five

(Table 5) Occurrence chart of Paleogene diatom species in ODP Hole 115-714A

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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

物种多度(species abundance)分级标准:S = 单种稀有(single,占比<0.1%),R = 稀有种(rare,占比0.1%~1.0%),F = 频见种(frequent,占比1%~10%),C = 常见种(common,占比10%~30%),A = 丰富种(abundant,占比30%~50%),D = 优势种(dominant,占比>50%),- = 缺失(absent)
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