Analysis On Yangtze River Delta Landscape Pattern And Its Application

Analysis on landscape pattern is the basic content of landscape ecology, and it has significant meaning in understanding the structural feature of the object fully. Landscape structure and its function interact on each other. Structure is the basic of function, and the basic of function implementation is that ecosystem has an orderly structure. Different structure has different function and type. Different landscape pattern has the corresponding function. Landscape ecological planning should make sure of the integrity of landscape ecological function, and should follow the intrinsic characteristics of the natural resources and social economy condition. So its necessary to analysis the landscape structure first, then analysis the ecological function of regional landscape in order to find the defects of this landscape pattern, and analysis the characteristics of landscape resource. All these are the basis for the optimization of regional landscape pattern and its function.1. Analysis the natural condition and social economy, then we use the data of land use, the distribution of administrative division and fieldwork data to divide the Yangtze River Delta landscape into nine parts. They are paddy field, dry land, woodland, grassplot, water area, town land, resident land in countryside, other constructive land, and unused land. After all these are done, we protract the landscape pattern graph of Yangtze River Delta.2. Select special landscape pattern index, do some research on the analysis of landscape plaque character, landscape heterogeneity, and so on, in order to analysis Yangtze River Delta landscape pattern. We understand the Yangtze River Delta landscape pattern in more details, and summarize the advantages and disadvantages of the landscape pattern in this area. The concrete contents are as follows:â‘ Advantage of Yangtze River Delta landscape pattern: ?There are many kinds of landscape resource in Yangtze River Delta, and each area has its own characteristic in landscape resource.â‘¡The center and northern of Yangtze River Delta have large water area, while the southern has lager woodland. On this basis, we can construct landscape ecological corridor, in order to accelerate the material and energy cycle of the ecosystem in this area.â‘¢Paddy fields in intensive development area of Jiangsu, Zhejiang and Shanghai and in center of Jiangsu are dense, especially in the center of Jiangsu province. It is convenient for intensive cropping. Low hill area in the north of Zhejiang and coast area in the north-east of Zhejiang have large area of wood. The artificial disturbances of them are not great, so woodland is preserved well.(2)Although the Yangtze River delta area scenic resources is rich, and has very many superiority, but it still inevitable existence some flaws, In this region, the countryside residential area uses extremely to disperse, is easy to cause a series of negative influences, like resources repetition disposition, pollution from space and so on. The land has not used, namely the land reserve resources is insufficient, moreover disperses scattered, inconveniences to the large-scale use.on the base of landscape pattern analysis, use the GIS technique to dispose LUCC, conceive the ecological net frame from point to line, and show the ecological source area and ecological corridor from line to point. Base on the advantage and disadvantage, give the propose of district ecological harmony policy and optimizing management...