Plant invasion and naturalization are influenced by genome size, ecology and economic use globally

Kun Guo, Petr Pyšek, Mark Kleunen, Nicole L. Kinlock, Magdalena Lučanová, Ilia J. Leitch, Simon Pierce, Wayne Dawson, Franz Essl, Holger Kreft, Bernd Lenzner, Jan Pergl, Patrick Weigelt and Wen-Yong Guo ()
Additional contact information
Kun Guo: East China Normal University
Petr Pyšek: Czech Academy of Sciences, Institute of Botany, Department of Invasion Ecology
Mark Kleunen: University of Konstanz
Nicole L. Kinlock: University of Konstanz
Magdalena Lučanová: Czech Academy of Sciences, Institute of Botany, Department of Evolutionary Plant Biology
Ilia J. Leitch: Royal Botanic Gardens, Kew
Simon Pierce: University of Milan
Wayne Dawson: Durham University
Franz Essl: University of Vienna
Holger Kreft: University of Goettingen
Bernd Lenzner: University of Vienna
Jan Pergl: Czech Academy of Sciences, Institute of Botany, Department of Invasion Ecology
Patrick Weigelt: University of Goettingen
Wen-Yong Guo: East China Normal University

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Human factors and plant characteristics are important drivers of plant invasions, which threaten ecosystem integrity, biodiversity and human well-being. However, while previous studies often examined a limited number of factors or focused on a specific invasion stage (e.g., naturalization) for specific regions, a multi-factor and multi-stage analysis at the global scale is lacking. Here, we employ a multi-level framework to investigate the interplay between plant characteristics (genome size, Grime’s adaptive CSR-strategies and native range size) and economic use and how these factors collectively affect plant naturalization and invasion success worldwide. While our findings derived from structural equation models highlight the substantial contribution of human assistance in both the naturalization and spread of invasive plants, we also uncovered the pivotal role of species’ adaptive strategies among the factors studied, and the significantly varying influence of these factors across invasion stages. We further revealed that the effects of genome size on plant invasions were partially mediated by species adaptive strategies and native range size. Our study provides insights into the complex and dynamic process of plant invasions and identifies its key drivers worldwide.

Date: 2024
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DOI: 10.1038/s41467-024-45667-4

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