(Table 5) Distribution of calcareous nannofossils in ODP Hole 124-768C
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species abundance: W = very abundant (>70 % of a rich assemblage), A = abundant (>10 specimens per field of view at 1500 X), C = common (1-10 specimens per field), F = few...
物种丰度:W = 极丰富(占物种丰富群落组合的70%以上),A = 丰富(1500倍放大视野下单个视野内标本数大于10),C = 常见(单个视野内1~10个标本),F = 稀少(后续内容省略)



