中国空间规划耕地保护指标分配和优化——以2006—2020年省级土地利用总体规划为例
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杜辰, 刘涛, 黄大全, 朱世豪, 田志强, 刘云中
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The allocation and optimization of the area of cultivated land reserved in China's spatial planning: Taking the 2006-2020 provincial overall plans for land utilization as example
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DU Chen, LIU Tao, HUANG Da-quan, ZHU Shi-hao, TIAN Zhi-qiang, LIU Yun-zhong
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表8 粮食主产区和主销区市层级模型的估计结果
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Table 8 Estimation results of the prefecture-level model of major grain-producing and grain-marketing areas
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| 随机效应模型 | 参数 | 粮食主产区固定效应 | | 粮食主销区固定效应 | | 标准系数(标准误差) | t值 | | 标准系数(标准误差) | t值 | | γ00 | 3.430(0.096) | 35.72*** | | 2.486(0.134) | 18.58*** | | X1人均耕地面积 | γ10 | 0.665(0.059) | 11.23*** | | 0.964(0.589) | 1.64 | | X2粮食单产 | γ20 | 0.059(0.174) | 0.34 | | -0.829(0.938) | -0.89 | | X3第一产业占比 | γ30 | -0.208(0.071) | -2.95** | | -0.231(0.291) | -0.79 | | X4农业机械化总动力 | γ40 | 0.859(0.028) | 30.72*** | | 0.703(0.121) | 5.81*** | | X5农民人均纯收入 | γ50 | 0.181(0.206) | 0.88 | | 0.379(0.354) | 1.07 | | X6人均水资源拥有量 | γ60 | 0.046(0.036) | 1.29 | | 0.297(0.173) | 1.72 | | X7人均GDP | γ70 | -0.236(0.069) | -3.41*** | | 0.219(0.313) | 0.70 | | X8人均固定资产投资 | γ80 | -0.146(0.041) | -3.61*** | | -0.243(0.211) | -1.15 | | X9第三产业占比 | γ90 | 0.441(0.140) | 3.14*** | | -0.321(0.759) | -0.42 |
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