Tradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances

Vegetation processes are fundamentally limited by nutrient and water availability, the uptake of which is mediated by plant roots in terrestrial ecosystems. While tropical forests play a central role in global water, carbon, and nutrient cycling, we know very little about tradeoffs and synergies in...

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Autores principales:	Daniela Francis Cusack, Shalom D. Addo-Danso, Elizabeth A. Agee, Kelly M. Andersen, Marie Arnaud, Sarah A. Batterman, Francis Q. Brearley, Mark I. Ciochina, Amanda L. Cordeiro, Caroline Dallstream, Milton H. Diaz-Toribio, Lee H. Dietterich, Joshua B. Fisher, Katrin Fleischer, Claire Fortunel, Lucia Fuchslueger, Nathaly R. Guerrero-Ramírez, Martyna M. Kotowska, Laynara Figueiredo Lugli, César Marín, Lindsay A. McCulloch, Jean-Luc Maeght, Dan Metcalfe, Richard J. Norby, Rafael S. Oliveira, Jennifer S. Powers, Tatiana Reichert, Stuart W. Smith, Chris M. Smith-Martin, Fiona M. Soper, Laura Toro, Maria N. Umaña, Oscar Valverde-Barrantes, Monique Weemstra, Leland K. Werden, Michelle Wong, Cynthia L. Wright, Stuart Joseph Wright, Daniela Yaffar
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	fertility drought phosphorus base cations uptake resource limitation Forestry SD1-669.5 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/365b0a907ce54486879a9bbbc8dce0a6
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spelling	oai:doaj.org-article:365b0a907ce54486879a9bbbc8dce0a62021-12-02T11:48:55ZTradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances2624-893X10.3389/ffgc.2021.704469https://doaj.org/article/365b0a907ce54486879a9bbbc8dce0a62021-12-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/ffgc.2021.704469/fullhttps://doaj.org/toc/2624-893XVegetation processes are fundamentally limited by nutrient and water availability, the uptake of which is mediated by plant roots in terrestrial ecosystems. While tropical forests play a central role in global water, carbon, and nutrient cycling, we know very little about tradeoffs and synergies in root traits that respond to resource scarcity. Tropical trees face a unique set of resource limitations, with rock-derived nutrients and moisture seasonality governing many ecosystem functions, and nutrient versus water availability often separated spatially and temporally. Root traits that characterize biomass, depth distributions, production and phenology, morphology, physiology, chemistry, and symbiotic relationships can be predictive of plants’ capacities to access and acquire nutrients and water, with links to aboveground processes like transpiration, wood productivity, and leaf phenology. In this review, we identify an emerging trend in the literature that tropical fine root biomass and production in surface soils are greatest in infertile or sufficiently moist soils. We also identify interesting paradoxes in tropical forest root responses to changing resources that merit further exploration. For example, specific root length, which typically increases under resource scarcity to expand the volume of soil explored, instead can increase with greater base cation availability, both across natural tropical forest gradients and in fertilization experiments. Also, nutrient additions, rather than reducing mycorrhizal colonization of fine roots as might be expected, increased colonization rates under scenarios of water scarcity in some forests. Efforts to include fine root traits and functions in vegetation models have grown more sophisticated over time, yet there is a disconnect between the emphasis in models characterizing nutrient and water uptake rates and carbon costs versus the emphasis in field experiments on measuring root biomass, production, and morphology in response to changes in resource availability. Closer integration of field and modeling efforts could connect mechanistic investigation of fine-root dynamics to ecosystem-scale understanding of nutrient and water cycling, allowing us to better predict tropical forest-climate feedbacks.Daniela Francis CusackDaniela Francis CusackShalom D. Addo-DansoElizabeth A. AgeeKelly M. AndersenMarie ArnaudMarie ArnaudSarah A. BattermanSarah A. BattermanSarah A. BattermanFrancis Q. BrearleyMark I. CiochinaAmanda L. CordeiroCaroline DallstreamMilton H. Diaz-ToribioLee H. DietterichJoshua B. FisherJoshua B. FisherKatrin FleischerClaire FortunelLucia FuchsluegerNathaly R. Guerrero-RamírezMartyna M. KotowskaLaynara Figueiredo LugliCésar MarínCésar MarínLindsay A. McCullochJean-Luc MaeghtDan MetcalfeRichard J. NorbyRafael S. OliveiraJennifer S. PowersJennifer S. PowersTatiana ReichertStuart W. SmithChris M. Smith-MartinFiona M. SoperLaura ToroLaura ToroMaria N. UmañaOscar Valverde-BarrantesMonique WeemstraLeland K. WerdenMichelle WongCynthia L. WrightStuart Joseph WrightDaniela YaffarDaniela YaffarFrontiers Media S.A.articlefertilitydroughtphosphorusbase cationsuptakeresource limitationForestrySD1-669.5Environmental sciencesGE1-350ENFrontiers in Forests and Global Change, Vol 4 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	fertility drought phosphorus base cations uptake resource limitation Forestry SD1-669.5 Environmental sciences GE1-350
spellingShingle	fertility drought phosphorus base cations uptake resource limitation Forestry SD1-669.5 Environmental sciences GE1-350 Daniela Francis Cusack Daniela Francis Cusack Shalom D. Addo-Danso Elizabeth A. Agee Kelly M. Andersen Marie Arnaud Marie Arnaud Sarah A. Batterman Sarah A. Batterman Sarah A. Batterman Francis Q. Brearley Mark I. Ciochina Amanda L. Cordeiro Caroline Dallstream Milton H. Diaz-Toribio Lee H. Dietterich Joshua B. Fisher Joshua B. Fisher Katrin Fleischer Claire Fortunel Lucia Fuchslueger Nathaly R. Guerrero-Ramírez Martyna M. Kotowska Laynara Figueiredo Lugli César Marín César Marín Lindsay A. McCulloch Jean-Luc Maeght Dan Metcalfe Richard J. Norby Rafael S. Oliveira Jennifer S. Powers Jennifer S. Powers Tatiana Reichert Stuart W. Smith Chris M. Smith-Martin Fiona M. Soper Laura Toro Laura Toro Maria N. Umaña Oscar Valverde-Barrantes Monique Weemstra Leland K. Werden Michelle Wong Cynthia L. Wright Stuart Joseph Wright Daniela Yaffar Daniela Yaffar Tradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances
description	Vegetation processes are fundamentally limited by nutrient and water availability, the uptake of which is mediated by plant roots in terrestrial ecosystems. While tropical forests play a central role in global water, carbon, and nutrient cycling, we know very little about tradeoffs and synergies in root traits that respond to resource scarcity. Tropical trees face a unique set of resource limitations, with rock-derived nutrients and moisture seasonality governing many ecosystem functions, and nutrient versus water availability often separated spatially and temporally. Root traits that characterize biomass, depth distributions, production and phenology, morphology, physiology, chemistry, and symbiotic relationships can be predictive of plants’ capacities to access and acquire nutrients and water, with links to aboveground processes like transpiration, wood productivity, and leaf phenology. In this review, we identify an emerging trend in the literature that tropical fine root biomass and production in surface soils are greatest in infertile or sufficiently moist soils. We also identify interesting paradoxes in tropical forest root responses to changing resources that merit further exploration. For example, specific root length, which typically increases under resource scarcity to expand the volume of soil explored, instead can increase with greater base cation availability, both across natural tropical forest gradients and in fertilization experiments. Also, nutrient additions, rather than reducing mycorrhizal colonization of fine roots as might be expected, increased colonization rates under scenarios of water scarcity in some forests. Efforts to include fine root traits and functions in vegetation models have grown more sophisticated over time, yet there is a disconnect between the emphasis in models characterizing nutrient and water uptake rates and carbon costs versus the emphasis in field experiments on measuring root biomass, production, and morphology in response to changes in resource availability. Closer integration of field and modeling efforts could connect mechanistic investigation of fine-root dynamics to ecosystem-scale understanding of nutrient and water cycling, allowing us to better predict tropical forest-climate feedbacks.
format	article
author	Daniela Francis Cusack Daniela Francis Cusack Shalom D. Addo-Danso Elizabeth A. Agee Kelly M. Andersen Marie Arnaud Marie Arnaud Sarah A. Batterman Sarah A. Batterman Sarah A. Batterman Francis Q. Brearley Mark I. Ciochina Amanda L. Cordeiro Caroline Dallstream Milton H. Diaz-Toribio Lee H. Dietterich Joshua B. Fisher Joshua B. Fisher Katrin Fleischer Claire Fortunel Lucia Fuchslueger Nathaly R. Guerrero-Ramírez Martyna M. Kotowska Laynara Figueiredo Lugli César Marín César Marín Lindsay A. McCulloch Jean-Luc Maeght Dan Metcalfe Richard J. Norby Rafael S. Oliveira Jennifer S. Powers Jennifer S. Powers Tatiana Reichert Stuart W. Smith Chris M. Smith-Martin Fiona M. Soper Laura Toro Laura Toro Maria N. Umaña Oscar Valverde-Barrantes Monique Weemstra Leland K. Werden Michelle Wong Cynthia L. Wright Stuart Joseph Wright Daniela Yaffar Daniela Yaffar
author_facet	Daniela Francis Cusack Daniela Francis Cusack Shalom D. Addo-Danso Elizabeth A. Agee Kelly M. Andersen Marie Arnaud Marie Arnaud Sarah A. Batterman Sarah A. Batterman Sarah A. Batterman Francis Q. Brearley Mark I. Ciochina Amanda L. Cordeiro Caroline Dallstream Milton H. Diaz-Toribio Lee H. Dietterich Joshua B. Fisher Joshua B. Fisher Katrin Fleischer Claire Fortunel Lucia Fuchslueger Nathaly R. Guerrero-Ramírez Martyna M. Kotowska Laynara Figueiredo Lugli César Marín César Marín Lindsay A. McCulloch Jean-Luc Maeght Dan Metcalfe Richard J. Norby Rafael S. Oliveira Jennifer S. Powers Jennifer S. Powers Tatiana Reichert Stuart W. Smith Chris M. Smith-Martin Fiona M. Soper Laura Toro Laura Toro Maria N. Umaña Oscar Valverde-Barrantes Monique Weemstra Leland K. Werden Michelle Wong Cynthia L. Wright Stuart Joseph Wright Daniela Yaffar Daniela Yaffar
author_sort	Daniela Francis Cusack
title	Tradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances
title_short	Tradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances
title_full	Tradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances
title_fullStr	Tradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances
title_full_unstemmed	Tradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances
title_sort	tradeoffs and synergies in tropical forest root traits and dynamics for nutrient and water acquisition: field and modeling advances
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/365b0a907ce54486879a9bbbc8dce0a6
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Tradeoffs and Synergies in Tropical Forest Root Traits and Dynamics for Nutrient and Water Acquisition: Field and Modeling Advances

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