On the basis of discussion of present status and problems involved with research on the marine carbon cycle,the role of marine ecosystem dynamics in ocean carbon cycle is analysed.Early studies of the carbon cycle emphasized on the cycle of inorganic carbon.As the research is carried on in a deep going way,the carbon cycle model with a simple biogeochemical process even with an explicit ecosystem is being developed.The future research is pointed out that it includes a better understanding of the physical processes and development of the marine carbon cycle model with an explicit ecosystem.For this reason methods of parameterisation of some key processes should be studied in the marine ecosystem dynamics,and values of some parameters should be determined.It is expected that the future models can be used more precisely to study the response of the marine ecosystems and carbon cycle to global changes.
