近40年京津冀地区生境质量变化趋势与归因分析
闫宇星,杨园园,王永生,严建武

Trends and Attribution Analysis of Habitat Quality Changes in Beijing-Tianjin-Hebei Region over the Past 40 Years
Yuxing YAN,Yuanyuan YANG,Yongsheng WANG,Jianwu YAN
图2 1980~2020年京津冀地区生境质量等级面积占比变化
Fig.2 Change of HQ area proportion of each type in BTH region during 1980~2020