干旱影响生计脆弱性中的中介和调节效应

	干旱影响生计脆弱性中的中介和调节效应
其他题名	MEDIATING AND MODERATING EFFECTS IN THE IMPACT OF DROUGHT ON LIVELIHOOD VULNERABILITY
	苏美蕊 1; 刘鹏伟 2; 吴晓萍 3; 淮建军 4
	2019
发表期刊	中国农业资源与区划
ISSN	1005-9121
卷号	40 期号:1 页码:201-209
摘要	The impact of cross-scale variables on livelihood vulnerability under climate change is mostly qualitative study,and empirical studies are rarely conducted.Therefore,the peper used empirical analysis to explore the role of cross-scale variables in the impact of drought on livelihood vulnerability.Based on the survey data of 218 households in the Loess Plateau,the mediating and moderating effects of cross-scale variables in the impact of drought on livelihood vulnerability were investigated by the linear regression and hierarchical regression analysis.The results showed that drought had a significant impact on the livelihood vulnerability of rural households.In the process of drought impacting on livelihood vulnerability,the " age of household head,perceived maximum temperature,rainfall changes,drought degree changes,and post-disaster information channels" at the scale of persons and the " wholesale markets' distance and village fairs' distance" at the scale of households played a moderating role;the " three generations of immediate family members' number of households and production machinery index" at the scale of the households played a mediating role;and the " engineering measures" had neither played a moderating role nor a mediating role at the scale of village.This paper used mediating and moderating effects to reflect the interaction of cross-scale variables,provided scientific methods in the empirical research of cross-scale effects,and made up for the gaps in existing research.This provides a scientific and effective basis for formulating policies to reduce the livelihood vulnerability of rural households.
其他摘要	[目的]气候变化下跨尺度变量对生计脆弱性的影响多数为定性研究,很少进行实证研究,文章通过实证分析探索跨尺度变量在干旱影响生计脆弱性中的作用。[方法]基于黄土高原218个农户调查数据,采用线性回归和层次回归分析跨尺度变量在干旱影响生计脆弱性中的中介和调节效应。[结果]干旱对农户生计脆弱性有显著影响。在干旱影响生计脆弱性的过程中,个人尺度的户主年龄、感知的气温最大值、降雨量变化、干旱程度变化和灾后信息渠道与农户尺度的批发市场距离和集市距离起到了调节作用;农户尺度的三代直系亲属的户数和生产机械指数起到了中介作用;而村庄尺度的工程措施,既没起到中介作用,也没起到调节作用。[结论]用中介和调节效应反映了跨尺度变量的交互作用,在跨尺度效应的实证研究方面提供了科学的方法,弥补了现有研究的空白,这为制定减少农户生计脆弱性的政策提供了科学有效的依据。
关键词	农户干旱生计脆弱性中介效应调节效应 households drought livelihood vulnerability mediating effect moderating effect
收录类别	CSCD
语种	中文
WOS关键词	Business & Economics
WOS研究方向	Social Sciences
WOS类目	ECONOMICS
CSCD记录号	CSCD:6458463
引用统计
文献类型	期刊论文
专题	任务一_子任务一循证社会科学证据集成任务一
作者单位	1.西北农林科技大学经济管理学院, 杨凌, 陕西 712100, 中国 2.西北农林科技大学经济管理学院, 杨凌, 陕西 712100, 中国 3.西北农林科技大学经济管理学院, 杨凌, 陕西 712100, 中国 4.西北农林科技大学经济管理学院, 杨凌, 陕西 712100, 中国
推荐引用方式 GB/T 7714	苏美蕊,刘鹏伟,吴晓萍,等. 干旱影响生计脆弱性中的中介和调节效应[J]. 中国农业资源与区划,2019,40(1):201-209.
APA	苏美蕊,刘鹏伟,吴晓萍,&淮建军.(2019).干旱影响生计脆弱性中的中介和调节效应.中国农业资源与区划,40(1),201-209.
MLA	苏美蕊,et al."干旱影响生计脆弱性中的中介和调节效应".中国农业资源与区划 40.1(2019):201-209.