Surface pollen may be a part of the alluvium pollen.
表土花粉可能成为冲积物花粉的一部分。
On the basis of surface pollen data, vegetation and climate since 30 ka in both islands were reconstructed.
根据孢粉资料恢复了两个岛屿3万年以来的植被和气候。
This indicates that total pollen concentration is not an essential factor for studying the relationships between surface pollen and vegetation.
花粉浓度在草原区花粉与植被关系研究中意义不明确。
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