Evaluation of the spatial distribution of scenic resources based on 3S technology: A case study of the Yesanpo National Park

Evaluation of scenic resources is imperative in national park planning, and 3S technology has been applied for this purpose because it effectively leverages modern geo-informatics technology. We investigated the scenic resources in the Yesanpo National Park based on 3S technology. The Nearest-Neighbor Index, Kernel density estimation, imbalance index, and geographical concentration index in modern geography were introduced into the spatial distribution evaluation of scenic resources, and here, for the first time, the spatial combination index of scenic resources was proposed as one of the quantitative analysis indices of spatial distribution of scenic resources. Moreover, the spatial combination distribution characteristics of scenic resources were analyzed quantitatively and graphically. The characteristics of the spatial distribution of scenic resources in the Yesanpo National Park were as follows: The spatial distribution type of scenic spots in the Yesanpo National Park is a clustered type. The spatial distribution of the scenic resource groups in the Yesanpo National Park was extremely imbalanced and highly concentrated. Based on the identification of scenic resources, we evaluated the scenic resources of each area and propose sustainable development plans for each area. This evaluation method can be applied to similar national parks to promote the quantitative and graphical evaluation of the spatial distribution of scenic resources and provide support for the decision-making processes related to national park planning and management.