The Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation

Extensive research efforts are devoted to understand fine root trait variation and to confirm the existence of a belowground root economics spectrum (RES) from acquisitive to conservative root strategies that is analogous to the leaf economics spectrum (LES). The economics spectrum implies a trade-o...

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Autores principales:	Enrique G. de la Riva, José Ignacio Querejeta, Rafael Villar, Ignacio M. Pérez-Ramos, Teodoro Marañón, Javier Galán Díaz, Sergio de Tomás Marín, Iván Prieto
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	ecophysiology fine root strategies non-mass normalized traits root anatomy root economic spectrum specific root area Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/f91727abda43413baae270e50c238467
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spelling	oai:doaj.org-article:f91727abda43413baae270e50c2384672021-11-30T12:01:31ZThe Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation1664-462X10.3389/fpls.2021.773118https://doaj.org/article/f91727abda43413baae270e50c2384672021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpls.2021.773118/fullhttps://doaj.org/toc/1664-462XExtensive research efforts are devoted to understand fine root trait variation and to confirm the existence of a belowground root economics spectrum (RES) from acquisitive to conservative root strategies that is analogous to the leaf economics spectrum (LES). The economics spectrum implies a trade-off between maximizing resource acquisition and productivity or maximizing resource conservation and longevity; however, this theoretical framework still remains controversial for roots. We compiled a database of 320 Mediterranean woody and herbaceous species to critically assess if the classic economics spectrum theory can be broadly extended to roots. Fine roots displayed a wide diversity of forms and properties in Mediterranean vegetation, resulting in a multidimensional trait space. The main trend of variation in this multidimensional root space is analogous to the main axis of LES, while the second trend of variation is partially determined by an anatomical trade-off between tissue density and diameter. Specific root area (SRA) is the main trait explaining species distribution along the RES, regardless of the selected traits. We advocate for the need to unify and standardize the criteria and approaches used within the economics framework between leaves and roots, for the sake of theoretical consistency.Enrique G. de la RivaJosé Ignacio QuerejetaRafael VillarIgnacio M. Pérez-RamosTeodoro MarañónJavier Galán DíazSergio de Tomás MarínIván PrietoIván PrietoFrontiers Media S.A.articleecophysiologyfine root strategiesnon-mass normalized traitsroot anatomyroot economic spectrumspecific root areaPlant cultureSB1-1110ENFrontiers in Plant Science, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ecophysiology fine root strategies non-mass normalized traits root anatomy root economic spectrum specific root area Plant culture SB1-1110
spellingShingle	ecophysiology fine root strategies non-mass normalized traits root anatomy root economic spectrum specific root area Plant culture SB1-1110 Enrique G. de la Riva José Ignacio Querejeta Rafael Villar Ignacio M. Pérez-Ramos Teodoro Marañón Javier Galán Díaz Sergio de Tomás Marín Iván Prieto Iván Prieto The Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation
description	Extensive research efforts are devoted to understand fine root trait variation and to confirm the existence of a belowground root economics spectrum (RES) from acquisitive to conservative root strategies that is analogous to the leaf economics spectrum (LES). The economics spectrum implies a trade-off between maximizing resource acquisition and productivity or maximizing resource conservation and longevity; however, this theoretical framework still remains controversial for roots. We compiled a database of 320 Mediterranean woody and herbaceous species to critically assess if the classic economics spectrum theory can be broadly extended to roots. Fine roots displayed a wide diversity of forms and properties in Mediterranean vegetation, resulting in a multidimensional trait space. The main trend of variation in this multidimensional root space is analogous to the main axis of LES, while the second trend of variation is partially determined by an anatomical trade-off between tissue density and diameter. Specific root area (SRA) is the main trait explaining species distribution along the RES, regardless of the selected traits. We advocate for the need to unify and standardize the criteria and approaches used within the economics framework between leaves and roots, for the sake of theoretical consistency.
format	article
author	Enrique G. de la Riva José Ignacio Querejeta Rafael Villar Ignacio M. Pérez-Ramos Teodoro Marañón Javier Galán Díaz Sergio de Tomás Marín Iván Prieto Iván Prieto
author_facet	Enrique G. de la Riva José Ignacio Querejeta Rafael Villar Ignacio M. Pérez-Ramos Teodoro Marañón Javier Galán Díaz Sergio de Tomás Marín Iván Prieto Iván Prieto
author_sort	Enrique G. de la Riva
title	The Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation
title_short	The Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation
title_full	The Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation
title_fullStr	The Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation
title_full_unstemmed	The Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation
title_sort	economics spectrum drives root trait strategies in mediterranean vegetation
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/f91727abda43413baae270e50c238467
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The Economics Spectrum Drives Root Trait Strategies in Mediterranean Vegetation

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