In the light of the distribution of ancient sea banks and the period of their ups and downs,this paper analyses the formed factors and history of the coastal plain and the riparian plain along the Changjiang River in the north Jiangsu Province,and then also probe into the coupling relationship between the rise and decline of s.

Characteristics of N_2O Fluxes in Paddy Fields of the Sanjiang Plain;

Impact of Reclamation Activities on Water-soluble Ionic Iron Distribution of Surface Water in the Sanjiang Plain;

Water Balance of the Reclaimed Wetland in the Sanjiang Plain;

Study on Nitrogen Concentration and Deposition Amount in Wet Deposition in Typical Wetland Ecosystem of Sanjiang Plain;

Research of Diurnal Variation of CH_4 Flux from Carex lasiocarp Marsh in Different Growing Stage in Sanjiang Plain;

Distribution of Water-soluble Iron in Water Environment of Sanjiang Plain;