Season Dynamic of Plant Species Diversity in the Abandoned-field along the Jingjiang River near the Yangtze River;

Influence of diking on the benthic macro-invertebrate community structure and diversity in the south bank of the Changjiang Estuary;

Variations and effects on water and sediment in the Jingjiang River three outlets and Dongting Lake;

Research on BP network prediction model for diversion flow of 3 diversion outlets of Jingjiang river;

Water-sediment relation between Jingjiang River and Dongting Lake and its adjustment;

Research on the Variations of the Water and Sediment for Recent 50 Years in the Jingjiang River and Dongting Lake Area;