| 基于倾向得分匹配方法的中国自然保护区缓解人类活动压力评估 | 
| 张涵, 黎夏, 石洪, 刘晓娟 | 
| An assessment of the effectiveness of China's nature reserves for mitigating anthropogenic pressures based on propensity score matching | 
| ZHANG Han, LI Xia, SHI Hong, LIU Xiaojuan | 
| 图3 2017年中国自然保护区人类活动压力指数总体水平和变化斜率数值分布 | 
| Fig. 3 Numerical distribution of the overall level and slope of Anthropogenic Pressure Index in China's nature reserves | 
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