The study on the morphology of stomata of conifers is the foundation of identifying fossil stomata that is important for the study of the change of vegetation and climate.

• 摘要现代针叶树气孔器的研究为鉴定化石气孔器奠定了基础，对第四纪植被变化和古气候的研究起着很重要的作用，是第四纪孢粉学的一个重要补充。