articleNew PhytologistJan 16, 2026HYBRID OA

Beyond species means – the intraspecific contribution to global wood density variation

FJFabian Jörg FischerJCJérôme ChaveAZAmy ZanneTJTommaso JuckerAFAlex Fajardo

Centre National de la Recherche Scientifique · Université Toulouse III - Paul Sabatier · +108 more institutions

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Abstract

Summary Wood density is central for estimating vegetation carbon storage and a plant functional trait of great ecological and evolutionary importance. However, the global extent of wood density variation is unclear, especially at the intraspecific level. We assembled the most comprehensive wood density collection to date, including 109 626 records from 16 829 plant species across woody life forms and biomes (GWDD v.2, available here: doi: 10.5281/zenodo.16919509 ). Using the GWDD v.2, we explored the sources of wood density variation within individuals, within species and across environmental gradients. Intraspecific variation accounted for c . 15% of overall wood density variation (SD = 0.068 g cm −3 ).…

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5
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84.96
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100%
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104
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Authors

106
  • FJ
    Fabian Jörg FischerCorresponding

    Centre National de la Recherche Scientifique, Université Toulouse III - Paul Sabatier, Institut National Polytechnique de Toulouse, University of Bristol, Géosciences Environnement Toulouse, Institut de Recherche pour le Développement, Technical University of Munich

  • JC
    Jérôme Chave

    Centre National de la Recherche Scientifique, Université Toulouse III - Paul Sabatier, Institut National Polytechnique de Toulouse, Géosciences Environnement Toulouse, Institut de Recherche pour le Développement

  • AZ
    Amy Zanne

    Cary Institute of Ecosystem Studies

  • TJ
    Tommaso Jucker

    University of Bristol

  • AF
    Alex Fajardo

    University of Talca, Institute of Ecology and Biodiversity, Millennium Nucleus of Ion Channel Associated Diseases

Topics & keywords

Topics
Keywords
  • Intraspecific competition
  • Biome
  • Interspecific competition
  • Density dependence
  • Trait
  • Variation (astronomy)
  • Vegetation (pathology)
  • Herbivore
UN Sustainable Development Goals
  • Life in Land
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