[1]陈 爽,李阳兵*,李明珍.镇域尺度的规模农地演变特征及其驱动机制研究——以重庆奉节县为例[J].山地学报,2021,(1):101-116.[doi:10.16089/j.cnki.1008-2786.000579]
　CHEN Shuang,LI Yangbing*,LI Mingzhen.Evolution Pattern and Driving Mechanism in Farmland of Scale on Town Level:A Case Study of Fengjie County in Chongqing,China[J].Mountain Research,2021,(1):101-116.[doi:10.16089/j.cnki.1008-2786.000579]
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镇域尺度的规模农地演变特征及其驱动机制研究——以重庆奉节县为例()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2021年第1期
页码:
101-116
栏目:
山区发展
出版日期:
2021-01-25

文章信息/Info

Title:
Evolution Pattern and Driving Mechanism in Farmland of Scale on Town Level:A Case Study of Fengjie County in Chongqing,China
文章编号:
1008-2786-(2021)1-101-16
作者:
陈 爽1; 李阳兵1; 2*; 李明珍1
1.重庆师范大学 地理与旅游学院,重庆401331; 2.三峡库区地表过程与环境遥感重庆市重点实验室,重庆401331
Author(s):
CHEN Shuang1;  LI Yangbing1; 2*;  LI Mingzhen1
1.School of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China; 2.Key Laboratry of Earth Surface Processes and Environmental Remote Sensing in Three Gorges Reservoir Area, Chongqing 401331,China
关键词:
镇域尺度;  演变特征;  规模农地;  地理探测器;  奉节县
Keywords:
town level;  evolution characteristics;  farmland of scale;  Geodetector;  Fengjie County
分类号:
S17
DOI:
10.16089/j.cnki.1008-2786.000579
文献标志码:
A
摘要:
在土地利用逐步集约化以及乡村振兴战略背景下,厘清山区规模农地时空演变规律及其驱动机制,对于整合山区有限的农地资源,推动农业适度规模化经营意义重大。为揭示山区镇域尺度规模农地演变规律,本文基于重庆市奉节县典型山区乡镇2008年、2018年两期4类农地斑块数据,综合运用GIS空间分析技术和景观格局指数等方法对比分析草堂镇、康乐镇规模农地发展演变特征,并引入地理探测器模型进一步探讨规模农地演变的驱动因子。结果显示:传统型耕地数量呈下降态势,现代型果园数量均有所增长,现代型蔬菜、茶园数量比较稳定; 传统型耕地分布热点区域缩减,现代型果园核密度最高值是2008年的2～3倍,各类型规模农地在镇级尺度分布呈聚集、均匀和随机3种模式,集聚特征空间尺度范围缩小; 斑块特征上CA、NP、MNN三项指标变化最大,CA与NP呈正相关,最小平均最近距离MNN由传统型耕地变为现代型果园,现代型蔬菜斑块形状最为规整; 距河流距离、距道路距离和农业人口密度等主导因子以及距河流距离∩高程、距道路距离∩农业人口密度等交互因子是推动规模农地演变的重要驱动力。本研究对于山区农地资源整治、规模农地发展以及转变农业发展模式具有借鉴意义。
Abstract:
In the context of gradual land-use intensification and rural revitalization strategy, clarifying the spatiotemporal evolution of farmland of scale(FS)in mountainous areas and its driving mechanism is of great significance for integrating limited mountainous agricultural land resources and promoting moderately large-scale agricultural operations. Based on four FS types of typical mountain towns in Fengjie County, Chongqing Municipality in 2008 and 2018, this paper compared and analyzed FS in Caotang and Kangle Town using GIS spatial analysis technology and landscape pattern index comprehensively to reveal the town-scale FS evolution in mountainous areas. Meanwhile, the Geo-detector model was introduced to explore the driving factors of FS evolution further. The results showed that the number of traditional cultivated land has declined, the number of modern orchards has increased, and the number of modern vegetables and tea gardens has been relatively stable. The distribution hotspots of traditional cultivated land have shrunk, and the highest kernel density value of modern orchards was 2～3 times than that in 2008. Overall, the distribution of various FS types at the town level howed three patterns of aggregation, uniformity and randomness, and the spatial scale of agglomeration feature has reduced from 2008 to 2018. In patch characteristics, the three indicators of CA, NP and MNN had enormous changes, in which CA and NP were positively correlated; minimum MNN has changed from traditional cultivated land to modern orchard, and modern vegetable patch shapes were the most regular. Besides, the single leading factors(distance to river, distance to road and agricultural population density)and interactive factors(distance to river ∩ elevation and distance to road ∩agricultural population density)were critical driving force for the FS evolution. Summarily, this research has reference significance for agricultural land consolidation, FS development and agricultural development mode transformation in study area and other mountainous areas.

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备注/Memo

备注/Memo:
收稿日期(Received date):2020-07-24; 改回日期(Accepted date):2021-02-04
基金项目(Foundation item):重庆市基础研究与前沿探索项目(cstc2018jcyjA0539); 重庆市教育委员会人文社会科学研究项目(19JD026)。[Chongqing Basic Research and Frontier Exploration Project(cstc2018jcyjA0539); Humanities and Social Science Research Project of Chongqing Education(19JD026)]
作者简介(Biography):陈爽(1995- ),男,重庆奉节人,硕士研究生,主要研究方向:水土保持与土地利用研究。[CHEN Shuang(1995-), male, born in Fengjie, Chongqing. M.Sc. candidate, research on soil and water conservation and land utilization] E-mail: shaun_chen@foxmail.com
*通讯作者(Corresponding author):李阳兵(1968- ),男,重庆潼南人,博士,教授,主要研究方向:土地利用与生态过程研究。[LI Yangbing(1968-), male, born in Tongnan, Chongqing. Ph.D., professor, research on land use and ecological process] E-mail: li-yapin@sohu.com
更新日期/Last Update: 2021-01-30