表土花粉可能成为冲积物花粉的一部分。
表土花粉的代表性因种属的不同而各有差异。
The representation of pollen in surface soil is different between families and genera.
调查分析了海南岛各种热带植被下的表土花粉，并根据花粉数据进行植被类型的模拟。
Surface soil pollen under various tropical vegetations in Hainan is investigated and these pollen data are used to do simulation of vegetation types.
目前的孢粉学方法将表土花粉鉴定到属的水平都十分困难，因此造成依据花粉图谱进行植被重建的时候出现无法矫正的误差。
We developed a new approach to identification of Chenopodiaceous pollens in surface soils to the species level while current palynological methods have less ability to do so even at a genus level.
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.
洪水期冲积物中的木本植物花粉主要是由雨水片流将春季落入表土的花粉带入河水中所致。
Arboreal pollen in alluvium mainly came from the surface pollen fallen on the ground in spring which was carried by sheet flow during the floods.
研究表明：桦属和松属在表土中的花粉百分含量大于群落中植物的盖度，具超代表性；
This research demonstrated:Surface pollen content of Betula and Pinus is much more than their coverage in community, so they have extra representation;
研究表明：桦属和松属在表土中的花粉百分含量大于群落中植物的盖度，具超代表性；
This research demonstrated:Surface pollen content of Betula and Pinus is much more than their coverage in community, so they have extra representation;
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