(Table 4) Stratigraphic distribution of calcareous nannofossils at ODP Site 1...
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Species abundances: A = Abundant, C = common, M = many, F = few, R = rare
物种丰度(Species abundances):A对应丰富(Abundant),C对应常见(Common),M对应较多(Many),F对应稀少(Few),R对应罕见(Rare)



