FLUSSGEBIETSMANAGEMENT IN DICHT BESIEDELTEN UND INDUSTRIELL GENUTZTEN GEBIETEN=RIVER BASIN MANAGEMENT IN DENSELY POPULATED AREAS AND INDUSTRIAL ZONES

Examples of the works achieved by 2 german water associations, Emscher and Lippe, respectively of 100 and 75 years old in the frameworks of the NorthRhine-Wesphalian water association. Revision of the status of those associations dealing with new criteria of the european union water framework directive. Local problems of water quality and ecological potential in densely populated areas.