| In recent years,Jincheng municipal government for the city greening investment and construction has achieved remarkable results.With the development and construction of Jincheng,the urban area had a higher level of landscape highlights on one hand.On the other hand,there were also many problems in the plant disposition of street greening.As the city roads and street greening development,the original disposition could not meet the demands of the new times.This paper research used random survey method and typical sampling method to the urban street greening and plant disposition of Jincheng.The plant species,number,habit,spatial distribution and plant disposition were investigated.At the same time,the questionnaire survey was also used to discuss the satisfaction of the street greening and plant disposition of the urban residents.On this basis,the advantages and the disadvantages were found.The appropriate plant species and plant disposition were always found.This would provide scientific and reasonable suggestions and basis to the street greening construction.1 There were altogether 20 families 41 species of greening trees in the urban area of Jincheng,including 13 families 20 species arbors,7 families 17 species shrubs and 2 families 4 species herbaceous.There were also 12 species of evergreen plants,25 species of deciduous trees and 7 species of the native trees.The species were so relatively few of the street greening trees and the plant diversity were lack.Among them,the most applications of the arbors were Chinese white poplar,weeping willow,plane tree and China savin.Crape myrtle and Japan euonymus were the most applications of shrubs.Freesia was the most applications of herbaceous.2 The main spatial distribution of the urban city were one plate two bands,two plates three bands and three plates four bands.The total number of this three was 24 and the proportion of all the street was eighty percent.And five plate six bands was the special spatial distribution of Jincheng,for example Zezhou road and Fengtai road.On plant disposition,the arbors,shrubs,herbaceous and cover plant were all used with rich form.Among them,the plant disposition of one plate two bands was mainly the arbors or arbors and shrubs,for example Xinshi road,Hongxing road and Jianshe road.The plant disposition of three plates four bands was the arbors and arbors which may be cooperated with shrubs and herbaceous,for example Lanhua road.And the plant disposition of four plates five bands was the arbors and two belts of shrubs which may be cooperated with arbors and herbaceous,for example Baishui road and Wenbo road.3 The seasonal characteristics,photographic properties and ornamental properties of street greening trees of Jincheng were performance as follows.Light demander tree was the most and the proportion of it was 64.9 percent,for example Firmiana simplex,Koelreuteria integrifoliola,Robinia pseudoacacia,Acer truncatum,Cerasus yedoensis and Syringa oblate The tree whose ornamental properties were the trunk was the most and all of this kind of tree was arbors.The proportion of it was 41.5 percent.But the tree whose ornamental properties were the fruit was the least and all of this kind of tree was shrubs.The tree which has spring flower was the most and the proportion of it was 57.1 percent,for example Forsythia suspense,Syringa oblate,Cerasus yedoensis and Malusmicromalus Makino.The tree which has red flower was most and the proportion of it was 71.4 percent,for example Punica granatum,Hibiscus syriacus,Lagerstroemia speciosa and Prunus persica.4 The urban residents were satisfied with the plant disposition of street greening of Jincheng,but they thought that the local characteristics of the city were not enough.They put forward that we should pay attention to the natural style of plant collocation and build a landscape which with rich hierarchy and flowery color.So it could reflect ornamental,color change and species richness of the street greening of Jincheng to build a good landscape effect. |
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