丹江口库区生态安全的时空演变规律及其调控措施

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英文篇名：Spatial-temporal Evolution of Eco-security and Control Measures of Danjiangkou Reservoir Area 作者：彭哲 ; 郭宇 ; 郝仕龙 ; 侯梅芳 英文作者：Peng Zhe;Guo Yu;Hao Shilong;Hou Meifang;Land Consolidation Center of He’nan Province;School of Ecology Technology and Engineering,Shanghai Institute of Technology;School of Resources and Environment,North China University of Water Resources and Electric Power; 关键词：生态安全 ; 时空演变 ; 驱动力 ; 淅川县 ; 南水北调 英文关键词：eco-security;;spatial-temporal evolution;;driving force;;Xichuan County;;south to north water diversion project 中文刊名：水土保持通报 英文刊名：Bulletin of Soil and Water Conservation 机构：河南省土地中心;上海应用技术大学生态技术与工程学院;华北水利水电大学资源与环境学院; 出版日期：2019-02-15 出版单位：水土保持通报 年：2019 期：01 基金：河南省国土资源厅土地科技项目“土地整治对土地利用及生态服务价值影响研究”(豫国土资发〔2018〕125号);; 水利部黄土高原水土流失过程与控制重点实验室开放课题基金资助项目(201603) 语种：中文; 页：218-225 页数：8 CN：61-1094/X ISSN：1000-288X 分类号：X826

摘要

[目的]评价河南省淅川县是丹江口水库核心水源区生态安全状况,旨在为保障南水北调中线工程功效长久发挥提出相应的调控措施。[方法]以淅川县各乡镇为评价单元,利用改进"PSR"模型、层次分析法和GIS技术,进行淅川县生态安全时空演变规律研究,并运用主成分分析法研究了淅川县生态安全主要驱动因子。[结果](1)淅川县生态安全状况虽有波动但整体好转。与2000年相比,2015年中警和预警状态的乡镇各减少了3个,而较安全状态的乡镇增加为6个。(2)淅川县生态安全空间格局呈东北、西南等级较高,西北、东南等级较低的态势。(3)通过驱动力分析发现淅川县生态安全等级提升的主要原因为积极的环境治理响应。[结论]生态安全的良性转变需通过积极引导人类活动,多筹举措共同作用促进区域生态安全和社会经济的可持续发展。
        [Objective]To evaluate the eco-security status in Xichuan County of He’nan Province,the core water source area of Danjiangkou reservoir,in order to put forward corresponding control measures to ensure the long-term performance of the middle route of south-to-north water diversion project.[Methods]Based on the improved PSR(presure-state-response)model,AHP(analytic hierarchy process)and GIS technology,the temporal and spatial evolution of ecological security in Xichuan County was evaluated.The main driving factors of ecological security in Xichuan County was analyzed by principal component analysis.[Results](1) The eco-security situation of Xichuan County fluctuated,but overall improved.Compared with 2000,the towns with medium and primary warning were reduced by 3,while the towns with the relatively safe increased by 6 in 2015.(2) The spatial pattern of eco-security in Xichuan County was higher in the northeast and southwest,but lower in the northwest and southeast.(3) According to the driving force analysis,it was found that the main reason for the improvement of eco-security level in Xichuan County was the positive response of environmental governance.[Conclusion]The benign transformation of ecological security needs to promote regional eco-security and sustainable socio-economic development by actively guiding human activities and multi-raising measures.

引文

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