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根据扫描电子显微镜显微结构,对赤峰地区两处青铜时代遗址中的炭屑进行鉴定.经鉴定,两处炭屑标本均属蒙古栎（Quercus mongolica）,该种具有较强的气候指示意义.参照孢粉组合中出现的植物种（属）及其现代种（属）的生态气候指标和群落学特征,复原了赤峰黄土丘陵区青铜时代的植被.当时气候较为暖湿,地带性植被为蒙古栎林和油松林.
According to the scanning electron microscopy (SEM) microscopy, the charcoals from two Bronze Age sites in Chifeng area were identified, and the two samples were all identified as Quercus mongolica, which has strong climatic significance. The restoration of the vegetation in the Bronze Age of the Chifeng loess hilly region was based on the ecoclimatic characteristics and community characteristics of plant species (genera) and their modern species (genus) appearing in the sporopollen assemblage, when the climate was warm and humid and the zonal vegetation was Mongolia Oak forest and pine forest.