Unlike the uniform mangrove forest outside the embankment, the grassy marshland permanently enclosed inside is a highly complex mix of freshwater and saltwater wetlands, farmland, and ponds.
至於堤防內的大片草澤，不像堤外的單一紅樹林，環境十分複雜，包括淡水溼地、鹹水溼地、農耕地、水塘等。