Abstract:The key technique and actual benefit of Grass Dick Fish Pond(GDFP)in tideland of east Jiangsu Province, China were studied in this paper. It is shown that GDFP could effectively reclaim saline land and bring big economic benefits. Phragmites communics planted between dyke\|foot and fish\|gathering ditch could ensure the safety of embankment wall; in fishpond it did not only provide forage for grass carp and purify water in fishpond, but also buffer unfavorable influence on environment resulted from fish...