It also contributes to the terrestrial paleoecological and paleoenvironmental issues, such as vegetational evolution, changes in C3 to C4 plants and paleolimnologic variatiuns.

• 有机生物地球化学也能在陆地古生态系统中植被的演变、C3与C4植物的消长变化、湖泊水体环境的变化等方面作出独特的贡献。