Planktic foraminifera abundance of Hole 73-521
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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):D为优势(dominant),A为丰富(abundant),C为常见(common),F为稀少(few),R为稀有(rare),T为痕量(trace),P为存在(present);括号内注释:以数值形式标注的丰度,其单位为百分比。



