This extreme weather phenomena on the middle and lower reaches of the Yangtze River basin alerts in a wide range of ecological protection and management. First, dvd sets the regulation of water resources in difficult, you need to solve. Data show that the reservoirs built over more than 40,000 in the Yangtze basin, completed and hydropower station in construction more than more than 2,400. These reservoirs and power distribution in a variety of river and administrative areas, vary by management.

Second, discount dvd many aging water facilities. Yangxin County, Hubei Province Water Conservancy Bureau Deputy Director Liu Daorong said: "above County 70% of small ponds, small reservoirs, small culvert in irrigation and water conservancy project of repair for many years. The drought came, can't play water irrigation efficiency heavy rain came, blockage of the small ponds water storage at full capacity, sick run more afraid of small reservoir of water. ”

Third, wholesale dvd weak water storage capacity of natural vegetation. Analysis of mountain rivers and lakes in Jiangxi province Deputy Director yanbang said that keep water in the river basin, watershed vegetation low quality as a ecological defence is one of the reasons. He said that the relatively high forest cover in some provinces, but mostly Pinus massoniana, small shrub vegetation under the tree, and forest water storage capacity is weak.