分析海桑属花粉在晚第四纪地层中的分布，对深入研究南海海区的物质来源、古环境和古气候等有着重要的意义。
The environmental and climatic fluctuation of the late Quaternary in the South China Sea was explored by analysing the distribution of Sonneratia pollen.
结果表明，宁化地区晚第四纪古气候环境没有形成冰川的条件，但明显受到全球气温变化的控制。
The Late Quaternary paleoclimate environment in Ninghua was not suitable for the development of a glacier, and it was kept under the influence of the global temperature variation.
依此对区内晚第四纪的地层及古气候环境进行了初步讨论。
Then a discussion has been done on the stratigraphic division and paleoclimate in this area.
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