新疆绿洲城市生态环境系统脆弱性分析

摘要/Abstract

摘要： 基于对脆弱性概念的理解,在对绿洲城市生态系统脆弱性概念的界定的基础上,运用熵值法,对新疆绿洲城市生态环境系统脆弱性进行评价研究。结果表明:①绿洲城市规模越大,生态环境系统脆弱性越大;②在不同发展类型城市中以工业、石油开采业为主导产业的城市脆弱性较大,以商贸、旅游和农畜牧业加工为主导产业城市脆弱性较小;③从空间分布来看,生态环境系统脆弱性呈现出东疆>北疆>南疆的特征;④绿洲城市生态环境系统对环境污染、能源和水资源消耗量等扰动具有较高的敏感性,这一特征对绿洲城市生态环境系统脆弱性的影响更为显著。最后根据不同城市脆弱性特征将其划分为4种类型。

关键词: 绿洲城市, 脆弱性, 生态环境系统, 熵值法

Abstract: Based on the definition of ecological environment system vulnerability of oasis cities, the entropy method was used to assess the vulnerability of the ecological environment system of oasis cities in Xinjiang. Results showed that: (1) The ecological environment system become more vulnerable with the increase of the spatial scale of oasis cities. (2) Among the oasis cities with different development types, cities with industry and oil exploitation as dominant industries are more vulnerable than those with business and trade, tourism and primary processing of agricultural products as dominant industries. (3) The east Xinjiang is more vulnerable than the north Xinjiang, and the north Xinjiang is more vulnerable than south Xinjiang. (4) The main factors that affect the vulnerability of the ecological environment system of oasis cities are the system's sensitivity to environment pollution, the consumption of energy and water resources. Finally, the 21 oasis cities in Xinjiang are categorized into four types according to their ecological environment vulnerability characteristics.

Key words: oasis city, vulnerability, ecological environment system, entropy method

中图分类号:

X144

高超, 雷军, 金凤君, 张小雷. 新疆绿洲城市生态环境系统脆弱性分析[J]. 中国沙漠, 2012, 32(4): 1148-1153.

GAO Chao, LEI Jun, JIN Feng-jun, ZHANG Xiao-lei. Analysis on Vulnerability of Ecological Environment System of Oasis Cities in Xinjiang[J]. JOURNAL OF DESERT RESEARCH, 2012, 32(4): 1148-1153.

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