. The site is an important wildlife sanctuary in Vietnam as it is characterized by a wetland biosystem dominated by mangroves. The intertidal mudflats and sandbanks at Can Gio are an important habitat for migratory shorebirds. Eighteen mangrove forest plots were set up in Can Gio to collect data on mangrove structures and wave height. The selected plots are representative of the differences in mangrove structures in the region (e.g. age, species, height, tree density).