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《Acta Scientiarum Naturalium Universitatis Pekinensis》 2008-04
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Characteristics of Urban Ecological Water Requirement in Bao'an,Shenzhen

MAO Xiaoling,TIAN Kun,LI Tianhong,XU YiDepartment of Environmental Engineering,Peking University;The Key Lab of Water and Sediment Sciences,Ministry of Education,Beijing 100871  
Based on the case study of Bao'an,Shenzhen,this paper analyzes the characteristics of Urban Ecological Water Requirements(UEWR) during 1988-2004.The relationships among UEWR,water resources and land use are studied.The results are summarized as below: the amount of UEWR of Bao'an decreased remarkably from 2.12×10~8?m~3 in 1988 to 1.60×10~8?m~3 in 2004.The components of UEWR including forest,grassland and water ecosystems show the different trends.The significant positive correlation between UEWR and land use is found in this study.The ratio of UEWR in water resources structure is about 24%-33%.Water resources allocated to human society should be limited by 60%-70% in order to maintain the healthy ecosystem and urban sustainable development.
【Fund】: 国家重点基础研究发展规划项目(2007CB407202)资助
【CateGory Index】: X171.1
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