六盘山甘肃片区土地利用多功能与多维相对贫困的时空耦合关系

doi:10.12118/j.issn.1000-6060.2024.447

摘要/Abstract

摘要： 为探究土地利用多功能与多维相对贫困相互影响的程度和方式，明确二者的时空耦合关系，本研究聚焦六盘山甘肃片区，构建土地利用多功能与多维相对贫困耦合协调模型，探究2010—2020年土地利用多功能与多维相对贫困耦合协调时空分布格局，并根据协调关系划分耦合协调类型。结果表明：（1） 2010—2020年六盘山甘肃片区土地利用多功能水平和多维减贫程度提升显著，二者均由中低水平转向中高水平，且空间集聚效应突出。（2） 2010—2020年六盘山甘肃片区土地利用多功能与多维相对贫困耦合度略有下降，但整体上以高度耦合为主，两系统相互作用程度较强。空间上两系统耦合度呈现出西南高、东北低的特征，且不同程度耦合度存在聚集形态，空间差异明显。（3） 2010—2020年六盘山甘肃片区土地利用多功能与多维相对贫困的耦合协调度明显提升，两系统协调发展程度不断加强，但协调等级存在较大提升空间。（4） 2010—2020年六盘山甘肃片区土地利用多功能水平与多维相对贫困耦合协调类型以同步型为主，但协调等级多为失调。可见，通过提高土地利用多功能效率减缓多维相对贫困的模式在六盘山甘肃片区仍存在较大深化空间。

关键词: 土地利用多功能, 多维相对贫困, 综合指数, 耦合协调度, 六盘山甘肃片区

Abstract:

To explore the extent and mode of interaction between multifunctional land use and multidimensional relative poverty, and clarify their spatiotemporal coupling relationship, this study focuses on the Gansu section of Liupanshan, constructs a coupling coordination model of the two systems, and investigates the spatiotemporal distribution pattern of the coupling coordination between them from 2010 to 2020, and then classifies the coupling coordination types based on the coordination relationship. The results show that: (1) From 2010 to 2020, the level of multifunctional land use and the degree of multidimensional poverty reduction in the Gansu section of Liupanshan have significantly improved, both transitioning from a medium-low level to a mediumhighal level, with a prominent spatial agglomeration effect. (2) From 2010 to 2020, the coupling degree between multifunctional land use and multidimensional relative poverty in the Gansu section of Liupanshan slightly decreased. Still, overall, it was mainly highly coupled, indicating a strong interaction between the two systems. Spatially, the coupling degree of the two systems showed a pattern of being higher in the southwest and lower in the northeast, and there were agglomeration patterns of different degrees of coupling, with significant spatial differences. (3) From 2010 to 2020, the coupling coordination degree between multifunctional land use and multidimensional relative poverty in the Gansu section of Liupanshan significantly increased, and the degree of coordinated development between the two systems continuously strengthened. However, there was still considerable room for improvement in the coordination level. (4) From 2010 to 2020, the coupling coordination type between multifunctional land use and multidimensional relative poverty in the Gansu section of Liupanshan was mainly synchronous, but the coordination level was mostly uncoordinated. It can be seen that the model of reducing multidimensional relative poverty by improving the efficiency of multifunctional land use still has considerable room for deepening in the Gansu section of Liupanshan.

Key words: multifunctional land use, multidimensional relative poverty, comprehensive index, coupling coordination degree, the Gansu section of Liupanshan

袁梦, 谢保鹏, 田丽敏, 陈英, 裴婷婷. 六盘山甘肃片区土地利用多功能与多维相对贫困的时空耦合关系[J]. 干旱区地理, 2025, 48(7): 1304-1316.

YUAN Meng, XIE Baopeng, TIAN Limin, CHEN Ying, PEI Tingting. Spatiotemporal coupling relationship between multifunctional land use and multidimensional relative poverty in the Gansu section of Liupanshan[J]. Arid Land Geography, 2025, 48(7): 1304-1316.

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一级指标	二级指标	指标释义	属性	权重			均值
一级指标	二级指标	指标释义	属性	2010年	2015年	2020年	均值
生产功能	粮食单产/kg·hm^-2	粮食总产量/粮食作物播种面积	+	0.010	0.074	0.010	0.031
	土地垦殖率/%	耕地面积/土地总面积	+	0.030	0.025	0.028	0.028
	土地产出率/元·km^-2	地区生产总值/区域总面积	+	0.114	0.202	0.238	0.185
	农业产值占比/%	第一产业产值/地区生产总值	+	0.020	0.028	0.036	0.028
	财政贡献率/%	区域财政收入/全省财政总收入	+	0.047	0.045	0.063	0.052
生活功能	农村居民人均可支配收入/元	农村住户获得的经过初次分配与再分配后的收入	+	0.015	0.025	0.028	0.023
	建设用地比例/%	建设用地面积/土地总面积	+	0.172	0.222	0.223	0.205
	乡村从业人员密度/人·km^-2	乡村从业人员数量/土地面积	+	0.051	0.057	0.059	0.056
	城镇化水平/%	年末城镇居民人数/区域总人口	+	0.068	0.085	0.057	0.070
生态功能	森林覆盖率/%	林地面积/土地总面积	+	0.215	0.074	0.088	0.126
	水域覆盖比/%	水域面积/土地总面积	+	0.075	0.096	0.109	0.093
	主要农业资源面积/km²	耕地、园地、林地总面积	+	0.174	0.055	0.058	0.095
	单位面积农业化肥使用量/t·km^-2	农业化肥施用总量/耕地面积	-	0.010	0.013	0.005	0.009

一级指标	二级指标	指标释义	属性	权重			均值
一级指标	二级指标	指标释义	属性	2010年	2015年	2020年	均值
经济状况	政府抗风险程度/%	一般公共预算收入/一般公共预算支出	+	0.082	0.132	0.081	0.099
	居民抗风险水平/元·人^-1	居民储蓄存款余额/年末总人口	+	0.067	0.051	0.027	0.049
	金融宽松程度/元·人^-1	年末金融机构各项贷款余额/年末总人口	+	0.081	0.101	0.122	0.102
三大产业	人均耕地面积/km²·(10⁴人)^-1	年末耕地面积/年末总人口	+	0.124	0.136	0.146	0.135
	人均第一产业产值/元·人^-1	第一产业总产值/年末总人口	+	0.049	0.046	0.053	0.049
	人均第二、三产业产值/元·人^-1	第二、三产业总产值/年末总人口	+	0.128	0.109	0.095	0.110
	产业结构高级化水平/%	第二、三产业总产值/第一产业总产值	+	0.159	0.144	0.177	0.160
就业状况	乡村就业率/%	乡村从业人员/乡村人口数	+	0.048	0.019	0.017	0.028
就业状况	劳动力转移能力/%	第二、三产业从业人员/年末总人口	+	0.065	0.050	0.043	0.053
公共服务	受教育程度/%	小、中学在校学生数/年末总人口	+	0.021	0.023	0.034	0.026
	医疗设施水平/床·(10⁴人)^-1	医疗卫生机构床位数/年末总人口	+	0.050	0.040	0.058	0.049
	获取信息能力/部·(10⁴人)^-1	固定电话用户/年末总人口	+	0.034	0.067	0.066	0.056
	社会养老保障水平/床·(10⁴人)^-1	各种社会福利收养性单位床位数/年末总人口	+	0.092	0.082	0.080	0.085

耦合协调度（D）	耦合协调等级	系统差值	耦合协调类型
0≤D≤0.3	严重失调	F-Z<-0.1	严重失调土地利用多功能滞后型
		0≤\|F-Z\|≤0.1	严重失调同步型
		F-Z>0.1	严重失调多维相对贫困滞后型
0.3<D≤0.4	中度失调	F-Z<-0.1	中度失调土地利用多功能滞后型
		0≤\|F-Z\|≤0.1	中度失调同步型
		F-Z>0.1	中度失调多维相对贫困滞后型
0.4<D≤0.5	轻度失调	F-Z<-0.1	轻度失调土地利用多功能滞后型
		0≤\|F-Z\|≤0.1	轻度失调同步型
		F-Z>0.1	轻度失调多维相对贫困滞后型
0.5<D≤0.6	初级协调	F-Z<-0.1	初级协调土地利用多功能滞后型
		0≤\|F-Z\|≤0.1	初级协调同步型
		F-Z>0.1	初级协调多维相对贫困滞后型
0.6<D≤0.7	中级协调	F-Z<-0.1	中级协调土地利用多功能滞后型
		0≤\|F-Z\|≤0.1	中级协调同步型
		F-Z>0.1	中级协调多维相对贫困滞后型
0.7<D≤0.8	良好协调	F-Z<-0.1	良好协调土地利用多功能滞后型
		0≤\|F-Z\|≤0.1	良好协调同步型
		F-Z>0.1	良好协调多维相对贫困滞后型
0.8<D≤1	优质协调	F-Z<-0.1	优质协调土地利用多功能滞后型
		0≤\|F-Z\|≤0.1	优质协调同步型
		F-Z>0.1	优质协调多维相对贫困滞后型