Abstract
In this research, Cognitive Map theory was to extract differences of opinions between various levels of Public Involvement in order to facilitate agreement among Stake Holders involved in natural resource management. In particular, the research focused on the dispute between two groups, the former Ministry of Construction, including the Construction and Opereation of Water Resouces Development Facilities and the Citizen Liaison Conference to Improve Kasumigaura and Kitaura over how to preserve Lake Kasumigaura. Each opinion about the Kasumigaura problem was comprehensively and systematically grasped using Cognitive Map and its minimum digraph. Differences of plans to resolve the issue were also extracted from the minimum digraphs. The usefulness of Cognitive Map for deepening mutual understanding about the problem has been proven.
