中国耕地利用变化时空分异特征及对耕地NPP的影响 |
原晋涛, 陈万旭, 曾杰 |
Spatio-temporal differentiation of cropland use change and its impact on cropland NPP in China |
YUAN Jin-tao, CHEN Wan-xu, ZENG Jie |
图3 1980—2020年中国转入转出耕地重心迁移轨迹 |
Fig. 3 Migration trajectory of the gravity center of cropland transfer-in and transfer-out in China during 1980-2020 |
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