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中国沙漠  2020, Vol. 40 Issue (4): 63-70    DOI: 10.7522/j.issn.1000-694X.2020.00022
    
典型沙漠化逆转区人地系统脆弱性及其障碍因子
陈勇1(),周立华2(),王伟伟1,侯彩霞3
1.中国科学院西北生态环境资源研究院 沙漠与沙漠化重点实验室,甘肃 兰州 730000
2.中国科学院科技战略咨询研究院,北京 100190
3.西安建筑科技大学 管理学院,陕西 西安 710055
Man-land system vulnerability and obstacles in a typical desertification reversion area
Yong Chen1(),Lihua Zhou2(),Weiwei Wang1,Caixia Hou3
1.Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
2.Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
3.School of Management, Xi’an University of Architecture and Technology, Xi’an 710055, China
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摘要:

针对已修复生态地区人地系统脆弱性及其干扰因素的研究,对实现区域可持续发展具有重要的意义。采用综合指数评价方法,从生态、经济和社会3个方面确定9项分指数、选取24个具体指标,构建了典型沙漠化逆转区人地系统脆弱性评价指标体系,对盐池县人地系统脆弱性进行了定量评价,运用障碍度模型分析了盐池县人地系统脆弱性的障碍因素。结果表明:盐池县经济、生态和社会系统脆弱性均呈波动走势,但又表现出相应的阶段特征。经济系统脆弱性伴随经济结构的转型,呈现先降后升的趋势。生态系统受气候和政策双重影响,以2000年为节点呈现前后不同的波动走势。社会系统在研究时段呈明显的线性递减趋势。盐池县人地系统脆弱性2000年前呈高位波动态势,2000年后整体波动递减,平均降幅32.06%;主要障碍因子为:欠合理的产业结构、特殊的地理区位、生态治理力度和社会保障水平。建议:加快推进产业结构转型升级;生态保护与开发并举,践行绿色发展;减小贫富差距,继续加强社会保障建设。

关键词: 沙漠化逆转区人地系统脆弱性障碍因子盐池县    
Abstract:

Research on the assessment of the vulnerability of man-land system and its disturbing factors in restored ecological areas is of great significance to improve regional quality and promote sustainable development. In this study, using a comprehensive index assessment method, we selected 9 subindexes involving 24 specific parameters from 3 aspects (ecological system, economic system and social system) to construct a comprehensive index system for the assessment of Yanchi County’s vulnerability. The obstacle factors of man-land system vulnerability in Yanchi County were analyzed by using the obstacle degree model. This study revealed that the vulnerability of Yanchi County's economic, ecological and social systems fluctuates, but it also shows corresponding stage characteristics. With the transformation of economic structure, the vulnerability of economic system shows the trend of decreasing first and then rising. The ecosystem is affected by climate and policy, and shows different fluctuation trend with the transition of 2000. The social system showed an obvious linear decreasing trend during the research period. The vulnerability of Yanchi County’s man-land system fluctuated at a high level before 2000, and declined gradually after 2000, with an average decline of 32.06%. The main obstacles are unreasonable industrial structure, special geographical location, ecological governance and social security level. According to the research results, the following suggestions are put forward: firstly, accelerate the transformation and upgrading of industrial structure; secondly, combine ecological protection and development to practice green development; thirdly, reduce the gap between rich and poor, and continue to strengthen social security construction.

Key words: desertification reversal area    man-land system vulnerability    obstacles    Yanchi County
收稿日期: 2020-01-13 出版日期: 2020-09-01
ZTFLH:  F205  
基金资助: 国家自然科学基金项目(41601587);国家重点研发计划项目(2018YFA0606402)
通讯作者: 周立华     E-mail: chenyong@lzb.ac.cn;lhzhou@casisd.cn
作者简介: 陈勇(1985—),男,山东邹城人,博士,助理研究员,研究方向为生态经济与区域可持续发展。 E-mail: chenyong@lzb.ac.cn
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引用本文:

陈勇,周立华,王伟伟,侯彩霞. 典型沙漠化逆转区人地系统脆弱性及其障碍因子[J]. 中国沙漠, 2020, 40(4): 63-70.

Yong Chen,Lihua Zhou,Weiwei Wang,Caixia Hou. Man-land system vulnerability and obstacles in a typical desertification reversion area. Journal of Desert Research, 2020, 40(4): 63-70.

链接本文:

http://www.desert.ac.cn/CN/10.7522/j.issn.1000-694X.2020.00022        http://www.desert.ac.cn/CN/Y2020/V40/I4/63

目标层准则层指标层单位
生态子系统脆弱性植被特征指数NDVI-
NPP-
气候特征指数干燥度指数-
生态政策投入指数单位草原生态补贴性投入元·hm-2
生态造林面积hm2
经济子系统脆弱性产业结构指数第三产业增加值占GDP比重%
牧业产值比重%
经济效率指数规模以上工业企业资产负债率%
规模以上工业企业万元GDP能耗(标准煤)t
农业投入产出率%
创新投入指数科技支出占地方财政支出比重%
社会子系统脆弱性人类发展指数人口自然增长率%
普通中学在校学生数
千人医护人员数
人均居住面积m2
人均GDP
基础设施保障指数百人拥有电话数
人均道路面积m2
自来水供应量t
百人拥有公共汽车数
社会环境脆弱性指数城乡差异指数%
城镇登记失业率%
基本养老保险参加人口比重%
最低生活保障人口比重%
表1  典型沙漠化逆转区人地系统脆弱性评价指标体系
图1  1985—2015年盐池县各子系统脆弱性走势
图2  1985—2015年盐池县人地系统脆弱性走势
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