(Appendix 7) Pollen analysis of soil profiles obtained in the Nagqu area

Please note that since too few pollen were found that would allow the calculation of a statistically reliable pollen sum, data are given in concentration values (= ratio of...请注意，由于发现的花粉数量过少，无法计算出统计学上可靠的花粉总量，本次数据以浓度值（即……之比）的形式给出。