Dynamics of Forestland Transfer and Its Influence in East China

doi:10.13466/j.cnki.lyzygl.2019.02.001

Abstract

Abstract:

Based on the research of the forest inventory data of the seven provinces in East China,it was found that forestry land and non-forestry land were transferred into each other with the times.Most of the transfers were between arbor woodland,special shrub land,the immature forestland and the developed land that includes the farmland and the land used for building.The transfers in Shandong and He’ nan provinces were more significant than those in Anhui and Zhejiang provinces,and the transfers were slight in Fujian and Jiangxi provinces.It was a positive correlation between the change of forest cover rate and the number of the above-mentioned transfers.Moreover,the transfers were near balance.Once the balance was destroyed,a significant influence will be exerted to the provinces with low forest cover rate.

Key words: forest inventory, land use type, forestland, transfer, forest cover rate

CLC Number:

F326.2
S757

Cite this article

ZHANG Jinliang, WU Wenyao, KONG Yuguang, GONG Yanping, WEI Mingliang, LU Hongchun. Dynamics of Forestland Transfer and Its Influence in East China[J]. FOREST RESOURCES WANAGEMENT, 2019, (2): 1-6.

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https://www.lyzygl.com.cn/EN/Y2019/V0/I2/1

Figures/Tables 7

Tab.1

Land use dynamics of the sample plots in East China$\ \ \ \ \ \ \ \ \ \ \ \ $plot

后期地类		前期地类
		合计	乔木林地					特殊灌木林地	一般灌木林地	竹林地	疏林地	未成林造林地	苗圃地	采伐火烧迹地	宜林地	<25° 耕地	≥25° 耕地	牧草地	水域	未利用地	建设用地
		合计	防护林	特用林	用材林	薪炭林	经济林	特殊灌木林地	一般灌木林地	竹林地	疏林地	未成林造林地	苗圃地	采伐火烧迹地	宜林地	<25° 耕地	≥25° 耕地	牧草地	水域	未利用地	建设用地
合计		52126	4293	560	6673	53	763	1930	832	1243	168	668	140	247	1090	22467	206	28	4403	276	6086
乔木林地	防护林	4807	3681	20	540	5	42	35	120	5	46	79	1	35	95	65	5	3	5	5	20
	特用林	635	49	479	25	0	4	2	15	2	3	9	1	2	6	19	0	0	0	0	19
	用材林	6484	233	25	4870	18	68	84	26	18	41	346	31	90	107	381	12	5	26	10	93
	薪炭林	43	5	1	4	23	0	0	4	0	1	2	0	1	2	0	0	0	0	0	0
	经济林	689	4	2	27	0	532	13	1	3	1	15	1	7	24	53	0	0	1	0	5
特殊灌木林地		1985	22	1	60	0	9	1522	3	2	1	35	2	2	18	292	5	2	2	0	7
一般灌木林地		780	17	1	8	2	5	3	633	5	3	4	0	13	49	14	0	2	2	10	9
竹林地		1356	23	1	54	0	18	17	2	1190	2	6	0	8	12	13	4	0	0	0	6
疏林地		158	31	5	32	3	5	0	0	0	50	9	0	4	16	1	1	0	0	1	0
未成林造林地		672	58	3	178	0	18	16	11	5	3	40	0	38	95	171	9	1	9	5	12
苗圃地		230	3	1	9	0	7	10	0	0	0	3	85	0	3	105	0	0	2	0	2
采伐火烧迹地		236	43	4	142	1	8	15	3	1	7	9	0	2	1	0	0	0	0	0	0
宜林地		803	20	1	27	0	12	8	1	2	5	30	0	35	610	23	7	2	4	4	12
<25°耕地		21483	51	1	435	0	21	145	1	4	2	52	11	4	18	20483	8	1	111	4	131
≥25°耕地		172	0	0	1	0	1	4	0	0	0	0	0	0	4	8	153	0	0	0	1
牧草地		18	0	0	0	0	0	0	0	0	0	0	0	0	0	7	0	11	0	0	0
水域		4482	5	0	34	0	0	9	0	0	0	8	0	3	6	215	0	0	4148	27	27
未利用地		237	0	0	1	0	0	0	0	0	1	0	0	0	0	12	1	0	17	192	13
建设用地		6856	48	15	226	1	13	47	12	6	2	21	8	3	24	605	1	1	76	18	5729

Tab.1

Tab.2

Sample plots transfered from forest lands into non-forest lands counted as forest lands in each province of east China$\ \ \ \ \ \ \ \ \ \ \ \ $plot

地类		福建 2013	河南 2013	浙江 2014	安徽 2014	江苏 2015	江西 2016	山东 2017
总样地数		5051	10355	4252	11678	8536	2608	9646
前期林地数		3803	3113	2760	3746	1486	1671	2081
转出合计		25	260	60	181	386	15	321
乔木林地	小计	15	177	7	142	287	8	217
	防护林	4	16	1	14	31	3	35
	特用林	—	—	—	—	15	—	1
	用材林	4	140	5	127	238	5	178
	薪炭林	—	—	—	1	—	—	—
	经济林	7	21	1	—	3	—	3
特殊灌木林地		—	6	42	21	69	5	62
一般灌木林地		—	6	—	4	—	—	3
竹林地		1	—	6	2	1	—	—
疏林地		—	2	—	—	—	—	3
未成林造林地		3	50	2	3	14	—	9
苗圃地		—	8	1	1	5	—	4
采伐火烧迹地		1	1	—	2	3	—	3
宜林地		5	10	2	6	7	2	20

Tab.2

Tab.3

Sample plots transfered from forest lands into non-forest lands counted as non-forest lands in each province of east China$\ \ \ \ \ \ \ \ \ \ \ \ $plot

地类	福建 2013	河南 2013	浙江 2014	安徽 2014	江苏 2015	江西 2016	山东 2017
合计	25	260	60	181	386	15	321
<25°耕地	2	167	33	98	232	2	211
≥25°耕地	1	1	5	—	—	—	3
水域	3	13	1	9	26	—	13
未利用地	—	—	—	—	—	—	2
建设用地	19	79	21	74	128	13	92

Tab.3

Tab.4

Sample plots trandsfered from non-forest lands into forest lands counted as non-forest lands in each province of east China$\ \ \ \ \ \ \ \ \ \ \ \ $plot

地类	福建 2013	河南 2013	浙江 2014	安徽 2014	江苏 2015	江西 2016	山东 2017
总样地数	5051	10355	4252	11678	8536	2608	9646
前期非林地数	1248	7242	1492	7932	7050	937	7565
转出合计	75	278	56	233	355	31	438
<25°耕地	45	187	30	190	285	18	382
≥25°耕地	12	16	13	—	—	1	1
牧地	2	1	—	9	1	2	—
水域	2	8	1	6	15	—	19
未利用地	6	11	4	2	2	4	6
建设用地	8	55	8	26	52	6	30

Tab.4

Tab.5

Sample plots trandsfered into forest lands from non-forest lands counted as forest lands in each province of east China$\ \ \ \ \ \ \ \ \ \ \ \ $plot

地类		福建 2013	河南 2013	浙江 2014	安徽 2014	江苏 2015	江西 2016	山东 2017
转为合计		75	278	56	233	355	31	438
乔木林地	小计	29	175	18	101	251	13	140
	防护林	1	22	1	5	62	3	9
	特用林	—	4	5	1	19	—	9
	用材林	24	102	10	94	169	10	118
	经济林	4	47	2	1	1	—	4
特殊灌木林地		—	6	21	54	47	5	175
一般灌木林地		2	8	2	3	6	3	13
竹林地		7	—	7	5	—	4	—
疏林地		3	—	—	—	—	—	—
未成林造林地		32	34	6	45	22	6	62
苗圃地		—	17	—	23	25	—	44
宜林地		2	38	2	2	4	—	4

Tab.5

Tab.6

Contrast between the number of the sample plots transferred in each province of east China

地类	山东 2007	山东 2012	山东 2017	江苏 2005	江苏 2010	江苏 2015	安徽 2004	安徽 2009	安徽 2014	河南 2008	河南 2013	福建 2013	浙江 2014	江西 2016
总样地数/个	9646	9646	9646	8536	8536	8536	11674	11678	11678	10355	10355	5051	4252	2608
前期林地数/个	1779	2147	2081	831	1070	1486	3485	3714	3746	2830	3113	3803	2760	1671
转入林地数/个	694	339	438	364	546	355	340	150	233	522	278	75	56	31
转出林地数/个	326	405	321	125	137	386	107	118	181	239	260	25	60	15
转入-转出/个	368	-66	117	239	409	-31	233	32	52	283	18	50	-4	16
(转入-转出)÷前期林地数/%	20.69	-3.07	5.62	28.76	38.22	-2.09	6.69	0.86	1.39	10	0.58	1.31	-0.14	0.96
(转入-转出)÷总样地数/%	3.82	-0.68	1.21	2.80	4.79	-0.36	2.00	0.27	0.45	2.73	0.17	0.99	-0.09	0.61
森林覆盖率消长/%	3.28	0.01	0.78	2.94	5.32	-0.60	2.03	1.47	1.12	3.97	1.34	2.85	0.36	1.15

Tab.6

Fig.1

Forest cover age and changes of the forest land in each province of east China

Fig.1

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