北京市耕地表层土壤有机碳分布及其影响因素 |
孔祥斌, 胡莹洁, 李月, 段增强 |
Distribution and influencing factors of soil organic carbon of cultivated land topsoil in Beijing |
KONG Xiangbin, HU Yingjie, LI Yue, DUAN Zengqiang |
图1 北京市行政区划及数字高程图 |
Figure 1 Administrative division and digital elevation model (DEM) of Beijing Municipality |
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