Zonation is made of the region of farmland-returning to lake in Poyang Lake according to its elevation, seasonal flooding nature of different occurring frequency.

• 摘要针对江西鄱阳湖退田还湖区不同海拔高程、不同洪水发生频率的季节性洪水淹没特点，对鄱阳湖退田还湖区进行了不同洪水频率的分带；