基于“七普”的“胡焕庸线”两侧人口集疏新态势及影响因素
戚伟, 刘盛和, 刘振

The novel pattern and driving factors of population spatial distribution on both sides of the "Hu Line" based on seventh census in China
QI Wei, LIU Shenghe, LIU Zhen
图2 1982—2020年中国人口密度年均变化
注:基于自然资源部标准地图服务网站GS(2016)1585号标准地图制作,底图边界无修改。
Fig. 2 Spatial distributions of average annual changes of population density in China from 1982 to 2020