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

Cusack, Daniela Francis (author)
Department of Ecosystem Science and Sustainability, Warner College of Natural Resources, Colorado State University, CO, Fort Collins, United States; Smithsonian Tropical Research Institute, Balboa, Panama
Addo-Danso, Shalom D. (author)
CSIR-Forestry Research Institute of Ghana, KNUST, Kumasi, Ghana
Agee, Elizabeth A. (author)
Environmental Sciences Division, Climate Change Sciences Institute, Oak Ridge National Laboratory, TN, Oak Ridge, United States
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Andersen, Kelly M. (author)
Asian School of the Environment, Nanyang Technological University, Singapore, Singapore
Arnaud, Marie (author)
IFREMER, Laboratoire Environnement et Ressources des Pertuis Charentais (LER-PC), La Tremblade, France; School of Geography, Earth, and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
Batterman, Sarah A. (author)
Smithsonian Tropical Research Institute, Balboa, Panama; Cary Institute of Ecosystem Studies, NY, Millbrook, United States; School of Geography, University of Leeds, Leeds, United Kingdom
Brearley, Francis Q. (author)
Department of Natural Sciences, Manchester Metropolitan University, Manchester, United Kingdom
Ciochina, Mark I. (author)
Department of Geography, UCLA, CA, Los Angeles, United States
Cordeiro, Amanda L. (author)
Department of Ecosystem Science and Sustainability, Warner College of Natural Resources, Colorado State University, CO, Fort Collins, United States
Dallstream, Caroline (author)
Department of Biology, Bieler School of Environment, McGill University, QC, Montreal, Canada
Diaz-Toribio, Milton H. (author)
Jardín Botánico Francisco Javier Clavijero, Instituto de Ecología, Xalapa, Mexico
Dietterich, Lee H. (author)
Department of Ecosystem Science and Sustainability, Warner College of Natural Resources, Colorado State University, CO, Fort Collins, United States
Fisher, Joshua B. (author)
Schmid College of Science and Technology, Chapman University, CA, Orange, United States; Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles, CA, Los Angeles, United States
Fleischer, Katrin (author)
Department Biogeochemical Signals, Max-Planck-Institute for Biogeochemistry, Jena, Germany
Fortunel, Claire (author)
AMAP (botAnique et Modélisation de l’Architecture des Plantes et des Végétations), Université de Montpellier, CIRAD, CNRS, INRAE, IRD, Montpellier, France
Fuchslueger, Lucia (author)
Centre of Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
Guerrero-Ramírez, Nathaly R. (author)
Biodiversity, Macroecology, and Biogeography, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, Göttingen, Germany
Kotowska, Martyna M. (author)
Plant Ecology and Ecosystems Research, Albrecht von Haller Institute for Plant Sciences, University of Göttingen, Göttingen, Germany
Lugli, Laynara Figueiredo (author)
Coordination of Environmental Dynamics, National Institute of Amazonian Research, Manaus, Brazil
Marín, César (author)
Center of Applied Ecology and Sustainability, Pontificia Universidad Católica de Chile, Santiago, Chile; Institute of Botany, The Czech Academy of Sciences, Prùhonice, Czech Republic
McCulloch, Lindsay A. (author)
Department of Ecology and Evolutionary Biology, Brown University, RI, Providence, United States
Maeght, Jean-Luc (author)
AMAP (botAnique et Modélisation de l’Architecture des Plantes et des Végétations), Université de Montpellier, CIRAD, CNRS, INRAE, IRD, Montpellier, France
Metcalfe, Daniel B. (author)
Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
Norby, Richard J. (author)
Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN, Knoxville, United States
Oliveira, Rafael S. (author)
Department of Plant Biology, Institute of Biology, University of Campinas – UNICAMP, Campinas, Brazil
Powers, Jennifer S. (author)
Department of Plant and Microbial Biology, University of Minnesota, MN, St. Paul, United States; Department of Ecology, Evolution, and Behavior, University of Minnesota, MN, St. Paul, United States
Reichert, Tatiana (author)
School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
Smith, Stuart W. (author)
Asian School of the Environment, Nanyang Technological University, Singapore, Singapore
Smith-Martin, Chris M. (author)
Department of Ecology, Evolution and Environmental Biology, Columbia University, NY, New York, United States
Soper, Fiona M. (author)
Department of Biology, Bieler School of Environment, McGill University, QC, Montreal, Canada
Toro, Laura (author)
Department of Plant and Microbial Biology, University of Minnesota, MN, St. Paul, United States; Department of Ecology, Evolution, and Behavior, University of Minnesota, MN, St. Paul, United States
Umaña, Maria N. (author)
Department of Ecology and Evolutionary Biology, University of Michigan, MI, Ann Arbor, United States
Valverde-Barrantes, Oscar (author)
Department of Biological Sciences, Institute of Environment, International Center of Tropical Biodiversity, Florida International University, FL, Miami, United States
Weemstra, Monique (author)
Department of Ecology and Evolutionary Biology, University of Michigan, MI, Ann Arbor, United States
Werden, Leland K. (author)
Lyon Arboretum, University of Hawaii at Mânoa, HI, Honolulu, United States
Wong, Michelle (author)
Cary Institute of Ecosystem Studies, NY, Millbrook, United States
Wright, Cynthia L. (author)
Environmental Sciences Division, Climate Change Sciences Institute, Oak Ridge National Laboratory, TN, Oak Ridge, United States
Wright, Stuart Joseph (author)
Smithsonian Tropical Research Institute, Balboa, Panama
Yaffar, Daniela (author)
Environmental Sciences Division, Climate Change Sciences Institute, Oak Ridge National Laboratory, TN, Oak Ridge, United States; Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN, Knoxville, United States
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 (creator_code:org_t)
2021-12-02
2021
English.
In: Frontiers in Forests and Global Change. - : Frontiers Media S.A.. - 2624-893X. ; 4
Related links:
https://doi.org/10.3...
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https://umu.diva-por... (primary) (Raw object)
https://www.frontier...
https://urn.kb.se/re...
https://doi.org/10.3...
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  • Research review (peer-reviewed)
Abstract Subject headings
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  • 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.

Subject headings

NATURVETENSKAP  -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Ecology (hsv//eng)

Keyword

base cations
drought
fertility
phosphorus
resource limitation
tropical forest
uptake
vegetation models

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