Muan Tidal Flat. 14/01/08; Joellanam-do; 3,589 ha; 35°06'N 126°23'E. Wetland Protected Area. An intertidal sand- and mudflat ecosystem, free of human disturbance, on the coastline of the Yellow Sea , located in the mouth of semi-enclosed inner bay. Some 49 species of winter waterbirds have been observed, and the site provides habitat to various endangered and rare species such Saunder's Gull (Larus saundersi), Black-faced spoonbill (Platalea minor) and Chinese Egret (Egretta eulophotes). It is a notable spawning ground for marine organisms, with some 357 species recorded, providing valuable food resources for the migratory birds. A reclamation' with small-scale sea dyke constructions was carried out for the development of Woldoo village fishing port, but detrimental effects have not appeared so far. A comprehensive management plan has been in effect since 2002, implemented by the Ministry of Maritime Affairs and Fisheries (MOMAF), and a number of monitoring programmes are continuing. Ramsar site no. 1732. Most recent RIS information: 2008.