Applying plant community diversity techniques and SPSS statistic analysis, we quantified the relationship between crown volume of 18 (Sophora japonica) tree communities and elevation along different elevation gradient in Ye County in the study. We concluded that there was a significantly positive correlation between crown volume of 18 (Sophora japonica) tree communities and elevation gradient (P < 0.01). Elevation was the dominant environment driver crown volume of (Sophora japonica) tree communities increased along elevation from 50 m to 200 m in Ye County in 2018. Therefore, understanding dynamic connecting crown volume of 18 (Sophora japonica) communities and elevation can be not just applied to preserve of (Sophora japonica) tree communities, but also applied to sustainable of biodiversity and processes of tree community's crown volume along elevation.

(Cremastra appendiculata) of treating lumbago and arthritis not only is a vital medicinal material plant, but also it is a widely distributed wide plant species. This plant species is widely distributed elevation from 500m to 3100m in forest landscapes and vegetation ecosystems in Mei County of China. However, understanding dynamics of biomass of leafstalk of this species is difficult along elevation. This research explained that the links between biomass of leafstalk of this species and elevation is the significant positive correlation from 500m to 1500m (P<0.01) as well as the links between biomass of leafstalk of this species and elevation are the significant negative correlation from 1500m to 3100m(P<0.01). This study provides six ecosystem types and a series of areas ecological adaptation for finding new medicinal species. Therefore, this study has vital theoretical and practical significance for medicinal plant protection along elevation and environments. Keywords: biomass of leafstalk; elevation; correlation; areas ecological adaptation; medicinal species.

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(Cremastra appendiculata) of treating lumbago and arthritis not only is a vital medicinal material plant, but also it is a widely distributed wide plant species. This plant species is widely distributed elevation from 500m to 3100m in forest landscapes and vegetation ecosystems in Mei County of China. However, understanding dynamics of biomass of stems cuticle of this species is difficult along elevation. This research explained that the links between biomass of stems cuticle of this species and elevation is the significant positive correlation from 500m to 1500m (P<0.01) as well as the links between biomass of stems cuticle of this species and elevation are the significant negative correlation from 1500m to 3100m(P<0.01). This study provides six ecosystem types and a series of areas ecological adaptation for finding new medicinal species. Therefore, this study has vital theoretical and practical significance for medicinal plant protection along elevation.

No abstract