| Nanhu scenic area,which bred the cradle of the Chinese communist party,is the birthplace of China's red revolution.It has become the famous tourist attraction,whose plant landscape construction has become one of the important content of its construction.On the basis of thorough reconnaissance and consulting visitors and garden experts,19 typical sample area were select to survey and map.Analysis and research were carried out on these sample areas' plant species,space types,seasonal landscape,and so on.The conclusion were as follows.Firstly,sample survey showed that,there were 65 families,94genera and 122 species of vascular plants species in Nanhu scenic area.The whole plant species were fairly less.The proportion between native plants and alien plants were 1.1:1.The species of native plants were less.Water area of Nanhu scenic area is nearly fifty percent,but the land area of which is 65 hm2.In the process of plant landscaping,attention should be payed on plant species richness.Ornamental plants and native plants should be selected to create the seasonal local plant landscape.Secondly,Cinnamomum camphora,Salix babylonica,Metasequoia glyptostroboides and Ginkgo biloba were main upper plants of the scenic spot,while the use frequency of other species were small.Lower plant species are relatively abundant,but the use frequency of flower shrubs were small.The use frequency of ornamental trees and shrubs should be increased to create various plant landscape.Thirdly,the seasonal landscape of the scenic spot was well and the main seasonal landscape were flowers in spring and summer,and leaves in autumn.The ornamental plant species of which were achieved 23.3%,15.5%and 17.8%.By the way of adding the seasonal plants species and expanding the scope of application,seasonal landscape with more shock will be create.Besides,by the way of adding summer ornamental aquatic plants,more distinctive water plant landscape will be seen.Fourthly,the land part of the scenic spot were consisted of Huijing park,Shao park,Chenggong dyke,Nanxi park,the mid-lake island and so on.Space types concluded open space,semi-open space,vertical space and covered space.Number of semi-open space and covered space were larger than the other two types,and both of them were popular.The amount of open space and vertical space should be increased,and the type of enclosed space should be added to rich the space types,and which will meet the needs of different people.Fifthly,the evaluation results showed that,waterfront plant landscape were the most attractive kindof these landscapes.Which had a direct contact with the large water surface of the scenic spot.Plants combined well with other garden factors such as water,buildings,and so on.Landscape made up of Yanyu Hall and Lotus pond was the most successful one.When combined with other garden factors,the adaptability of plants and the proportional relationship between them are all important.Only in this way can we achieve the goal of plants in harmony with the landscape elements. |
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