黄河流域A级旅游景区空间格局及其影响因素的多尺度分析
张宇硕, 沈雪瑞, 眭任静, 鲍捷, 喻忠磊, 赵林, 张学斌

Multi-scale analysis of spatial pattern and the influencing factors of A-grade scenic spots in the Yellow River Basin
Yushuo Zhang, Xuerui Shen, Renjing Sui, Jie Bao, Zhonglei Yu, Lin Zhao, Xuebin Zhang
图4 黄河流域A级景区在县域、市域、集聚区尺度的空间分布
Fig.4 The spatial distribution of A-grade scenic spots at three scales in the Yellow River Basin