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Article Dans Une Revue Nature Ecology & Evolution Année : 2020

Replacements of small- by large-ranged species scale up to diversity loss in Europe’s temperate forest biome

Ingmar R. Staude
  • Fonction : Auteur
Donald M. Waller
  • Fonction : Auteur
Markus Bernhardt-Römermann
Anne D. Bjorkman
  • Fonction : Auteur
Jörg Brunet
Pieter de Frenne
Radim Hédl
Ute Jandt
František Máliš
Kris Verheyen
Monika Wulf
Henrique M. Pereira
  • Fonction : Auteur
Pieter Vangansbeke
Adrienne Ortmann-Ajkai
Remigiusz Pielech
Imre Berki
Markéta Chudomelová
Thomas Dirnböck
Tomasz Durak
Thilo Heinken
Bogdan Jaroszewicz
Martin Kopecký
Martin Macek
Marek Malicki
Tobias Naaf
Thomas A. Nagel
  • Fonction : Auteur
Petr Petřík
Kamila Reczyńska
Fride Høistad Schei
  • Fonction : Auteur
Wolfgang Schmidt
Tibor Standovár
Krzysztof Świerkosz
Balázs Teleki
Hans van Calster
Ondřej Vild
Lander Baeten

Résumé

Biodiversity time series reveal global losses and accelerated redistributions of species, but no net loss in local species richness. To better understand how these patterns are linked, we quantify how individual species trajectories scale up to diversity changes using data from 68 vegetation resurvey studies of seminatural forests in Europe. Herb-layer species with small geographic ranges are being replaced by more widely distributed species, and our results suggest that this is due less to species abundances than to species nitrogen niches. Nitrogen deposition accelerates the extinctions of small-ranged, nitrogen-efficient plants and colonization by broadly distributed, nitrogen-demanding plants (including non-natives). Despite no net change in species richness at the spatial scale of a study site, the losses of small-ranged species reduce biome-scale (gamma) diversity. These results provide one mechanism to explain the directional replacement of small-ranged species within sites and thus explain patterns of biodiversity change across spatial scales.
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Dates et versions

hal-02998676 , version 1 (10-11-2020)

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Ingmar R. Staude, Donald M. Waller, Markus Bernhardt-Römermann, Anne D. Bjorkman, Jörg Brunet, et al.. Replacements of small- by large-ranged species scale up to diversity loss in Europe’s temperate forest biome. Nature Ecology & Evolution, 2020, 4 (6), pp.802-808. ⟨10.1038/s41559-020-1176-8⟩. ⟨hal-02998676⟩
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