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Habitat-specific trends in taxonomic, functional, and phylogenetic diversity in European plant communities over a century
Journal article   Open access   Peer reviewed

Habitat-specific trends in taxonomic, functional, and phylogenetic diversity in European plant communities over a century

S Kambach, U Jandt, AT Rosario Acosta, JM Álvarez-Martínez, I Axmanová, M Bazzichetto, E Bergmeier, M Bernhardt-Römermann, I Biurrun, G Bonari, …
Nature Communications, Vol.17, pp.1-16
17
08/05/2026
DOI: https://doi.org/10.1038/s41467-026-72112-5
Handle:
https://hdl.handle.net/10863/54287

Abstract

Despite widespread concern over global biodiversity loss, the balance between gains and losses within local plant communities remains contentious, largely due to a scarcity of integrative, long-term and large-scale analyses across different habitats and multiple facets of biodiversity. Here, we analyse 57,390 vegetation-plot time series of vascular plants across Europe to quantify the average and habitat-specific trends in taxonomic, functional, phylogenetic, and gamma diversity, alongside with changes in threatened Red List, non-native, and specialist versus generalist species. We find that, over the last 100 years, plant communities gained on average 0.7% in vegetation cover and 0.2% in species number per year, associated with gains in functional and phylogenetic diversity, non-native, Red List, and generalist species. Diversity changes are most pronounced in mire and wetland communities. Differences among habitat types and habitat-change trajectory (stable, successional, disturbed), together with the most recent observation year, explain 2.1%–36.6% of the variation in diversity trends. Habitat-specific gamma diversity showed no general trends and only increased in stable grasslands and successional sparsely vegetated habitats. By integrating habitat types and change trajectories, we reconcile some of the conflicting narratives on local biodiversity change in favour of a more nuanced understanding of the observed variation in local biodiversity change.
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Open Access CC BY V4.0
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