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[1]LI Yimin,GUAN Chengwen,ZHU Jun.GIS-Based Ecological Sensitivity Analysis in Xingyun Lake Basin[J].Research of Soil and Water Conservation,2017,24(05):266-271,278.

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GIS-Based Ecological Sensitivity Analysis in Xingyun Lake Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 05 Page number: 266-271,278 Column: Public date: 2017-10-28

Title:: GIS-Based Ecological Sensitivity Analysis in Xingyun Lake Basin

Author(s):: LI Yimin^1,2, GUAN Chengwen^1,2, ZHU Jun^1,2; 1. College of Resource Environment and Earth Science, Yunnan University, Kunming 650091, China;
2. Key Laboratory of Pollution Process and Management of Lake Basin in Yunnan Province, Kunming 650034, China

Keywords:: ecological sensitivity; GIS; Xingyun Lake Basin; plateau lake basin

CLC:: X171.1

DOI:: -

Abstract:: Geographical Information System(GIS), and multi factor weighted sum model were used to analyze the ecological sensitivity and its distribution by selecting regionally representative factors according to environmental background in Xingyun Lake Basin. Four classes of ecological sensitivity ranging from high to low were generated: high sensitivity zone, moderate sensitivity zone, low sensitivity zone and non-sensitivity zone. The results indicate that the area percentages of the four classes are 104.08 km², 124.52 km², 102.78 km² and 39.30 km², respectively. The area of high sensitive area and moderately sensitive area are 228.60 km², accounting for 61.67% of the total area of the basin, which shows that ecological sensitivity in Xingyun Lake Basin is. The high ecological sensitivity mainly distributes in Jiangcheng town, Xiongguan township, Xingyun Lake and its rural area. It is suggested that the highly sensitive areas should be designated as the ecological protection areas, and the moderate sensitive areas should be defined as the control areas, the low sensitive areas and the non sensitive areas should be planned as the suitable development areas. The evaluation results can reflect the comprehensive ecological sensitivity of catchment characteristics, can be used in the area of land resources development and environmental construction, and provide the reference for similar topography of plateau lakes.

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