中国粮食主产区耕地利用效率时空格局演变及影响因素——基于180个地级市的实证研究
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张立新, 朱道林, 谢保鹏, 杜挺, 王兴
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Spatiotemporal pattern evolvement and driving factors of cultivated land utilization efficiency of the major grain producing area in China
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Lixin ZHANG, Daolin ZHU, Baopeng XIE, Ting DU, Xing WANG
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表4 1994年,2004年,2014年GWR模型自变量回归系数 |
Table 4 The independent variable regression coefficient of GWR model in1994,2004 and 2014 |
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变量 | 1994年 | 2004年 | 2014年 | Cond | 1.165~142.365 | 10.249~127.714 | 20.466~159.278 | MULC | 0.175~0.696*** | 0.130 ~0.528*** | 0.232~0.838*** | | (0.466) | (0.341) | (0.537) | QUALITY | -0.335~-0.194*** | -0.285~-0.081*** | -0.360~0.213*** | | (-0.252) | (-0.235) | (-0.275) | PCGDP | 0.117~0.310** | 0.057~0.182** | 0.200~0.428** | | (0.225) | (0.150) | (0.315) | IRRIGA | -0.303 ~0.211** | -0.247 ~0.235** | 0.113~0.264** | | (0.139) | (0.123) | (0.190) | TECL | -0.200~0.041* | -0.013~0.101* | 0.167~0.378* | | (0.011) | (0.093) | (0.205) | Bandwidth | 1.703 | 1.994 | 2.355 | Residual Squares | 2.688 | 3.226 | 4.193 | Effective Number | 26.490 | 39.735 | 45.033 | Sigma | 0.129 | 0.335 | 0.206 | AICc | 266.664 | 158.329 | 146.967 | R2 | 0.710 | 0.795 | 0.801 | Adjusted R2 | 0.664 | 0.750 | 0.774 |
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