Transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient

Water use efficiency is among the most important eco-physiological strategies for species adaptation to water-limiting habitats. However, understanding of how co-occurring species adopt diverse water use strategies to cope with water- and resource-limited soil habitats via the adaptation of leaf fun...

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Autores principales:	Jing Wang, Xuefa Wen, Sidan Lyu, Qingjun Guo
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Water use efficiency Stomatal conductance Plant functional traits Stable isotopes Leaf economics spectrum Leaf limiting-resource spectrum Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/e6188f643bef4291a89f52f06567bd43
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spelling	oai:doaj.org-article:e6188f643bef4291a89f52f06567bd432021-12-01T04:54:15ZTransition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient1470-160X10.1016/j.ecolind.2021.107838https://doaj.org/article/e6188f643bef4291a89f52f06567bd432021-09-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21005033https://doaj.org/toc/1470-160XWater use efficiency is among the most important eco-physiological strategies for species adaptation to water-limiting habitats. However, understanding of how co-occurring species adopt diverse water use strategies to cope with water- and resource-limited soil habitats via the adaptation of leaf functional traits remains limited. Here, leaf δ13C and δ18O were used as proxies for water use efficiency (WUE) and stomatal conductance (gs) across a soil limiting-resource gradient from a non-karst primary forest to karst communities including primary forest, secondary forest, shrubland, and grassland. Leaf apparent morphology, stomatal morphology, macro- and micro-nutrients and stoichiometry were measured. We found that there were significant differences in soil physical and chemical properties across five communities, forming a soil limiting-resource gradient. Co-occurring species in each community segregated along a continuous and wide range of WUE and gs, revealing a wide spectrum of stomatal regulation intensity and contrasting water use strategies. Multiple leaf functional traits separated into two principal components: leaf economics spectrum (LES) and leaf limiting-resource spectrum (LLRS). As the stress intensity of soil limiting-resource increases, the number of composition traits of LLRS increased and the dominant traits of LLRS shifted from leaf-thickness to macro-nutrients. The major driver of gs variability in each community was LES. Variability in WUE in forests was mainly determined by LES, in shrubland by LLRS, and in grassland by neither LES nor LLRS. Our study illustrated for the first time how soil limiting-resource induced changes in multi-dimensional leaf traits with effects on water use strategies of co-occurring species: the variability in WUE was mainly controlled by the leaf economic spectrum in mild soil limiting-resource habitats; however, that effect was replaced or offset by leaf limiting-resource spectrum in moderate or severe soil limiting-resource habitats.Jing WangXuefa WenSidan LyuQingjun GuoElsevierarticleWater use efficiencyStomatal conductancePlant functional traitsStable isotopesLeaf economics spectrumLeaf limiting-resource spectrumEcologyQH540-549.5ENEcological Indicators, Vol 128, Iss , Pp 107838- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Water use efficiency Stomatal conductance Plant functional traits Stable isotopes Leaf economics spectrum Leaf limiting-resource spectrum Ecology QH540-549.5
spellingShingle	Water use efficiency Stomatal conductance Plant functional traits Stable isotopes Leaf economics spectrum Leaf limiting-resource spectrum Ecology QH540-549.5 Jing Wang Xuefa Wen Sidan Lyu Qingjun Guo Transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient
description	Water use efficiency is among the most important eco-physiological strategies for species adaptation to water-limiting habitats. However, understanding of how co-occurring species adopt diverse water use strategies to cope with water- and resource-limited soil habitats via the adaptation of leaf functional traits remains limited. Here, leaf δ13C and δ18O were used as proxies for water use efficiency (WUE) and stomatal conductance (gs) across a soil limiting-resource gradient from a non-karst primary forest to karst communities including primary forest, secondary forest, shrubland, and grassland. Leaf apparent morphology, stomatal morphology, macro- and micro-nutrients and stoichiometry were measured. We found that there were significant differences in soil physical and chemical properties across five communities, forming a soil limiting-resource gradient. Co-occurring species in each community segregated along a continuous and wide range of WUE and gs, revealing a wide spectrum of stomatal regulation intensity and contrasting water use strategies. Multiple leaf functional traits separated into two principal components: leaf economics spectrum (LES) and leaf limiting-resource spectrum (LLRS). As the stress intensity of soil limiting-resource increases, the number of composition traits of LLRS increased and the dominant traits of LLRS shifted from leaf-thickness to macro-nutrients. The major driver of gs variability in each community was LES. Variability in WUE in forests was mainly determined by LES, in shrubland by LLRS, and in grassland by neither LES nor LLRS. Our study illustrated for the first time how soil limiting-resource induced changes in multi-dimensional leaf traits with effects on water use strategies of co-occurring species: the variability in WUE was mainly controlled by the leaf economic spectrum in mild soil limiting-resource habitats; however, that effect was replaced or offset by leaf limiting-resource spectrum in moderate or severe soil limiting-resource habitats.
format	article
author	Jing Wang Xuefa Wen Sidan Lyu Qingjun Guo
author_facet	Jing Wang Xuefa Wen Sidan Lyu Qingjun Guo
author_sort	Jing Wang
title	Transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient
title_short	Transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient
title_full	Transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient
title_fullStr	Transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient
title_full_unstemmed	Transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient
title_sort	transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/e6188f643bef4291a89f52f06567bd43
work_keys_str_mv	AT jingwang transitioninmultidimensionalleaftraitsandtheircontrolsonwaterusestrategiesofcooccurringspeciesalongasoillimitingresourcegradient AT xuefawen transitioninmultidimensionalleaftraitsandtheircontrolsonwaterusestrategiesofcooccurringspeciesalongasoillimitingresourcegradient AT sidanlyu transitioninmultidimensionalleaftraitsandtheircontrolsonwaterusestrategiesofcooccurringspeciesalongasoillimitingresourcegradient AT qingjunguo transitioninmultidimensionalleaftraitsandtheircontrolsonwaterusestrategiesofcooccurringspeciesalongasoillimitingresourcegradient
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Transition in multi-dimensional leaf traits and their controls on water use strategies of co-occurring species along a soil limiting-resource gradient

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