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Journal articles

The global loss of floristic uniqueness

Qiang Yang 1 Patrick Weigelt 2 Trevor Fristoe 1 Zhijie Zhang 1 Holger Kreft 2 Anke Stein 1 Hanno Seebens 3 Wayne Dawson 4 Franz Essl 5 Christian König 6 Bernd Lenzner 5 Jan Pergl 7 Robin Pouteau 8 Petr Pyšek 7 Marten Winter 9 Aleksandr Ebel 10 Nicol Fuentes 11 Eduardo Giehl 12 John Kartesz 13 Pavel Krestov Toomas Kukk 14 Misako Nishino 13 Andrey Kupriyanov 15 Jose Luis Villaseñor 16 Jan Wieringa 17 Abida Zeddam Elena Zykova 15 Mark van Kleunen 1, 18
1 University of Konstanz
2 University of Göttingen - Georg-August-Universität Göttingen
3 SBiK-F - Senckenberg Biodiversity and Climate Research Centre
4 Duke University [Durham]
5 University of Vienna [Vienna]
6 University of Potsdam
7 IB / CAS - Institute of Botany of the Czech Academy of Sciences
8 UMR AMAP - Botanique et Modélisation de l'Architecture des Plantes et des Végétations
9 iDiv - German Centre for Integrative Biodiversity Research
10 Tomsk State University [Tomsk]
11 Departamento de Botanica, Facultad de Ciencias Naturales y Oceanograficas
12 UFSC - Universidade Federal de Santa Catarina = Federal University of Santa Catarina [Florianópolis]
13 BONAP - Biota of North America Program
14 EMU - Estonian University of Life Sciences
15 SB RAS - Siberian Branch of the Russian Academy of Sciences
16 UNAM - Universidad Nacional Autónoma de México
17 Naturalis Biodiversity Center [Leiden]
18 Taizhou University
Abstract : Regional species assemblages have been shaped by colonization, speciation and extinction over millions of years. Humans have altered biogeography by introducing species to new ranges. However, an analysis of how strongly naturalized plant species (i.e. alien plants that have established self-sustaining populations) affect the taxonomic and phylogenetic uniqueness of regional floras globally is still missing. Here, we present such an analysis with data from native and naturalized alien floras in 658 regions around the world. We find strong taxonomic and phylogenetic floristic homogenization overall, and that the natural decline in floristic similarity with increasing geographic distance is weakened by naturalized species. Floristic homogenization increases with climatic similarity, which emphasizes the importance of climate matching in plant naturalization. Moreover, floristic homogenization is greater between regions with current or past administrative relationships, indicating that being part of the same country as well as historical colonial ties facilitate floristic exchange, most likely due to more intensive trade and transport between such regions. Our findings show that naturalization of alien plants threatens taxonomic and phylogenetic uniqueness of regional floras globally. Unless more effective biosecurity measures are implemented, it is likely that with ongoing globalization, even the most distant regions will lose their floristic uniqueness.
Keywords : Biodiversity Biogeography Macroecology
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Journal articles
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https://hal.inrae.fr/hal-03521380
Contributor : Yannick Brohard Connect in order to contact the contributor
Submitted on : Tuesday, January 11, 2022 - 3:18:19 PM
Last modification on : Friday, April 1, 2022 - 3:56:58 AM
Long-term archiving on: : Tuesday, April 12, 2022 - 7:35:15 PM

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Qiang Yang, Patrick Weigelt, Trevor Fristoe, Zhijie Zhang, Holger Kreft, et al.. The global loss of floristic uniqueness. Nature Communications, Nature Publishing Group, 2021, 12 (1), pp.7290. ⟨10.1038/s41467-021-27603-y⟩. ⟨hal-03521380⟩

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