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[1]ZHANG Wei,WANG Jia-zhuo,REN Xi-yan,et al.GIS-based Ecological Sensitivity Analysis of Mountainous Areas[J].Research of Soil and Water Conservation,2013,20(03):44-47,54.

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GIS-based Ecological Sensitivity Analysis of Mountainous Areas

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 03 Page number: 44-47,54 Column: Public date: 2013-06-28

Title:: GIS-based Ecological Sensitivity Analysis of Mountainous Areas

Author(s):: ZHANG Wei¹, WANG Jia-zhuo¹, REN Xi-yan¹, GAO Jun-hai¹, HE Ge²; 1. China Academy of Urban Planning and Design, Beijing 100037, China;
2. China Academy of Urban Planning and Design in Shenzhen, Shenzhen, Guangdong 518040, China

Keywords:: ecological sensitivity; ecological function region; GIS; mountainous areas

CLC:: TU982.2

DOI:: -

Abstract:: Ecological sensitivity analysis is frequently used in urban planning. A typical mountainous city (Gucheng county) is studied. Five factors are selected to evaluate the eco-sensitivity, including slope, elevation, vegetation cover, geologic hazards, and buffer zone of rivers. Ecological sensitivity is classified into five grades, that is extreme sensitivity, strong sensitivity, moderate sensitivity, slight sensitivity and insensitivity. The overall ecological sensitivity is evaluated and displayed on space scale by using analytic hierarchy process (AHP) and spatial analysis in Geographical Information System (GIS). The area percentages of the five grades are 23.96%, 13.56%, 36.68%, 17.26% and 8.54%, respectively. Ecological function regions are determined based on the evaluation results and advice for each region is given respectively to provide the scientific support for urban planning and land use aiming to reduce the risk of ecosystem damage.

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