四川黄龙沟森林植被中兰科植物群落优势种种间联结和相关分析

doi:10.17521/cjpe.2007.0109

植物生态学报 ›› 2007, Vol. 31 ›› Issue (5): 865-872.DOI: 10.17521/cjpe.2007.0109

四川黄龙沟森林植被中兰科植物群落优势种种间联结和相关分析

黄宝强²^,³^,⁴(), 罗毅波¹^,²^,^*(), 于飞海⁵, 唐思远⁶, 董立⁶, 安德军⁶

1 全国兰科植物种质资源保护中心, 深圳 518114
2 中国科学院植物研究所系统与进化植物学国家重点实验室, 北京 100093
3 中国科学院研究生院, 北京 100049
4 南昌工程学院, 南昌 330099
5 中国科学院植物研究所植被与环境变化重点实验室, 北京 100093
6 四川省黄龙国家级风景名胜区管理局,四川黄龙 624000

收稿日期:2006-05-29 接受日期:2006-09-08 出版日期:2007-05-29 发布日期:2007-09-30
通讯作者: 罗毅波
作者简介:* E-mail: luoyb@ibcas.ac.cn
E-mail: hbq-eric@ibcas.a.cn
基金资助:
国际科技合作重点计划项目(2001CB711103)

INTERSPECIFIC RELATIONSHIPS OF DOMINANT SPECIES IN ORCHID COMMUNITIES OF FOREST VEGETATION IN HUANGLONG VALLEY, SICHUAN, CHINA

HUANG Bao-Qiang²^,³^,⁴(), LUO Yi-Bo¹^,²^,^*(), YU Fei-Hai⁵, TANG Si-Yuan⁶, DONG Li⁶, AN De-Jun⁶

¹The National Orchid Conservation Center, Shenzhen 518114, China
²State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
³Graduate University of Chinese Academy of Sciences, Beijing 100049, China
⁴Nanchang Institute of Technology, Nanchang 330099, China
⁵Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
⁶Huanglong Administration of National Scenic Spot, Huanglong, Sichuan 624000, China

Received:2006-05-29 Accepted:2006-09-08 Online:2007-05-29 Published:2007-09-30
Contact: LUO Yi-Bo

摘要/Abstract

摘要：

四川黄龙沟内分布着十分丰富的兰科植物(19属30余种),并且部分种类在沟内形成优势群落。目前尚不清楚在群落中这些兰科植物种之间作用关系。运用种间关联分析和相关分析对黄龙沟森林植被兰科植物群落中的24个优势种的种间关系进行了研究。两种分析方法得到的结果相近,表明黄龙沟优势兰科植物可以分为两组。一组包括无苞杓兰(Cypripedium bardolphianum)、黄花杓兰(C. flavum)、二叶红门兰(Orchis diantha)、广布红门兰(Orchis chusua)、少花虾脊兰(Calanthe delavayi)和西藏杓兰(C. tibeticum),主要分布在光线充足但又具有一定遮荫条件的环境中;另一组包括筒距兰(Tipularia szechuanica)、沼兰(Malaxis monophyllos)、珊瑚兰(Corallorhiza trifida)、小斑叶兰(Goodyera repens)、布袋兰(Calypso bulbosa)、小花舌唇兰(Platanthera minutiflora)和小叶对叶兰(Listera smithii),它们主要分布于荫蔽的环境中。这些兰科植物在组内大多呈现显著的正相关关系,组间大多呈现显著的负相关关系,说明黄龙沟兰科植物在资源利用方式上可能产生了分化。

关键词: 黄龙沟, 兰科植物, 种间关系

Abstract:

Aims The Huanglong Valley of Sichuan is rich in orchid species, with >30 species in 19 genera, and some orchids dominate the herbaceous layer. However, little is known about their interspecific relationships. Our aim was to investigate how the orchid species interact with each other and with other species.

Methods We sampled 6 621 m×1 m releves in the orchid communities in Huanglong Valley, selected 24 dominant species according to importance values and studied interspecific associations and correlations by usingχ²-tests and Spearman rank correlations.

Important findings Results of χ²-tests of species associations and Spearman rank correlations were consistent and indicated two groups of dominant species. One group, including Cypripedium bardolphianum, C. flavum, C. tibeticum, Orchis diantha, O. chusua and Calanthe delavayi, is mostly distributed where both light and shade are provided by tree overstories. The other group, including Tipularia szechuanica, Malaxis monophyllos, Corallorhiza trifida, Goodyera repens, Calypso bulbosa, Platanthera minutiflora and Listera smithii, is mostly distributed in shade. Non-orchid species, Arctous rube, Gentiana scabra, Pedicularis davidii, Elymus nutans and Pinguicula alpine, which are mostly distributed in open areas, are significantly positively correlated with orchid species of the first group, but mostly negatively correlated with the second group. In contrast, Clintonia udensis, Pedicularis humilis and Carex lehmanii, which are mostly distributed in shaded environmental conditions, have reverse correlations with the two orchid groups. Polygonum macrophyllum, Pyrola calliantha and the orchid Oreorchis nana show no obvious correlations with either of the orchid groups. Our findings indicate that the interspecific interactions of orchid species of Huanglong Valley are complex and the orchid species may have differentiated with regard to the resource use. Reproductive facilitation may play an important role for orchid species diversity in this area.

Key words: Huanglong Valley, orchid species, interspecific relationship

黄宝强, 罗毅波, 于飞海, 唐思远, 董立, 安德军. 四川黄龙沟森林植被中兰科植物群落优势种种间联结和相关分析. 植物生态学报, 2007, 31(5): 865-872. DOI: 10.17521/cjpe.2007.0109

HUANG Bao-Qiang, LUO Yi-Bo, YU Fei-Hai, TANG Si-Yuan, DONG Li, AN De-Jun. INTERSPECIFIC RELATIONSHIPS OF DOMINANT SPECIES IN ORCHID COMMUNITIES OF FOREST VEGETATION IN HUANGLONG VALLEY, SICHUAN, CHINA. Chinese Journal of Plant Ecology, 2007, 31(5): 865-872. DOI: 10.17521/cjpe.2007.0109

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链接本文: https://www.plant-ecology.com/CN/10.17521/cjpe.2007.0109

https://www.plant-ecology.com/CN/Y2007/V31/I5/865

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参考文献 32

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植物种 Plant species	频度 Frequency (%)	盖度 Cover (%)	重要值 Important value (%)	高度 Height (cm)	种名代号 Species code
(a)兰科植物 Orchid species
无苞杓兰 Cypripedium bardolphianum	40.94	1.926 3	4.107 5	3.7	1
黄花杓兰 Cypripedium flavum	48.49	5.685 6	7.553 3	27.9	2
二叶红门兰 Orchis diantha	36.86	1.718 3	3.685 6	2.9	3
广布红门兰 Orchis chusua	31.27	0.707 1	2.534 0	2.9	4
少花虾脊兰 Calanthe delavayi	45.77	4.607 9	6.530 4	10.3	5
西藏杓兰 Cypripedium tibeticum	33.69	1.540 0	3.344 4	12.8	6
硬叶山兰 Oreorchis nana	5.74	0.094 3	0.437 2	1.2	7
筒距兰 Tipularia szechuanica	13.44	0.522 2	1.261 8	1.1	8
沼兰 Malaxis monophyllos	4.68	0.773 3	0.906 6	3.6	9
珊瑚兰 Corallorhiza trifida	3.02	0.024 2	0.210 0	10.4	10
小斑叶兰 Goodyera repens	21.15	0.143 4	1.449 4	0.7	11
布袋兰 Calypso bulbosa	3.32	0.017 4	0.223 8	1.1	12
小花舌唇兰 Platanthera minutiflora	6.04	0.053 2	0.423 8	4.6	13
小叶对叶兰 Listera smithii	3.17	0.026 6	0.221 4	5.8	14
(b)非兰科植物 Other species
红北极果 Arctous ruber	56.65	20.181 7	19.515 8	4.1	15
圆穗蓼 Polygonum macrophyllum	76.44	6.731 6	10.144 9	8.4	16
龙胆 Gentiana scabra	43.35	0.984 4	3.516 4	3.5	17
矮马先蒿 Pedicularis humilis	27.49	1.560 3	2.969 1	2.3	18
扭盔马先蒿 Pedicularis davidii	20.85	0.711 9	1.879 2	6.9	19
垂穗披碱草 Elymus nutans	52.11	4.579 2	4.530 2	11.1	20
膨囊苔草 Carex lehmanii	26.28	3.633 9	4.530 2	10.1	21
捕虫堇 Pinguicula alpina	8.76	0.176 1	0.692 7	0.6	22
鹿蹄草 Pyrola calliantha	6.65	0.627 4	0.915 4	4.1	23
七筋姑 Clintonia udensis	16.77	0.181 8	1.202 9	5.8	24

植物种 Plant species	频度 Frequency (%)	盖度 Cover (%)	重要值 Important value (%)	高度 Height (cm)	种名代号 Species code
(a)兰科植物 Orchid species
无苞杓兰 Cypripedium bardolphianum	40.94	1.926 3	4.107 5	3.7	1
黄花杓兰 Cypripedium flavum	48.49	5.685 6	7.553 3	27.9	2
二叶红门兰 Orchis diantha	36.86	1.718 3	3.685 6	2.9	3
广布红门兰 Orchis chusua	31.27	0.707 1	2.534 0	2.9	4
少花虾脊兰 Calanthe delavayi	45.77	4.607 9	6.530 4	10.3	5
西藏杓兰 Cypripedium tibeticum	33.69	1.540 0	3.344 4	12.8	6
硬叶山兰 Oreorchis nana	5.74	0.094 3	0.437 2	1.2	7
筒距兰 Tipularia szechuanica	13.44	0.522 2	1.261 8	1.1	8
沼兰 Malaxis monophyllos	4.68	0.773 3	0.906 6	3.6	9
珊瑚兰 Corallorhiza trifida	3.02	0.024 2	0.210 0	10.4	10
小斑叶兰 Goodyera repens	21.15	0.143 4	1.449 4	0.7	11
布袋兰 Calypso bulbosa	3.32	0.017 4	0.223 8	1.1	12
小花舌唇兰 Platanthera minutiflora	6.04	0.053 2	0.423 8	4.6	13
小叶对叶兰 Listera smithii	3.17	0.026 6	0.221 4	5.8	14
(b)非兰科植物 Other species
红北极果 Arctous ruber	56.65	20.181 7	19.515 8	4.1	15
圆穗蓼 Polygonum macrophyllum	76.44	6.731 6	10.144 9	8.4	16
龙胆 Gentiana scabra	43.35	0.984 4	3.516 4	3.5	17
矮马先蒿 Pedicularis humilis	27.49	1.560 3	2.969 1	2.3	18
扭盔马先蒿 Pedicularis davidii	20.85	0.711 9	1.879 2	6.9	19
垂穗披碱草 Elymus nutans	52.11	4.579 2	4.530 2	11.1	20
膨囊苔草 Carex lehmanii	26.28	3.633 9	4.530 2	10.1	21
捕虫堇 Pinguicula alpina	8.76	0.176 1	0.692 7	0.6	22
鹿蹄草 Pyrola calliantha	6.65	0.627 4	0.915 4	4.1	23
七筋姑 Clintonia udensis	16.77	0.181 8	1.202 9	5.8	24

	各显著水平下的种对数 Number of species pairs associated at different significance levels
	极显著(p≤0.01) Distinctly significant		显著(p≤0.05) Significant		不显著(p>0.05) Not significant
		正相关 Positive	负相关 Negative	正相关 Positive	负相关 Negative	正相关 Positive	负相关 Negative
χ²检验 χ²-tests of species associations	69	61	11	13	56	66
Spearman秩相关 Spearman rank correlations	73	69	16	19	46	53

	各显著水平下的种对数 Number of species pairs associated at different significance levels
	极显著(p≤0.01) Distinctly significant		显著(p≤0.05) Significant		不显著(p>0.05) Not significant
		正相关 Positive	负相关 Negative	正相关 Positive	负相关 Negative	正相关 Positive	负相关 Negative
χ²检验 χ²-tests of species associations	69	61	11	13	56	66
Spearman秩相关 Spearman rank correlations	73	69	16	19	46	53

四川黄龙沟森林植被中兰科植物群落优势种种间联结和相关分析

INTERSPECIFIC RELATIONSHIPS OF DOMINANT SPECIES IN ORCHID COMMUNITIES OF FOREST VEGETATION IN HUANGLONG VALLEY, SICHUAN, CHINA

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