As a good carrier of paleoclimate and paleoenvironment, lake sediments could be a reflector of the evolution history of climate, vegetation and human activities.

• 摘要湖泊沉积物作为揭示古环境、古气候变迁的最佳载体，它完整地记录了地质历史时期区域气候、植被以及人类活动的演化软迹。