THE SPATIAL-TEMPORAL ANALYSIS OF ECOLOGICAL ENVIRONMENT OF RED BED HILLS IN EAST SICHUAN - TAKING LU COUNTY AS A CASE

Liu, H.; Liu, Y.; Wang, X.; Liu, J.

Good ecological environment is the foundation of human existence and development, the development of society and economy must be based on the premise of maintaining the stability and balance of the ecological environment. RS and GIS technology are used in this paper while the red-bed hills of Sichuan Province-Lu County have been taken as an example. According to the ecological environment characteristics of the study areas and the principle of choosing evaluation index, this paper selected six evaluation indicators (elevation, slope, aspect, vegetation cover, land use, gully density) to establish evaluation index system of ecological environment of Lu County. This paper determine the weight of each evaluation index by AHP (Analytic Hierarchy Process) and establishes a comprehensive evaluation model by the weighted comprehensive evaluation method. This model is used to divide the ecological environment quality of Lu County into excellent, good, middle, poor and worse, and to analyze the ecological environment change in Lu County in recent ten years.

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Liu, H. / Liu, Y. / Wang, X. / et al: THE SPATIAL-TEMPORAL ANALYSIS OF ECOLOGICAL ENVIRONMENT OF RED BED HILLS IN EAST SICHUAN - TAKING LU COUNTY AS A CASE. 2018. Copernicus Publications.

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