河源市建成区城市绿地木本植物调查

调查了河源市4个绿地类型1163个样地木本植物状况,结果表明,共有木本植物78科227属401种(含种下单位),其中常绿木本植物为333种,占比为83.1%,木本植物以常绿为主;观花植物179种,占木本植物的44.6%,花色以红色、白色和黄色系列为主,花期集中在春、夏和秋三季。建成区城市绿地木本植物种类数在国内已有报道的城市中处于中游水平。绿地中频繁应用的植物种类仅30种,绿地景观多样性和植物多样性差。本地木本植物指数为0.86,达到了国家城市园林绿化的II级标准。

Survey on Woody Plants in Urban Green Space in Built-up Area of Heyuan

The status of woody plants in 1 163 plots of 4 green space types in Heyuan City was investigated. The results show that there are 401 species (including subspecies) belonging to 227 genera and 78 families of woody plants, among which 333 species are evergreen,accounting for 83.1%, and 179 species are ornamental plants,accounting for 44.6% of woody plants. The flower color is mainly red, white and yellow, and the flowering period is concentrated in spring, summer and autumn. The number of woody plant species in urban green space of built-up area is in the middle level among the cities reported in China. There are only 30 plant species frequently used in green space. The landscape diversity and plant diversity of green space are poor. In addition, the local woody plant index is 0.86,reaching the level II standard for urban landscaping and greening.