A GIS-based decision support system for regional eco-security assessment and its application on the Tibetan Plateau

被引：58
作者：
Wang Xiaodan [1 ]
Zhong Xianghao [1 ]
Gao Pan [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Mt Environm Evolvement & Regulat, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
来源：
JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2010年 / 91卷 / 10期
关键词：
Eco-security; Decision support system; GIS; Pressure-state-response model; Analytic hierarchy process; Tibetan plateau; MULTICRITERIA EVALUATION; ENVIRONMENTAL VULNERABILITY; STATISTICAL APPROACH; ECOLOGICAL SECURITY; CLASSIFICATION; METHODOLOGY; ECOSYSTEMS; KNOWLEDGE; MODELS; RECORD;
D O I：
10.1016/j.jenvman.2010.05.006
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Regional eco-security assessment is an intricate, challenging task. In previous studies, the integration of eco-environmental models and geographical information systems (GIS) usually takes two approaches: loose coupling and tight coupling. However, the present study used a full coupling approach to develop a GIS-based regional eco-security assessment decision support system (ESDSS). This was achieved by merging the pressure-state-response (PSR) model and the analytic hierarchy process (AHP) into ArcGIS 9 as a dynamic link library (DLL) using ArcObjects in ArcGIS and Visual Basic for Applications. Such an approach makes it easy to capitalize on the GIS visualization and spatial analysis functions, thereby significantly supporting the dynamic estimation of regional eco-security. A case study is presented for the Tibetan Plateau, known as the world's "third pole" after the Arctic and Antarctic. Results verified the usefulness and feasibility of the developed method. As a useful tool, the ESDSS can also help local managers to make scientifically-based and effective decisions about Tibetan eco-environmental protection and land use. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1981 / 1990
页数：10
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