[1]陈燕,罗婵,陈星宇,等.长江三角洲区域生态安全时空演变[J].华侨大学学报(自然科学版),2019,40(1):85-92.[doi:10.11830/ISSN.1000-5013.201810026]
　CHEN Yan,LUO Chan,CHEN Xingyu,et al.Spatial and Temporal Evolution of Ecological Security in Yangtze River Delta[J].Journal of Huaqiao University(Natural Science),2019,40(1):85-92.[doi:10.11830/ISSN.1000-5013.201810026]
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长江三角洲区域生态安全时空演变()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第40卷
期数:
2019年第1期
页码:
85-92
栏目:
出版日期:
2019-01-20

文章信息/Info

Title:
Spatial and Temporal Evolution of Ecological Security in Yangtze River Delta
文章编号:
1000-5013(2019)01-0085-08
作者:
陈燕1;  罗婵1;  陈星宇1;  邱晓敏2;  宋新山1;  王宇晖1
1. 东华大学 环境科学与工程学院, 上海 201620;2. 密苏里州立大学 地理地质规划系, 斯普林菲尔德 65897
Author(s):
CHEN Yan1;  LUO Chan1;  CHEN Xingyu1;  QIU Xiaomin2;  SONG Xinshan1;  WANG Yuhui1
1.College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China; 2. Department of Geographical and Geological Planning, Missouri State University, Springfield 65897, America
关键词:
生态安全;  压力-状态-响应模型;  时空演变;  生态重心;  长江三角洲
Keywords:
ecological security;  pressure-state-response model;  spatial and temporal evolution;  ecological center of gravity;  Yangtze River Delta
分类号:
X821
DOI:
10.11830/ISSN.1000-5013.201810026
文献标志码:
A
摘要:
采用压力-状态-响应(PSR)模型,选取人口密度、人均GDP、植被覆盖率等14个指标,运用层次分析法和综合指数法对长江三角洲(简称长三角)的生态安全进行评价,分析其在时间、空间尺度上的演变规律,以及其主要影响因子.利用重心分析模型,分析2000,2014年长三角生态安全重心的迁移趋势与方向,并对其未来的发展方向进行预测.结果表明:长三角生态安全综合指数随着年份的增加而提升,但不同城市的增长速率差异明显;整体生态安全水平不高,各城市差异较大,且呈现出明显的南部区域高于北部区域的空间分布特征;生态安全分区为安全区(湖州)、低安全区(无锡、上海、泰州、苏州)和中安全区(其他城市);影响生态安全等级的主要限制因子为人口自然增长率、植被覆盖率、第三产业比重、用于教育的财政支出比率、环保投资比重5项指标;生态重心由西向东转移9.303 9 km,但仍位于区域中部,转移速度较慢,未来有向东南方向转移的趋势.
Abstract:
Using the pressure-state-response(PSR)model, 14 indicators such as population density, per capita GDP and vegetation coverage rate were selected, and the ecological security of the Yangtze River Delta(Yangtze River Delta for short)was evaluated by using the analytic hierarchy process and the comprehensive index method, and its evolution rules on time and space scales and its main influencing factors were analyzed. The center of gravity analysis model was used to analyze the migration trend and direction of the ecological security center in the Yangtze River Delta in 2000 and 2014 and predict its future development direction. As the results shown, the ecological safety comprehensive index increases with the year, but the growth rate of each city is different. The ecological security levels of the cities in the Yangtze River Delta are quite different and the overall level is not high. The ecological security of the Yangtze River Delta presents the spatial distribution characteristics of Southern region higher than Northern region. The ecological security zone is divided into sa-fety zone(Huzhou), low safety zone(Wuxi, Shanghai, Taizhou, Suzhou)and central security zone(other cities). The main limiting factors affecting the level of ecological security are the natural population growth rate, vegetation coverage, the proportion of the tertiary industry to GDP, the ratio of fiscal expenditure for education, and the proportion of environmental protection investment. The ecological security center of the Yangtze River Delta has shifted from west to east by 9.303 9 km at a slower pace, but it is still in the middle of the region. In the future, the ecological center of gravity has a tendency to shift to the southeast.

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备注/Memo

备注/Memo:
收稿日期: 2018-10-12
通信作者: 陈燕(1976-),女,副教授,博士,主要从事生态安全、环境遥感与环境信息系统的研究.E-mail:chenyan-hjxy@dhu.edu.cn.
基金项目: 国家自然科学基金资助项目(41471089); 中央高校专项科研基金资助项目(2232016D3-11)http://www.hdxb.hqu.edu.cn
更新日期/Last Update: 2019-01-20