protecting the downstream villages from flooding during rainfall exceptional events (https://books.google.tn/books/about/Etude_des_Jessours_dans_les_Monts_d…;
Ines Gasmi