During the Banpo man time or in the Middle Holocene, 5000~6000 Bp, the climate within the modern glaciation best fitted vegetation and the intrusion of some sub-tropic trees was postulated to have taken place.

 
  • 古土壤代表间冰期夏季风盛行的湿热气候,植被比较繁盛;黄土代表冰期冬季风盛行的干冷气候,植被凋凌。
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