The Study On The Planning Of Landscape Trees In Chuzhou City, Anhui Province

This article is based on the investigation and analysis of tree species in urban built-up area of Chuzhou, under the guidance of the plant configuration and landscaping, urban ecology, landscape planning and design comprehensive theory, Select a group of garden plants which suit Chuzhou local natural conditions, actively and effectively serve to promote the city’s ecological balance, protecting and improving the urban environment, meet the requirements of multi-functional urban landscape, highlighting the history and culture of the city. Urban tree species is an important part of success related to a city planning landscaping work. The main results are as follows:1. Through the surveys and statistics on current greening tree species in Chuzhou city urban area, there are 408 species of plant, belonging to 73 families and 181 genus (including subspecies level, the same below). Among this, there are 67 kinds of evergreen trees, evergreen (including semi-evergreen) 63 kinds of shrubs, deciduous shrub 119 kinds,13 kinds of evergreen or semi-evergreen vine, vine leaves 26 kinds. There are wild species and derivatives 225 kinds, naturalized species and varieties of 44 kinds, domesticated species and derivatives 112 kinds in Chuzhou. Local native woody plant woody plants index= The local number of woody species (seed) /total number of species of woody species. The local index of woody plants was 0.93, have reached the urban landscape I grade standard indicator.2.Through the evaluation and analysis, according to the theory, and the status of Chuzhou City, determined the evergreen tree:deciduous trees=2:3, arbor:bush=1:1, gymnosperm:angiosperms =1:10, fast growing:general growing:slow growing=2:2:1, native tree:exotic tree=2:1, woody: herbs=2:1.3. Through investigation and analysis in Chuzhou, determined camphor and pistacia as keynote trees, Magnolia, loquat, privet, fragrans, deodar, sycamore, ginkgo, koelrenteria paniculata, waterelm, hackberry, Chinese scholartree, soapberry, langya elm, metasequoia, weeping willow as backbone. Determined 418 kinds of trees as general trees, among these there are 54 kinds of evergreen trees, deciduous trees,134 species of evergreen shrubs and 65 species of deciduous shrubs,127 species of evergreen or semi-evergreen vine has 18 species of deciduous vine with 14 species,26 kinds of bamboo.4. Based on the investigation of Chuzhou natural conditions and cultural background, we recommend Pistacia Chinensis and chuzhou chrysanthemum as city tree and flower of chuzhou.