Water shortages and degradation of the water environment have become major constraints on the sustainability of economic and social development in China. Water environment is crucial to the existence and development of social and economic systems, and its carrying capacity status plays an important role in regional development [1-3]. Therefore, studies on water environment capacity, optimization of water resources, and water environment protection are necessary [4-7]. Furthermore, it is important to coordinate production, living water resources and water environments to achieve sustainable development in the region. Water resources are scarce in the Ningxia Hui Autonomous Region of China, where the dry and windy conditions and sparse vegetation limit the environment's