基于PSR模型的鄱阳湖流域水资源-经济-生态 韧性时空差异及影响因素分析
【目的】探明鄱阳湖流域水资源-经济-生态系统韧性的时空差异特征及其背后的影响机制。【方法】以鄱阳湖流域11个地市为例,基于压力-状态-响应(PSR)模型构建评价指标体系,运用熵权法计算指标权重,采用综合评价法分析11个地市压力-状态-响应韧性的时空分布特征,借助地理探测器对鄱阳湖流域水资源-经济-生态韧性的主要影响因子及因子交互作用进行探测。【结果】①2010—2020年鄱阳湖流域压力韧性、响应韧性和综合韧性评价指数基本呈逐年上升的态势,状态韧性逐年变化不显著,大部分地区处于较低韧性水平;②2010—2020年鄱阳湖流域各地市压力-状态-响应韧性空间上呈高低交错分布的格局,从3个维度来看,区域...
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Published in | Guanʻgai paishui xuebao Vol. 44; no. 6; p. 61 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
Xinxiang City
Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
01.06.2025
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Subjects | |
Online Access | Get full text |
ISSN | 1672-3317 |
DOI | 10.13522/j.cnki.ggps.2024361 |
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Abstract | 【目的】探明鄱阳湖流域水资源-经济-生态系统韧性的时空差异特征及其背后的影响机制。【方法】以鄱阳湖流域11个地市为例,基于压力-状态-响应(PSR)模型构建评价指标体系,运用熵权法计算指标权重,采用综合评价法分析11个地市压力-状态-响应韧性的时空分布特征,借助地理探测器对鄱阳湖流域水资源-经济-生态韧性的主要影响因子及因子交互作用进行探测。【结果】①2010—2020年鄱阳湖流域压力韧性、响应韧性和综合韧性评价指数基本呈逐年上升的态势,状态韧性逐年变化不显著,大部分地区处于较低韧性水平;②2010—2020年鄱阳湖流域各地市压力-状态-响应韧性空间上呈高低交错分布的格局,从3个维度来看,区域压力韧性和综合韧性空间差异不大,各地级市压力韧性普遍较高;状态韧性和响应韧性由中部向南北升高,分布较分散,整体韧性水平有待提升;③经济因素对水资源-经济-生态系统韧性的影响作用有所增强,人均GDP、产业结构和生态本底交互作用对系统韧性的影响显著。【结论】综上所述,加强流域整体规划、流域水资源管理与污染防治,转变农业生产方式,能有效提高流域水资源-经济-生态韧性,实现流域水资源利用、经济发展和生态保护的协调可持续发展。 |
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AbstractList | 【目的】探明鄱阳湖流域水资源-经济-生态系统韧性的时空差异特征及其背后的影响机制。【方法】以鄱阳湖流域11个地市为例,基于压力-状态-响应(PSR)模型构建评价指标体系,运用熵权法计算指标权重,采用综合评价法分析11个地市压力-状态-响应韧性的时空分布特征,借助地理探测器对鄱阳湖流域水资源-经济-生态韧性的主要影响因子及因子交互作用进行探测。【结果】①2010—2020年鄱阳湖流域压力韧性、响应韧性和综合韧性评价指数基本呈逐年上升的态势,状态韧性逐年变化不显著,大部分地区处于较低韧性水平;②2010—2020年鄱阳湖流域各地市压力-状态-响应韧性空间上呈高低交错分布的格局,从3个维度来看,区域压力韧性和综合韧性空间差异不大,各地级市压力韧性普遍较高;状态韧性和响应韧性由中部向南北升高,分布较分散,整体韧性水平有待提升;③经济因素对水资源-经济-生态系统韧性的影响作用有所增强,人均GDP、产业结构和生态本底交互作用对系统韧性的影响显著。【结论】综上所述,加强流域整体规划、流域水资源管理与污染防治,转变农业生产方式,能有效提高流域水资源-经济-生态韧性,实现流域水资源利用、经济发展和生态保护的协调可持续发展。 |
Author | LI Lanhai XU Bingxian YU, Jie LI Xiuxiang FU Shuai FENG Yingxiang PENG Yuxin |
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SubjectTerms | Agricultural practices Ecological adaptation Ecological function Economic development Economic factors Entropy (statistics) Environmental changes Evaluation Human influences Lake basins Lakes Metropolitan areas Pollution control Resilience Sustainable use Variation Water pollution Water resources Water resources management Weighting methods |
Title | 基于PSR模型的鄱阳湖流域水资源-经济-生态 韧性时空差异及影响因素分析 |
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