目前国际上已将湖泊水环境研究的重心转向湖泊流域生态系统管理，即从流域尺度对湖泊进行污染治理、生态恢复以及生态系统管理，实现湖泊流域内社会经济协调与湖泊生态系统健康的可持续发展。笔者在对东昌湖流域生态补水管理概念界定的基础上，提出了东昌湖流域生态补水管理概念模式、东昌湖流域社会经济协调发展优化模式、东昌湖水质水量保障和生态环境改善的环境管理体系。它涵盖了流域管理、水环境管理和生态系统管理的思想和内容。

At present the international research emphasis of lake water environment has turned to study ecosystem management of lake basins. That is,we should be from a watershed scale point of view to control pollution, remedy ecology, manage ecological system and to carry out a sustainable harmonious development among society, economy and ecosystem health in lake watershed. This paper put forward the management concept framework of ecological diversion water based on the definition of ecological diversion water in the Dongchang Lake watershed. This paper also put forward an optimized model of the harmonious development between society and economy in the Dongchang lake watershed and an environmental management system of water quality, water quantity guarantee and habitat improvement. It includes ideas and concepts of watershed management, water environmental management and ecological system management.