Testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.

The growth rate hypothesis (GRH) proposes that higher growth rate (the rate of change in biomass per unit biomass, μ) is associated with higher P concentration and lower C:P and N:P ratios. However, the applicability of the GRH to vascular plants is not well-studied and few studies have been done on...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Qiang Yu, Honghui Wu, Nianpeng He, Xiaotao Lü, Zhiping Wang, James J Elser, Jianguo Wu, Xingguo Han
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6ab1def0d2a94d3c9e675c4b537aa07e
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:6ab1def0d2a94d3c9e675c4b537aa07e
record_format	dspace
spelling	oai:doaj.org-article:6ab1def0d2a94d3c9e675c4b537aa07e2021-11-18T07:25:21ZTesting the growth rate hypothesis in vascular plants with above- and below-ground biomass.1932-620310.1371/journal.pone.0032162https://doaj.org/article/6ab1def0d2a94d3c9e675c4b537aa07e2012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22427823/?tool=EBIhttps://doaj.org/toc/1932-6203The growth rate hypothesis (GRH) proposes that higher growth rate (the rate of change in biomass per unit biomass, μ) is associated with higher P concentration and lower C:P and N:P ratios. However, the applicability of the GRH to vascular plants is not well-studied and few studies have been done on belowground biomass. Here we showed that, for aboveground, belowground and total biomass of three study species, μ was positively correlated with N:C under N limitation and positively correlated with P:C under P limitation. However, the N:P ratio was a unimodal function of μ, increasing for small values of μ, reaching a maximum, and then decreasing. The range of variations in μ was positively correlated with variation in C:N:P stoichiometry. Furthermore, μ and C:N:P ranges for aboveground biomass were negatively correlated with those for belowground. Our results confirm the well-known association of growth rate with tissue concentration of the limiting nutrient and provide empirical support for recent theoretical formulations.Qiang YuHonghui WuNianpeng HeXiaotao LüZhiping WangJames J ElserJianguo WuXingguo HanPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 3, p e32162 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Qiang Yu Honghui Wu Nianpeng He Xiaotao Lü Zhiping Wang James J Elser Jianguo Wu Xingguo Han Testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.
description	The growth rate hypothesis (GRH) proposes that higher growth rate (the rate of change in biomass per unit biomass, μ) is associated with higher P concentration and lower C:P and N:P ratios. However, the applicability of the GRH to vascular plants is not well-studied and few studies have been done on belowground biomass. Here we showed that, for aboveground, belowground and total biomass of three study species, μ was positively correlated with N:C under N limitation and positively correlated with P:C under P limitation. However, the N:P ratio was a unimodal function of μ, increasing for small values of μ, reaching a maximum, and then decreasing. The range of variations in μ was positively correlated with variation in C:N:P stoichiometry. Furthermore, μ and C:N:P ranges for aboveground biomass were negatively correlated with those for belowground. Our results confirm the well-known association of growth rate with tissue concentration of the limiting nutrient and provide empirical support for recent theoretical formulations.
format	article
author	Qiang Yu Honghui Wu Nianpeng He Xiaotao Lü Zhiping Wang James J Elser Jianguo Wu Xingguo Han
author_facet	Qiang Yu Honghui Wu Nianpeng He Xiaotao Lü Zhiping Wang James J Elser Jianguo Wu Xingguo Han
author_sort	Qiang Yu
title	Testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.
title_short	Testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.
title_full	Testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.
title_fullStr	Testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.
title_full_unstemmed	Testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.
title_sort	testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/6ab1def0d2a94d3c9e675c4b537aa07e
work_keys_str_mv	AT qiangyu testingthegrowthratehypothesisinvascularplantswithaboveandbelowgroundbiomass AT honghuiwu testingthegrowthratehypothesisinvascularplantswithaboveandbelowgroundbiomass AT nianpenghe testingthegrowthratehypothesisinvascularplantswithaboveandbelowgroundbiomass AT xiaotaolu testingthegrowthratehypothesisinvascularplantswithaboveandbelowgroundbiomass AT zhipingwang testingthegrowthratehypothesisinvascularplantswithaboveandbelowgroundbiomass AT jamesjelser testingthegrowthratehypothesisinvascularplantswithaboveandbelowgroundbiomass AT jianguowu testingthegrowthratehypothesisinvascularplantswithaboveandbelowgroundbiomass AT xingguohan testingthegrowthratehypothesisinvascularplantswithaboveandbelowgroundbiomass
_version_	1718423479203659776

Testing the growth rate hypothesis in vascular plants with above- and below-ground biomass.

Ejemplares similares