Finally,characteristics and changing tendency of annual runoffs and sediment loads of the Changjiang River main channels are analyzed,on the basis of observed data of Cuntan,Yichang,Jianli,Ha.

In-situ observation of floccule size and fluid mud in the Changjiang Estuary;

Study on the formation and evolution of Jiuduan shoal in the Changjiang estuary;

The species composition, community structure and diversity of zooplankton in Changjiang estuary;

Denitrification, nitrous oxide emission and adsorption in intertidal flat,Yangtze Estuary, in summer;

The Study on Relationship between Macrobenthos Community and Spartina Alterniflora Salt Marsh in the Yangtze Estuary;

Difference of Hydrodynamics and Sediment Characters at Typical Reaches & Analysis to Factors in the Yangtze Estuary;