| Plant Landscape, as an important component of the urban riverfront green space, it plays an important role in ecology, landscape, socio-economic and other functional aspects of urban riverfront green space.This thesis chooses the green space Inner Cana,Ancient Yellow River,Salt River, Grand Canal in urban waterfront district Huaian as the study object. The main contents include:By analyzing the environment of residential riverfront plants planting structure, the number of characteristics, species richness and diversity of 15 plant communities on the theory of Plant Community such as similarity, drawed appropriate conclusions. Based on the contents of the previous text, the paper tentatively constructs residential urban riverfront landscape evaluation AHP system, four rivers were evaluated.; and comprehensively evaluates the urban riverfront green space of four rivers in Hai'an through SD method. This thesis summarise the current problems of Hai'an urban riverfront green space.The result indicates that The index of river communities from Plant community characteristic analysis uneven situation presented.It reflects that the planning of all rivers is not unified planning.By comparing the data from the east bank and the west bank of the same river, an urban center eastward trend can be found out.The comprehensive assessment index AHP of the four riverfront green spaces in Huai'an city is arranged, as follows:Inner Cana> Ancient Yellow River> Salt River> Grand Canal.This result is consistent with that of SD Analysis, In the plant landscape configuration, the use of the Huai'an native tree species is good; however, for the riverfront green landscape, there is a lack of regional features, which changes the natural curve of the original riverfront landscape and destroys the biological habitat.Finally, making some suggestions to these problems, hoping they can provide some reference for the future landscape transformation of urban riverfront landscape. |
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