a characteristic assemblage of pollen obtained by pollen analysis. Each zone (denoted by a Roman numeral) corresponds to one of the climatic stages of the late-glacial and postglacial periods
花粉带。
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n. 花粉带
The haploid pollen cells develop in the tapetal zone from spore mother cells.
单倍体花粉细胞由绒毡层提供营养发育。
a characteristic assemblage of pollen obtained by pollen analysis. Each zone (denoted by a Roman numeral) corresponds to one of the climatic stages of the late-glacial and postglacial periods
花粉带。
""