Vegetation Types and Plant Community Characters in Bijiashan Park in Shenzhen, Guangdong Province

The typical zonal vegetation of Bijiashan park in Shenzhen,Guangdong Province is lower subtropical monsoon evergreen broadleaved forest. Its actual vegetation can be divided into 3 categories:artificial and secondary forest, grove vegetation and garden vegetation. Artificial and secondary forest can be further divided into Southern subtropical artificial evergreen broadleaved forest, Southern subtropical secondary evergreen broadleaved forest, Southern subtropical secondary evergreen coniferous forest and Southern subtropical secondary evergreen shrub forest, which contains 13 community types in all. In this paper,the community structures and species diversity were analyzed for the 13 artificial and secondary forest communities.The results show that the artifical forest is preponderant and community hiberarchy is not clear.Almost communities are on the front stage of succession.