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Strong intraspecific trait variation in a tropical dominant tree species along an elevational gradient
Xu, Wumei; Tomlinson, Kyle W.; Li, Jie
2020
Source PublicationPLANT DIVERSITY
ISSN2096-2703
Volume42Issue:1Pages:1-6
Abstract

Functional trait variation of plant species includes both inter- and intraspecific variation; however, trait-based plant ecology generally considers only interspecific variation while ignoring intraspecific variation. One reason for this neglect is that intraspecific variation may be negligible when compared to interspecific variation; however, direct comparisons between inter- and intraspecific variation of plant species are lacking, especially in tropical forests. Here we investigated intraspecific leaf trait variation (leaf area, specific leaf area, leaf thickness, leaf density, leaf chlorophyll content) of Pittosporopsis kerrii Craib (Icacinaceae), the most abundant tree species in the Xishuangbanna tropical seasonal rainforest in southwestern China, along an elevational gradient (703-824 m). We found a substantial range of intraspecific variation in P. kerrii that was never less than 22.1% of range of the interspecific variation among 462 tree species reported before in the same community. Moreover, with increased elevation, both leaf thickness and density increased and specific leaf area decreased significantly. It could be more important for the individuals of P. kerrii to produce thicker and denser leaves to tolerate environmental stress (e.g. soil water availability) rather than having high growth rates at the places with higher elevation in the Xishuangbanna tropical seasonal rainforest. Copyright (C) 2019 Kunming Institute of Botany, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.

KeywordFunctional traits Intraspecific variation Trade-off Tropical seasonal rainforest Xishuangbanna
Subject AreaPlant Sciences
DOI10.1016/j.pld.2019.10.004
Indexed BySCI
Language英语
WOS IDWOS:000517796100001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11621
Collection植物系统与保护生物学研究组
Affiliation1.Chinese Acad Sci, Ctr Integrat Conservat, Xishuangbanna Trop Bot Garden, Plant Phylogenet & Conservat Grp, Kunming 650223, Yunnan, Peoples R China
2.Tomlinson, Kyle W.] Chinese Acad Sci, Ctr Integrat Conservat, Community Ecol & Conservat Grp, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
Recommended Citation
GB/T 7714
Xu, Wumei,Tomlinson, Kyle W.,Li, Jie. Strong intraspecific trait variation in a tropical dominant tree species along an elevational gradient[J]. PLANT DIVERSITY,2020,42(1):1-6.
APA Xu, Wumei,Tomlinson, Kyle W.,&Li, Jie.(2020).Strong intraspecific trait variation in a tropical dominant tree species along an elevational gradient.PLANT DIVERSITY,42(1),1-6.
MLA Xu, Wumei,et al."Strong intraspecific trait variation in a tropical dominant tree species along an elevational gradient".PLANT DIVERSITY 42.1(2020):1-6.
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