黄河流域生态旅游发展时空异质性与组态提升路径
赵巧艳, 周霖, 任敏敏

Spatiotemporal heterogeneity and configurational enhancement pathways of ecological tourism development in the Yellow River Basin
Qiaoyan Zhao, Lin Zhou, Minmin Ren
图3 2013—2022年黄河流域生态旅游发展标准差椭圆及重心迁移轨迹
注:基于自然资源部标准地图服务网站标准地图(审图号GS(2019)3333 号)制作,底图边界无修改
Fig.3 Dimension-specific spatiotemporal differentiation characteristics of ecological tourism development in the Yellow River Basin