Spatial-temporal Pattern Analysis of Outdoor Walking Recreation Activities in China's First Batch of National Parks Based on Open Trajectory Data
The construction of national parks is an important measure for the Chinese modernization to realize the harmonious coexistence of human and nature.Providing nature education and outdoor recreation opportunities for the public,with ecological protection as the top priority and under the strictest protection standards,is a key function of national parks.The first batch of national parks has been established in China.Analyzing the spatial and temporal pattern of visitors'outdoor recreation in national parks is the basis of scientific planning and management of outdoor recreation in national parks.Based on open trajectory data,this study analyzes the spatiotemporal pattern of outdoor walking recreation activities in China's first batch of national parks in 2019.The results show that:1)the daily distribution of outdoor walking recreation activities in the five national parks is significantly higher on holidays and weekends than on working days;2)the spatial distribution of outdoor walking recreation activities and outdoor walking recreation photography activities in the five national parks show clustering patterns in spatial distribution,and the spatial density in different nation parks is orders of magnitude different;3)the spatial distribution of outdoor walking recreation activities in national parks is influenced by terrain conditions and transportation accessibility.The results of the study provide data support for the management of outdoor walking recreation in the first batch of national parks in China,and relevant suggestions are put forward.