Abstract:Daqinggou forest plant community is a special type which endures long term environment changes and has a typical mechanism to adapt the environment Based on the succession model and correlation analysis the stability of community is the studied The communities which Fraxinus mandshurica is dominant are adaptable to micro environment in the long term environmental and climatic changes,and they are stable at equilibrium states The communities which Quercus mongolica is dominant are adapted to the ...