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《Resources and Environment in the Yangtze Basin》 2008-03
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ANALYSIS OF THE CHARACTERISTICS AND ECOSYSTEM SERVICE OF THE WATER-LEVEL-FLUCTUATING ZONE IN THE THREE GORGES RESERVOIR

ZHANG Hong (College of Geography,Chongqing Normal University,Chongqing 400047,China)  
After the Three Gorges Project is completed,a 30-meter-high water-level-fluctuating zone (WLFZ)will appear along both banks.The area of the WLFZ is about 300 km~2.The WLFZ is facing with a series of environmental issues,such as the expanding of polluted zone ashore,the serious loss of water and erosion of soil,the decrease of biodiversity and the degradation of function of the ecosystem.Rational- ly dividing the land in WLFZ will not only alleviate the contradiction between man and land,but also is very useful to improve the condition of ecological environment in the Three Gorges Reservoir.This paper, according to the program of water storage in the Three Gorges Reservoir of Chongqing,explores the char- acteristics of WLFZ according to human environment,climate conditions,water depth,landform,and the soil textures of the land based on GIS and RS,and analyzes anthropogenic influence on WLFZ and the eco- logical environmental problems of the zone.The result of the analysis on WLFZ in the Three Gorges Res- ervoir provides theoretic basis and scientific methods for the rational development,utilization and manage- ment of the zone for the local government and administration sections.
【Fund】: 国务院三峡建设委员会办公室以及重庆计委项目(20031136);; 重庆市自然科学基金(CSTC2007BB7225)“基于3S技术的三峡库区典型消落区土地开发生态风险预警评价”;; 重庆师范大学青年项目(07XLQ03);; 重庆市GIS应用与研究重点实验室项目
【CateGory Index】: X171.1
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