中国北方新增耕地的时空变化及驱动因素分区
王鸣雷1,2,史文娇1,2(
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Spatial-Temporal Changes of Newly Cultivated Land in Northern China and Its Zoning Based on Driving Factors
WANG MingLei1,2,SHI WenJiao1,2()
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图6. 1980s以来中国北方各时段有效灌溉面积、农业机械总动力、水利设施建设以及耕地较1990年的增加比例
Fig. 6. The effective irrigation area, total power of agricultural machinery, construction of water conservancy facilities and cultivated land in each period in Northern China increased compared with that in 1990 since 1980s
