遇见数据集

(Table 4) Occurrence chart of Paleogene diatom species in ODP Hole 115-711A

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species abundance: S = singel (<0.1%), R = rare (0.1%-1.0%), F = frequent (1%-10%), C = common (10%-30%), A = abundant (30%-50%), D = dominant (>50%), - = absent

物种丰度(species abundance)分级标准如下:S代表单类群(single,<0.1%),R代表稀有(rare,0.1%~1.0%),F代表常见(frequent,1%~10%),C代表普遍(common,10%~30%),A代表丰盛(abundant,30%~50%),D代表优势类群(dominant,>50%),符号"-"代表缺失(absent)

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