蒙古栎林的区系成分

The Floristic Elements of the FormaQuercus mongolica Forestry

本文所研究的蒙古栎林中计有维管植物１０７种，其中温带区系成分５５种（占总种数的５１４％），东亚成分３２种（占２９９％），中国特有成分２０种（占１８７％）。还分别分析了蒙古栎林的乔木层、灌木层、草本层以及层间植物区系成分。结果表明蒙古栎林区系性质代表了当地植物区系的性质，并且更具代表性，更有说服力。

According to the results of observations, there are 107 species of vascular plants in the Forma Quercus mongolica that located in E. Hebei. There are 55 species of temperate floristic elements (514% of the total species), 32 species of E. Asia floristic elements (299%) and 20 species of endemic floristic elements to China (187%). The author analysed the floristic elements on the tree layer, shrub layer, herbaceous layer and liana. The results of the floristic elements analyses of the Forma. Quercus mongolica standed for the temperate nature of the Forma and the areas where the Forma distributed.