Discussion on thoughts on protection and planning of water resources of Yangtze River Basin

We reviewed the works of water resources planning by CWRC in the past 30 years,including comprehensive planning of Yangtze River Basin,regional comprehensive planning and special planning.The practice of water resources protection and management shows that its content and thought has changed.The focus of planning has been changed from water quality protection to water quality,water quantity and water ecology protection,and the evaluation of environmental affections is emphasized;the foundation of the planning working is enhanced with introduction of water function concept,which makes the planning more scientific,so the relation of water quality,water quantity and water ecology can be better balanced;the relationship between protection and development is coordinated.Protection is considered as the goal of the planning and the working pattern of taking remedial measures afterwards are changed into preventions beforehand.The engineering system of water resources protection is established,therefore,the planning can be more operable.