Field Demonstration of "Recovery of Shoreline" in Kumamoto Port

Abstract

Recently, the various environmental problems such as red tide, anoxic water and etc. occurred in Ariake Bay. Tidal flats in Ariake Bay were reclaimed from pre-Edo era to the post-WWII food shortage period for the main purpose of increasing farmland. In the process, the revetments were constructed to protect farmland existing around the supratidal zone (shoreline). In this study, the field demonstration of rehabilitation technologies for Ariake Bay "recovery of shoreline" was done in Kumamoto Port. As the result, the number of benthos species increased more than those before the shoreline construction.