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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

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