Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits

Daniela Nemetschek; Claire Fortunel; Eric Marcon; Johanna Auer; Vincyane Badouard; Christopher Baraloto; Marion Boisseaux; Damien Bonal; Sabrina Coste; Elia Dardevet; Patrick Heuret; Peter Hietz; Sébastien Levionnois; Isabelle Maréchaux; Clément Stahl; Jason Vleminckx; Wolfgang Wanek; Camille Ziegler; Géraldine Derroire

Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits

Daniela Nemetschek^*, Claire Fortunel, Eric Marcon, Johanna Auer, Vincyane Badouard, Christopher Baraloto, Marion Boisseaux, Damien Bonal, Sabrina Coste, Elia Dardevet, Patrick Heuret, Peter Hietz, Sébastien Levionnois, Isabelle Maréchaux, Clément Stahl, Jason Vleminckx, Wolfgang Wanek, Camille Ziegler, Géraldine Derroire

^*Corresponding author for this work

School of Biological Sciences

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Abstract

Taxonomic diversity effects on forest productivity and response to climate extremes range from positive to negative, suggesting a key role for complex interactions among neighbouring trees.
To elucidate how neutral interactions, hierarchical competition and resource partitioning between neighbours shape tree growth and climate response in a highly diverse Amazonian forest, we combined 30 years of tree censuses with measurements of water and carbon related traits. We modelled individual tree growth response to climate and neighbourhood to disentangle the relative effect of neighbourhood densities, trait hierarchies and dissimilarities.
While neighbourhood densities consistently decreased growth, trait dissimilarity increased it, and both had the potential to influence climate response. Greater water conservatism provided a competitive advantage to focal trees in normal years, but water-spender neighbours reduced this effect in dry years.
By underlining the importance of density and trait-mediated neighbourhood

Original language	English
Journal	Ecology Letters
Publication status	Accepted/In press - 27 Oct 2024

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Nemetschek, D., Fortunel, C., Marcon, E., Auer, J., Badouard, V., Baraloto, C., Boisseaux, M., Bonal, D., Coste, S., Dardevet, E., Heuret, P., Hietz, P., Levionnois, S., Maréchaux, I., Stahl, C., Vleminckx, J., Wanek, W., Ziegler, C., & Derroire, G. (Accepted/In press). Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits. Ecology Letters.

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title = "Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits",

abstract = "Taxonomic diversity effects on forest productivity and response to climate extremes range from positive to negative, suggesting a key role for complex interactions among neighbouring trees.To elucidate how neutral interactions, hierarchical competition and resource partitioning between neighbours shape tree growth and climate response in a highly diverse Amazonian forest, we combined 30 years of tree censuses with measurements of water and carbon related traits. We modelled individual tree growth response to climate and neighbourhood to disentangle the relative effect of neighbourhood densities, trait hierarchies and dissimilarities.While neighbourhood densities consistently decreased growth, trait dissimilarity increased it, and both had the potential to influence climate response. Greater water conservatism provided a competitive advantage to focal trees in normal years, but water-spender neighbours reduced this effect in dry years.By underlining the importance of density and trait-mediated neighbourhood",

author = "Daniela Nemetschek and Claire Fortunel and Eric Marcon and Johanna Auer and Vincyane Badouard and Christopher Baraloto and Marion Boisseaux and Damien Bonal and Sabrina Coste and Elia Dardevet and Patrick Heuret and Peter Hietz and S{\'e}bastien Levionnois and Isabelle Mar{\'e}chaux and Cl{\'e}ment Stahl and Jason Vleminckx and Wolfgang Wanek and Camille Ziegler and G{\'e}raldine Derroire",

year = "2024",

month = oct,

day = "27",

language = "English",

journal = "Ecology Letters",

issn = "1461-023X",

publisher = "Wiley",

}

Nemetschek, D, Fortunel, C, Marcon, E, Auer, J, Badouard, V, Baraloto, C, Boisseaux, M, Bonal, D, Coste, S, Dardevet, E, Heuret, P, Hietz, P, Levionnois, S, Maréchaux, I, Stahl, C, Vleminckx, J, Wanek, W, Ziegler, C & Derroire, G 2024, 'Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits', Ecology Letters.

TY - JOUR

T1 - Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits

AU - Nemetschek, Daniela

AU - Fortunel, Claire

AU - Marcon, Eric

AU - Auer, Johanna

AU - Badouard, Vincyane

AU - Baraloto, Christopher

AU - Boisseaux, Marion

AU - Bonal, Damien

AU - Coste, Sabrina

AU - Dardevet, Elia

AU - Heuret, Patrick

AU - Hietz, Peter

AU - Levionnois, Sébastien

AU - Maréchaux, Isabelle

AU - Stahl, Clément

AU - Vleminckx, Jason

AU - Wanek, Wolfgang

AU - Ziegler, Camille

AU - Derroire, Géraldine

PY - 2024/10/27

Y1 - 2024/10/27

N2 - Taxonomic diversity effects on forest productivity and response to climate extremes range from positive to negative, suggesting a key role for complex interactions among neighbouring trees.To elucidate how neutral interactions, hierarchical competition and resource partitioning between neighbours shape tree growth and climate response in a highly diverse Amazonian forest, we combined 30 years of tree censuses with measurements of water and carbon related traits. We modelled individual tree growth response to climate and neighbourhood to disentangle the relative effect of neighbourhood densities, trait hierarchies and dissimilarities.While neighbourhood densities consistently decreased growth, trait dissimilarity increased it, and both had the potential to influence climate response. Greater water conservatism provided a competitive advantage to focal trees in normal years, but water-spender neighbours reduced this effect in dry years.By underlining the importance of density and trait-mediated neighbourhood

AB - Taxonomic diversity effects on forest productivity and response to climate extremes range from positive to negative, suggesting a key role for complex interactions among neighbouring trees.To elucidate how neutral interactions, hierarchical competition and resource partitioning between neighbours shape tree growth and climate response in a highly diverse Amazonian forest, we combined 30 years of tree censuses with measurements of water and carbon related traits. We modelled individual tree growth response to climate and neighbourhood to disentangle the relative effect of neighbourhood densities, trait hierarchies and dissimilarities.While neighbourhood densities consistently decreased growth, trait dissimilarity increased it, and both had the potential to influence climate response. Greater water conservatism provided a competitive advantage to focal trees in normal years, but water-spender neighbours reduced this effect in dry years.By underlining the importance of density and trait-mediated neighbourhood

M3 - Article (Academic Journal)

SN - 1461-023X

JO - Ecology Letters

JF - Ecology Letters

ER -

Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits

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