| 耕地撂荒研究进展与展望 |
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| 引用本文： | 李升发,李秀彬.耕地撂荒研究进展与展望[J].地理学报,2016,71(3):370-389. |
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| 作者姓名： | 李升发 李秀彬 |
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| 作者单位： | 1. 中国科学院地理科学与资源研究所 陆地表层格局与模拟院重点实验室,北京 1001012. 中国科学院大学,北京 100049 |
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| 基金项目： | 国家自然科学基金重大国际合作项目(41161140352) |
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| 摘 要： | 20世纪后半叶以来许多发达国家发生明显的耕地撂荒现象,并逐渐演变为全球性土地利用现象,深刻地改变了广大农村地区土地景观.本文以"土地利用变化--驱动机制--环境效应--政策响应"的框架系统梳理耕地撂荒主要研究进展.研究表明:① 全球耕地撂荒仍主要发生在欧美发达国家,但发展程度的区域差异很大;② 社会经济要素变化是耕地撂荒最主要驱动力,务农机会成本上升等原因引起的耕地边际化是撂荒发生的根本原因,而劳动力析出是造成耕地撂荒的直接原因;③ 耕地撂荒与否,撂荒程度以及撂荒地空间分布受村镇,农户,地块三个尺度的自然条件,劳动力特征,农业生产条件和区域社会经济条件等多方面因素的综合影响;④ 生态环境效应是当前撂荒效应研究的焦点,但该效应是以积极还是消极为主仍存争议;⑤ 增加农业补贴是当前减缓耕地撂荒的主要措施,但并非唯一和最合理的措施.未来,快速城镇化进程将促使中国耕地撂荒现象愈演愈烈,所以当前研究有待加强,本文认为应加强大范围耕地撂荒信息提取和监测,撂荒趋势预测和风险评估,社会经济效应评估及政策设计等方面研究.
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| 关 键 词： | 耕地撂荒 耕地边际化 土地利用变化 研究进展 展望 |
| 收稿时间： | 2015-09-21 |
| 修稿时间： | 2015-11-20 |
Progress and prospect on farmland abandonment |
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| Shengfa LI,Xiubin LI.Progress and prospect on farmland abandonment[J].Acta Geographica Sinica,2016,71(3):370-389. |
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| Authors: | Shengfa LI Xiubin LI |
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| Institution: | 1. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China2. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | More and more farmland has been abandoned in many developed countries since the 1950s, and then the abandoned land further evolved into a global land use phenomenon, which deeply changed the landscape in vast rural areas. "Land use change-driving mechanism-impacts & consequences-policy response" in global farmland abandonment were reviewed and the results indicated that: (1) Farmland abandonments mainly occurred in developed countries of Europe and North America, but the extent to which varied distinctly. (2) Socio-economic factors were the primary driving forces for the farmland abandonment. And land marginalization was the root cause of land abandonment, which was due to the drastic increase of farming opportunity cost, while the direct factor of abandonment was the decline of agricultural labor forces. (3) Whether to abandon, to what extent and its spatial distributions were finally dependent on combined effect from the physical conditions, labor characteristics, farming and regional socio-economic conditions at village, household and parcel scales. Farmland abandonment was more likely to occur in mountainous and hilly areas except for Eastern Europe due the unfavorable farming conditions. (4) Ecological and environmental effects should be the focus on the study of farmland abandonment, while which is positive or negative are still in dispute. (5) The increase of agricultural subsidies indeed will be conductive to slow down the farmland abandonment, but it is not the only and reasonable method. |
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| Keywords: | farmland abandonment farmland marginalization LUCC research progress and prospect |
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