Ecology and environment information system for Yangtze Three Gorges Project with remote sensing and GIS

Three Gorges Project is a great water resource project. After the project is completed, it will partially change Yangtze's water regime and affect ecology and environment of region along Yangtze River, from reservoir region, middle reaches, lower reaches to estuary. As a result, it is of great significance to monitor Yangtze's ecology and environment element, which take place since 1996 with 19 themes over the whole river. This paper introduces the ecology and environment information system for Three Gorges Project. The architecture and working principles of the system is introduced firstly. Then, system functions and key implementation technology are stated. The system is unique and complicate mainly because its monitoring contents are wide, which cover water pollution, agricultural ecology, terraneous ecology, hydrophytic ecology, local climate, social environment and so on. The application of the system will provide decision support for sustainable development of Yangtze's drainage area.