A Preliminary Report on the New Growth of Natural Broad-leaved Saplings One Year After the Clear-cutting of Pinus massoniana Plantation

doi:10.13466/j.cnki.lyzygl.2019.06.020

Abstract

Abstract:

After 1 year's conservation,there were as much as 71 tree species and 64 547 N/hm² density of new enriched natural broad-leaved saplings in the clear-cutting blank of Pinus massoniana plantation in Yong'an city.Among them,there were 38 natural broad-leaved arbor species,with an important value of 30.64% and density of 12 200 N/hm².The number of natural evergreen and deciduous broad-leaved arbor species were 22 and 16 respectively,which are very precious natural broad-leaved arbor species resources and the important foundation of the vegetation management for plantation in this region.Among these natural broad-leaved arbor species,there were many valuable or high-valued timber species,such as Machilus thunbergii,Schima superba,Cyclobalanopsis glauca,Castanopsis carlesii,Castanopsis hystrix,Machilus pauhoi,Phoebe bournei,Sassafras tzumu,Paulownia,Choerospondias axillaris and Alniphyllum fortunei.

Key words: Pinus massoniana plantation, clear-cutting blank, conservation, natural regeneration, broad-leaved sapling

CLC Number:

S754.1
S755

WANG Jinchi, HUANG Ruchu, HUANG Qinglin, MA Zhibo, ZHENG Qunrui, YAN Minghai. A Preliminary Report on the New Growth of Natural Broad-leaved Saplings One Year After the Clear-cutting of Pinus massoniana Plantation[J]. FOREST RESOURCES WANAGEMENT, 2019, (6): 115-120.

Figures/Tables 3

Tab.1

The important value of new enriched natural broad-leaved saplings in the clear-cutting blank after 1 year's conservation

序号	树种	树种特性	株数/(株/h $m 2)$ )	相对多度/%	相对频度/%	相对优势度/%	重要值/%
1	山苍子Litsea cubeba	落叶灌木	46 467	71.99	4.67	73.41	50.02
2	东南野桐Mallotus lianus	落叶乔木	8 087	12.53	4.67	11.71	9.64
3	山油麻Trema dielsiana	落叶灌木	3 440	5.33	4.67	5.67	5.22
4	檫树Sassafras tzumu	落叶乔木	960	1.49	4.36	1.50	2.45
5	泡桐Paulownia fortunei	落叶乔木	980	1.52	4.05	1.55	2.37
6	细枝柃Eurya loquaiana	常绿灌木	540	0.84	4.05	0.64	1.84
7	南酸枣Choerospondias axillaris	落叶乔木	573	0.89	3.74	0.85	1.83
8	白背叶野桐Mallotus apelta	落叶灌木	447	0.69	4.05	0.50	1.75
9	盐肤木Rhus chinensis	落叶灌木	313	0.49	4.05	0.30	1.61
10	山乌桕Sapium discolor	落叶乔木	133	0.21	4.05	0.28	1.51
11	荚蒾Viburnum dilatatum	落叶灌木	267	0.41	3.74	0.27	1.47
12	千年桐Vernicia montana	落叶乔木	200	0.31	2.80	0.30	1.14
13	茶Camellia sinensis	常绿灌木	147	0.23	2.49	0.18	0.97
14	赛山梅Styrax confusus	落叶乔木	187	0.29	2.18	0.42	0.96
15	丝栗栲Castanopsis fargesii	常绿乔木	93	0.14	2.49	0.16	0.93
16	拟赤杨Alniphyllum fortunei	落叶乔木	133	0.21	2.18	0.29	0.89
17	毛冬青Ilex pubescens	常绿灌木	73	0.11	2.18	0.09	0.80
18	楤木Aralia chinensis	落叶灌木	133	0.21	1.87	0.10	0.73
19	黄瑞木Adinandra millettii	常绿灌木	87	0.13	1.87	0.10	0.70
20	红楠Machilus thunbergii	常绿乔木	80	0.12	1.87	0.09	0.69
21	虎皮楠Daphniphyllum oldhami	常绿乔木	73	0.11	1.56	0.08	0.58
22	黄楠Machilus grijsii	常绿乔木	53	0.08	1.56	0.05	0.56
23	润楠Machilus pingii	常绿乔木	33	0.05	1.56	0.04	0.55
24	油桐Vernicia fordii	落叶乔木	47	0.07	1.25	0.08	0.47
25	秤星树Ilex asprella	落叶乔木	53	0.08	1.25	0.07	0.47
26	木荷Schima superba	常绿乔木	33	0.05	1.25	0.07	0.46
27	油茶Camellia oleifera	常绿灌木	47	0.07	1.25	0.05	0.46
28	岭南花椒Zanthoxylum austrosinense	常绿乔木	40	0.06	1.25	0.04	0.45
29	八角枫Alangium chinense	落叶乔木	40	0.06	1.25	0.04	0.45
30	野柿Diospyros kaki	落叶乔木	33	0.05	1.25	0.04	0.45
31	香椿Toona sinensis	落叶乔木	120	0.19	0.93	0.19	0.44
32	粗叶木Lasianthus chinensis	常绿灌木	80	0.12	0.93	0.11	0.39
33	吕宋荚蒾Viburnum luzonicum	落叶灌木	40	0.06	0.93	0.04	0.35
34	福建山矾Symplocos fukienensis	常绿乔木	27	0.04	0.93	0.05	0.34
35	枇杷叶紫珠Callicarpa kochiana	落叶灌木	20	0.03	0.93	0.03	0.33
36	青冈栎Cyclobalanopsis glauca	常绿乔木	20	0.03	0.93	0.03	0.33
37	米槠Castanopsis carlesii	常绿乔木	20	0.03	0.93	0.03	0.33
38	黄毛润楠Machilus chrysotricha	常绿乔木	20	0.03	0.93	0.02	0.33
39	硃砂根Ardisia crenata	常绿灌木	20	0.03	0.93	0.01	0.33
40	白花龙Styrax faberi	落叶灌木	53	0.08	0.62	0.09	0.26
41	细齿叶柃Eurya nitida	常绿灌木	33	0.05	0.62	0.02	0.23
42	漆树Toxicodendron vernicifluum	落叶乔木	27	0.04	0.62	0.02	0.23
43	山矾Symplocos sumuntia	常绿灌木	20	0.03	0.62	0.03	0.23
44	大叶山矾Symplocos grandis	常绿乔木	20	0.03	0.62	0.03	0.23
45	冬青Ilex chinensis	常绿乔木	13	0.02	0.62	0.02	0.22
46	树参Dendropanax dentiger	常绿乔木	13	0.02	0.62	0.01	0.22
47	石栎Lithocarpus glaber	常绿乔木	27	0.04	0.31	0.03	0.13
48	山胡椒Lindera glauca	落叶灌木	20	0.03	0.31	0.04	0.13
49	胡颓子Elaeagnus pungens	常绿灌木	13	0.02	0.31	0.03	0.12
50~71	其他22种		147	0.23	6.85	0.16	2.41
合计	71种树种		64 547	100.00	100.00	100.00	100.00

Tab.1

Tab.2

Tab. 3

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树种类别	种数/种	种数比例/%	平均树高/cm	株数密度/(株/hm²)	株数比例/%	重要值/%
阔叶乔木树种小计	38	53.52	113.2	12 200	18.90	30.64
常绿阔叶乔木	22	30.99	101.3	613	0.95	7.13
落叶阔叶乔木	16	22.54	113.8	11 587	17.95	23.51
阔叶灌木树种小计	33	46.48	118.7	52 347	81.10	69.36
常绿阔叶灌木	20	28.17	89.4	1 127	1.75	7.15
落叶阔叶灌木	13	18.31	119.4	51 220	79.35	62.21
阔叶树种合计	71	100.00	117.7	64 547	100.00	1000.00

对象	R	SW	E	ED	平均树高/cm	株数密度/(株/hm²)
样地1	42	2.30	0.43	0.33	121.2	44 280
样地2	40	1.68	0.32	0.52	110.2	59 180
样地3	48	1.25	0.22	0.70	120.9	90 180
合计	71	1.74	0.28	0.54	117.7	64 547

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