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Habitat filtering and dispersal limitation is influence nike Air Max Australia Sale community character bureau to form the nike Air Max Australia Price main ecological processes of species diversity character bureau established role of spatial scales in different ecological processes. Using single species - area model test which 40 species of woody plant species richness of nike Air Max Australia Cheap neighborhood effects, and the use of Poisson homogeneity, heterogeneous Poisson, Thomas homogeneity air Max Australia Thomas and heterogeneity analysis the single species area relationship deviates from the neutral condition significantly. The research results indicate that the Corylus mandshurica, buckthorn, early flowering honeysuckle, tea Acer and Fraxinus chinensis in 0-50 m scale biodiversity promotion for; Tilia and Carpinus cordata respectively in 0-25 m and 0-35 m scale for biodiversity inhibiting; most other species performance for neutral species. Diffusion limitation has a greater impact on the formation of community diversity, and the effect of habitat filtering is relatively small. Heterogeneity of Thomas process and eliminating the habitat filtering and diffusion limited impact, analysis results show 0-20 m scale promotion in community dominated; in% 26gt; 20 m scale neutral ratio increases with the increase of spatial scale in construction of process to occupy a dominant position in the community diversity; community in inhibition ratio lower, and with spatial scale did Nike Air Max Australia not significantly change. Therefore, the ecological niche differentiation and the neutral function determined the process of the construction of the community diversity structure, the relative importance of the two is closely related to the spatial scale.