[1]吕广斌,廖铁军,姚秋昇,等.基于DPSIR-EES-TOPSIS模型的重庆市土地生态安全评价及其时空分异[J].水土保持研究,2019,26(06):249-258,266.
 Lü Guangbin,LIAO Tiejun,YAO Qiusheng,et al.Spatiotemporal Variation and Land Ecological Security and Its Evaluation in Chongqing City Based on DPSIR-EES-TOPSIS Model[J].,2019,26(06):249-258,266.
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基于DPSIR-EES-TOPSIS模型的重庆市土地生态安全评价及其时空分异()
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《水土保持研究》[ISSN:1005-3409/CN:61-1272/P]

卷:
26卷
期数:
2019年06期
页码:
249-258,266
栏目:
出版日期:
2019-10-17

文章信息/Info

Title:
Spatiotemporal Variation and Land Ecological Security and Its Evaluation in Chongqing City Based on DPSIR-EES-TOPSIS Model
作者:
吕广斌1 廖铁军1 姚秋昇2 邓薇3
1. 西南大学 资源环境学院, 重庆 400715;
2. 重庆市国土资源和房屋勘测规划院, 重庆 400020;
3. 贵州财经大学 公管学院, 贵阳 550025
Author(s):
Lü Guangbin1 LIAO Tiejun1 YAO Qiusheng2 DENG Wei3
1. School of Resources and Environment, Southwest University, Chongqing 400715, China;
2. Chongqing Land Resources and Housing Surveying and Planning Institute, Chongqing 400020, China;
3. College of Public Administration, Guizhou University of Finance and Economics, Guiyang 550025, China
关键词:
土地生态安全DPSIR—EES—TOPSIS模型时空分异重庆市
Keywords:
land ecological securityDPSIR-EES-TOPSIS modelspatiotemporal variationChongqing City
分类号:
X826;F301.24
摘要:
土地生态安全是生态环境保护以及区域生态文明建设的基础。以长江经济带的重要节点重庆市为研究对象,基于DPSIR-EES模型构建区域土地生态安全评价体系,在运用TOPSIS法揭示了重庆市土地生态安全整体变化状况的基础上,通过ESDA-GIS法开展了区域土地生态安全时空分异研究。结果表明:(1)2009-2016年,重庆市土地生态安全呈现波动上升的趋势,土地生态安全由"敏感级"向"良好级"转变;土地生态安全各子系统整体趋于好转;(2)2009-2016年,主城区土地生态安全有所退化,而渝西片区、渝东北片区、渝东南片区得以改善;总的来说,土地生态安全"敏感级"和"危险级"集中于主城区和渝西片区,而"临界级"和"良好级"主要分布在渝东北及渝东南片区;(3)重庆市土地生态安全存在较强的空间正相关和聚集性,其"高-高"和"低-低"值区呈现增加趋势,"高-高"和"低-低"值区的分布与自然生态状况、人类活动密切相关。研究结果能为区域的土地生态系统保护与社会经济可持续发展提供参考依据。
Abstract:
Land ecological security is the basis of ecological environmental protection and regional ecological civilization construction. Based on DPSIR-EES model, the evaluation system of regional land ecological security of Chongqing City which is an important node of the Yangtze River Economic Zone is constructed. On the basis of the overall change of land ecological security in Chongqing City diagnosed by TOPSIS method, the spatial and temporal differentiation of regional land ecological security is studied by using ESDA-GIS method. The results show that:(1) the land ecological security of Chongqing City presents the fluctuating upward trend, and changes from ‘sensitive level’ to ‘good level’, and the subsystems of land ecological security tend to improve as a whole from 2009 to 2016; (2) from 2009 to 2016, the land ecological security of the main urban area had deteriorated, while the western, northeastern and southeastern parts of Chongqing City had improved; to be specific, the ‘sensitive level’ and ‘dangerous level’ of land ecological security concentrate in the main urban area and the western part of Chongqing, while the ‘critical level’ and ‘good level’ mainly distribute in the northeastern and southeastern parts of Chongqing City; (3) land ecological security in Chongqing the presents the strong positive spatial correlation and aggregation, and its ‘high-high’ and ‘low-low’ value areas present the increasing trend, and the distribution of the value is closely related to the natural ecological conditions and human activities. The results of this study can provide the reference for the protection of regional land ecosystem and the sustainable development of social economy.

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备注/Memo

备注/Memo:
收稿日期:2019-01-06;改回日期:2019-02-20。
基金项目:教育部人文规划基金(15XJA790002);国家自然科学基金重点项目(41530855)
作者简介:吕广斌(1994-),男,四川邻水人,硕士研究生,研究方向为土地资源利用与规划。E-mail:403884060@qq.com
通讯作者:廖铁军(1961-),男,重庆合川人,教授,硕士生导师,主要从事土地资源利用与规划研究。E-mail:ltjhy-007@163.com
更新日期/Last Update: 1900-01-01