基于京津冀功能分区的植被覆盖度时空演变特征及其影响因子
鲁军景, 孙雷刚, 左璐, 刘剑锋, 马晓倩, 郝庆涛

A functional zoning-based study of the spatiotemporal evolutionary characteristics and influencing factors of vegetation fractional cover in the Beijing-Tianjin-Hebei region
LU Junjing, SUN Leigang, ZUO Lu, LIU Jianfeng, MA Xiaoqian, HAO Qingtao
图3 “4区”VFC等级面积占比和区域均值
Fig.3 The area proportion in different grade and the regional mean of VFC in “4 major functional areas”