Journal of Geographical Sciences

Multidimensional and multiscenario assessment for cropland supply‒demand matches and sustainable development zoning

JIANG Zixin, LI Sinan, WANG Zhennan, ZHU Congmou, CHEN Yun, WANG Ke, ZHANG Jing

地理学报(英文版), 2025, 35(12): 2536-2558. DOI: 10.1007/s11442-025-2424-2

	Grains	Oil	Vegetable	Pork	Beef	Mutton	Poultry	Aquatic products	Eggs	Milks	Sugar	Beers	Starchs
Crop conversion factor (R_i)	1	3	1	2.9	2.6	3.1	2.4	1	1.7	0.4	7.69	0.2	1.25
Dining-out consumption factor (K_i)	0.21	/	0.18	0.27	0.44	0.5	0.34	0.32	0.16	0.24	0.19	/	/

Table 1 Dining-out consumption factor K_i and conversion factor R_i

本文的其它图/表

Figure 1 Study area and locations of the sampling sites in China
Figure 2 Study design
Table 2 Cropland sustainability assessment
Figure 3 Changes in the per capita cropland footprint and changes in the cropland cropping structure from 2002 to 2022
Table 3 China’s total cropland footprint structure in 2022 (Mha)
Figure 4 Spatial patterns of the supply and demand of cropland (a. supply, b. demand, c. supply‒demand matches, d. quadrant diagram distribution of cropland supply‒demand matches)
Figure 5 Spatial division of SSP-simulated cropland supply and demand in 2030 and 2050 (a. 2030; b. 2050)
Figure 6 Multidimensional clustering of the agricultural sustainable zones (a. 2030; b. 2050; c. Data distribution of SSP1, SSP2, SSP3, and SSP5 in 2030 sustainable development zoning; d. Correlations of the indicators; e. Data distribution of SSP1, SSP2, SSP3, and SSP5 in 2050 sustainable development zoning)
Figure 7 Comparison and trends of dietary structure and cropping structure in 2002 and 2022