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Journal Articles Global Ecology and Biogeography Year : 2024

Global patterns and environmental drivers of forest functional composition

Elise Bouchard (1) , Eric B Searle (1) , Pierre Drapeau (1) , Jingjing Liang , Javier G P Gamarra , Meinrad Abegg , Giorgio Alberti , Angelica Almeyda Zambrano , Esteban Alvarez‐davila , Luciana F Alves , Valerio Avitabile , Gerardo Aymard , Jean‐françois Bastin , Philippe Birnbaum (2, 3) , Frans Bongers , Olivier Bouriaud , Pedro Brancalion , Eben Broadbent , Filippo Bussotti , Roberto Cazzolla Gatti , Goran Češljar , Chelsea Chisholm , Emil Cienciala , Connie J Clark , José Javier Corral‐rivas , Thomas W Crowther , Selvadurai Dayanandan , Mathieu Decuyper , André L de Gasper , Sergio De‐miguel , Géraldine Derroire , Ben Devries , Ilija Djordjević , Tran van Do , Jiri Dolezal , Tom M Fayle , Jonas Fridman , Lorenzo Frizzera , Damiano Gianelle , Andreas Hemp , Bruno Hérault , Martin Herold , Nobuo Imai , Andrzej M Jagodziński , Bogdan Jaroszewicz , Tommaso Jucker , Sebastian Kepfer‐rojas , Gunnar Keppel (2) , Mohammed Latif Khan , Hyun Seok Kim , Henn Korjus , Florian Kraxner , Diana Laarmann , Simon Lewis , Huicui Lu , Brian S Maitner , Eric Marcon (2) , Andrew R Marshall , Sharif A Mukul , Gert‐jan Nabuurs , María Guadalupe Nava‐miranda , Elena I Parfenova , Minjee Park , Pablo L Peri , Sebastian Pfautsch , Oliver L Phillips , Maria Teresa F Piedade , Daniel Piotto , John R Poulsen , Axel Dalberg Poulsen , Hans Pretzsch , Peter B Reich , Mirco Rodeghiero , Samir Rolim , Francesco Rovero , Purabi Saikia , Christian Salas‐eljatib , Peter Schall , Dmitry Schepaschenko , Jochen Schöngart , Vladimír Šebeň , Plinio Sist , Ferry Slik , Alexandre F Souza , Krzysztof Stereńczak , Miroslav Svoboda , Nadezhda M Tchebakova , Hans ter Steege , Elena V Tikhonova , Vladimir A Usoltsev , Fernando Valladares , Helder Viana , Alexander C Vibrans , Hua‐feng Wang , Bertil Westerlund , Susan K Wiser , Florian Wittmann , Verginia Wortel , Tomasz Zawiła‐niedźwiecki , Mo Zhou , Zhi‐xin Zhu , Irié C Zo‐bi , Alain Paquette
Jingjing Liang
Javier G P Gamarra
Meinrad Abegg
Giorgio Alberti
Angelica Almeyda Zambrano
  • Function : Author
Esteban Alvarez‐davila
Luciana F Alves
Valerio Avitabile
Gerardo Aymard
Jean‐françois Bastin
Frans Bongers
Olivier Bouriaud
Pedro Brancalion
Eben Broadbent
  • Function : Author
Filippo Bussotti
Roberto Cazzolla Gatti
Goran Češljar
Chelsea Chisholm
Emil Cienciala
Connie J Clark
  • Function : Author
José Javier Corral‐rivas
Thomas W Crowther
Selvadurai Dayanandan
  • Function : Author
Mathieu Decuyper
André L de Gasper
Sergio De‐miguel
Géraldine Derroire
Ben Devries
  • Function : Author
Ilija Djordjević
Tran van Do
Jiri Dolezal
Tom M Fayle
Jonas Fridman
Lorenzo Frizzera
Damiano Gianelle
Andreas Hemp
  • Function : Author
Bruno Hérault
Martin Herold
Nobuo Imai
  • Function : Author
Andrzej M Jagodziński
Bogdan Jaroszewicz
Tommaso Jucker
Sebastian Kepfer‐rojas
Mohammed Latif Khan
Hyun Seok Kim
Henn Korjus
Florian Kraxner
Diana Laarmann
  • Function : Author
Simon Lewis
Huicui Lu
Brian S Maitner
Andrew R Marshall
Sharif A Mukul
Gert‐jan Nabuurs
María Guadalupe Nava‐miranda
Elena I Parfenova
Minjee Park
Pablo L Peri
Sebastian Pfautsch
Oliver L Phillips
Maria Teresa F Piedade
Daniel Piotto
John R Poulsen
Axel Dalberg Poulsen
  • Function : Author
Hans Pretzsch
Peter B Reich
Mirco Rodeghiero
Samir Rolim
Francesco Rovero
  • Function : Author
Purabi Saikia
Christian Salas‐eljatib
Peter Schall
Dmitry Schepaschenko
Jochen Schöngart
  • Function : Author
Vladimír Šebeň
Plinio Sist
Ferry Slik
Alexandre F Souza
Krzysztof Stereńczak
Miroslav Svoboda
Nadezhda M Tchebakova
Hans ter Steege
Elena V Tikhonova
  • Function : Author
Vladimir A Usoltsev
  • Function : Author
Fernando Valladares
  • Function : Author
Helder Viana
Alexander C Vibrans
Hua‐feng Wang
  • Function : Author
Bertil Westerlund
Susan K Wiser
Florian Wittmann
Verginia Wortel
Tomasz Zawiła‐niedźwiecki
  • Function : Author
Mo Zhou
  • Function : Author
Zhi‐xin Zhu
  • Function : Author
Irié C Zo‐bi
Alain Paquette

Abstract

Aim: To determine the relationships between the functional trait composition of forest communities and environmental gradients across scales and biomes and the role of species relative abundances in these relationships. Location: Global. Time: period Recent. Major taxa studied Trees. Methods: We integrated species abundance records from worldwide forest inventories and associated functional traits (wood density, specific leaf area and seed mass) to obtain a data set of 99,953 to 149,285 plots (depending on the trait) spanning all forested continents. We computed community-weighted and unweighted means of trait values for each plot and related them to three broad environmental gradients and their interactions (energy availability, precipitation and soil properties) at two scales (global and biomes). Results: Our models explained up to 60% of the variance in trait distribution. At global scale, the energy gradient had the strongest influence on traits. However, within-biome models revealed different relationships among biomes. Notably, the functional composition of tropical forests was more influenced by precipitation and soil properties than energy availability, whereas temperate forests showed the opposite pattern. Depending on the trait studied, response to gradients was more variable and proportionally weaker in boreal forests. Community unweighted means were better predicted than weighted means for almost all models. Main conclusions: Worldwide, trees require a large amount of energy (following latitude) to produce dense wood and seeds, while leaves with large surface to weight ratios are concentrated in temperate forests. However, patterns of functional composition within-biome differ from global patterns due to biome specificities such as the presence of conifers or unique combinations of climatic and soil properties. We recommend assessing the sensitivity of tree functional traits to environmental changes in their geographic context. Furthermore, at a given site, the distribution of tree functional traits appears to be driven more by species presence than species abundance.
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Dates and versions

hal-04593987 , version 1 (30-05-2024)

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Elise Bouchard, Eric B Searle, Pierre Drapeau, Jingjing Liang, Javier G P Gamarra, et al.. Global patterns and environmental drivers of forest functional composition. Global Ecology and Biogeography, 2024, 33, pp.303 - 324. ⟨10.1111/geb.13790⟩. ⟨hal-04593987⟩
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