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

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

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

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

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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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

Cite this article

Ma Zhenzhen , Wang Zhongjing , Gu Yanling , Xia Ting . 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[J]. Journal of Desert Research, 2015 , 35(1) : 253 -259 . DOI: 10.7522/j.issn.1000-694X.2014.00153

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