基于“三类”空间的后备可利用土地资源评价研究——以山西省介休市为例

doi:10.18306/dlkxjz.2021.02.008

地理科学进展 ›› 2021, Vol. 40 ›› Issue (2): 272-282.doi: 10.18306/dlkxjz.2021.02.008

基于“三类”空间的后备可利用土地资源评价研究——以山西省介休市为例

徐小任¹, 王梁¹, 徐勇²^,³^,^*(), 段健⁴

^1. 山东省水土保持与环境保育重点实验室,临沂大学资源环境学院,山东临沂 276005
^2. 中国科学院地理科学与资源研究所,北京 100101
^3. 中国科学院大学,北京 100049
^4. 浙江师范大学地理与环境科学学院,浙江金华 321004

收稿日期:2020-01-06 修回日期:2020-08-14 出版日期:2021-02-28 发布日期:2021-04-28
通讯作者: 徐勇
作者简介:徐小任(1985- ), 女,汉族,山东临沂人,博士,讲师,主要研究方向为土地利用、区域可持续发展。E-mail: xuxiaoren@lyu.edu.cn
基金资助:
山东省自然科学基金项目(ZR2018PD003)

Evaluation of reserve available land resources based on three types of territorial space: A case study of Jiexiu City in Shanxi Province

XU Xiaoren¹, WANG Liang¹, XU Yong²^,³^,^*(), DUAN Jian⁴

^1. Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276005, Shandong, China
^2. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
^3. University of Chinese Academy of Sciences, Beijing 100049, China
^4. College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China

Received:2020-01-06 Revised:2020-08-14 Online:2021-02-28 Published:2021-04-28
Contact: XU Yong
Supported by:
National Natural Science Foundation of Shandong, No(ZR2018PD003)

摘要/Abstract

摘要：

针对当前国土空间规划“双评价”中存在的后备适宜建设用地与后备适宜耕地在城镇、农业空间分布上的重叠性问题,论文在对2类用地进行概念内涵辨析的基础上,尝试构建后备可利用土地资源集成评价方法,探讨不同类型后备可利用土地资源用途的地域导向,并选取山西省介休市作为案例区进行实证应用研究。结果表明：介休市后备适宜建设用地面积较大(45.3 km ²),但集中连片趋势不明显。人均后备适宜建设用地面积为0.16亩/人。区域后备适宜耕地面积74.1 km ²,人均后备适宜耕地面积为0.26亩/人。研究区域2类用地具有相似的空间分布格局,即绵山镇、连福镇等地区后备可利用土地资源潜力较大,而城区及周围地区的潜力较小。针对2类用地的重叠性和差异性,介休市城区、各乡镇中心及北部地区的后备可利用土地资源未来可转化建设用地,即未来应被划归城镇空间。连福、绵山、义棠、张兰等乡镇南部地区未来可转化为新增耕地,即应被划归农业空间。

关键词: 后备可利用土地资源, 后备适宜建设用地, 后备适宜耕地, 国土空间规划, “三类”空间;, 介休市

Abstract:

The spatial distribution of reserve available construction land overlaps with that of reserve available cultivated land in the resources and environmental carrying capacity and territorial development suitability evaluations of current territorial spatial planning. On the basis of elaborating the connotation of relevant concept, this study developed an integrated evaluation method of reserve available land resources, discussed the regional tendency of use of these two types of land, and took Jiexiu City in Shanxi Province as an example. The results are as follows: 1) Reserve available construction land in Jiexiu City had an area of 45.3 km ², which was 6.1% of the total land area of the city. Its distribution was scattered. The reserve available construction land could be generally divided into three levels: highly suitable, suitable, and less suitable. The corresponding areas were 3.6 km ², 16.1 km ², and 25.6 km ² respectively. The area of reserve available construction land per capita was 0.16 mu. 2) The area of the reserve available cultivated land was 74.1 km ², which was 10% of the total. The reserve available cultivated land also could be divided into three levels: highly suitable, suitable, and less suitable. The corresponding areas were 21.7 km ², 26.1 km ², and 26.3 km ²respectively. The area of reserve available cultivated land per capita was 0.26 mu. There were similar spatial distributions between these two types of land in the study area. The potential of reserve available land resources in Mianshan and Lianfu towns was large, while the potential of the urban area and its surroundings was small. In view of the overlap and difference of spatial distribution between these two types of land, reserve available land resources in the urban area, town centers, and the northern part of the city could be used as construction land preferentially in the future. They should be classified as urban space. Reserve available land resources in the southern areas of Lianfu, Mianshan, Yitang, and Zhanglan towns could be transformed into new cultivated land. They should be classified as agricultural space.

Key words: reserve available land resources, reserve available construction land, reserve available cultivated land, territorial spatial planning, three types of territorial spaces, Jiexiu City

徐小任, 王梁, 徐勇, 段健. 基于“三类”空间的后备可利用土地资源评价研究——以山西省介休市为例[J]. 地理科学进展, 2021, 40(2): 272-282.

XU Xiaoren, WANG Liang, XU Yong, DUAN Jian. Evaluation of reserve available land resources based on three types of territorial space: A case study of Jiexiu City in Shanxi Province[J]. PROGRESS IN GEOGRAPHY, 2021, 40(2): 272-282.

图/表 9

表1

后备可利用土地资源评价方法"

指标项	计算公式	公式说明
可利用土地资源	$L = L σ + L φ$	L为可利用土地资源面积; $L σ$ 、 $L φ$ 是指地形坡度分别小于15°、15°~25°且满足一定高程条件的可利用土地资源面积
后备适宜建设用地	$L sc = L σ - L fgσ - L waσ - L pzσ - L gdσ$	$L sc$ 为适宜建设用地面积; $L ac$ 为后备适宜建设用地面积; $L fgσ$ 、 $L waσ$ 、 $L pzσ$ 、 $L gdσ$ 、 $L ecσ$ 、 $L cuσ$ 、 $L gaσ$ 、 $L faσ$ 分别为坡度小于15°的可利用土地资源内所含的林地、水域用地、保护区、沙漠戈壁、已有建设用地、耕地、园地、基本农田等用地面积; $α$ 的取值可根据国土部门划定的耕地保护红线的分布格局进行确定
	$L faσ = L cuσ × α, α ∈ [0.9, 1]$
	$L ac = L sc - L ecσ - L faσ - L gaσ$
人均后备适宜建设用地	$L pac = L ac P$	$L pac$ 为人均后备适宜建设用地面积,P为区域人口数量
后备适宜耕地	$L au = L - L fg - L wa - L pz - L gd - L ec - L cu - L ga$	$L au$ 为后备适宜耕地面积; $L fg$ 、 $L wa$ 、 $L pz$ 、 $L gd$ 、 $L ec$ 、 $L cu$ 、 $L ga$ 分别指区域可利用土地资源内所含的林地、水域用地、保护区、沙漠戈壁、已有建设用地、耕地、园地、基本农田等地类面积
人均后备适宜耕地	$L pau = L au P$	$L pau$ 为人均后备适宜耕地面积

表1

表2

图1

图2

表3

图3

表4

图4

图5

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乡镇名称	适宜建设用地		已有建设用地/km²	基本农田/km²	后备适宜建设用地
乡镇名称	面积/km²	占乡镇土地面积比重/%	已有建设用地/km²	基本农田/km²	面积/km²	占适宜建设用地比重/%	占乡镇土地面积比重/%
城关乡	21.0	89.9	14.8	5.9	0.2	1.0	0.9
洪山镇	16.4	60.9	3.4	8.3	3.9	23.8	14.5
连福镇	49.6	54.7	10.3	28.5	8.9	17.9	9.8
龙凤镇	32.7	57.7	6.4	19.8	4.7	14.4	8.3
绵山林场	0	0	0	0	0	0	0
绵山镇	68.2	65.7	13.4	40.1	10.9	16.0	10.5
三佳乡	17.3	90.2	6.0	10.7	0.3	1.7	1.6
宋古乡	34.1	86.0	9.8	23.0	0.2	0.6	0.5
义安镇	73.3	85.3	21.2	49.7	0.8	1.1	0.9
义棠镇	38.9	50.3	8.9	20.6	8.6	22.0	11.1
张兰镇	75.7	75.9	13.8	50.6	6.8	9.0	6.8
介休市	427.2	57.6	108.0	257.2	45.3	10.6	6.1

乡镇名称	后备适宜建设用地面积/km²	适宜类后备适宜建设用地		较适宜类后备适宜建设用地		条件适宜类后备适宜建设用地		人均后备适宜建设用地面积/(亩/人)
乡镇名称	后备适宜建设用地面积/km²	面积/km²	比重/%	面积/km²	比重/%	面积/km²	比重/%	人均后备适宜建设用地面积/(亩/人)
城关乡	0.2	0.02	10.0	0.1	50.0	0.08	40.0	0.002
洪山镇	3.9	0.3	7.7	1.4	35.9	2.2	56.4	0.53
连福镇	8.9	0.5	5.6	2.5	28.1	5.9	66.3	0.44
龙凤镇	4.7	0.3	6.4	1.7	36.2	2.7	57.4	0.53
绵山林场	0	0	0	0	0	0	0	0
绵山镇	10.9	1.0	9.2	4.3	39.4	5.6	51.4	0.53
三佳乡	0.3	0.04	13.3	0.18	60.0	0.08	26.7	0.02
宋古乡	0.2	0.04	20.0	0.12	60.0	0.04	20.0	0.01
义安镇	0.8	0.2	25.0	0.5	62.5	0.1	12.5	0.02
义棠镇	8.6	0.6	7.0	2.9	33.7	5.1	59.3	0.39
张兰镇	6.8	0.6	8.8	2.4	35.3	3.8	55.9	0.22
合计	45.3	3.6	7.9	16.1	35.5	25.6	56.6	0.16

乡镇名称	后备适宜耕地面积/km²	适宜类后备适宜耕地		较适宜类后备适宜耕地		条件适宜类后备适宜耕地		人均后备适宜耕地面积/(亩/人)
乡镇名称	后备适宜耕地面积/km²	面积/km²	比重/%	面积/km²	比重/%	面积/km²	比重/%	人均后备适宜耕地面积/(亩/人)
城关乡	0.3	0.18	60.0	0.1	33.3	0.02	6.7	0.003
洪山镇	5.9	1.7	28.8	2.2	37.3	2.0	33.9	0.81
连福镇	16.9	3.2	18.9	6.0	35.5	7.7	45.6	0.82
龙凤镇	7.8	2.1	26.9	2.7	34.6	3.0	38.5	0.86
绵山林场	0	0	0	0	0	0	0	0
绵山镇	15.1	5.5	36.4	5.7	37.7	3.9	25.8	0.74
三佳乡	0.6	0.47	78.3	0.1	16.7	0.03	5.0	0.05
宋古乡	1.0	0.74	74.0	0.24	24.0	0.02	2.0	0.05
义安镇	1.2	1.0	83.3	0.2	15.8	0.01	0.8	0.03
义棠镇	14.1	3.6	25.5	5.1	36.2	5.4	38.3	0.65
张兰镇	11.2	3.2	28.6	3.8	33.9	4.2	37.5	0.37
合计	74.1	21.7	29.3	26.1	35.3	26.3	35.4	0.26

基于“三类”空间的后备可利用土地资源评价研究——以山西省介休市为例

Evaluation of reserve available land resources based on three types of territorial space: A case study of Jiexiu City in Shanxi Province

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