贵阳喀斯特山地云贵鹅耳枥群落特征初探

Preliminary Study on the Phytocoenological Feature of the Carpinus Pubscens Community in Karst Moutain of Guiyang

云贵鹅耳枥群落特征:外貌是由草质、单叶、中型叶为主的落叶中高位茅植物所决定;具有明显的成层现象和较复杂的层片结构,落叶高位茅植物层片占优势,也有少量常绿高位芽层片;区系成分较丰富,计有维管束植物97种,隶属89属,56科。与北温带、东亚、泛热带的联系广泛且密切;云贵鹅耳枥群落是以云贵鹅耳枥为单优建群种的落叶阔叶林。

Through deepling analysing the phytocoenological feature of the carpinus pubscens community in GuiYang, the following conclusions can be reached: 1.It;s physioghomy is Characterized by the herbaceous simple-leaved mesophgUous type of phanerphytes. 2.In the community strucure, there is a distinct stratification. Synusia structure is complex, they are dominated by deciduous phanerophyte synusium. 3.The floristic composition is complicated. There are more than97 species (56 families, 89 genera) of Vascular plant. 4.In the community, the Carpinus pubscens is distributed in each layer, from that of seedlings to that of arborous, which indicats that species is a stable dominany one.