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3 1982—2020年中国相对人口密度年均变化指数 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;北京市、上海市、天津市和重庆市属于省级单元,不参与相对人口密度的核算。 |
Fig. 3 Spatial distributions of average annual changes of relative density of population in China from 1982 to 2020 |
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