The idea is compiling the whole knowledge necessary to
identify the water resources problems and to solve them. The knowledge that must be acquired is not only
concerned on how the water managers deal with their river basin real problems but also on how the scientists
think that water management could be improved based on knowledge of stream ecosystem structure and
functionality. Three types of knowledge can be distinguished: literature, experts, and databases. The general
knowledge of the process can be mainly extracted from literature and database, and the heuristic knowledge
can be obtained from both water management and domain-experts.