2002 年 18 巻 p. 37-42
Tidal flats are decreasing by the landfill and reclamation in Japan. Tidal flats areimportantfor the conservation of biodiversity, sustainable fishery, water clarification, recreation, andenvironmental education. Many NGOs continue their activities, and are making networks nationally and internationally under the Ramsar Convention. The history of tidal flats NGOs were brieflydescribed. It is necessary for the conservation and restoration of the tidal flats that NGOs, government, contractor, and stakeholders sit at around table to discuss and reach a consensus.