Nannofossil abundance of Hole 77-536
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https://b2find.eudat.eu/dataset/ab4796e9-27ff-5df9-8499-b3315061e3ba
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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)的符号定义及数值规范如下:D代表优势(dominant),A代表丰富(abundant),C代表常见(common),F代表少量(few),R代表稀有(rare),T代表痕量(trace),P代表存在(present);若采用数值形式表征丰度,则数值单位为百分比。



