Plant Community Disposing Pattern And Landscaping Aesthetics Of Urban Parks In Zhengzhou

Urban park is an important part of the city's ecological environment,and it is also a kind of essential urban spatial morphology structure.It is the key to make the urban park's greenning environment better,which to know the structural characteristics,the configuration mode of the plant communities and even improve the overall quality of the plant communities landscape.In this research,choosing four types of urban parks as the research objects in Zhengzhou,which are based on the phytocoenology and analysis the characteristics of ecological structure,the landscape structure,the construction art of the plant community.And then select 84 high popularity plots from the 122 plots to evaluate the landscape aesthetics so that can expound the characteristics of the plant community and the relationship between configuration mode and landscape aesthetics.Then analysis the influence indicators of the plant communities in Zhengzhou.At last,analysis the configuration mode and the landscape aesthetic of the typical plant communities which provide a theoretical basis for the landscape optimization in Zhengzhou.It also has advantages in the construction of new urban park in Zhengzhou.The main conclusions are as follows:(1)Through the surveying of the plant community,there are 172 vascular plant species,121 genera and 70 families.They include 64 species of deciduous trees,20 evergreen trees,44 species of shrubs and other 44 species.The dominant species belong to Rosaceae,Leguminosae,Oleaceae.The plant species prensent in the four park which are Zhengzhu People's Park>Zhengzhou Bishagang Park>Zhengzhou Zijingshan Park>Forest of Zhengzhou Park.The high planting frequencies of tree layer are Privet,Ash,Willow,Cedar,Gingko,Photinia Serrulata,Sycamore,Palm,Platycladus orientalis and Sophora japonica.The high planting frequencies of shrub layer are Euonymus japonica,Euonymus japonica,Crape myrtle,Osmanthus,Rose,Prunus cerasifera,Nandina,Pittosporum,Bauhinia,Chimonanthus praecox.Vertical structure type order of plant communities is grass shrub and tree type(29)shrub and tree type(29)grass and tree type(29)grass and shrub type.The most plants are young adults which has great potential of the longitudinal and the transverse.Among all the trees,There are 102 species of flowering plants,which is 59.3% of all species,62 species are spring flowering plants,which is 36.05% of all species,42 species are summer flowering plants,which is 24.42% of all species,10 species are autumn flowering plants,which is 5.81% of all species.The species richness of the overall performance of the plant communities is tree layer(29)shrub layer(29)grass layer.Richness of the landscape of the 5 types of the plant communities is complicated plant community(29)plant community around the garden buildings and the small garden ornaments(29)plant community on the waterside(29)plant community of palm trees(29)plant community of the roadside.diversity index of the overall performance of the plant communities is grass shrub and tree type(29)shrub and tree type(29)grass and shrub type(29)grass and tree type.Diversity index of the landscape of the 5 types of the plant communities is complicated plant community(29)plant community around the garden buildings and the small garden ornaments(29)plant community on the waterside(29)plant community of palm trees(29)plant community of the roadside.Among the combine spatial of the plant communities,it includes 51 plots which belongs to open space type,22 plots which belonged to the open space type of side forest,31 plots which belongs to semi enclosed space type.It includes 9 closed space types and vertical space types.The open space and the semi enclosed type are the main types.(2)We research the quality of the landscape of the plant community aesthetic evaluation by methods of the combination of SBE method and AHP.The results showed that,there are 69 plots' SBE value is positive,15 plots' SBE value is negative,the kind of good landscape quality accounted for 82.14% of the total among the 84 plots.So the landscape of the plants is generally high in Zhengzhou urban park.By the method of AHP,the landscape evaluation model of expert weight assignment indicated the importance of evaluation factor which is ecological bebefit(29)visual aesthetic(29)characteristics of space in order.The importance of every factor of the ecological benefit is diversity of the plant community(29)zonal of the plant community(29)growth condition of the plant community,the importance of every factor of the visual aesthetic is the performance of the plant community(29)the colors of the plant community(29)the seasonal changes of the plant community(29)the change of the appearance of the plant community.The importance of every factor of the characteristics of space is the hierarchical richness of the plant community(29)the crown density of the plan community(29)the proportion of the energreen in the plant community.Based on the the characteristics of the ecological structure in the plant communities,the configuration mode of the plant communities and the quality of the landscape research of the plant communities.We put forward relevant proposals to optimize the selection and configuration mode of the urban park plant commounities.And also provide theoretical and references about the arrangement of the plant commounities,the quality of the landscape in the plant communities and the design of the plant commounties.