江苏省耕地细碎化评价与土地整治分区研究

doi:10.13249/j.cnki.sgs.2019.05.013

地理科学 ›› 2019, Vol. 39 ›› Issue (5): 817-826.doi: 10.13249/j.cnki.sgs.2019.05.013

江苏省耕地细碎化评价与土地整治分区研究

刘晶¹^,²(), 金晓斌¹^,²^,³(), 徐伟义¹^,², 杨绪红¹^,²^,³, 曹帅¹^,², 徐翠兰⁴, 隋雪燕⁴, 刘敏⁴, 周寅康¹^,²^,³

1.南京大学地理与海洋科学学院,江苏南京 210023
2.国土资源部海岸带开发与保护重点实验室,江苏南京210023
3.江苏省土地开发整理技术工程中心,江苏南京 210023
4.江苏省土地开发整理中心,江苏南京 210024

收稿日期:2018-05-08 修回日期:2018-08-11 出版日期:2019-05-10 发布日期:2021-03-17
通讯作者: 金晓斌 E-mail:liujingxwy@163.com;jinxb@nju.edu.cn
作者简介:刘晶（1992-）,女,山东济南人,博士研究生,主要从事土地整治与国土空间优化利用研究。E-mail:liujingxwy@163.com
基金资助:
国家科技支撑计划项目(2015BAD06B02);南京大学博士研究生创新创意研究计划项目资助(CXCY18-21)

Evaluation of Cultivated Land Fragmentation and Guidance of Land Consolidation at Provincial Level

Liu Jing¹^,²(), Jin Xiaobin¹^,²^,³(), Xu Weiyi¹^,², Yang Xuhong¹^,²^,³, Cao Shuai¹^,², Xu Cuilan⁴, Sui Xueyan⁴, Liu Min⁴, Zhou Yinkang¹^,²^,³

1. College of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, Jiangsu, China
2. Ministry of Land and Resources Key Laboratory of Coastal Zone Development and Protection, Nanjing 210023, Jiangsu, China
3. Jiangsu Land Development and Consolidation Technology Engineering Center, Nanjing 210023, Jiangsu, China
4. Jiangsu Province Land Development and Consolidation Center, Nanjing 210024, Jiangsu, China

Received:2018-05-08 Revised:2018-08-11 Online:2019-05-10 Published:2021-03-17
Contact: Jin Xiaobin E-mail:liujingxwy@163.com;jinxb@nju.edu.cn
Supported by:
The National Science Technology Support Plan Projects of China(2015BAD06B02);Nanjing University Innovation and Creative Program for PhD Candidate(CXCY18-21)

摘要/Abstract

摘要：

在明确耕地细碎化内涵空间尺度特征的基础上,从资源规模性、空间集聚性和生产便利性3方面构建耕地细碎化空间测度体系,以江苏省为例,综合运用地理空间分析、数理统计分析等方法,开展了省域尺度耕地细碎化多维评价及相应的土地整治协同探讨。研究表明：① 江苏省资源规模属性值总体偏低,呈现苏北-苏中-苏南逐级递减的分异格局;空间集聚属性值总体较高,但区域差异明显,高值区主要集中在徐淮平原及里下河平原地区;利用便利属性值总体呈现与资源规模及集聚状况相反的格局特征,苏南明显高于苏中和苏北地区,两极分化明显,地域差异较大;② 在乡镇尺度对各分维属性进行耦合形成江苏省耕地细碎化指数,省域尺度下该指数呈现从北到南逐渐增加的格局特征,表现为北部的低值聚集区和西南部的高值聚集区;③ 基于区域耕地细碎化不同属性特征的层次组合特点,全省可划分为利用提升区、集约归并区、设施改造区、规模流转区、资源优配区和综合整治区6种类型分区,据此提出不同分区土地整治的主要整治方向及关键问题。

关键词: 耕地细碎化, 土地整治, 江苏省

Abstract:

The macro social security function of cultivated land resources and the livelihood maintenance function of micro farmers determine that the connotation and characteristics of the fragmentation of cultivated land are quite different in different spatial scales. In view of the fact that the connotation of cultivated land fragmentation is single, the spatial index measurement is limited, and few attention has been paid to the regional differences in land consolidation, such as the characteristics and spatial distribution of cultivated land resources. This study takes a case study in Jiangsu Province, and constructs an evaluation system of cultivated land fragmentation from aspects such as resource scale, spatial agglomeration and production convenience which based on the definition of spatial scale characteristics of the connotation of cultivated land fragmentation. The results show that: 1) The value of resource scale is generally low, showing a pattern of gradual decline from north to south in Jiangsu; The value of spatial agglomeration is generally high, but the regional differences are obvious, and the high value areas are mainly distributed in Xuhuai Plain and Lixiahe Plain; The value of convenience property was significantly higher in southern than that in central and northern of Jiangsu Province, and the regional differences are obvious; 2) At the township scale, the fractal dimension of cultivated land was coupled to form the index of cultivated land fragmentation in Jiangsu Province. The index showed a gradually increasing pattern from north to south under the provincial scale, which was characterized by the low value aggregation areas in the north and the high value aggregation areas in the southwest; 3) Combined with the characteristics of different attributes of cultivated land fragmentation, Jiangsu Province has been classified into six categories: the utilization efficiency improvement area, the intensive merging area, the facility reformation area, the scale circulation area, the resource optimization area and the comprehensive consolidation area. The study can provide a useful reference for identifying the problems of regional cultivated land resource, determining the key direction of land consolidation, and making the consolidation plans for the stage.

Key words: cultivated land fragmentation, land consolidation, Jiangsu Province

中图分类号:

F301.0

刘晶, 金晓斌, 徐伟义, 杨绪红, 曹帅, 徐翠兰, 隋雪燕, 刘敏, 周寅康. 江苏省耕地细碎化评价与土地整治分区研究[J]. 地理科学, 2019, 39(5): 817-826.

Liu Jing, Jin Xiaobin, Xu Weiyi, Yang Xuhong, Cao Shuai, Xu Cuilan, Sui Xueyan, Liu Min, Zhou Yinkang. Evaluation of Cultivated Land Fragmentation and Guidance of Land Consolidation at Provincial Level[J]. SCIENTIA GEOGRAPHICA SINICA, 2019, 39(5): 817-826.

图/表 6

图1

表1

耕地细碎化评价指标体系"

目标层	准则层	指标层	量化方法	指标含义
耕地细碎化	资源规模性	斑块数量 (NP)	由统计软件计算	表征一定区域范围内的耕地斑块数量
		耕地总面积 (LA)	LA=LA₁+LA₂₊...LA_N	表征一定区域范围内的耕地规模
		平均斑块面积 (MPS)	MPS=LA/NP	表征一定区域范围内耕地斑块的平均面积
		斑块密度 (PD)	PD=NP/LA	表征单位面积的耕地斑块数量
	空间集聚性	聚集度 (AI)	$AI = [1 + ∑ i = 1 NP P i ln (P i) 2 ln (NP)] × 100$	表征一定区域范围内耕地斑块的空间集聚程度
		平均最近距离 (MNN)	$MNN = ∑ i = 1 m w i m$ $m = NP (NP - 1) 2$	表征一定区域范围内耕地斑块的平均距离
		边界密度 (ED)	ED=P/LA	表征一定区域范围内耕地斑块的分隔程度
	利用便利性	生产便利性 (ATR)	$ATR = ∑ i = 1 NP d i NP$	表征一定区域范围内耕地到最近居民点的距离
		经营便利性 (AMD)	$AMD = ∑ i = 1 NP l i NP$	反映一定区域范围内耕地到最近城镇的距离
		地块通达度 (LC)	LC=F_r/LA	表征一定区域范围内耕地的地块通达状况
		形状规整度 (AW)	$AW = ∑ i = 1 NP 0.25 P i L A i × L A i LA$	反映一定区域范围内耕地斑块形状的规整程度
		设施完备度 (FC)	FC=H_p /LA	表征一定区域范围内单位耕地面积的农业基础设施配套状况

表1

图2

表2

图3

图4

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耕地细碎化类型分区	魔方单元组合
利用提升区	（4,4,4）（4,4,3）（4,3,4）（4,3,3）（3,4,3）（3,4,4）（3,3,4）（3,3,3）
集约归并区	（4,1,4）（4,2,4）（4,1,3）（3,2,3）（3,2,4）（3,1,4）（3,1,3）（4,2,3）（2,1,4）（4,1,2）（4,2,2）（2,2,4）
设施改造区	（4,4,1）（4,4,2）（4,3,1）（4,3,2）（3,4,1）（3,4,2）（3,3,1）（3,3,2）（4,2,1）（2,4,1）
规模流转区	（1,4,4）（1,4,3）（1,3,4）（1,3,3）（2,4,4）（2,4,3）（2,3,4）（2,3,3）（1,2,4）（1,4,2）（2,4,2）
资源优配区	（3,1,2）（3,2,1）（2,1,3）（2,3,1）（1,2,3）（1,3,2）（2,2,3）（3,2,2）（2,3,2）
综合整治区	（1,1,1）（1,1,2）（1,2,1）（1,2,2）（2,1,2）（2,2,1）（2,1,1）（2,2,2）（1,1,3）（1,1,4）（1,3,1）（1,4,1）（3,1,1）（4,1,1）

江苏省耕地细碎化评价与土地整治分区研究

Evaluation of Cultivated Land Fragmentation and Guidance of Land Consolidation at Provincial Level

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