Progress of Research on Carbon Cycle of Wetlands in China

One of the highlights in global change and terrestrical ecosystem research is on carbon cycle in wetland ecosystem.Wetland soil is the source and sink of various green gas and important pool of organic carbon with high carbon density and long-term of storage.At present,the studies of wetland carbon cycle are mainly concentrated on influence factors of carbon cycle,the studies of changes of soil organic carbon stock and spatial distribution of wetland soil organic carbon are less.By the review,this paper study the changes and spatial distribution of wetland soil organic carbon in different wetlands,it is important for us to understand the characteristics of wetland soil organic carbon and the relation with land ecological system carbon cycle,to provide scientific basis for evaluation and protection wetland ecosystems