What are the problems and measures in the middle and lower reaches of the Yangtze River?

1 The upstream water and soil erosion, sediment deposition, and lake storage capacity decline.

2. The tributaries in the middle and lower reaches often lead to flooding, decreased storage capacity of lakes and soil erosion; The river bends and the drainage is not smooth, causing floods.

Governance:

1 More trees should be planted in the upper reaches, shelterbelts should be built, and soil and water should be preserved.

River regulation in the middle and lower reaches, building reservoirs, strengthening dikes, returning farmland to lakes, dredging waterways, straightening bends, strengthening dikes, and building flood control and storage projects.