Environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages

Abstract Environmental filtering consistently shapes the functional and phylogenetic structure of species across space within diverse forests. However, poor descriptions of community functional and lineage distributions across space hamper the accurate understanding of coexistence mechanisms. We com...

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Autores principales:	Mengesha Asefa, Min Cao, Guocheng Zhang, Xiuqin Ci, Jie Li, Jie Yang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3f7cfc28aa854899bb54060c33dcf34c
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spelling	oai:doaj.org-article:3f7cfc28aa854899bb54060c33dcf34c2021-12-02T12:31:53ZEnvironmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages10.1038/s41598-017-00166-z2045-2322https://doaj.org/article/3f7cfc28aa854899bb54060c33dcf34c2017-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00166-zhttps://doaj.org/toc/2045-2322Abstract Environmental filtering consistently shapes the functional and phylogenetic structure of species across space within diverse forests. However, poor descriptions of community functional and lineage distributions across space hamper the accurate understanding of coexistence mechanisms. We combined environmental variables and geographic space to explore how traits and lineages are filtered by environmental factors using extended RLQ and fourth-corner analyses across different spatial scales. The dispersion patterns of traits and lineages were also examined in a 20-ha tropical rainforest dynamics plot in southwest China. We found that environmental filtering was detected across all spatial scales except the largest scale (100 × 100 m). Generally, the associations between functional traits and environmental variables were more or less consistent across spatial scales. Species with high resource acquisition-related traits were associated with the resource-rich part of the plot across the different spatial scales, whereas resource-conserving functional traits were distributed in limited-resource environments. Furthermore, we found phylogenetic and functional clustering at all spatial scales. Similar functional strategies were also detected among distantly related species, suggesting that phylogenetic distance is not necessarily a proxy for functional distance. In summary, environmental filtering considerably structured the trait and lineage assemblages in this species-rich tropical rainforest.Mengesha AsefaMin CaoGuocheng ZhangXiuqin CiJie LiJie YangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mengesha Asefa Min Cao Guocheng Zhang Xiuqin Ci Jie Li Jie Yang Environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages
description	Abstract Environmental filtering consistently shapes the functional and phylogenetic structure of species across space within diverse forests. However, poor descriptions of community functional and lineage distributions across space hamper the accurate understanding of coexistence mechanisms. We combined environmental variables and geographic space to explore how traits and lineages are filtered by environmental factors using extended RLQ and fourth-corner analyses across different spatial scales. The dispersion patterns of traits and lineages were also examined in a 20-ha tropical rainforest dynamics plot in southwest China. We found that environmental filtering was detected across all spatial scales except the largest scale (100 × 100 m). Generally, the associations between functional traits and environmental variables were more or less consistent across spatial scales. Species with high resource acquisition-related traits were associated with the resource-rich part of the plot across the different spatial scales, whereas resource-conserving functional traits were distributed in limited-resource environments. Furthermore, we found phylogenetic and functional clustering at all spatial scales. Similar functional strategies were also detected among distantly related species, suggesting that phylogenetic distance is not necessarily a proxy for functional distance. In summary, environmental filtering considerably structured the trait and lineage assemblages in this species-rich tropical rainforest.
format	article
author	Mengesha Asefa Min Cao Guocheng Zhang Xiuqin Ci Jie Li Jie Yang
author_facet	Mengesha Asefa Min Cao Guocheng Zhang Xiuqin Ci Jie Li Jie Yang
author_sort	Mengesha Asefa
title	Environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages
title_short	Environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages
title_full	Environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages
title_fullStr	Environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages
title_full_unstemmed	Environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages
title_sort	environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/3f7cfc28aa854899bb54060c33dcf34c
work_keys_str_mv	AT mengeshaasefa environmentalfilteringstructurestreefunctionaltraitscombinationandlineagesacrossspaceintropicaltreeassemblages AT mincao environmentalfilteringstructurestreefunctionaltraitscombinationandlineagesacrossspaceintropicaltreeassemblages AT guochengzhang environmentalfilteringstructurestreefunctionaltraitscombinationandlineagesacrossspaceintropicaltreeassemblages AT xiuqinci environmentalfilteringstructurestreefunctionaltraitscombinationandlineagesacrossspaceintropicaltreeassemblages AT jieli environmentalfilteringstructurestreefunctionaltraitscombinationandlineagesacrossspaceintropicaltreeassemblages AT jieyang environmentalfilteringstructurestreefunctionaltraitscombinationandlineagesacrossspaceintropicaltreeassemblages
_version_	1718394209693597696

Environmental filtering structures tree functional traits combination and lineages across space in tropical tree assemblages

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