Leaf functional traits differentiation in relation to covering materials of urban tree pits

Abstract Background Understanding the ecological strategies of urban trees to the urban environment is crucial to the selection and management of urban trees. However, it is still unclear whether urban tree pit cover will affect plant functional traits. Here, we study the response of urban trees to...

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Autores principales:	Jiyou Zhu, Yujuan Cao, Weijun He, Qing Xu, Chengyang Xu, Xinna Zhang
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Leaf functional traits Adaptive strategies Urban tree pits Covering materials Botany QK1-989
Acceso en línea:	https://doaj.org/article/6f6df7d16a0f4a2f8ab964c68827c7c9
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spelling	oai:doaj.org-article:6f6df7d16a0f4a2f8ab964c68827c7c92021-11-28T12:07:16ZLeaf functional traits differentiation in relation to covering materials of urban tree pits10.1186/s12870-021-03316-81471-2229https://doaj.org/article/6f6df7d16a0f4a2f8ab964c68827c7c92021-11-01T00:00:00Zhttps://doi.org/10.1186/s12870-021-03316-8https://doaj.org/toc/1471-2229Abstract Background Understanding the ecological strategies of urban trees to the urban environment is crucial to the selection and management of urban trees. However, it is still unclear whether urban tree pit cover will affect plant functional traits. Here, we study the response of urban trees to different tree pit covers, analyzed the effects of different cover types on soil properties and their trade-off strategies based on leaf functional traits. Results We found that there were obvious differences in the physical properties of the soil in different tree pit covers. Under the different tree pit cover types, soil bulk density and soil porosity reached the maximum under cement cover and turf cover, respectively. We found that tree pit cover significantly affected the leaf properties of urban trees. Leaf thickness, chlorophyll content index and stomatal density were mainly affected by soil bulk density and non-capillary porosity in a positive direction, and were affected by soil total porosity and capillary porosity in a negative direction. Leaf dry matter content and stomata area were mainly negatively affected by soil bulk density and non-capillary porosity, and positively affected by soil total porosity and capillary porosity. Covering materials of tree pits promoted the functional adjustment of plants and form the best combination of functions. Conclusion Under the influence of tree pit cover, plant have low specific leaf area, stomata density, high leaf thickness, chlorophyll content index, leaf dry matter content, leaf tissue density and stomata area, which belong to “quick investment-return” type in the leaf economics spectrum.Jiyou ZhuYujuan CaoWeijun HeQing XuChengyang XuXinna ZhangBMCarticleLeaf functional traitsAdaptive strategiesUrban tree pitsCovering materialsBotanyQK1-989ENBMC Plant Biology, Vol 21, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Leaf functional traits Adaptive strategies Urban tree pits Covering materials Botany QK1-989
spellingShingle	Leaf functional traits Adaptive strategies Urban tree pits Covering materials Botany QK1-989 Jiyou Zhu Yujuan Cao Weijun He Qing Xu Chengyang Xu Xinna Zhang Leaf functional traits differentiation in relation to covering materials of urban tree pits
description	Abstract Background Understanding the ecological strategies of urban trees to the urban environment is crucial to the selection and management of urban trees. However, it is still unclear whether urban tree pit cover will affect plant functional traits. Here, we study the response of urban trees to different tree pit covers, analyzed the effects of different cover types on soil properties and their trade-off strategies based on leaf functional traits. Results We found that there were obvious differences in the physical properties of the soil in different tree pit covers. Under the different tree pit cover types, soil bulk density and soil porosity reached the maximum under cement cover and turf cover, respectively. We found that tree pit cover significantly affected the leaf properties of urban trees. Leaf thickness, chlorophyll content index and stomatal density were mainly affected by soil bulk density and non-capillary porosity in a positive direction, and were affected by soil total porosity and capillary porosity in a negative direction. Leaf dry matter content and stomata area were mainly negatively affected by soil bulk density and non-capillary porosity, and positively affected by soil total porosity and capillary porosity. Covering materials of tree pits promoted the functional adjustment of plants and form the best combination of functions. Conclusion Under the influence of tree pit cover, plant have low specific leaf area, stomata density, high leaf thickness, chlorophyll content index, leaf dry matter content, leaf tissue density and stomata area, which belong to “quick investment-return” type in the leaf economics spectrum.
format	article
author	Jiyou Zhu Yujuan Cao Weijun He Qing Xu Chengyang Xu Xinna Zhang
author_facet	Jiyou Zhu Yujuan Cao Weijun He Qing Xu Chengyang Xu Xinna Zhang
author_sort	Jiyou Zhu
title	Leaf functional traits differentiation in relation to covering materials of urban tree pits
title_short	Leaf functional traits differentiation in relation to covering materials of urban tree pits
title_full	Leaf functional traits differentiation in relation to covering materials of urban tree pits
title_fullStr	Leaf functional traits differentiation in relation to covering materials of urban tree pits
title_full_unstemmed	Leaf functional traits differentiation in relation to covering materials of urban tree pits
title_sort	leaf functional traits differentiation in relation to covering materials of urban tree pits
publisher	BMC
publishDate	2021
url	https://doaj.org/article/6f6df7d16a0f4a2f8ab964c68827c7c9
work_keys_str_mv	AT jiyouzhu leaffunctionaltraitsdifferentiationinrelationtocoveringmaterialsofurbantreepits AT yujuancao leaffunctionaltraitsdifferentiationinrelationtocoveringmaterialsofurbantreepits AT weijunhe leaffunctionaltraitsdifferentiationinrelationtocoveringmaterialsofurbantreepits AT qingxu leaffunctionaltraitsdifferentiationinrelationtocoveringmaterialsofurbantreepits AT chengyangxu leaffunctionaltraitsdifferentiationinrelationtocoveringmaterialsofurbantreepits AT xinnazhang leaffunctionaltraitsdifferentiationinrelationtocoveringmaterialsofurbantreepits
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Leaf functional traits differentiation in relation to covering materials of urban tree pits

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