Relative abundance of coccosphere-units of sediment core GIK23071-3

Age given in calendar years. Coccosphere-unit: Conversion of coccoliths to hypothetical coccospheres by taking an average number of coccoliths per coccosphere.年龄以日历年（calendar years）为单位给出。颗石球单位（coccosphere-unit）：通过统计每个颗石球（coccosphere）平均所含的颗石粒（coccolith）数量，将颗石粒换算为假想颗石球。