(Table 5) Distribution of nannofossil species in ODP Hole 110-676A
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Species abundance: V = very abundant (>20 specimens per field of view), A = abundant (1-10 specimens per field), C = common (1 specimen per 2 to 10 fields), F = few (1...
物种丰度(Species abundance)分级规则如下:V 代表极丰富(每视野内标本量>20个),A 代表丰富(每视野内标本量为1~10个),C 代表常见(每2~10个视野可见1个标本),F 代表稀少(1……)



