Research on ecological water demand of lakes

With the rapid development of social economy, the development and utilization of water resources is increasing, which leads to the increasing importance of ecological water demand in wetland protection. The study of lake ecological water demand can provide theoretical basis for improving the distribution of water resources and ecosystem balance in lake wetland and establish a solid theoretical basis for the sustainable development of lake wetland ecosystem. Based on the analysis and summary of the relevant literature on wetland ecological water demand, this paper expounded the connotation of lake ecological water demandand summarized the calculation method of ecological water demand of lake type wetland in China. In addition,this paper pointed out that the research focus of lake ecological water demand mainly included the application of hydrologicalhydrodynamic- water quality and the research of water demand based on ecological protection target hydrology demand.