Poyang Lake basin: a successful, large-scale integrated basin management model for developing countries

Area of Science:

• Environmental Science
• Ecology
• Water Resource Management

Background:

• Developing countries face challenges balancing socio-economic growth with water environment protection in lake regions.
• Poyang Lake, China's largest freshwater lake, maintains good water quality despite significant regional development, earning it the title 'last pot of clear water' in the Yangtze River Basin.

Purpose of the Study:

• To analyze the factors contributing to Poyang Lake's water quality preservation amidst socio-economic development.
• To demonstrate how economic development and environmental protection can be effectively coordinated in a large lake basin.

Main Methods:

• Analysis of Poyang Lake's geomorphologic features and water residence time.
• Examination of the alignment between the lake basin's physical and administrative boundaries.
• Evaluation of the implementation and principles of the "Mountain-River-Lake Program" (MRL) ecosystem concept.

Main Results:

• Unique geomorphology and short water residence time contribute to water quality.
• Matching physical and administrative boundaries facilitate integrated management.
• The "Mountain-River-Lake Program" (MRL) effectively integrates ecosystem management.

Conclusions:

• Coordinated development is achieved through understanding basin components, prioritizing human well-being via eco-economic projects, preventing soil erosion, and establishing robust governance.
• The Poyang Lake basin management model offers a transferable strategy for developing regions needing to balance environmental protection and economic growth.