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题名: Structure of the Epiphyte Community in a Tropical Montane Forest in SW China
作者: null(赵明旭)1, 2, 5; Geekiyanage, Nalaka3, 4; null(许建初)1, 5; Khin, Myo Myo6; Nurdiana, Dian Ridwan7; Paudel, Ekananda1, 2, 5; Harrison, Rhett Daniel1, 5
刊名: PLOS ONE
英文摘要: Vascular epiphytes are an understudied and particularly important component of tropical forest ecosystems. However, owing to the difficulties of access, little is known about the properties of epiphyte-host tree communities and the factors structuring them, especially in Asia. We investigated factors structuring the vascular epiphyte-host community and its network properties in a tropical montane forest in Xishuangbanna, SW China. Vascular epiphytes were surveyed in six plots located in mature forests. Six host and four micro-site environmental factors were investigated. Epiphyte diversity was strongly correlated with host size (DBH, diameter at breast height), while within hosts the highest epiphyte diversity was in the middle canopy and epiphyte diversity was significantly higher in sites with canopy soil or a moss mat than on bare bark. DBH, elevation and stem height explained 22% of the total variation in the epiphyte species assemblage among hosts, and DBH was the most important factor which alone explained 6% of the variation. Within hosts, 51% of the variation in epiphyte assemblage composition was explained by canopy position and substrate, and the most important single factor was substrate which accounted for 16% of the variation. Analysis of network properties indicated that the epiphyte host community was highly nested, with a low level of epiphyte specialization, and an almost even interaction strength between epiphytes and host trees. Together, these results indicate that large trees harbor a substantial proportion of the epiphyte community in this forest.
出版日期: 2015-04-09
卷号: 10, 期号:4, 页码:e0122210
DOI标识: 10.1371/journal.pone.0122210
语种: 英语
收录类别: SCI
学科分类: Multidisciplinary Sciences
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/20660
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Kyoto Univ, Grad Sch Agr, Div Forest & Biomat Sci, Lab Trop Forest Resources & Environm, Kitashirakawa Oiwake, Kyoto, Japan
4.Rajarata Univ Sri Lanka, Fac Agr, Dept Plant Sci, Anuradhapura, Sri Lanka
5.World Agroforestry Ctr, East Asia Off, Kunming, Yunnan, Peoples R China
6.Wildlife Conservat Soc, Yangon, Myanmar
7.Indonesian Inst Sci, Cibodas Bot Garden, Cianjur, West Java, Indonesia
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