Comprehensive evaluation of agricultural natural resources in Zhejiang Province

doi:10.16178/j.issn.0528-9017.20231028

Abstract

Abstract:

To efficiently and reasonably allocate agricultural natural resources and ensure their sustainable and efficient utilization, this study comprehensively evaluated the guarantee degree and utilization effect of agricultural resources in Zhejiang Province from 2016 to 2020 by combining quantitative and qualitative analysis. We focused on the selected 22 specific resource indicators of five categories, including land, water, forest, fishery and climate. Based on the results, the key points and difficulties in the comprehensive development and utilization of agricultural natural resources are put forward. It has important practical significance for promoting the green and high-quality development of agriculture in Zhejiang Province.

Key words: agricultural natural resources, comprehensive evaluation, countermeasure

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WANG Meiqing, XU Ping. Comprehensive evaluation of agricultural natural resources in Zhejiang Province[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(1): 211-217.

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URL: http://www.zjnykx.cn/EN/10.16178/j.issn.0528-9017.20231028

http://www.zjnykx.cn/EN/Y2025/V66/I1/211

Figures/Tables 6

Fig.1 Changes in construction land area in Zhejiang Province from 2015 to 2020

Fig.2 Changes in total water resources in Zhejiang Province from 2015 to 2020

Table 1 Changes in water consumption composition and structure in Zhejiang Province in 2015 and 2020

组成	2020 年/ %	2015年/ %	2020年较2015年增幅/百分点
农业:农田灌溉	39.14	38.57	0.57
农业:林牧渔畜	5.91	6.93	-1.02
工业	21.79	27.73	-5.51
城镇公共	10.90	8.92	1.98
居民生活	18.00	14.92	3.08
生态环境	4.26	2.93	1.33
总计	100.00	100.00	0

Table 1 Changes in water consumption composition and structure in Zhejiang Province in 2015 and 2020

组成	2020 年/ %	2015年/ %	2020年较2015年增幅/百分点
农业:农田灌溉	39.14	38.57	0.57
农业:林牧渔畜	5.91	6.93	-1.02
工业	21.79	27.73	-5.51
城镇公共	10.90	8.92	1.98
居民生活	18.00	14.92	3.08
生态环境	4.26	2.93	1.33
总计	100.00	100.00	0

Fig.3 Area proportion and volume proportion of various age groups in arboreal forest in 2020

Table 2 Weights and target values of comprehensive evaluation indicators

类别	具体指标	权重	2020年目标值	说明
土地资源	农用地面积/万hm²	10	872.67	近十年最大值
	垦殖指数/%	8	17.91	“十三五”规划指标计算
	一等田占标准农田比重/%	6	70	“十三五”规划指标
	土地生产率/(元·hm^-2)	6	15 923	“十三五”规划指标计算
水资源	水资源总量/亿m³	5	>976.17	多年均值
	农业用水量/亿m³	6	<102.74	多年均值
农田灌溉亩均用水量	667 m²农田灌溉用水量/m³	3	350	“十三五”规划指标
	灌溉水利用系数	4	0.6	“十三五”规划指标
	地表水Ⅰ~Ⅲ类水质断面占比/%	4	80	“十三五”规划指标
森林资源	林地面积/万hm²	6	660	“十三五”规划指标
	活立木总蓄积/亿m³	5	4.0	“十三五”约束性指标
	森林覆盖率/%	5	61	“十三五”约束性指标
渔业资源	海水养殖总面积/万hm²	4	10.5	省水产养殖规划面积
	淡水养殖面积/万hm²	3	21	省水产养殖规划面积
	水产品总产量/万t	2	600	“十三五”规划指标
	每千瓦功率年捕捞量/t	2	1.3	“十三五”规划指标
	养殖水域综合水质优良率/%	3	100	目标值
气候资源	年降水量/mm	5	1 603.8	多年平均
	年平均气温/℃	4	16.9	常年平均
	年日照时数/h	3	1 735	常年平均
	平均酸雨率/%	3	91.6	常年平均
	农业受灾面积/万hm²	3	4.61	近十年最小值

Table 2 Weights and target values of comprehensive evaluation indicators

类别	具体指标	权重	2020年目标值	说明
土地资源	农用地面积/万hm²	10	872.67	近十年最大值
	垦殖指数/%	8	17.91	“十三五”规划指标计算
	一等田占标准农田比重/%	6	70	“十三五”规划指标
	土地生产率/(元·hm^-2)	6	15 923	“十三五”规划指标计算
水资源	水资源总量/亿m³	5	>976.17	多年均值
	农业用水量/亿m³	6	<102.74	多年均值
农田灌溉亩均用水量	667 m²农田灌溉用水量/m³	3	350	“十三五”规划指标
	灌溉水利用系数	4	0.6	“十三五”规划指标
	地表水Ⅰ~Ⅲ类水质断面占比/%	4	80	“十三五”规划指标
森林资源	林地面积/万hm²	6	660	“十三五”规划指标
	活立木总蓄积/亿m³	5	4.0	“十三五”约束性指标
	森林覆盖率/%	5	61	“十三五”约束性指标
渔业资源	海水养殖总面积/万hm²	4	10.5	省水产养殖规划面积
	淡水养殖面积/万hm²	3	21	省水产养殖规划面积
	水产品总产量/万t	2	600	“十三五”规划指标
	每千瓦功率年捕捞量/t	2	1.3	“十三五”规划指标
	养殖水域综合水质优良率/%	3	100	目标值
气候资源	年降水量/mm	5	1 603.8	多年平均
	年平均气温/℃	4	16.9	常年平均
	年日照时数/h	3	1 735	常年平均
	平均酸雨率/%	3	91.6	常年平均
	农业受灾面积/万hm²	3	4.61	近十年最小值

Table 3 Comprehensive evaluation index scores of agricultural natural resources in Zhejiang Province

类别	具体指标	2016年	2017年	2018年	2019年	2020年
土地资源	农用地面积/万hm²	9.85	9.84	9.82	9.85	9.95
	垦殖指数/%	8	8	8	8	8
	一等田占标准农田比重/%	4.01	5.00	4.41	4.51	4.57
	土地生产率/(元·hm^-2)	5.64	5.60	5.43	5.80	5.78
水资源	水资源总量/亿m³	5.00	4.68	4.53	5.00	5.00
	农业用水量/亿m³	6	6	6	6	6
农田灌溉亩均用水量	667 m²农田灌溉用水量/m³	3.00	2.99	3.00	3.00	3.00
	灌溉水利用系数	3.91	3.95	3.95	4.00	4.00
	地表水Ⅰ~Ⅲ类水质断面占比/%	3.87	4.00	4.00	4.00	4.00
森林资源	林地面积/万hm²	6.00	6.00	6.00	6.00	5.99
	活立木总蓄积/亿m³	4.14	4.38	4.38	4.81	5.00
	森林覆盖率/%	5	5	5	5	5
渔业资源	海水养殖总面积/万hm²	3.39	2.90	3.26	3.12	3.14
	淡水养殖面积/万hm²	2.89	2.83	2.83	2.47	2.46
	水产品总产量/万t	2.00	1.98	1.99	2.00	2.00
	每千瓦功率年捕捞量/t	1.75	1.91	1.52	1.49	1.48
	养殖水域综合水质优良率/%	2.68	2.67	2.67	2.75	2.75
气候资源	年降水量/mm	4.0	4.5	5.0	4.5	5.0
	年平均气温/℃	3.2	3.2	3.2	3.2	3.2
	年日照时数/h	0	1.5	2.1	0	0
	平均酸雨率/%	3	3	3	3	3
	农业受灾面积/万hm²	0.36	0.33	0.41	0.37	1.21
	合计(综合评价指数得分)	87.69	90.26	90.50	88.87	90.53

Table 3 Comprehensive evaluation index scores of agricultural natural resources in Zhejiang Province

类别	具体指标	2016年	2017年	2018年	2019年	2020年
土地资源	农用地面积/万hm²	9.85	9.84	9.82	9.85	9.95
	垦殖指数/%	8	8	8	8	8
	一等田占标准农田比重/%	4.01	5.00	4.41	4.51	4.57
	土地生产率/(元·hm^-2)	5.64	5.60	5.43	5.80	5.78
水资源	水资源总量/亿m³	5.00	4.68	4.53	5.00	5.00
	农业用水量/亿m³	6	6	6	6	6
农田灌溉亩均用水量	667 m²农田灌溉用水量/m³	3.00	2.99	3.00	3.00	3.00
	灌溉水利用系数	3.91	3.95	3.95	4.00	4.00
	地表水Ⅰ~Ⅲ类水质断面占比/%	3.87	4.00	4.00	4.00	4.00
森林资源	林地面积/万hm²	6.00	6.00	6.00	6.00	5.99
	活立木总蓄积/亿m³	4.14	4.38	4.38	4.81	5.00
	森林覆盖率/%	5	5	5	5	5
渔业资源	海水养殖总面积/万hm²	3.39	2.90	3.26	3.12	3.14
	淡水养殖面积/万hm²	2.89	2.83	2.83	2.47	2.46
	水产品总产量/万t	2.00	1.98	1.99	2.00	2.00
	每千瓦功率年捕捞量/t	1.75	1.91	1.52	1.49	1.48
	养殖水域综合水质优良率/%	2.68	2.67	2.67	2.75	2.75
气候资源	年降水量/mm	4.0	4.5	5.0	4.5	5.0
	年平均气温/℃	3.2	3.2	3.2	3.2	3.2
	年日照时数/h	0	1.5	2.1	0	0
	平均酸雨率/%	3	3	3	3	3
	农业受灾面积/万hm²	0.36	0.33	0.41	0.37	1.21
	合计(综合评价指数得分)	87.69	90.26	90.50	88.87	90.53

References 6

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