地理学报 ›› 2017, Vol. 72 ›› Issue (6): 1063-1077.doi: 10.11821/dlxb201706009
戈大专1,2,3, 龙花楼1,3,4, 张英男1,2,3, 屠爽爽1,2,3
收稿日期:
2016-09-29
修回日期:
2017-02-03
出版日期:
2017-06-25
发布日期:
2017-06-25
作者简介:
作者简介:戈大专(1987-), 男, 江苏新沂人, 博士生, 研究方向为农业地理与乡村转型发展。E-mail:
基金资助:
Dazhuan GE1,2,3, Hualou LONG1,3,4, Yingnan ZHANG1,2,3, Shuangshuang TU1,2,3
Received:
2016-09-29
Revised:
2017-02-03
Published:
2017-06-25
Online:
2017-06-25
Supported by:
摘要:
本文构建了中国粮食产量与农业劳动力数量变化的耦合关系模式,初步探讨了县域粮食产量与农业劳动力比重变化的耦合过程。利用全国1991年、2000年和2010年3期分县截面数据,分别建立了粮劳弹性系数和农业劳动力转移效应系数用以分析中国县域粮食产量与农业劳动力变化的耦合关系。研究表明:① 中国农业转型发展过程中,县域粮食产量与农业劳动力数量变化的耦合关系呈现多样化并存的格局,1991-2010年中国县域农业劳动力数量减少而粮食产量增加、农业劳动力数量增加而粮食产量也增加和农业劳动力数量减少的同时粮食产量也减少的县域数量占县域总数的比重分别为48.85%、29.11%和19.74%;3种耦合类型分别集中于传统农区、西部欠发达牧区和农牧交错区、东南沿海农业快速转型区。② 中国县域粮食产量与农业劳动力比重的耦合曲线呈现阶梯式波动变化,且二者耦合关系的离散趋势不断加强。③ 粮劳弹性系数和农业劳动力转移效应系数的变化表明农业劳动力变化在促进粮食增产中的作用在不断下降。④ “胡焕庸线”是中国粮食产量与农业劳动力变化耦合特征的重要分界线,塑造了二者耦合格局的主体结构。
戈大专, 龙花楼, 张英男, 屠爽爽. 中国县域粮食产量与农业劳动力变化的格局及其耦合关系[J]. 地理学报, 2017, 72(6): 1063-1077.
Dazhuan GE, Hualou LONG, Yingnan ZHANG, Shuangshuang TU. Pattern and coupling relationship between grain yield and agricultural labor changes at county level in China[J]. Acta Geographica Sinica, 2017, 72(6): 1063-1077.
表1
1991-2010中国县域农业劳动力转移效应系数分类统计汇总
1991-2000年(%) | 2000-2010年(%) | 1991-2010年(%) | ||
---|---|---|---|---|
14.66(294) | 18.05(362) | 10.72(215) | ||
11.32(227) | 13.11(263) | 14.66(294) | ||
15.55(312) | 18.30(367) | 20.14(404) | ||
49.65(996) | 44.57(894) | 52.24(1048) | ||
5.53(111) | 3.49(70) | 1.94(39) | ||
0.35(7) | 0.25(5) | 0.25(6) | ||
0.40(8) | 0.10(2) | 0.00(0) | ||
2.54(51) | 2.14(43) | 0.00(0) |
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