(Table 3) Relative abundance of nannofossils of ODP Hole 103-640A
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Species abundance: V = very abundant (>20 specimens per field of view), A = abundant (1-10 specimens per field of view), C = common (1 specimen per 11-100 fields of view), F...
物种丰度(Species abundance)分级规则如下:V代表极丰富(每视野标本量大于20),A代表丰富(每视野1~10个标本),C代表常见(每11~100个视野可见1个标本),F……



