The sieving-analysis method, a new way of pollen analysis, is designed to fit the study needs of loess pollen. 筛滤分析法正是为了适应黄土研究的需要而设计的一种新型的黄土孢粉分析方法。
Based on the result of sporopollen analysis, we reconstructed the paleovegetation and paleoclimate for this area since late Pleistocene. 根据孢粉分析结果，恢复了该区晚更新世以来的古植物和古气候。
