水是生命之源、生产之要、生态之基,人多水少、水资源时空分布不均是我国的基本国情和水情。当前我国水资源面临的形势十分严峻,水资源短缺、水污染严重、水生态环境恶化等问题日益突出,已成为制约经济 Water is the source of life, production, ecological basis, water less people, uneven distribution of water resources in time and space is China’s basic national conditions and water conditions. At present, the situation facing China’s water resources is very grim. The problems such as the shortage of water resources, serious water pollution and the deterioration of aquatic ecological environment have become increasingly prominent, which has become a constraint to the economy