[1]史铁丑,李秀彬*.基于地块尺度的重庆山区耕地撂荒风险研究[J].山地学报,2017,(04):543-555.[doi:10.16089/j.cnki.1008-2786.000252]
 SHI Tiechou,LI Xiubin.Cropland Abandonment Risk at Parcel Level in Chongqing Mountainous Area[J].Mountain Research,2017,(04):543-555.[doi:10.16089/j.cnki.1008-2786.000252]
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基于地块尺度的重庆山区耕地撂荒风险研究()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2017年04期
页码:
543-555
栏目:
山区发展
出版日期:
2017-07-30

文章信息/Info

Title:
Cropland Abandonment Risk at Parcel Level in Chongqing Mountainous Area
文章编号:
1008-2786-(2017)4-543-13
作者:
史铁丑1李秀彬2*
1.河北地质大学 土地资源与城乡规划学院,石家庄 050031;
2.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 100101
Author(s):
SHI Tiechou1 LI Xiubin2
1.College of Land Resources and Rural-Urban Planning, Hebei GEO University, Shijiazhuang 050031, Hebei, China;
2.Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Science, Beijing 100101, China
关键词:
地块尺度 山区 耕地撂荒 风险 重庆
Keywords:
parcel level mountainous area cropland abandonment risk Chongqing
分类号:
F326.11
DOI:
10.16089/j.cnki.1008-2786.000252
文献标志码:
A
摘要:
城乡劳动力转移背景下耕地撂荒风险的研究是土地利用覆被变化的重要组成部分,辨明耕地撂荒的风险与发展趋势是预测耕地未来发展的重要依据。本文选择重庆市石柱、巫山和酉阳3县作为研究区,基于地块尺度对山区耕地撂荒现象的特点与影响因素的调查分析,确定经验模型,评估现有耕地(尚未撂荒的)未来撂荒的风险大小。结果表明,2011年重庆市3县耕地地块为21.71万个,处于低、中、高三级撂荒风险水平的耕地面积依次为6.3万hm2、13.2万hm2和5.8万hm2,比例分别为25%、 52%和23%。通过对比村级尺度撂荒风险耕地分布图、高程图与坡度图发现,高撂荒风险的耕地主要集中分布在海拔高且坡度陡的地区。
Abstract:
Cropland abandonment risk is an important part in land use and land cover change.For predicting future development of cultivated lands, it is necessary to identify the risk and development trends of abandonment of croplands.In this paper, the cropland abandonment risk was evaluated in three counties(Shizhu, Wushan, and Youyang)in Chongqing using an experience model.This model was developed based on analysis of cropland abandonment characteristics at the parcel scale as well as the factors influencing cropland abandonment in mountainous areas.In three counties in 2011, 217 thousand cropland parcels were identified, in which 63 thousand hm2, 132 thousand hm2, and 58 thousand hm2 were classified as low, middle, and high abandonment risk, respectively, i.e.25%, 52%, and 23% of the total cropland.Comparing the distribution map of abandonment risk with elevation and slope maps at a village scale, it was found that most croplands with high abandonment risk were located in regions of high elevation and steep slopes.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期(Received date):2016-02-02; 改回日期(Accepted date): 2017-06-22
基金项目(Foundation item):国家自然科学基金重大国际合作项目(41161140352); 国家自然科学基金面上项目(41571095); 国家自然科学基金青年基金项目(41501192; 41401193); 河北地质大学博士科研启动基金项目(BQ201603)[NSFC-IIASA Major International Joint Research Project(41161140352); National Natural Science Foundation of China(41571095); National Natural Science Foundation for Young Scholars(41501192, 41401193); Doctor Scientific Research Start-up Fund Project of Hebei GEO University(BQ201603)]
作者简介(Biography):史铁丑(1978-),男,河北石家庄人,博士,副教授,主要从事土地利用变化研究[Shi Tiechou(1978-), male, born in Shijiazhuang, Hebei Province, Ph.D., associate professor, research on land use change] E-mail: shitiechou@163.com
*通讯作者(Corresponding author):李秀彬(1962-), 男,研究员,博士生导师,主要从事土地利用变化研究[Li Xiubin(1962-), male, professor, doctoral supervisor, research on land use change] E-mail: lixb@igsnrr.ac.cn
更新日期/Last Update: 2017-07-30