Landscape Planning For ZiShan Lake Based On Urban Green Heart Idea

With high development of city, urban green space has became the focal point which the public and the developer's interests contest. The contradiction between green space development and protection of urban green-heart is more obvious, so how to guarantee the function display of green-heart in city central district which have the highest commercial value is the problem that needs to be solved urgently. In addition, with the gradually increase of urban construction activities of YiYang city, land development and construction of ZiShan lake area has been mentioned on the agenda. Through the landscape planning of ZiShan lake based on the function research, it is the new approach which realize the harmony and unification of the economic development and the good ecological environment of YiYang city.In the instruction of landscape ecological theory, recreational theory, planning theory, this article discussed theoretically the related concepts, the domestic and foreign research progress of park landscape planning and green-heart, analyzed the trait and problem of city central district, redefined the urban green-heart concept. After analyzing the domestic and foreign urban green-heart examples, this article came up with the principles, contents and procedure of park landscape planning based on urban green-heart concept. On the basis, took ZiShan lake park of YiYang city in hunan as the study area, this article proposed application research of park landscape planning based on urban green-heart concept.On the basis of the trait and problem of city central district, this article discussed preliminary on the relationship of the city central district and urban green-heart. In support of analyzing the function and 2 space models of urban green-heart from the macro and micro 2 functional hierarchies, this article redefined the urban green-heart concept, referenced the landscape construction practice of the domestic and foreign urban green-heart, quested planning principles, contents and procedure of park landscape planning based on urban green-heart concept. The article took ZiShan lake park of YiYang city as concrete research object, used GIS, diagram overlay, fieldwork and collect materials to analyze ZiShan lake summary, evaluate land suitability; analyzed urban green-heart function from comprehensive planning, urban green space system planning, city landscape pattern, city recreation space and ecological service function 5 aspects, attempted to use ecological service function equivalent measure ways to measure water ecological service function of ZiShan lake park. The results showed that the main ecological service function of ZiShan lake is storage and drainage water, provide agricultural production water for the lower farmland; the current ecological environment of ZiShan lake can satisfy ecological service function of city central district of YiYang city. In concrete landscape planning, this article emphasized preliminary analysis instruct the planning target and function orientation, urban green-heart function is apply to location evaluate and land use planning, master layout of ZiShan lake park, the results showed that park landscape planning based on urban greenheart concept can be more reasonable land use to green space of city central district, which also can instruct delimitation of green line. Based on this, the article completed the process that urban green-heart concept instructed park landscape planning, in the hope of providing references for the development and construction of ZiShan lake park.