浙江省耕地利用转型时空演变特征分析

doi:10.3969/j.issn.1004-1524.2021.04.20

浙江农业学报 ›› 2021, Vol. 33 ›› Issue (4): 753-760.DOI: 10.3969/j.issn.1004-1524.2021.04.20

浙江省耕地利用转型时空演变特征分析

苗苗(), 迮寒露, 吴永华^*()

浙江省农业科学院农村发展研究所,浙江杭州 310021

收稿日期:2020-12-23 出版日期:2021-04-25 发布日期:2021-04-25
通讯作者: 吴永华
作者简介:*吴永华,E-mail:wuyh@zaas.ac.cn
苗苗(1988—),女,河南驻马店人,博士,助理研究员,从事城乡土地资源利用与农村发展问题研究。E-mail:blessmiumiu@163.com
基金资助:
浙江省发改委农业资源区划课题(2020R18A60C06)

Spatio-temporal evolution characteristics of cultivated land use transition in Zhejiang Province

MIAO Miao(), ZE Hanlu, WU Yonghua^*()

Institute of Rural Development, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China

Received:2020-12-23 Online:2021-04-25 Published:2021-04-25
Contact: WU Yonghua

摘要/Abstract

摘要：

基于浙江省2000、2010、2020年3期土地利用数据,构建涉及耕地利用转型的图谱分析模型,利用ArcGIS 10.6软件揭示浙江省耕地利用转型的时空演变特征。结果表明,浙江省耕地利用转型以林地占补和向建设用地转出为主,空间上由杭嘉湖平原、杭绍甬地区、甬温沿海经济带向浙中盆地丘陵区呈“C”型集聚,“东占西补”特征明显;耕地利用转型数量和空间分离度增加,耕地面积“占大于补”,但占补缺口正在缩小;耕地利用转型以后期变化型(即变化发生在2010—2020年)为主,林地是耕地补充的主要来源,建设用地占用耕地问题严重。基于此,建议持续盘活存量、带动增量、应对变量,推动山水林田湖草系统治理逻辑下的耕地资源优化配置和土地利用空间正义,实现耕地补充和建设用地保障“双向平衡”,生态保护、粮食安全、发展空间“三位一体”。

关键词: 耕地利用转型, 时空特征, 地学信息图谱, 浙江省

Abstract:

Based on the land use data of Zhejiang in 2000, 2010 and 2020, geo-information tupu model regarding cultivated land use transition was constructed, and the spatio-temporal evolution characteristics of cultivated land use transition in Zhejiang Province were revealed by using ArcGIS 10.6 software. It was shown that the cultivated land use transition in Zhejiang mainly consisted of forestland occupation and supplementation, as well as transition to construction land, with a C-shaped spatial agglomeration, and presented remarkable characteristics of east-occupation-west-supplementation, and the spatial distribution changed from Hangjiahu plain, Hangshaoyong region and Yongwen coastal economic belt to the basin hilly region. The amount and separation degree of cultivated land use transition increased, and the occupation area was greater than the supplementation area, yet the gap narrowed. The cultivated land use transition mainly happened in the period of 2010-2020. The forestland was the main source for cultivated land supplementation, and the occupation of cultivated land by construction land was a major concern. In view of this, it was suggested that the stock should be revitalized, the increment should be promoted, and the variables should be tackled. What’s more, the allocation of cultivated land resources should be optimized and the justice of land use should be ensured to finally realize the bidirectional balance of cultivated land supplementation and construction land safeguard, as well as the coordination of trinity system, which consists of ecological protection, food security and development space.

Key words: cultivated land use transition, spatio-temporal characteristics, geo-information tupu, Zhejiang Province

中图分类号:

S-9
F301

苗苗, 迮寒露, 吴永华. 浙江省耕地利用转型时空演变特征分析[J]. 浙江农业学报, 2021, 33(4): 753-760.

MIAO Miao, ZE Hanlu, WU Yonghua. Spatio-temporal evolution characteristics of cultivated land use transition in Zhejiang Province[J]. Acta Agriculturae Zhejiangensis, 2021, 33(4): 753-760.

图/表 6

参考文献 24

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时期 Period	转型类别 Transition type	图谱单元数 Number of tupu unit	面积 Area/km²	变化率 Rate of change/%	空间分离度 Degree of separation
2000—2010	2→1	7 609	5 364.92	25.12	1.19
	1→2	6 179	5 650.66	26.45	1.02
	1→5	2 584	3 090.95	14.47	1.20
	5→1	2 259	990.96	4.64	3.50
	4→1	1 083	552.72	2.59	4.35
	1→4	1 060	738.84	3.46	3.22
	3→1	746	238.89	1.12	8.36
	1→3	729	274.30	1.28	7.19
	1→6	12	4.27	0.02	59.22
	6→1	13	3.52	0.02	74.80
	合计Total	22 274	16 910.03	79.17	164.05
2010—2020	1→2	7 635	5 975.66	23.74	1.16
	2→1	6 277	5 810.98	23.08	1.08
	1→5	3 661	3 583.41	14.23	1.34
	5→1	2 669	1 825.55	7.25	2.25
	1→4	1 332	722.24	2.87	4.01
	4→1	1 062	773.94	3.07	3.34
	1→3	900	281.85	1.12	8.44
	3→1	754	247.16	0.98	8.81
	1→6	17	4.82	0.02	67.84
	6→1	13	2.86	0.01	100.09
	合计Total	24 320	19 228.47	76.37	198.36

时期 Period	转型类别 Transition type	图谱单元数 Number of tupu unit	面积 Area/km²	变化率 Rate of change/%	空间分离度 Degree of separation
2000—2010	2→1	7 609	5 364.92	25.12	1.19
	1→2	6 179	5 650.66	26.45	1.02
	1→5	2 584	3 090.95	14.47	1.20
	5→1	2 259	990.96	4.64	3.50
	4→1	1 083	552.72	2.59	4.35
	1→4	1 060	738.84	3.46	3.22
	3→1	746	238.89	1.12	8.36
	1→3	729	274.30	1.28	7.19
	1→6	12	4.27	0.02	59.22
	6→1	13	3.52	0.02	74.80
	合计Total	22 274	16 910.03	79.17	164.05
2010—2020	1→2	7 635	5 975.66	23.74	1.16
	2→1	6 277	5 810.98	23.08	1.08
	1→5	3 661	3 583.41	14.23	1.34
	5→1	2 669	1 825.55	7.25	2.25
	1→4	1 332	722.24	2.87	4.01
	4→1	1 062	773.94	3.07	3.34
	1→3	900	281.85	1.12	8.44
	3→1	754	247.16	0.98	8.81
	1→6	17	4.82	0.02	67.84
	6→1	13	2.86	0.01	100.09
	合计Total	24 320	19 228.47	76.37	198.36

类型 Type	转型变化 Transition	面积 Area/km²	贡献率 Contribution rate/%
Ⅰ	1→2→2	3 549.74	8.91
	1→5→5	1 608.41	4.04
	2→1→1	1 603.70	4.03
	5→1→1	596.03	1.50
	4→1→1	288.24	0.72
	小计Sub-total	7 977.08	20.03
Ⅱ	2→1→2	3 298.34	8.28
	1→2→1	1 578.73	3.96
	1→5→1	1 204.39	3.02
	1→4→1	364.78	0.92
	5→1→5	283.49	0.71
	小计Sub-total	6 968.13	17.50
Ⅲ	2→2→1	3 941.37	9.90
	1→1→5	2 859.75	7.18
	1→1→2	2 408.93	6.05
	1→1→4	485.87	1.22
	5→5→1	356.48	0.90
	小计Sub-total	10 531.70	26.45
Ⅳ	1→2→5	331.08	0.83
	2→1→5	288.93	0.73
	2→5→1	186.15	0.47
	1→5→2	176.17	0.44
	1→4→5	124.78	0.31
	1→3→2	107.5	0.27
	1→2→3	106.62	0.27
	5→2→1	105.81	0.27
	小计Sub-total	2 634.18	6.62
Ⅴ	1→1→1	11 707.75	29.40
总计Total	39 818.84	100.00

类型 Type	转型变化 Transition	面积 Area/km²	贡献率 Contribution rate/%
Ⅰ	1→2→2	3 549.74	8.91
	1→5→5	1 608.41	4.04
	2→1→1	1 603.70	4.03
	5→1→1	596.03	1.50
	4→1→1	288.24	0.72
	小计Sub-total	7 977.08	20.03
Ⅱ	2→1→2	3 298.34	8.28
	1→2→1	1 578.73	3.96
	1→5→1	1 204.39	3.02
	1→4→1	364.78	0.92
	5→1→5	283.49	0.71
	小计Sub-total	6 968.13	17.50
Ⅲ	2→2→1	3 941.37	9.90
	1→1→5	2 859.75	7.18
	1→1→2	2 408.93	6.05
	1→1→4	485.87	1.22
	5→5→1	356.48	0.90
	小计Sub-total	10 531.70	26.45
Ⅳ	1→2→5	331.08	0.83
	2→1→5	288.93	0.73
	2→5→1	186.15	0.47
	1→5→2	176.17	0.44
	1→4→5	124.78	0.31
	1→3→2	107.5	0.27
	1→2→3	106.62	0.27
	5→2→1	105.81	0.27
	小计Sub-total	2 634.18	6.62
Ⅴ	1→1→1	11 707.75	29.40
总计Total	39 818.84	100.00

浙江省耕地利用转型时空演变特征分析

Spatio-temporal evolution characteristics of cultivated land use transition in Zhejiang Province

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