C:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China

The aim of this study was to understand the C:N:P stoichiometry of three rare tree species that grow at different elevations of Mount Fanjing Nature Reserve in Guizhou Province, China. We analyzed the C, N and P stoichiometry of new stems, leaves and soil of two coniferous species, Abies fanjingshan...

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Autores principales:	Yingying Liu, Wenmin Luo, Guiting Mu, Xianliang Wu, Shicheng Su, Zhenming Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Mount Fanjing Rare plant Ecological stoichiometric characteristics Soil–vegetation Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/4514e451d3a3429bb31718e15be0e8af
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spelling	oai:doaj.org-article:4514e451d3a3429bb31718e15be0e8af2021-11-04T04:32:21ZC:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China2351-989410.1016/j.gecco.2021.e01893https://doaj.org/article/4514e451d3a3429bb31718e15be0e8af2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2351989421004431https://doaj.org/toc/2351-9894The aim of this study was to understand the C:N:P stoichiometry of three rare tree species that grow at different elevations of Mount Fanjing Nature Reserve in Guizhou Province, China. We analyzed the C, N and P stoichiometry of new stems, leaves and soil of two coniferous species, Abies fanjingshanensis and Taxus chinensis var. mairei, and of the hardwood tree Davidia involucrata. The total-C, total-N, hydrolyzed-N and available-P contents of the forest soils were higher at higher altitudes, with median values for A. fanjingshanensis forest soil > T. chinensis var. mairei soil > D. involucrata soil. The C:N, C:P and N:P ratios of soil in A. fanjingshanensis stands were the largest, and significantly higher than those of soils in T. chinensis var. mairei and D. involucrata stands. The C content of stems and leaves of the coniferous tree species was higher than that of the hardwood tree species. The N:P ratio of stems and leaves ranged from 0.06 to 0.22. The total-C, total-P and total-N of soil explained 37.5%, 11.0% and 8.0%, respectively, of the variance in C, N and P content and stoichiometry of plant stems and leaves. The total-C content of soil was positively correlated with the C and P contents of plant leaves, the C:N ratio and the C content of plant stems. Except for the total-C content of the soil–vegetation system, in general, the stoichiometric characteristics of N and P of soils and plants in the study area were not significantly correlated. Correlations between C, N, and P nutrients and the stoichiometric characteristics of the soil–vegetation system of the different forest types and environments varied. In the reserve environment, the growth of T. chinensis var. mairei and D. involucrata was restricted by N limitation in the soil. Our findings could provide basic data for the management and protection of rare plants growing on Mount Fanjing.Yingying LiuWenmin LuoGuiting MuXianliang WuShicheng SuZhenming ZhangElsevierarticleMount FanjingRare plantEcological stoichiometric characteristicsSoil–vegetationEcologyQH540-549.5ENGlobal Ecology and Conservation, Vol 32, Iss , Pp e01893- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Mount Fanjing Rare plant Ecological stoichiometric characteristics Soil–vegetation Ecology QH540-549.5
spellingShingle	Mount Fanjing Rare plant Ecological stoichiometric characteristics Soil–vegetation Ecology QH540-549.5 Yingying Liu Wenmin Luo Guiting Mu Xianliang Wu Shicheng Su Zhenming Zhang C:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China
description	The aim of this study was to understand the C:N:P stoichiometry of three rare tree species that grow at different elevations of Mount Fanjing Nature Reserve in Guizhou Province, China. We analyzed the C, N and P stoichiometry of new stems, leaves and soil of two coniferous species, Abies fanjingshanensis and Taxus chinensis var. mairei, and of the hardwood tree Davidia involucrata. The total-C, total-N, hydrolyzed-N and available-P contents of the forest soils were higher at higher altitudes, with median values for A. fanjingshanensis forest soil > T. chinensis var. mairei soil > D. involucrata soil. The C:N, C:P and N:P ratios of soil in A. fanjingshanensis stands were the largest, and significantly higher than those of soils in T. chinensis var. mairei and D. involucrata stands. The C content of stems and leaves of the coniferous tree species was higher than that of the hardwood tree species. The N:P ratio of stems and leaves ranged from 0.06 to 0.22. The total-C, total-P and total-N of soil explained 37.5%, 11.0% and 8.0%, respectively, of the variance in C, N and P content and stoichiometry of plant stems and leaves. The total-C content of soil was positively correlated with the C and P contents of plant leaves, the C:N ratio and the C content of plant stems. Except for the total-C content of the soil–vegetation system, in general, the stoichiometric characteristics of N and P of soils and plants in the study area were not significantly correlated. Correlations between C, N, and P nutrients and the stoichiometric characteristics of the soil–vegetation system of the different forest types and environments varied. In the reserve environment, the growth of T. chinensis var. mairei and D. involucrata was restricted by N limitation in the soil. Our findings could provide basic data for the management and protection of rare plants growing on Mount Fanjing.
format	article
author	Yingying Liu Wenmin Luo Guiting Mu Xianliang Wu Shicheng Su Zhenming Zhang
author_facet	Yingying Liu Wenmin Luo Guiting Mu Xianliang Wu Shicheng Su Zhenming Zhang
author_sort	Yingying Liu
title	C:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China
title_short	C:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China
title_full	C:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China
title_fullStr	C:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China
title_full_unstemmed	C:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China
title_sort	c:n:p stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on mount fanjing in southwest china
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/4514e451d3a3429bb31718e15be0e8af
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C:N:P stoichiometric characteristics of the soil–vegetation system of three rare tree species growing on Mount Fanjing in Southwest China

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