(Figure 5) Distribution of calcareous nannofossils in sediment core ELT24.010-PC
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Species abundance: V = very abundant, A = abundant, C = common, F = few, R = rare, - = absent.
物种多度(Species abundance)分级标准如下:V=极丰富(Very abundant),A=丰富(Abundant),C=常见(Common),F=稀少(Few),R=稀有(Rare),符号“-”表示缺失(Absent)。
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2025-11-11



