Research On Plant Community Structure And Plant Landscape Of Aromatic Plant In Hangzhou

Using a combination of typical sampling method and random sampling survey method, This paper tries to learn about the utilization of landscaping fragrant plants resources through investigating the aromatic plants of five types of gardens in Hangzhou. Based on the plant communities theory,this paper Calculates the richness index,diversity index,plant community density of aromatic plants in 140 sample plots. Analyzes the application status, Summarizes the application characteristics of aromatic plants in Hangzhou, and puts forward the strategic proposals. The results of the investigation and analysis are as follows:1.Various types of landscape plants in Hangzhou City are 255 species,among which there are 177 species of aromatic plants,including 6 species of gymnosperms and 161 species of angiosperms; 78 species of trees, 54 species of shrubs, 36 species of herbs and 9 species of vines;96 species of flower plants, 53 species of foliage plants, 14species of fruit plants and 86 species of gesture plants.2.There are about 69 species of everygreen ligneous plants and 70 species of deciduous ligneous plants among aromatic plants in Hangzhou. They almost have the same ratio in aromatic plants between everygreen ligneous plants and deciduous ligneous plants, which have the obvious seasonal changes of plants. Those plants appear frequently over 20% are 17 species, accounting for 9.6% of the total species. Those plants appear frequently over 10% are 17 species, accounting for 9.6% of the total species.3.The Patrick index of aromatic plant communities about various types of garden green space in Hangzhou varied from 6 to 17. The target of S was mainly in the 7-9 segment, with a total of 65 communities, and the hannon-Wiener index (H), the tree layer is the highest, then is the shrub layer and herb layer is lowest among different types of green spaces. The Sinpson index (D)among all types of green land was shrub layer, tree layer and herb layer.4.Discusses the suitable aromatic plant species for urban landscaping in Hangzhou, Different types of tree species exist differences, The plant configuration of aromatic plants, The aromatic plants -themed garden applications etc. Summaries the application characteristics of aromatic plants in Hangzhou’s green space, and puts forward the Optimization Suggestion of aromatic plants landscape in Hangzhou.