长江流域资源与环境 >> 2015, Vol. 24 >> Issue (07): 1094-1101.doi: 10.11870/cjlyzyyhj201507003

• 区域可持续发展 • 上一篇    下一篇

长三角地区生态环境与城市化发展的区域分异性研究

杨芳1,3, 潘晨2,3, 贾文晓1,3, 刘敏1,3, 义白璐1,3, 象伟宁1,3   

  1. 1. 华东师范大学生态与环境科学学院, 上海 200241;
    2. 华东师范大学地理科学学院, 上海 200241;
    3. 华东师范大学上海市城市化生态过程与生态恢复重点室, 上海 200241
  • 收稿日期:2014-07-21 修回日期:2014-10-23 出版日期:2015-07-20
  • 作者简介:杨芳(1990~),女,硕士研究生,主要研究方向为生态环境遥感.E-mail:fangyang.franny@gmail.com
  • 基金资助:
    国家自然科学基金项目(41471096,41201092);教育部哲学社会科学研究重大课题攻关项目(11JZD028)

THE ECO-ENVIRONMENT AND ITS SPATIAL DIFFERENTIATION BETWEEN ECO-ENVIRONMENT AND URBANIZATION IN THE YANGTZE RIVER DELTA URBAN AGGLOMERATION

YANG Fang1,3, PAN Chen2,3, JIA Wen-xiao1,3, LIU Min1,3, YI Bai-lu1,3, XIANG Wei-ning1,3   

  1. 1. School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China;
    2. School of Geographic Sciences, East China Normal University, Shanghai 200241, China;
    3. Shanghai Key Lab for Urban Ecological Processes and Eco-restoration, East China Normal University, Shanghai 200241, China
  • Received:2014-07-21 Revised:2014-10-23 Online:2015-07-20
  • Contact: 刘敏,E-mail:mliu@re.ecnu.edu.cn E-mail:mliu@re.ecnu.edu.cn

摘要: 城市群已成为全球竞争与国际分工的全新地域单元,评估和判断城市群生态环境质量及其与城市化发展的时空分异特征对实现区域可持续发展具有重要的现实意义。基于生态环境状况指数计算方法,对"十一五"期间(2005~2010年)长三角地区生态环境质量的基本特征和时空格局进行定量分析。并以其25个城市为研究单元,对"人口—经济"视角下的城市化水平与区域生态环境的发展关系和区域分异进行探讨。结果显示:"十一五"期间长三角地区整体生态环境质量均属"良",空间分布大致以上海—苏锡常—南京为界,呈南高北低中间差的特征。2010年较2005年生态环境状况稳中有好,浙江省和沪宁沿线的大部分城市生态环境质量有所改善,政策调控下的污染物排放减少是其好转的主要原因。"十一五"期间长三角地区各城市生态环境与城市化发展呈现不同的发展轨迹,发展类型以可持续型为主,而以苏北五市为代表的少数城市则表现为生态脆弱型。

关键词: 生态环境, 评价, 城市化, 长三角地区

Abstract: The enhancement of ability and intensity of social and economic activities has made particular ecosystem damages extend to regional eco-environmental problems. Facing a series of eco-environmental problems, social development under rapid urbanization is no longer economic growth, but the coordinated development of population, economy and eco-environment. Especially when urban agglomeration becomes the new units for global competition and international division of labor, evaluating and identifying its developmental pattern between eco-environment and urbanization has practical significance for achieving sustainable development. The Yangtze River Delta Urban Agglomeration (YRDUA) has paid a great price for its burgeoning urbanization and industrialization, which gradually became one of the new ecologically vulnerable zones in China. With reference to the Technical Criterion for Eco-environmental Status Evaluation (HJ/T192-2006) published by the Ministry of Environmental Protection of China in 2006, we selected Biologic Abundance Index (BAI), Vegetation Cover Index (VCI), Water-net Density Index (WDI), Land Deterioration Index (LDI) and Pollution Load Index (PLI) as the Ecological Index (EI) to reflect the comprehensive eco-environmental quality (EEQ).The basic characteristics and spatiotemporal pattern of EEQ in the YRDUA during the Eleventh Five-Year Plan Period (2005-2010) was analyzed. Furthermore, we took the 25 cities in the YRDUA as analytic units and discussed its status and spatial differentiation of developmental patterns between eco-environment and urbanization under the perspective of "population-economy". The results showed that: (1) the averaged EI in the YRDUA was 56.0 in 2005 and 57.3 in 2010, which was higher than the national average and were both belonged to the "moderately high" level. Concerning to the spatial distribution, the EEQ demonstrated pronounced variability, with the Shanghai-Suzhou-Wuxi-Changzhou-Nanjing belt as a demarcation belt. The EEQ of Lishui in Zhejiang Province ranked the best and Shanghai the last in terms of administrative unit. (2) During the Eleventh Five-Year Plan Period, the EEQ in the YRDUA kept steady growth. The proportion of significantly better areas was up to 10%, mainly distributing in Zhejiang Province and Shanghai-Nanjing belt. It was policy-induced emission reduction that gave rise to the overall eco-environmental improvement, followed by an increase in the volume of water resources and land degradation. On the contrary, the biological abundance reduction as well as reduced vegetation cover caused by land use change resulted in some regions' deterioration of the EEQ. (3) Most cities remained sustainable in terms of the developmental pattern between eco-environment and urbanization, but a direct consequence of industrial structure and economic base led to disparity in the developmental trajectories. Some cities including Shanghai presented economy-advancing coordination while other cities such as Suzhou and Hangzhou were in ecology-advancing coordination. On the other hand, 5 cities in northern Jiangsu showed an ecological vulnerability pattern, which indicated economy and urbanization had a strong coercing effect on the eco-environment.

Key words: eco-environment, assessment, urbanization, Yangtze River Delta Urban Agglomeration (YRDUA)

中图分类号: 

  • X171.1
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