(Table 5) 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
物种多度(Species abundances):A代表丰富(Abundant),C代表常见(Common),M代表较多(Many),F代表稀少(Few),R代表稀有(Rare)



