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题名: Biomass, diversity and composition of epiphytic macrolichens in primary and secondary forests in the subtropical Ailao Mountains, SW China
作者: Li, Su1, 2; Liu, Wenyao1; Wang, Lisong3; Ma, Wenzhang1, 3; Song, Liang1, 2
刊名: FOREST ECOLOGY AND MANAGEMENT
关键词: Epiphytic lichen ; Litterfall ; Community structure ; Canopy openness ; Evergreen broad-leaved forest ; Middle-aged oak secondary forest (MOSF)
英文摘要: Epiphytic macrolichen litterfall was collected over 3 years from primary evergreen broad-leaved forests (PF), Populus bonatii secondary forests (PBSF), middle-aged oak secondary forests (MOSF) and old-aged oak secondary forests (OOSF) of the Ailao Mountains in SW China. To assess changes in the epiphyte communities of the subtropical forests, we compared the differences in biomass, species diversity and community structure of epiphytic lichens from the four forest types. A total of 51 species were recorded in this study. Species richness was highest in the PF, while a-diversity was highest in the MOSF. Lichen biomass differed markedly across the four forest types and was highest in the MOSF. The contribution of each dominant species to total biomass, except Nephromopsis mato, was significantly different among forest types. Moreover, the percent contribution of foliose chlorolichens to litterfall tended to be higher in later-succession forest types, whereas the contributions of cyanolichens and fruticose chlorolichens were lower in these forest types. Compared to the PF, the lichen community structure in secondary forests differed significantly, implying that at least a few hundred years were needed for the restoration of these lichen communities. In particular, nineteen lichens were suggested as indicators, and eleven of them were present in the MOSF. Canonical correspondence analysis (CCA) indicated that the observed differences were mainly attributed to canopy openness and the size of the largest tree, which represented an environmental gradient from exposed to sheltered habitats. The diversity of host tree species was also important in determining the composition and distribution of macrolichens. Our findings support the idea that the maintenance of the forest landscape mosaic of heterogeneous forest types may be an important management practice to maintain or promote the epiphytic lichen community of the subtropical Ailao Mountains. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
出版日期: 2011-06-01
卷号: 261, 期号:11, 页码:1760-1770
DOI标识: 10.1016/j.foreco.2011.01.037
语种: 英语
收录类别: SCI
学科分类: Forestry
ISSN号: 0378-1127
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3984
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, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Kunming 650223, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China

Recommended Citation:
Li, Su; Liu, Wenyao; Wang, Lisong; Ma, Wenzhang; Song, Liang.Biomass, diversity and composition of epiphytic macrolichens in primary and secondary forests in the subtropical Ailao Mountains, SW China,FOREST ECOLOGY AND MANAGEMENT,2011,261(11):1760-1770
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