草地生态系统是陆地生态系统的重要组成部分,人们对草地生态系统碳氮循环的研究较多。本文就我国有关草地生态系统碳氮循环的机制、影响因素和耦合特征的研究进展做一简单的综述,并指出研究的难点和问题,为当前及今后的研究提供参考。
Grassland ecosystem is an important part of land ecosystem. There were lots of studies on carbon-nitrogen cycle of grass- land. This paper summarizes the mechanism, affecting factors and coupling characters of carbon - nitrogen cycle on grassland ecosystem in china, and points out the difficulties and issue, provides reference for the study at present and in future.