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城市湿地概念和功能及中国城市湿地保护

王建华1,2,3;吕宪国1   

  1. 1中国科学院东北地理与农业生态研究所, 长春 130012;2河北沧州师范专科学校, 河北沧州 061001;3中国科学院研究生院,北京 100039
  • 收稿日期:2006-04-24 修回日期:1900-01-01 出版日期:2007-04-03 发布日期:2007-04-03

Urban wetland: Its concept, ecological services and protection

WANG Jian-hua1,2,3; LU Xian-guo1   

  1. 1Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, China;2Cangzhou Teacher’s College, Cangzhou 061001, Hebei, China;3Graduate University of Chinese Academy of Sciences, Beijing 100039, China
  • Received:2006-04-24 Revised:1900-01-01 Online:2007-04-03 Published:2007-04-03

摘要: 随着城市化进程加快,城市湿地保护问题日益突出。城市湿地是存在于城市区域之内的湿地,其生态服务功能与乡野湿地有着明显不同。受人为活动干扰强烈,中国城市湿地存在面积缩小、功能退化、污染严重,特别是富营养化现象突出。而由于长期对城市湿地研究薄弱,对湿地功能与价值认识存在偏差,以及城市湿地保护较高的机会成本,使得中国城市湿地保护面临诸多困难。本文在分析中国城市湿地存在的问题基础上,提出中国城市湿地保护对策,并就当前中国城市湿地研究与保护问题进行探讨。

关键词: 硫, 重金属含量, 年轮序列, 黄山松

Abstract: With the development of urbanization, urban wetland protection has become an increasingly important issue. Based on the review of related literatures, the concept of urban wetland was addressed, and its ecological service functions were analyzed. Under the intense human disturbance, the area of China’s urban wetland is reducing, with its ecological services deteriorated and pollution and eutrophication getting serious. Owing to the lack of study, there exist deviations in understanding the functions and worthiness of urban wetland, and higher opportunity cost in its protection. In this paper, the strategies for urban wetland protection in China were put forward, and some basic issues about the study and protection of China’s urban wetland were discussed.

Key words: Sulphur, Heavy metals, Concentration, Dynamic, Growth ring set, Pinus taiwanensis