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  • Huaraca Huasco, WalterEnvironmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, United Kingdom (författare)

Fine root dynamics across pantropical rainforest ecosystems

  • Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

  • 2021-05-31
  • John Wiley & Sons,2021
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:umu-184473
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184473URI
  • https://doi.org/10.1111/gcb.15677DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Fine roots constitute a significant component of the net primary productivity (NPP) of forest ecosystems but are much less studied than aboveground NPP. Comparisons across sites and regions are also hampered by inconsistent methodologies, especially in tropical areas. Here, we present a novel dataset of fine root biomass, productivity, residence time, and allocation in tropical old-growth rainforest sites worldwide, measured using consistent methods, and examine how these variables are related to consistently determined soil and climatic characteristics. Our pantropical dataset spans intensive monitoring plots in lowland (wet, semi-deciduous, and deciduous) and montane tropical forests in South America, Africa, and Southeast Asia (n = 47). Large spatial variation in fine root dynamics was observed across montane and lowland forest types. In lowland forests, we found a strong positive linear relationship between fine root productivity and sand content, this relationship was even stronger when we considered the fractional allocation of total NPP to fine roots, demonstrating that understanding allocation adds explanatory power to understanding fine root productivity and total NPP. Fine root residence time was a function of multiple factors: soil sand content, soil pH, and maximum water deficit, with longest residence times in acidic, sandy, and water-stressed soils. In tropical montane forests, on the other hand, a different set of relationships prevailed, highlighting the very different nature of montane and lowland forest biomes. Root productivity was a strong positive linear function of mean annual temperature, root residence time was a strong positive function of soil nitrogen content in montane forests, and lastly decreasing soil P content increased allocation of productivity to fine roots. In contrast to the lowlands, environmental conditions were a better predictor for fine root productivity than for fractional allocation of total NPP to fine roots, suggesting that root productivity is a particularly strong driver of NPP allocation in tropical mountain regions.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Riutta, TerhiEnvironmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, United Kingdom (författare)
  • Girardin, Cécile A. J.Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, United Kingdom (författare)
  • Hancco Pacha, FernandoUniversidad Nacional de San Antonio Abad del Cusco, Cusco, Peru (författare)
  • Puma Vilca, Beisit L.Universidad Nacional de San Antonio Abad del Cusco, Cusco, Peru (författare)
  • Moore, SamEnvironmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, United Kingdom (författare)
  • Rifai, Sami W.ARC Centre of Excellence for Climate Extremes, University of New South Wales, NSW, Sydney, Australia (författare)
  • del Aguila-Pasquel, JhonInstituto de Investigaciones de la Amazonía Peruana (IIAP), Iquitos, Peru (författare)
  • Araujo Murakami, AlejandroMuseo de Historia Natural Noel Kempff Mercado Universidad Autónoma Gabriel Rene Moreno, Santa Cruz, Bolivia (författare)
  • Freitag, RenataPrograma de Pós-graduação em Ecologia e Conservação, Universidade do Estado de Mato Grosso, MT, Nova Xavantina, Brazil (författare)
  • Morel, Alexandra C.Department of Geography and Environmental Science, University of Dundee, Dundee, United Kingdom (författare)
  • Demissie, ShelemeEnvironment and Coffee Forest Forum, Addis Ababa, Ethiopia (författare)
  • Doughty, Christopher E.School of Informatics, Computing and Cyber systems, Northern Arizona University, AZ, Flagstaff, United States (författare)
  • Oliveras, ImmaEnvironmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, United Kingdom (författare)
  • Galiano Cabrera, Darcy F.Universidad Nacional de San Antonio Abad del Cusco, Cusco, Peru (författare)
  • Durand Baca, LilianaUniversidad Nacional Federico Villarreal de Lima, Lima, Peru (författare)
  • Farfán Amézquita, FilioUniversidad Nacional de San Antonio Abad del Cusco, Cusco, Peru (författare)
  • Silva Espejo, Javier E.Departamento de Biología, Universidad de La Serena, La Serena, Chile (författare)
  • da Costa, Antonio C.L.Instituto de Geosciências, Universidade Federal do Pará, Belém, Brazil (författare)
  • Oblitas Mendoza, ErickInstituto Nacional de Pesquisas da Amazônia, Manaus, Brazil (författare)
  • Quesada, Carlos AlbertoInstituto Nacional de Pesquisas da Amazônia, Manaus, Brazil (författare)
  • Evouna Ondo, FideleAgence Nationale des Parcs Nationaux, Libreville, Gabon (författare)
  • Edzang Ndong, JosuéAgence Nationale des Parcs Nationaux, Libreville, Gabon (författare)
  • Jeffery, Kathryn J.Faculty of Natural Sciences, University of Stirling, Stirling, United Kingdom (författare)
  • Mihindou, VianetMinistère de la Foret, de la Mer, de l'Environnement, Chargé Du Plan Climat, Libreville, Gabon (författare)
  • White, Lee J. T.Ministère de la Foret, de la Mer, de l'Environnement, Chargé Du Plan Climat, Libreville, Gabon (författare)
  • N'ssi Bengone, NatachaMinistère de la Foret, de la Mer, de l'Environnement, Chargé Du Plan Climat, Libreville, Gabon (författare)
  • Ibrahim, ForziaForestry Research Institute of Ghana, Council for Scientific and Industrial Research, University, Kumasi, Ghana (författare)
  • Addo-Danso, Shalom D.Forestry Research Institute of Ghana, Council for Scientific and Industrial Research, University, Kumasi, Ghana (författare)
  • Duah-Gyamfi, AkwasiForestry Research Institute of Ghana, Council for Scientific and Industrial Research, University, Kumasi, Ghana (författare)
  • Djaney Djagbletey, GloriaForestry Research Institute of Ghana, Council for Scientific and Industrial Research, University, Kumasi, Ghana (författare)
  • Owusu-Afriyie, KennedyForestry Research Institute of Ghana, Council for Scientific and Industrial Research, University, Kumasi, Ghana (författare)
  • Amissah, LucyForestry Research Institute of Ghana, Council for Scientific and Industrial Research, University, Kumasi, Ghana (författare)
  • Mbou, Armel T.Centro Euro-Mediterraneo sui Cambiamenti Climatici, Leece, Italy (författare)
  • Marthews, Toby R.UK Centre for Ecology & Hydrology (UKCEH), Wallingford, United Kingdom (författare)
  • Metcalfe, Daniel B.Umeå universitet,Institutionen för ekologi, miljö och geovetenskap(Swepub:umu)dame0041 (författare)
  • Aragão, Luiz E. O.Divisão de Sensoriamento Remoto-DIDSR, Instituto Nacional de Pesquisas Espaciais, SP, São Jose dos Campos, Brazil (författare)
  • Marimon-Junior, Ben H.Programa de Pós-graduação em Ecologia e Conservação, Universidade do Estado de Mato Grosso, MT, Nova Xavantina, Brazil (författare)
  • Marimon, Beatriz S.Programa de Pós-graduação em Ecologia e Conservação, Universidade do Estado de Mato Grosso, MT, Nova Xavantina, Brazil (författare)
  • Majalap, NoreenSabah Forestry Department, Forest Research Centre, Sabah, Malaysia (författare)
  • Adu-Bredu, StephenForestry Research Institute of Ghana, Council for Scientific and Industrial Research, University, Kumasi, Ghana (författare)
  • Abernethy, Katharine A.Faculty of Natural Sciences, University of Stirling, Stirling, United Kingdom (författare)
  • Silman, MilesDepartment of Biology, Wake Forest University, NC, Winston-Salem, United States (författare)
  • Ewers, Robert M.Department of Life Science, Imperial College London, Ascot, United Kingdom (författare)
  • Meir, PatrickResearch School of Biology, Australian National University, ACT, Canberra, Australia; School of Geosciences, University of Edinburgh, Edinburgh, United Kingdom (författare)
  • Malhi, YadvinderEnvironmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, United Kingdom (författare)
  • Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, United KingdomUniversidad Nacional de San Antonio Abad del Cusco, Cusco, Peru (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Global Change Biology: John Wiley & Sons27:15, s. 3657-36801354-10131365-2486

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