中国县域耕地动态演变及其驱动机制
张婕, 刘玉洁, 张二梅, 陈洁, 谭清华

Dynamics and driving mechanisms of cultivated land at county level in China
ZHANG Jie, LIU Yujie, ZHANG Ermei, CHEN Jie, TAN Qinghua
图5 1980—2020年中国非粮化趋势空间分布及核密度曲线
Fig. 5 Spatial distribution and kernel density curve of non-grain trend in China during 1980-2020