The Nansi Lake Basin in Shandong Province is located in the northern part of the Huai River Basin in China

consisting of four interconnected lakes

Nanyang

Dushan

Zhaoyang

and Weishan. Since the 18

th

National Congress of the Communist Party of China

under the guidance of General Secretary Xi Jinping's water governance concept of “prioritizing water conservation

balancing spatial distribution

taking systematic approaches

and giving full play to the roles of both government and market”

the watershed has achieved significant results in river and lake governance and restoration. However

with the economic and social development

the ecological and environmental problems of the Nansi Lake have become increasingly prominent due to natural and human interference. The role of lake regulation

self purification

and protection has declined

and the risk of water pollution prevention and control still exists. On the basis of a comprehensive analysis of the current situation of development

utilization

and management of Nansi Lake

this article provides an overall analysis of the problems existing in the ecological restoration of Nansi Lake

and proposes me

asures and suggestions such as strengthening the top-level design of comprehensive watershed governance.