Identification of land use conflicts and zoning regulation in Nanchang City, China

doi:10.6046/zrzyyg.2023271

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Abstract

The rapid social and economic development and the trend of human migration to large- and mid-size cities, especially provincial capitals, have significantly intensified land use conflicts. The coordination among production, living, and ecological spaces is significant for sustainable, regional social and economic development. This study created a multi-purpose suitability assessment model from the perspective of the production, living, and ecological functions, identified the production, living, and ecological suitability, as well as the intensity of potential land use conflicts, in Nanchang City, China while considering land space background and planning objectives for differentiated regional regulation. The results indicate that over 65% of areas in the city are suitable for production and living. Areas with ecological, productive, and living suitability differ in spatial distribution and structural composition and exhibit pronounced overlaps. This indicates potential land use conflicts. The conflict identification results reveal that the areas with severe, strong, moderate, and weak land use conflicts account for 0.53%, 18.81%, 5.77%, and 5.67%, respectively. Given the different spatial distributions, area proportions, and characteristics of areas with potential land use conflicts, differentiated regulations are required. Based on comprehensive considerations of the conflict identification results and the functional zoning stated in the Nanchang City Land and Space Master Plan (2021—2035), this study determined nine major zones for differentiated regulation. This study made some preliminary attempts in zoning regulation against land use conflicts while considering both land use suitability and the requirements for social and economic development. The results of this study will provide a scientific basis for identifying land use conflicts and optimizing land space layout in other similar cities.

Keywords land use conflict multi-purpose suitability production, living, and ecological functions zoning regulation Nanchang City

ZTFLH:	F205
	TP79

Issue Date: 17 February 2025

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	Jianping WANG
	Meiqiu CHEN

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Jianping WANG,Meiqiu CHEN. Identification of land use conflicts and zoning regulation in Nanchang City, China[J]. Remote Sensing for Natural Resources, 2025, 37(1): 113-121.

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https://www.gtzyyg.com/EN/10.6046/zrzyyg.2023271 OR https://www.gtzyyg.com/EN/Y2025/V37/I1/113

Fig.1 Map of the study area

目标层	因素层	指标	因子分级及分值					权重
目标层	因素层	指标	1	3	5	7	9	权重
生产适宜性		坡度/(°)	(25,+∞)	(15,25]	(6,15]	(2,6]	(-∞,2]	0.053 7
	自然条件	海拔/m	[-22,0]∪[800,+∞)	(500,800)	(250,500]	(100,250]	(0,100]	0.035 1
		坡向	—	阴坡	半阴坡	半阳坡	阳坡	0.031 5
		距离河流距离/m	(2 000,+∞)	(1 500,2 000]	(1 000,1500]	(500,1 000]	(0,500]	0.040 8
	开发便利度	距道路距离/m	(5 000,+∞)	(3 500,5 000]	(2 000,3 500]	(500,2 000]	(0,500]	0.030 2
		距居民点距离/m	(5 000,+∞)	(3 500,5 000]	(2 000,3 500]	(500,2 000]	(0,500]	0.043 2
	土地利用现状	用地类型(三调地类编码)	05,07,08,09	00,03,04,12 及其他	10,11	06	01,02,1202	0.055 2
		人均耕地面积(亩^?(? 1 亩≈666.67 m2)/人)	[0,0.05]	(0.05,1]	(1,1.5]	(1.5,2]	(2,+∞)	0.036 8
	利用水平	单位耕地面积粮食产量/(kg·hm^-1)	[0,2 000]	(2 000,4 000]	(4 000,7 000]	(7 000,10 000]	(10 000,+∞)	0.052 1
生活适宜性	自然条件	坡度/(°)	(25,+∞)	(15,25]	(6,15]	(2,6]	(-∞,2]	0.031 2
		海拔/m	[-22,0]∪(1 000,+∞)	(800,1 000]	(600,800]	(400,600]	(0,400]	0.024 5
	土地利用现状	用地类型(三调地类编码)	12,00,01,1102	02,03,04	06,09	10,11及其他	05,07,08	0.022 4
		与城镇中心的距离/m	(5 000,+∞)	(3 500,5 000]	(2 000,3 500]	(500,2 000]	(0,500]	0.048 6
		人口密度(人/hm²)	(0,500]∪(7 000,+∞)	(5 000,7 000]	(3 000,5 000]	(1 000,3 000]	(500,1 000]	0.042 5
	公共服务	与教育基础设施的距离/m	(5 000,+∞)	(3 500,5 000]	(2 000,3 500]	(500,2 000]	(0,500]	0.041 6
		与医疗设施的距离/m	(5 000,+∞)	(3 500,5 000]	(2 000,3 500]	(500,2 000]	(0,500]	0.060 1
生态适宜性	自然条件	坡度/(°)	(25,+∞)	(15,25]	(6,15]	(2,6]	(-∞,2]	0.030 2
		海拔/m	(1 000,+∞)	(800,1 000]	(600,800]	(400,600]	[-22,400]	0.031 9
		景观破碎度	规则性差	规则性较差	规则性一般	规则性较好	规则性好	0.061 2
	环境质量	植被指数	[0,0.05]	(0.05,0.1]	(0.1,0.3]	(0.3,0.5]	(0.5,+∞)	0.060 6
		生物丰度	[0,1 259]	(1 259,3 568]	(3 568,7 136]	(7 136,11 613]	(11 613,+∞)	0.051 2
	区位因素	与建设用地的距离/m	(0,500]	(500,2 000]	(2 000,3 500]	(3 500,5 000]	(5 000,+∞)	0.070 9
		距水体距离/m	(5 000,+∞)	(3 500,5 000]	(2 000,3 500]	(500,2 000]	(0,500]	0.044 5

Tab.1 Multi-objective suitability evaluation index system and weight table of Nanchang City

Tab.2 Empirical model of land use conflict identification

Fig.2 Spatial distribution of production, life and ecological suitability in Nanchang

Tab.3 Statistics of production living and ecological suitability results

Fig.3 Identification results of potential land use conflict in Nanchang

Tab.4 Result statistics of potential land use conflict areas

分区调控类型	分区依据	主导用地类型	面积/hm²	占比/%	调控措施
优先治理-城乡发展区PM1	南昌大都市/安义绿色发展区/进贤综合发展区+剧烈冲突区/强烈冲突区	建设用地	33 267.99	4.62	优先治理,刚性与弹性的结合,一方面贯彻建设用地总量控制与永久基本农田保护,另一方面预留一定面积作为弹性用地,防止潜在土地利用冲突转化为现实
优先治理-粮食发展区PM2	赣江下游粮食主产区/锦江流域粮食主产区/抚河流域粮食主产区/军山湖沿岸富硒农业区+剧烈冲突区/强烈冲突区	耕地、园地、其他农用地	82 352.32	11.45	优先治理,治理要点优先保护永久基本农田,HC3与SC3紧邻生活区的可划分为弹性城镇发展区
优先治理-生态保护区PM3	鄱阳湖生态核心区/梅岭-峤岭/军山湖+剧烈冲突区/强烈冲突区	草地、林地、未利用地、水域	23 543.67	3.27	生态优先,HC1与HC2中连片性较好的划入耕地范围,严格管控建设用地扩张
重点治理-城乡发展区KM1	南昌大都市/安义绿色发展区/进贤综合发展区+中度冲突区	建设用地	7 988.28	1.11	挖掘城市空间资源,防止优质耕地被建设用地占用,引导该区域发展设施农业和高价值经济作物来提升农业竞争力
重点治理-粮食发展区KM2	赣江下游粮食主产区/锦江流域粮食主产区/抚河流域粮食主产区/军山湖沿岸富硒农业区+中度冲突区	耕地、园地、其他农用地	22 745.45	3.16	重点治理,治理要点优先保留生产适宜性,其他优化空间环境矛盾
重点治理-生态保护区KM3	鄱阳湖生态核心区/梅岭-峤岭/军山湖+剧烈冲突区/强烈冲突区	草地、林地、未利用地、水域	10 586.07	1.47	生态优先,HC1与HC2中连片性较好的划入耕地范围,严格管控建设用地扩张
稳步推进-城乡发展区SP1	南昌大都市/安义绿色发展区/进贤综合发展区+微弱冲突区/用地适宜区	建设用地	118 697.52	16.50	稳步持续推进城乡发展
稳步推进-粮食发展区SP2	赣江下游粮食主产区/锦江流域粮食主产区/抚河流域粮食主产区/军山湖沿岸富硒农业区+微弱冲突区/用地适宜区	耕地、园地、其他农用地	265 407.20	36.89	稳步持续推进粮食种植
稳步推进-生态保护区SP3	鄱阳湖生态核心区/梅岭-峤岭/军山湖+微弱冲突区/用地适宜区	草地、林地、未利用地、水域	154 911.50	21.53	可持续保护生态环境

Tab.5 Nanchang district regulation

Fig.4 Types of land use conflict regulation in Nanchang City

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[1]	TIAN Liulan, LYU Siyu, WU Zhaopeng, WANG Juanjuan, SHI Xinpeng. Changes and spatial conflict measurement of land use in Urumqi City[J]. Remote Sensing for Natural Resources, 2023, 35(4): 282-291.

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