黄土高原地区人类活动强度时空变化分析

徐小任, 徐勇

Analysis of spatial-temporal variation of human activityintensity in Loess Plateau region

Xiaoren XU, Yong XU

图5 1992-2008年黄土高原地区人类活动强度与人口密度的相关关系

Fig. 5 Correlation between human activity intensity and population density in Loess Plateau region from 1992 to 2008