遇见数据集

(Table 3) Distribution of calcareous nannofossils in ODP Hole 119-737B

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资源简介:

Species abundance: V = very abundant (>40%), A = abundant 10-40%), C = common (1-10%), F = few (0.1-1%), R = rare (<1%), - = absent

物种多度(Species abundance)分级标准如下:V = 极多(>40%),A = 丰富(10%~40%),C = 常见(1%~10%),F = 稀少(0.1%~1%),R = 稀有(<1%),- = 未出现

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