(Table 4) Occurrence chart of Paleogene diatom species in ODP Hole 115-710A
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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 = 单级稀有(singel,<0.1%),R = 稀有(rare,0.1%~1.0%),F = 频见(frequent,1%~10%),C = 常见(common,10%~30%),A = 丰富(abundant,30%~50%),D = 优势种(dominant,>50%),- = 缺失(absent)
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2025-11-10



