Exploring stakeholder preferences and spatial heterogeneity in policy scenario analysis for vulnerable ecosystems: A choice experiment approach

The importance of understanding people's preferences and the well-being of river systems cannot be overstated when it comes to the effective restoration and long-term management of these systems. This study aimed to determine the preferences of people in the Hei River Basin of China regarding the conservation, restoration, and development of ecological systems and their associated services. The research utilized a combination of random parameter logit models for distance decay. The study collected data using a choice experiment method and separated the study area into three distance-based groups: group I (within 25 km), group II (25 to 50 km), and group III (beyond 50 km). The findings showed that there was spatial heterogeneity among the people, with a higher willingness to pay for high-quality agricultural production and the lowest willingness to pay for oasis. The results revealed a complex pattern of spatial heterogeneity and indicated the need for increased awareness programs, environmental education, and the promotion of social responsibility towards environmental protec-tion. It is essential to implement environmental policies, restore properties, and preserve ecological systems to achieve sustainable development and a sustainable environment. The findings highlight the importance of considering spatial heterogeneity and the need for increased environmental awareness, education, and policy implementation. This research can contribute to developing effective strategies for the preservation of river systems and ensuring sustainable development and a sustainable environment.