In this paper, the authors briefly introduce the environment condition, the composition of plant categories, the structural characteristics of plant community and the population distribution pattern in the fixed quadrat of evergreen broad-leaved forest in Jinyun Mountain. The fixed quadrat is 500 m2 within the sample plot with the area of 1 ha proteced absolutedly. It is 820 m above the sea level with sands tone and yellow earth, and with typical climate of intermediate subtropical monsoon. In the quadrat of 500 m2 there are 57 species, 40 genera and 24 families of vascula plaantsj 37 species of woody plant; 14 species of herb and 6 species of vine. It is shown that 27 genera (61. 36 %) are of tropical distributions 10 genera (22. 73 %) of temperate distribution. For the species. 22 species (38. 6 %) are of tropic-Asia distribution and China endemic distribution, 11 species (19. 3 %) are of East-Asia distribution. The plant community are divided obviously into three layers of tree, shrub and herb. The constructive Specis is Sdtima argealea, and the dominate species of the second layer are Casianopsis carlesu, var. sfaailosa and Neotitsea auraia vat. ylouou.
Journal of Southwest China Normal University(Natural Science)
evergreen broad-leaved forest