Journal
ECOLOGY LETTERS
Volume 24, Issue 8, Pages 1655-1667Publisher
WILEY
DOI: 10.1111/ele.13783
Keywords
alien species; angiosperm; dormancy; exotic species; GloNAF; GloSSBank; persistence; plant invasions; seed mass
Categories
Funding
- Akademie Ved Ceske Republiky [RVO 67985939]
- Austrian Science Fund [I 3757-B29]
- Deutsche Forschungsgemeinschaft [DFG FZT 118, 202548816]
- Grantova Agentura Ceske Republiky [19-20405S, 19-28807X]
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The ability of plants to form persistent seed banks is strongly associated with naturalisation and invasiveness, while traits like seed bank densities play a relatively weaker role. Knowledge of seed persistence can enhance our predictive ability for global naturalisation and invasiveness.
With globalisation facilitating the movement of plants and seeds beyond the native range, preventing potentially harmful introductions requires knowledge of what drives the successful establishment and spread of alien plants. Here, we examined global-scale relationships between naturalisation success (incidence and extent) and invasiveness, soil seed bank properties (type and densities) and key species traits (seed mass, seed dormancy and life form) for 2350 species of angiosperms. Naturalisation and invasiveness were strongly associated with the ability to form persistent (vs. transient) seed banks but relatively weakly with seed bank densities and other traits. Our findings suggest that seed bank persistence is a trait that better captures the ability to become naturalised and invasive compared to seed traits more widely available in trait databases. Knowledge of seed persistence can contribute to our ability to predict global naturalisation and invasiveness and to identify potentially invasive flowering plants before they are introduced.
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