| Zhengzhou is the capital of Henan Province, national historical and cultural city, and also outstanding tourist city. Zhengzhou is located in the central part of China, with very convenient transportation and important geographical position. With rapid development of urban construction in Zhengzhou, the demand for landscape ecological construction of urban green space system increases greatly. However, with lack of theoretical study on green space construction plan of zhengzhou in recent years, gardening and afforestation based on experience and subjective ideas have many problems. According to landscape ecology, in accordance with the theory of urban planning, ecology and landscape, and based on qualitative and quantitative analysis, the paper firstly analyses landscape ecological construction indicators about green space such as landscape composition, landscape diversity index, landscape dominance index, landscape evenness index, landscape fragmentized degree, landscape corridor density, and public green plot area etc., and start the research of landscape ecological construction of green space system in Zhengzhou. The study shows that landscape diversity index of green space at present in Zhengzhou is low, landscape fragmentized degree high, and there are many other problems such as small area of green space, imbalance development of greening between units, little consideration on greening for road planning, lack of urban protective green space system, and few small and medium public green plots etc. ; in general, Jinshui District has quality landscape of green space, and the two districts, Erqi District and Mangshan District, and the new district have many problems like high landscape fragmentized degree, low landscape diversity index, and ecological functions of green space not fully realized. Based on the study, and in accordance with the goal to be national garden city, the paper puts forward 8 principles to strengthen landscape ecological construction of urban green space in... |
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