北京郊区参与型体育旅游资源时空演化特征及影响因素
张新, 刘家明, 朱鹤, 李涛

Spatiotemporal change and influencing factors of participatory sport tourism resources in Beijing suburbs
ZHANG Xin, LIU Jiaming, ZHU He, LI Tao
图2 1998、2008和2018年不同类型参与型体育旅游资源的核密度分布图
Figure 2 Kernel density distribution of different types of participatory sport tourism resources in 1998, 2008, and 2018