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Ecology and Hydrology , crossover study on the international forefront of one of the research areas , the ecological environment water demand is connected to the ecological and hydrological processes , depicts the core issue of Ecology, Evolution, and the relationship of water resources . I start from the relationship between the ecological environment and water resources , this paper discusses the progress at home and abroad on the ecological environment water demand study , the basic and general principles of eco-environmental water , analysis of the concept of eco-environmental water , on this basis on , pointed out that the main problems of the ecological environment water demand research areas , from both theoretical and practical aspects of proposed ecological environment water demand further study . Jinjiang River Basin , for example , on the basis of the theoretical and computational methods , the river and the river outside the ecological environment water demand calculation . In the calculation of the the instream ecological environment water demand , the use of multivariate statistical forecasting model , the Jinjiang River instream ecological environment water demand of 16 × 10 8m ~~ 3 , accounting for about watershed years average annual runoff of 55.29 × 10 ~ 8 28.9 %. Then , the use of remote sensing data and geographic information system (GIS) technology to draw in Jinjiang River outside river ecological environment water demand of 2.168 billion m to 3 . And above research , analysis and evaluation . By analyzing the configuration of the Jinjiang River Basin Water Resources conservation protection , proposed improvements and recommendations .
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