Spatio-temporal Variation of Ecological Environment Vulnerability in Liangshan Region

YAO Kun; WU Liang; XIANG Hengxing; HE Chao; LIU Hanhu

doi:10.13961/j.cnki.stbctb.2017.01.058

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Spatio-temporal Variation of Ecological Environment Vulnerability in Liangshan Region

- Spatio-temporal Variation of Ecological Environment Vulnerability in Liangshan Region
- Bulletin of Soiland Water Conservation Vol. 37, Issue 1, Pages: 329-334(2017)
- 作者机构：
  
  1. 成都理工大学国土资源部地学空间信息技术重点实验室,四川,成都,610059
  2. 水利部新疆水利水电勘测设计研究院测绘工程院,新疆,昌吉,831117
  3. 延边大学理学院地理系, 吉林延吉,133000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2017.01.058
  CLC：
- Published：2017
- 稿件说明：
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YAO Kun, WU Liang, XIANG Hengxing, et al. Spatio-temporal Variation of Ecological Environment Vulnerability in Liangshan Region[J]. Bulletin of Soiland Water Conservation, 2017, 37(1): 329-334.
DOI：

YAO Kun, WU Liang, XIANG Hengxing, et al. Spatio-temporal Variation of Ecological Environment Vulnerability in Liangshan Region[J]. Bulletin of Soiland Water Conservation, 2017, 37(1): 329-334. DOI： 10.13961/j.cnki.stbctb.2017.01.058.

摘要

[目的] 了解凉山地区2000—2010年生态环境脆弱性动态变化状况，为地区生态环境治理与保护提供参考依据。[方法] 将RS与GIS技术相结合，以生态敏感性—生态恢复力—生态压力度（SRP）为模型选取16个评价指标，利用空间主成分综合与动态变化分析模型从时间与空间相结合角度，对凉山地区2000—2010年生态环境脆弱性动态变化进行定量分析。[结果] 凉山地区生态环境脆弱性整体呈现南高北低的分布规律，就单一动态度而言潜在脆弱最大中度脆弱最小，就综合动态度分析该地区整体变化速度接近中度水平，而生态脆弱性综合指数则反映出该地区整体生态环境脆弱性有缓慢恶化趋势。[结论] 凉山地区生态环境脆弱性空间分布规律明显，生态环境治理力度仍需加大。

Abstract

[Objective] The paper aims to understand the dynamic change of ecological environment vulnerability in Liangshan region from 2000 to 2010

and to provide references for regional ecological environment management and protection.[Methods] Using the technologies of RS and GIS and taking ecological sensitivity-resilience-pressure(SRP) model

we selected 16 evaluation indicators to conduct quantitative analysis on the spatio-temporal change of ecological environment vulnerability in Liangshan region during in 2000—2010.[Results] The ecological environment vulnerability of Liangshan region exhibited an overall trend of higher in south and lower in north; In terms of the single dynamic degree

the potential vulnerability was highest while moderate vulnerability was lowest

and the region's overall change speed was close to moderate level based on the comprehensive dynamic analysis

but the comprehensive index of ecological vulnerability indicated that the whole ecological environment vulnerability of the region exhibited a slow deteriorating trend.[Conclusion] The spatial distribution of ecological environment vulnerability in Liangshan region is obvious

and the ecological environment control efforts need to be strengthen.

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