Wenli QIANG, Cuiling ZHANG, Aimin LIU, Shengkui CHENG, Xiang WANG, Fan LI. Evolution of global virtual land flow related to agricultural trade and driving factors [J]. Resources Science, 2020, 42(9): 1704
- Resources Science
- Vol. 42, Issue 9, 1704 (2020)
Fig. 1. Land, water resources, and virtual land trade of selected countries, 2016
Fig. 2. Trend of change of global virtual land trade, 1986-2016
Fig. 3. Virtual land trade volumes of main export/import countries, 1986-2016
Fig. 4. Virtual land flow between different economic groups of countries, 1986-2016
Fig. 5. Distance of trade links and the cumulative proportion of their trade, 2016
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Table 1. Product categories and primary products of global agricultural trade
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Table 2. Variables and the expected direction of trade
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Table 3. Results of gravity regression for the whole sample
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