Investigation of Habitat Characteristics and Protection Countermeasures of Dendrobium fanjingshanense in Jiulong Mountain National Nature Reserve

doi:10.13466/j.cnki.lyzygl.2018.02.021

Abstract

Abstract:

Because of the scarcity of resources,Dendrobium fanjingshanense has important development value.In order to better protect and utilize the precious resources,the habitats of D.fanjingshanense in Jiulong Mountain National Nature Reserve were investigated.The results showed that D.fanjingshanense was mainly attached to arbor tree species,and the height distribution is mainly between 15m and 20m.The flowering rate of D.fanjingshanense is up to 64.8%.However,the rate of seed bearing was very low.The canopy density of the community was about 70%.The average temperature in the community from May to September was 21.8 ℃,and the average relative humidity was 98.4%.According to the survey data,the accumulation amount (fresh weight) in the area is about 10 kg.Finally,the relevant protection countermeasure were proposed.

Key words: Jiulong Mountain National Nature Reserve, Dendrobium fanjingshanense, habitats, investigation, countermeasure

CLC Number:

S602.4
S567.239

Cite this article

PAN Chengchun, LIU Julian, HUANG Bangwen, HU Youjin, CAI Chenchen, KANG Huajing. Investigation of Habitat Characteristics and Protection Countermeasures of Dendrobium fanjingshanense in Jiulong Mountain National Nature Reserve[J]. FOREST RESOURCES WANAGEMENT, 2018, (2): 132-137.

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Figures/Tables 4

Tab.1

Investigation on the number of Dendrobium fanjingshanense and characteristics of its epiphytic tree species

编号	树种名称	胸径/cm	树高/m	分布高度/m	梵净山石斛丛数/丛	开花丛数/丛
1	檵木Loropetalum chinense	7	5	4	1	0
2	铁冬青Ilex rotunda	15	15	11	2	0
3	糙叶树Aphananthe aspera	12	20	15	3	2
4	赤杨叶Alniphyllum fortunei	30	22	17	7	5
5	赤杨叶	28	22	15	25	20
6	赤杨叶	6	6	4	2	0
7	矩叶卫矛Euonymus oblongifolius	10	6	5	2	0
8	檵木	40	13	7	8	7
9	兴山榆Ulmus bergmanniana	20	25	20	1	1
10	柔毛泡花树Meliosma myriantha	20	20	15	2	0
11	毛红椿Toona ciliata Roem.var.pubescens	30	28	20	2	0
12	树参Dendropanax dentiger	8	10	6	1	0
13	南酸枣choerospondias axillaris(Roxb.)Burtt et Hill	28	22	15	4	3
14	九龙山榧Torreya grandis var.jiulongshanensis	50	20	10	12	3
15	毛红椿	45	30	20	84	60
16	云山青冈Cyclobalanopsis sessilifolia	30	20	13	2	1
17	甜槠Castanopsis eyrei	35	25	10	1	1
	小计				159	103

Tab.1

Fig.1

The diurnal variation of light intensity of Dendrobium fanjingshanense communities inside and outside(Taking the survey data in June 15,2016 as an example)

Fig.1

Fig.2

The temperature and relative humidity diurnal variation of the Dendrobium fanjingshanense community inside and outside

Fig.2

Fig.3

The comparison of the day (years) average temperature and the day (years) average relative humidity of the Dendrobium fanjingshanense community inside and outside

Fig.3

References 6

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