Phytolith analysis in the surface soils is not only an important approach of studying phytolith assemblages in the Quaternary sediments, but also a basis of Quaternary environment reconstruction.

• 表土沉积物中的植硅体分析是了解第四纪沉积物中植硅体组成的重要途径，也是重建第四纪古环境的基础。