大化石中释
Firstly, the Pliocene climate and elevation of Zhangcun basin are estimated using ODA method, based on the former data of both plant megafossil and 3 sets of pollen assemblages..首先，基于前人山西榆社盆地张村植物大化石和花粉组合资料，运用分布区叠加分析法，初步重建了华北张村上新世气候参数值和古海拔高度。
