Abstract
There are 37 main tidal flat in Japan, and developments that would cause changes in the natural environment have been taking place in 16 tidal flats. In order to develop, to use or to preserve these tidal flats, it is necessary to determine environmental values that they possess. This study presents results of questionnaire surveys using Contingent Value Method (CVM) to estimate monetary values of tidal flats. We ask to respondents amount of the contribution to “tidal flat preservation fund” for the Isahaya and Sone tidal flats. Willing to pay (WTP) values are obtained, and various biases which influence the results are considered. The WTP values of this study are also compared with those of other studies.
