Diatom abundance of Hole 86-581
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Relative abundance: D = dominant, A = abundant, C = common, F = few, R = rare, T = trace, P = present (numerical values are abundance in percent)
相对丰度(Relative abundance)分级标识如下:D对应优势(dominant),A对应丰富(abundant),C对应常见(common),F对应稀少(few),R对应稀有(rare),T对应痕迹量(trace),P对应存在(present);若以数值形式表征丰度,则其取值为百分比形式



