自然资源学报 ›› 2019, Vol. 34 ›› Issue (9): 1987-2000.doi: 10.31497/zrzyxb.20190914
石育中1,2, 杨新军2, 赵雪雁1
收稿日期:
2019-02-25
修回日期:
2019-06-19
出版日期:
2019-09-28
发布日期:
2019-09-28
通讯作者:
杨新军(1972- ),男,陕西扶风人,博士,教授,博士生导师,研究方向为旅游地理学与人地关系的社会—生态整合研究。E-mail: 作者简介:
石育中(1988- ),男,甘肃礼县人,博士,讲师,研究方向为社会—生态系统脆弱性与区域可持续发展。E-mail: syz19880919@126.com
基金资助:
SHI Yu-zhong1,2, YANG Xin-jun2, ZHAO Xue-yan1
Received:
2019-02-25
Revised:
2019-06-19
Online:
2019-09-28
Published:
2019-09-28
摘要: 干旱影响研究是干旱及半干旱地区人地关系研究的重要内容,社会—生态系统的视角为西北地区生态脆弱—贫困区的可持续性研究提供了新的思路。选取甘肃省榆中县为研究区,运用标准化降水指数、干旱经济损失估算模型和GIS分析工具,分析干旱对粮食产量、经济发展和农户家庭的影响,归纳干旱对乡村社会—生态系统的影响机制。研究结果表明:(1)1960-2015年,榆中县气象干旱程度较强,且与粮食产量呈显著正相关,尤其对榆中县南、北部山区的粮食产量影响显著;(2)气象干旱造成的经济损失具有频率高和空间分布广的特征,经济损失严重区集中在榆中县南、北部山区;(3)农户家庭受灾面积较大,农作物减产和家庭收入损失明显,气象干旱造成的粮食安全问题严重,且“纯农型”家庭收入损失和粮食安全问题尤为突出;(4)水资源利用环、产量环、收入环—生计环和经济环为干旱影响社会—生态系统运行机制的关键环节。
石育中, 杨新军, 赵雪雁. 气象干旱对甘肃省榆中县乡村社会—生态系统的影响[J]. 自然资源学报, 2019, 34(9): 1987-2000.
SHI Yu-zhong, YANG Xin-jun, ZHAO Xue-yan. Impacts of meteorological drought on social-ecological system in rural areas of Yuzhong county in Gansu province[J]. JOURNAL OF NATURAL RESOURCES, 2019, 34(9): 1987-2000.
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