Quarternary diatom abundance of sediment core CRP-1 (Table 2)

Numbers represent occurence in a count of 300 valves. <1 = whole specimens observed in sample but not recorded in initial count of 300 valves. <0.1 = identifiable...本数据集中的数值代表300枚壳瓣（valve）的出现频次。 数值<1代表：样本中观察到完整标本，但未被计入初始的300枚壳瓣计数结果。 数值<0.1代表：可识别（原文后续内容未完整给出）