中国西北干旱区自然保护区生态脆弱性评价&mdash;&mdash;以甘肃西湖、苏干湖自然保护区为例

马真臻; 王忠静; 顾艳玲; 夏婷

doi:10.7522/j.issn.1000-694X.2014.00153

中国沙漠 >

2015 , Vol. 35 >Issue 1: 253 - 259

DOI: https://doi.org/10.7522/j.issn.1000-694X.2014.00153

生态与经济

中国西北干旱区自然保护区生态脆弱性评价——以甘肃西湖、苏干湖自然保护区为例

马真臻 ,
王忠静 ,
顾艳玲 ,
夏婷

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1. 中国水利水电科学研究院, 北京 100038;
2. 清华大学水利水电工程系/水沙科学与水利水电工程国家重点实验室, 北京 100084

马真臻(1984-),女,山东聊城人,博士,工程师,主要研究方向为水生态评价、水资源规划与管理.Email: mazhenzhen84@126.com

收稿日期: 2014-06-10

修回日期: 2014-09-27

网络出版日期: 2015-01-20

基金资助

中央分成水资源费项目(1261430112066);国家自然科学基金项目(91125018);水利部公益项目(201301081,201301082)

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Ecological Vulnerability Assessment of Nature Reserve in Arid Region of Northwest China: A case study of the Xihu Nature Reserve and the Suganhu Nature Reserve in Gansu

Ma Zhenzhen ,
Wang Zhongjing ,
Gu Yanling ,
Xia Ting

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1. China Institute of Water Resources and Hydropower Research, Beijing 100038, China;
2. Department of Hydraulic Engineering/State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China

Received date: 2014-06-10

Revised date: 2014-09-27

Online published: 2015-01-20

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摘要

依据中国西北干旱区生态环境的特性和演化规律,从气候条件、土地资源、生境状态及人为干预4方面筛选12个指标,构建西北干旱区自然保护区生态脆弱性评价指标体系,并对各指标进行分级.采用层次分析法确定指标权重,建立生态脆弱性综合评价模型.在甘肃敦煌西湖自然保护区和苏干湖自然保护区应用表明,指标体系合理,模型适用.评价认为,西湖自然保护区目前总体状态为中,高度脆弱,苏干湖自然保护区为轻,中度脆弱.在原生脆弱性方面,两者等级相当,但西湖更脆弱;在次生脆弱性方面,西湖已受到显著影响,次生脆弱性严重.

关键词： 生态脆弱性; 西北干旱区; 西湖自然保护区; 苏干湖自然保护区; 评价

本文引用格式

马真臻 , 王忠静 , 顾艳玲 , 夏婷 . 中国西北干旱区自然保护区生态脆弱性评价——以甘肃西湖、苏干湖自然保护区为例[J]. 中国沙漠, 2015 , 35(1) : 253 -259 . DOI: 10.7522/j.issn.1000-694X.2014.00153

Abstract

According to ecological characteristics and evolution process of the arid region of Northwest China, the ecological vulnerability evaluation index system for nature reserve in this area, which was composed of 12 representative factors from 4 aspects of climate condition, land resource, habit situation and human disturbance was established. Each indicator was graded and assigned a standard score individually. The method of Analytic Hierarchy Process (AHP) was used to calculate indices weight. The ecological vulnerability assessment model was build and was applied in the Xihu Nature Reserve and the Suganhu Nature Reserve. Results demonstrated that the evaluation index system was reasonable and the assessment model was applicable. Results of evaluation indicated that the Xihu Nature Reserve was in heavy vulnerability and the Suganhu Nature Reserve was in low-moderate vulnerability now. These two nature reserves were both in a certain high degree of native vulnerability, but the Xihu Nature Reserve was more vulnerable. The Xihu Nature Reserve was more influenced by the human activity and the secondary vulnerability was in the more serious situation.

Key words： ecological vulnerability; arid region of Northwest China; Xihu Nature Reserve; Suganhu Nature Reserve; assessment

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