明确管理范围 我国发布《河湖管理范围划定技术规范》

Core Viewpoint - The Ministry of Water Resources has released the "Technical Specifications for the Delimitation of River and Lake Management Areas," emphasizing that management areas should be defined based on flood control functions and the natural evolution of rivers and lakes, without narrowing flood retention spaces [1] Group 1: Management Guidelines - The specifications provide delineation rules for both leveed and non-leveed rivers and lakes [1] - In areas prone to mountain flood disasters, the management range may be adjusted to account for the safety of downstream residents and the impact of debris carried by mountain floods [1] Group 2: Ecological Considerations - The management range can extend into land areas to incorporate biodiversity protection, ecological restoration of rivers and lakes, the designation of natural protected areas, and the protection of drinking water sources [1]