Part 1: General Concepts. Stages in the Development of Water Resources Management. Introduction to Flow Systems. REGISPRO, a Geohydrological Information System. Ecotope Typologies, Ecotope Groups of Plant Species and Ecotope Protection and Restoration in Hydrological Systems Analysis. Modelling Groundwater Flow Systems. Groundwater Flow Systems and Hydrocarbon Migration. Part 2: Case Studies. Major Types of Hydrological Systems in the Netherlands. National Hydrological Systems Analysis in the Netherlands. Numerical Modelling of Groundwater Flow Systems; A Case Study in the SE Part of the Netherlands. Hydrological Systems Analysis of the Lake IJssel Area Regional Hydrological Systems Analysis Twente Eco-Hydrological Systems Analysis and the Protection and Restoration of Wetland Ecosystems in the Twente/Regge Catchment. Hydrological Systems Analysis Dinkel Valley/Borne Creek. Optimization of Water Management in the Wierden Area. Groundwater Situation Drenthe. Types of Hydrological Systems in the Major Geological/Physiological Terranes in Poland. Design of a Pilot Monitoring Network System for Groundwater in the Upper Notec Catchment in Poland. Regional Hydrological Systems Analysis and Water Systems Management at European Scale. Regional Hydrological Systems Analysis in the Northern Coastal Plain of Java, Indonesia.