Climate-trait relationships exhibit strong habitat specificity in plant communities across Europe

Stephan Kambach*, Francesco Maria Sabatini, Fabio Attorre, Idoia Biurrun, Gerhard Boenisch, Gianmaria Bonari, Andraž Čarni, Maria Laura Carranza, Alessandro Chiarucci, Milan Chytrý, Jürgen Dengler, Emmanuel Garbolino, Valentin Golub, Behlül Güler, Ute Jandt, Jan Jansen, Anni Jašková, Borja Jiménez-Alfaro, Dirk Nikolaus Karger, Jens KattgeIlona Knollová, Gabriele Midolo, Jesper Erenskjold Moeslund, Remigiusz Pielech, Valerijus Rašomavičius, Solvita Rūsiņa, Jozef Šibík, Zvjezdana Stančić, Angela Stanisci, Jens Christian Svenning, Sergey Yamalov, Niklaus E. Zimmermann, Helge Bruelheide

*Corresponding author for this work

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

18 Citations (Scopus)

Abstract

Ecological theory predicts close relationships between macroclimate and functional traits. Yet, global climatic gradients correlate only weakly with the trait composition of local plant communities, suggesting that important factors have been ignored. Here, we investigate the consistency of climate-trait relationships for plant communities in European habitats. Assuming that local factors are better accounted for in more narrowly defined habitats, we assigned > 300,000 vegetation plots to hierarchically classified habitats and modelled the effects of climate on the community-weighted means of four key functional traits using generalized additive models. We found that the predictive power of climate increased from broadly to narrowly defined habitats for specific leaf area and root length, but not for plant height and seed mass. Although macroclimate generally predicted the distribution of all traits, its effects varied, with habitat-specificity increasing toward more narrowly defined habitats. We conclude that macroclimate is an important determinant of terrestrial plant communities, but future predictions of climatic effects must consider how habitats are defined.

Original languageEnglish
Article number712
JournalNature Communications
Volume14
Issue1
Number of pages11
ISSN2041-1723
DOIs
Publication statusPublished - 9 Feb 2023

Keywords

  • Ecosystem
  • Europe
  • Plants
  • Seeds

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