Technology and Practice of Ecological Environment Zoning-based Regulation in River Basins Based on the Coordination of Water Ecology,Environment and Resources
In the new era,it is of great significance for promoting the coordinated protection and governance to carry out fine ecological environmental zoning-based regulation in the river basins based on the principle of coordination of water ecology,environment and resources.The present paper proposes a technique method for ecological environmental zoning-based regulation in the river basins that includes water ecological environment problems identification,water control zonings delimiting,environmental quality objectives delineation,and control units integration.Taking the Baiyangdian River Basin as a case area,the present paper identifies its water ecological environment problems,delimits the red line of ecological protection,the bottom line of environmental quality and the top line of resource utilization,establishes the water management objectives and resource-environmental constraints in different ecology-environment-resources units by taking into account the existing ecological water function units and the related management requirements,delineates the ecological environment control units by cluster overlaying the ecology-environment-resources units,and finally proposes the differentiated management approaches for each control unit.
coordination of water ecology,evironment and resourcesecological environment zoning-based regulationbottom line for environmental qualityBaiyangdian River Basin
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