Social Ecosystem Based on Peasant Household Versus Drought Resilience -A Case Study in Yuzhong County of Gansu Province

WANG Xingyu; WANG Jun; BAI Hongying; LIU Wenzhao; SUN Jing

doi:11894/1005-829x.2008.28(1).14

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Social Ecosystem Based on Peasant Household Versus Drought Resilience -A Case Study in Yuzhong County of Gansu Province

- Social Ecosystem Based on Peasant Household Versus Drought Resilience -A Case Study in Yuzhong County of Gansu Province
- Bulletin of Soiland Water Conservation Vol. 27, Issue 1, Pages: 14-18(2008)
- 作者机构：
  
  1. 西北大学城市与资源学系,陕西,西安,710127
  2. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：11894/1005-829x.2008.28(1).14
  CLC： X171.4P333.4
- Published：2008
- 稿件说明：
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WANG Xingyu, WANG Jun, BAI Hongying, et al. Social Ecosystem Based on Peasant Household Versus Drought Resilience -A Case Study in Yuzhong County of Gansu Province[J]. Bulletin of Soiland Water Conservation, 2008, 27(1): 14-18.
DOI：

WANG Xingyu, WANG Jun, BAI Hongying, et al. Social Ecosystem Based on Peasant Household Versus Drought Resilience -A Case Study in Yuzhong County of Gansu Province[J]. Bulletin of Soiland Water Conservation, 2008, 27(1): 14-18. DOI： 11894/1005-829x.2008.28(1).14.

摘要

频繁发生的旱灾已成为限制我国西北半干旱区农业发展和生态环境建设的主要气象因子。以甘肃省榆中县为例

基于农户问卷调查

结合GIS技术

从社会、经济和生态三个角度选择水分敏感因子

构建社会-生态系统

然后根据修正的脆弱度概念性模型计算出干旱环境下农户尺度上社会-生态系统恢复力

并对造成恢复力差异的原因进行了分析。结果表明

榆中县农户社会生态系统对干旱的恢复力依赖于外部胁迫压力(干旱)和内部因素(社会

经济

生态)之间的相互作用。户人口数量、土壤湿度和土壤养分是3个区域农户社会-生态系统共同的水分敏感因子;而其它指标则属于局部区域农户社会-生态系统的水分敏感因子。

Abstract

Frequent drought disaster has been the crucial meteorological factor limiting the agricultural development and eco-environmental construction in the northwest area of China. Based on the household question-naire

the resilience of social-ecological system to droughtin Yuzhong County

Gansu Province was studied by integrating statistical approaches and GIS. Water-sensitive factors were selected in view of society

economy

and ecology so as to build social-ecological systems. The resilience of the systems was then calculated at the household level under arid environment according to the modified conceptual model of fragility degree. Results indicate that the resilience of Yuzhong County depends on the interactions between internal factors (social

economical

and ecological) and external factors (drought). Population quantity

soil moisture

and soil nutrients are the common water-sensitive factors to the household social-ecological systems in the three regions

whereas others belong to local villages.

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