特征指示种花粉雨研究，对古生态环境重建也具有重要的意义。
The study on pollen rain of characteristic indicator species has important significance for reconstructing paleo_ecological environment.
这些冻原植物花粉形态的研究为恢复北极地区古植被和古气候的研究，提供了有价值的对比资料和依据。
Investigation on pollen grains of tundra plants can provide significant data for comparative study of fossil pollen and for reconstruction of paleovegetation and paleoclimate in the Barrow area.
因此，在古环境研究中，区分局部性与区域性花粉谱变化有着重要的意义。
Accordingly, it is important to distinguish the local and regional pollen spectra in terms of the reconstruction of environmental history.
现存植被与其花粉分布的关系可作为利用化石花粉图谱重建古植被时的参照，因此，理解现存表土花粉分布格局对解释花粉图谱十分关键。
The relationship between existing vegetation diversity and its pollen diversity can be used to infer past vegetation diversity from the spectra of fossil pollen.
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.
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.
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