chapter 1 Water management in Mediterranean regions prone to drought: The J�car Basin experience -- chapter 2 Criteria for marginal water treatment and reuse under drought conditions -- chapter 3 Strategies for the conjunctive use of surface and groundwater -- chapter 4 Optimization model for the conjunctive use of conventional and marginal waters -- chapter 5 Decision support systems for drought management -- chapter 6 Methodology for the analysis of drought mitigation measures in water resource systems -- chapter 7 Droughts and the European water framework directive: Implications on Spanish river basin districts -- chapter 8 Water reuse and desalination at Comunitat-Valenciana region, Spain -- chapter 9 Role of decision support system and multicriteria methods for the assessment of drought mitigation measures.