Functional zoning in national parks under multifactor trade-off guidance: A case study of Qinghai Lake National Park in China

Functional zoning is an important mechanism for achieving national park planning and management objective. Better functional zoning is of great significance to the protection of ecosystem legitimacy and integrity, the appropriate utilization of resources, community integration, and feasible management. In the present study, the proposed Qinghai Lake National Park is the research object. Based on the critical goal of ecological protection, the importance of ecosystem service functions and the ecological sensitivities were evaluated. The results showed that the ecosystem service functions and the ecological sensitivity of the whole region are high. Among them, lake, river and wetland as the most strictly protected ecosystems account for the highest proportion. Then this study divided the proposed Qinghai Lake National Park into five functional areas through grid calculations, spatial analysis and multifactor trade-off. The results indicated that the goal of functional zoning for national park is to maximize the overall utility of park protection value and its comprehensive functions based on its spatial units with different functions, management and control requirements. The zoning scheme addresses the lack of sustainable development in Qinghai Lake National Park due to ecological environmental changes and single-resource zoning with resource protection as the primary goal. This study can serve as a reference for spatial functional zoning methods of national land parks, nature reserves and other natural protected areas.