中国海外耕地投资发展的时空格局演变与影响因素
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韩璟, 陈泽秀, 卢新海
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Spatiotemporal change of China’s overseas investment in farmlands and influencing factors
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HAN Jing, CHEN Zexiu, LU Xinhai
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表5 中国海外耕地投资变异函数分维数
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Table 5 China’s overseas farmland investment variability function fractal dimension
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年份 | 全方向 | 南—北 | 东北—西南 | 东—西 | 西北—东南 | D | R2 | D | R2 | D | R2 | D | R2 | D | R2 | 2000 | 1.853 | 0.258 | 1.945 | 0.254 | 1.979 | 0.025 | 1.929 | 0.116 | 1.893 | 0.188 | 2004 | 1.857 | 0.196 | 1.947 | 0.005 | 1.710 | 0.119 | 1.983 | 0.001 | 1.561 | 0.416 | 2009 | 1.671 | 0.521 | 1.831 | 0.101 | 1.560 | 0.272 | 1.633 | 0.134 | 1.226 | 0.653 | 2017 | 1.609 | 0.734 | 1.871 | 0.050 | 1.641 | 0.188 | 1.502 | 0.353 | 1.244 | 0.728 |
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