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Fast restore of the structure and composition of hemiepiphytes after a heavy-snowfall event in a subtropical forest
Pu,Xiao-Yan; Li,Su; Hu,Tao; Wu,Yi; Lu,Zhi-Yun; Yang,Jian-Bo
2021
发表期刊ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY
ISSN1146-609X
卷号113页码:103770
摘要Since epiphytes mainly obtain water and nutrients from surrounding air, they are extremely sensitive to environmental changes, making them reliable bio-indicators for monitoring climate change. Hemiepiphytes are one common form of epiphytic plants, consisting of primary and secondary hemiepiphytes. It is thus reasonable to suppose that the hemiepiphytes should respond strongly to an extreme change in local climatic conditions. Based on survey data of hemiepiphytes (all the investigated species are primary hemiepiphytes) on trees before (2014) and after (2018) a heavy snowfall event (2015, depth of 50 cm), we examined differences in the distribution and abundance of individuals, population structure, and the general network structure of hemiepiphyte-host associations in a subtropical forest in the Ailao Mountains (Yunnan Province, in southwest China). Contrary to our hypothesis, the results revealed no significant changes for the distribution and abundance of this hemiepiphyte community before and after the heavy-snowfall event. The population structure of all hemiepiphytes (pooled) shifted from a dynamic to a stable state, but did not change on a per species basis. According to the constructed network's parameters, no significant differences were found between years, except for changed web asymmetry, linkage density, and interaction evenness. Our results suggest hemiepiphytes are highly resilient to extreme weather perturbations: within just four years after the snowfall, the community was nearly fully restored to its prior composition and structure. We propose this resilience capability is linked to their ecophysiological characteristics and distributions on host trees.
关键词Extreme climate Hemiepiphytic community Network analysis Perturbation response Population structure Snowfall VASCULAR EPIPHYTES AILAO MOUNTAINS CLIMATE-CHANGE CLOUD FOREST LICHENS COMMUNITIES DIVERSITY GROWTH DIFFERENTIATION SPECIALIZATION
DOI10.1016/j.actao.2021.103770
WOS记录号WOS:000700774000001
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/73521
专题中国科学院昆明植物研究所
作者单位1.[Pu, Xiao-Yan
2.Li, Su
3.Hu, Tao
4.Wu, Yi
5.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Kunming 650223, Yunnan, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Ailaoshan Stn Subtrop Forest Ecosyst Studies, Jingdong 676209, Yunnan, Peoples R China
8.Chinese Acad Sci, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
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GB/T 7714
Pu,Xiao-Yan,Li,Su,Hu,Tao,et al. Fast restore of the structure and composition of hemiepiphytes after a heavy-snowfall event in a subtropical forest[J]. ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY,2021,113:103770.
APA Pu,Xiao-Yan,Li,Su,Hu,Tao,Wu,Yi,Lu,Zhi-Yun,&Yang,Jian-Bo.(2021).Fast restore of the structure and composition of hemiepiphytes after a heavy-snowfall event in a subtropical forest.ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY,113,103770.
MLA Pu,Xiao-Yan,et al."Fast restore of the structure and composition of hemiepiphytes after a heavy-snowfall event in a subtropical forest".ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY 113(2021):103770.
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