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
张立新, 朱道林, 谢保鹏, 杜挺, 王兴

Spatiotemporal pattern evolvement and driving factors of cultivated land utilization efficiency of the major grain producing area in China
Lixin ZHANG, Daolin ZHU, Baopeng XIE, Ting DU, Xing WANG
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
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