Evaluation and analysis of water ecological security in the Yellow River basin based on SMI-P method
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摘要：
为了响应黄河流域生态保护和高质量发展重大国家战略,改善黄河流域水生态环境,亟须评估流域水生态安全状况,因地制宜保护与修复生态系统.选取黄河流域62个地级行政区,基于“压力-状态-响应”(Pressure-State-Response,PSR)模型选取15个指标构建评价指标体系,采用“单指标量化-多指标综合-多准则集成”(SMI-P)评价方法,计算2009-2019年流域各地级行政区水生态安全指数(Water Ecological Security Index,WESI),并采用空间自相关模型分析各地级行政区的水生态安全水平的集聚性特征和空间分布.结果表明,黄河流域水生态安全水平逐年上升,WESI由2009年的0.42上升至2019年的0.45,增幅达7.14%,流域整体呈现四周高中间低的空间布局,近十年来流域62地级行政区的WESI具有明显的正相关性,且空间聚集程度呈现先上升后下降的趋势.
In order to respond to the strategy of ecological protection and high-quality development of the Yellow River basin and improve the water ecological environment of the Yellow River basin,it is urgent to assess the water ecological security of the basin and restore and protect the ecosystem according to local conditions.In this paper,62 prefect-level districts in the Yellow River basin were selected to construct a scientific index system based on thepressure-state-response(PSR)model with 15 indicators.Thesingle index quantization-Multiple index synthesis-Multiple criteria integration(SMI-P)model was used to calculate the water ecological security index(WESI)of each district in the Yellow River basin from 2009 to 2019.The spatial autocorrelation model was used to analyze the clustering characteristics and spatial distribution of water ecological security level in each region.The results show that the level of water ecological security in the Yellow River basin increased year by year,and the WESI increased from 0.42 in 2009 to 0.45 in 2019,with an increase of 7.14%.The overall spatial layout of the Yellow River basin was high around and low in the middle.In the past ten years,the WESI of the 62 prefectural-level regions in the Yellow River basin had an obvious positive correlation,and the spatial aggregation degree showed a trend of rising first and then decreasing.
作者：
左其亭 杨振龙 曹宏斌 马军霞
Zuo Qiting;Yang Zhenlong;Cao Hongbin;Ma Junxia(School of Water Conservancy Engineering,Zhengzhou University,Zhengzhou 450001,China;Yellow River Institute for Ecological Protection&Regional Coordination Development,Zhengzhou University,Zhengzhou 450001,China;Henan Yubei Water Conservancy Engineering Administration Bureau,Xinxiang 453002,China)
机构地区：
郑州大学水利科学与工程学院 郑州大学黄河生态保护与区域协调发展研究院 河南省豫北水利工程管理局
出处：
《betway官方app 学报：自然科学版》 CAS 北大核心 2022年第3期10-19,F0002,共11页
Journal of Henan Normal University(Natural Science Edition)
基金：
国家自然科学基金(51779230) 河南省重大公益性科技专项(201300311500).
关键词：
黄河流域 水生态安全 SMI-P评价方法 空间自相关
the Yellow River basin water ecological security SMI-P evaluation method spatial autocorrelation
分类号：
TV213.4 [水利工程—水文学及水资源]
