| This paper chooses Changsha city as its research area and conducts a spot investigation on 30 road greenbelts as well as a total of 92 belts transects. Also the analysis of Changsha plants community road greenbelts is made based on the ecological theories. Again it resolves the composition and characteristics of foliage plantsm,ornamental flower plants and fruit plants from the perspective of ornament. Then from the overall satisfaction,plant landscape satisfaction.plant constitute satisfaction,plant functional satisfaction,plants' harmony with environment roads plant identification degrees and road plants,a questionnaire survey was provided to the citizens of Changsha. Finally,and the following conclusions are made.Firstly.the species of road green space plants in Changsha urban area are not enough. In the investigation of 92 road greenbelts,there are only 45 families and 91 species of plants,and the local characteristics of urban road green space plants is not obvious. There existing a few excessive species such as camphor.which results in the low identification of road plants.Secondly,most Changsha people are relatively satisfactory about the present road landscape plants. However,many people from social group conceive the modeling plant and model pattern of road green land are too similar and stereotyped,and hope natural type of plants can be added in and to strengthen the maintenance and management of plants. What is more.they hope to broaden the greenbelt area and enhance the effect of trees' shade,also they hope to show a consideration on the resting place and the shade. In addition,they wish to see more local plants to color plants species. Again,they hope landscape of urban road green space could be more varied,and increase seasonal plant change and groundcover plants usage. To the professional group,they want to strengthen the use of local tree species to demonstrate regional cultural of Changsha. Also, the greenbelts landscape design should be more humanitarian compared to other city landscape,so that people can drive and walk safely,and air environment protection is secured. In plant configuration,they believe that facade level should be increased. And we should make full use of different ornamental characteristics of small trees,shrubs,and cover plant's to satisfy people's need for landscape and environment.In the end,the paper provides optional road plant species for Changsha city and makes an overall planning for municipal green road of Changsha. It also makes a design of Eastern Naodong Road on the basis of relevant investigation. |
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